CN208067858U - Numerically-controlled machine tool - Google Patents

Abstract

The utility model discloses a kind of numerically-controlled machine tool, including fuselage, set on fuselage and total tool magazine of several small-sized tool magazines, the Z axis movable plate for installing main shaft, Z axis driving mechanism, the crawl tractor set on Z axis movable plate and for capturing small-sized tool magazine for driving Z axis movable plate to move are installed；Total tool magazine includes the tool magazine holder for being used to support small-sized tool magazine and being connect with small-sized tool magazine magnetic suck, and small-sized tool magazine has several cutters.Some small-sized tool magazine on total tool magazine is dragged to Z axis by crawl tractor and small-sized tool magazine is fixed on Z axis by capturing tractor, need for main shaft tool changing when, the rotating speed of main shaft is reduced within 10,000 rpms, certain cutter on small-sized tool magazine is shifted to main shaft by the corresponding construction on small-sized tool magazine；Due to having much knives tool there is no need to take knife from total tool magazine every time on small-sized tool magazine, the time of Z axis movement is eliminated, the more time has been saved relative to processing rotating speed is accelerated to from zero-turn speed.

Description

Numerically-controlled machine tool

Technical field

The utility model is related to precise machining equipment field more particularly to a kind of numerically-controlled machine tools.

Background technology

Total tool magazine that numerically-controlled machine tool equipment is equipped at present is mostly that unit is uniformly centrally placed with cutter (or handle of a knife), i.e., A cutter can only be replaced every time.Therefore it needs to be required for stopping operating on main shaft when tool changing every time then to choose from total tool magazine One cutter carries out tool changing, and main shaft, which is further accelerated after stopping operating to processing rotating speed, needs longer time.It is raw in industry in this way If needing to use much knives tool in one of manufacturing procedure when production, it is necessary to repeatedly choose cutter from total tool magazine, shadow serious in this way Industrial efficiency is rung.

Utility model content

The purpose of this utility model is to provide a kind of numerically-controlled machine tools, it is intended to solve in the prior art, each tool changing of main shaft It is required for choosing the problem that cutter and tool change time are grown from total tool magazine.

For this purpose, the utility model uses following technical scheme：

Numerically-controlled machine tool, including fuselage, set on the fuselage and total tool magazine of several small-sized tool magazines is installed, for installing master The Z axis movable plate of axis, the Z axis driving mechanism for driving Z axis movable plate movement set on the Z axis movable plate and are used for Capture the crawl tractor of the small-sized tool magazine；Total tool magazine includes the knife for being connect with the small-sized tool magazine magnetic suck Library holder, the small-sized tool magazine have several cutters.

Further, the small-sized tool magazine includes the cutter holder assembly mounting base with several mounting surfaces and the mounting surface It is connected and has the cutter holder assembly of the cutter；The cutter holder assembly mounting base is equipped with for matching with the crawl tractor Close and with the crawl pendant in crawl hole, the cutter holder assembly include knife rest installation part for being connected with the mounting surface and Knife rest installation part rotation connection deposit knife rest, for be clamped cutter and with the cutter holding deposited blade holder turns and connect Part, for drive it is described deposit blade holder turns deposit blade holder turns driving device.

Further, the cutter holder assembly further includes being located at first controls connecting rod for depositing knife rest side, positioned at described Deposit the second controls connecting rod of the knife rest other side；First is equipped between one end of first controls connecting rod and the knife rest installation part Lower rotary shaft is equipped with shaft on first, second control between the other end and the tool holder of first controls connecting rod Between one end of connecting rod processed and the knife rest installation part be equipped with the second lower rotary shaft, the other end of second controls connecting rod with it is described Shaft on second is equipped between tool holder, first lower rotary shaft is staggered with second lower rotary shaft, on described first Shaft is staggered with shaft on described second.

Further, the blade holder turns driving device of depositing includes and first driving cog deposited knife rest and be fixedly connected Wheel, the second transmission gear for engaging with first transmission gear and being rotatablely connected with the knife rest installation part and described second Rack, the control knife gas for driving the rack to move up and down that transmission gear is engaged and is slidably connected with the knife rest installation part Cylinder；The top of the rack is equipped with the jacking block of the underface for the movable end for being located at the control knife cylinder, and the knife rest installation part is set There are the knife rest guide rod being slidably connected with the jacking block, the outer cover of the knife rest guide rod to be equipped with compressed spring, the knife rest guide rod Top be equipped with spacing shim, the knife rest installation part is additionally provided with the stop screw immediately below the jacking block.

Further, the crawl tractor includes the dragging cylinder and institute that fixing end is connected with the Z axis movable plate It states the connected dragging connecting plate of the movable end of dragging cylinder, drag what connecting plate was connected positioned at the both sides of the main shaft and with described Crawl cylinder that dragging plate, fixing end are connected with the dragging connecting plate is connected and has with the movable end for capturing cylinder The activity crawl block of first crawl positioning column, the fixed crawl block for being connected with the dragging plate and capturing positioning column with second.

Further, the Z axis movable plate is equipped with crawl the linear guide, and the dragging plate is close to the Z axis movable plate Side is equipped with several and matched first sliding block of crawl the linear guide, and the activity crawl block is moved close to the Z axis The side of plate is equipped with and matched second sliding block of crawl the linear guide.

Further, the dragging plate offers the recessing groove for being slidably connected with the activity crawl block, described to allow The connecting rod for connecting the activity crawl block and the movable end of the crawl cylinder, the Z axis movable plate are equipped in the slot of position It is equipped with erecting bed close to the side of the dragging connecting plate, the erecting bed is located at immediately below the dragging connecting plate, the peace The dragging guide rod that dress platform is equipped with through the dragging connecting plate and is slidably connected with the dragging connecting plate, the dragging guide rod Outer cover is equipped with die springs.

Further, total tool magazine further includes tool magazine pedestal and the tool magazine bottom being located at below the tool magazine holder The connected and tool magazine axis through the tool magazine holder of seat, outer ring is connected with the tool magazine holder and inner ring is connected with the tool magazine axis Bearing, the holder pivots driving device for driving the tool magazine holder pivots；The tool magazine branch is provided with several magnet peaces Fill seat.

Further, the holder pivots driving device includes the internal gear being fixedly connected with the tool magazine holder and institute State the external gear of internal gear engagement, the holder pivots motor for driving external gear rotation, be connected with the tool magazine axis and The motor mounting rack being connected with the fixing end of the holder pivots motor.

Further, the tool magazine pedestal is equipped with tool magazine line slide rail and tool magazine cylinder, and the tool magazine line slide rail is equipped with The tool magazine sliding block being slidably connected with the tool magazine line slide rail is equipped with and the knife between the tool magazine axis and the tool magazine pedestal The connected tool magazine mounting plate of library axis, the tool magazine mounting plate are fixedly connected with the tool magazine sliding block, the activity of the tool magazine cylinder End is connected with the tool magazine mounting plate, and the magnet mounting base is equipped with several neodium magnets and several installation positioning columns.

The beneficial effects of the utility model：Some small-sized tool magazine on total tool magazine is dragged to Z by capturing tractor Axis simultaneously by capture tractor small-sized tool magazine is fixed on Z axis, need for main shaft tool changing when, the rotating speed of main shaft is reduced to one Within ten thousand rpms, certain cutter on small-sized tool magazine is shifted to main shaft by the corresponding construction on small-sized tool magazine；Due to small-sized knife Have much knives tool there is no need to take knife from total tool magazine every time on library, eliminate the time of Z axis movement, relative to fast from zero-turn It accelerates to processing rotating speed and has saved the more time.

Description of the drawings

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the overall structure diagram of the numerically-controlled machine tool of the utility model；

Fig. 2 is the structural schematic diagram of total tool magazine of the utility model；

Fig. 3 is the vertical view of total tool magazine of the utility model；

Fig. 4 is the structural schematic diagram of the small-sized tool magazine of the utility model；

Fig. 5 is the structural schematic diagram of the cutter holder assembly mounting base of the utility model；

Fig. 6 is the structural schematic diagram of the cutter holder assembly of the utility model；

Fig. 7 is the explosive view of the cutter holder assembly of the utility model；

Fig. 8 is the connection diagram of the crawl tractor and control knife cylinder of the utility model；

Fig. 9 is the structural schematic diagram of the crawl tractor of the utility model；

Figure 10 is the explosive view of the part-structure of the crawl tractor of the utility model；

Figure 11 is the side view of the numerically-controlled machine tool of the utility model；

In figure：

1, fuselage；11, Z axis movable plate；12, Z axis driving mechanism；

2, total tool magazine；21, tool magazine holder；211, magnet mounting base；2111, neodium magnet；2112, positioning column is installed；22, knife Bottom storehouse seat；23, tool magazine line slide rail；24, tool magazine cylinder；25, tool magazine mounting plate；26, holder pivots driving device；261, internal tooth Wheel；262, external gear；263, holder pivots motor；264, motor mounting rack；27, tool magazine sliding block；28, tool magazine axis；29, bearing；

3, main shaft；

4, tractor is captured；41, cylinder is dragged；42, connecting plate is dragged；43, dragging plate；431, recessing groove；432, even Extension bar；44, cylinder is captured；45, activity crawl block；451, the first crawl positioning column；46, fixed crawl block；461, the second crawl Positioning column；47, the linear guide is captured；471, the first sliding block；472, the second sliding block；48, erecting bed；481, guide rod is dragged；482, Die springs；

5, small-sized tool magazine；51, cutter；52, cutter holder assembly mounting base；521, mounting surface；522, panel is captured；523, it captures Pendant；53, cutter holder assembly；531, knife rest installation part；5311, knife rest guide rod；5312, compressed spring；5313, stop screw； 532, knife rest is deposited；533, tool holder；5331, cutter holder；5332, broach shell；534, the first controls connecting rod；5341, first lower turn Axis；5342, shaft on first；535, the second controls connecting rod；5351, the second lower rotary shaft；5352, shaft on second；536, first Transmission gear；537, the second transmission gear；538, rack；5381, jacking block；

6, knife cylinder is controlled；

7, knife Cylinder mount bracket is controlled.

Specific implementation mode

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed System, is merely for convenience of describing the present invention and simplifying the description, does not indicate or imply the indicated device or element is necessary With specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

The realization of the utility model is described in detail below in conjunction with specific embodiment.

As shown in figs. 1-11, the utility model embodiment proposes a kind of numerically-controlled machine tool, including fuselage 1, be set to fuselage 1 and Total tool magazine 2 of several small-sized tool magazines 5, the Z axis movable plate 11 for installing main shaft 3 are installed, for driving Z axis movable plate 11 to move Dynamic Z axis driving mechanism 12, the crawl tractor 4 set on Z axis movable plate 11 and for capturing small-sized tool magazine 5；Total tool magazine 2 wraps The tool magazine holder 21 for being used to support small-sized tool magazine 5 and being connect with 5 magnetic suck of small-sized tool magazine is included, small-sized tool magazine 5 has several cutters 51。

It include the small-sized tool magazine that several can be detached with total tool magazine 2 in the embodiments of the present invention, in total tool magazine 2 5, all have several cutters 51 on each small-sized tool magazine 5, the cutter 51 and cutter spacing structure being arranged on each small-sized tool magazine 5 it is less with Ensure that the weight of small-sized tool magazine 5 is relatively light, huge load will not be increased to Z axis, be conducive to the rigidity and dynamic that improve Z axis Response speed reduces vibration, improves size, the appearance precision of institute converted products, above-mentioned numerically-controlled machine tool can be digital-controlled carving machine or Person's numerical control drilling and tapping machine, total tool magazine 2 can be placed in outside machining area, and expandability is good.One of them small-sized tool magazine 5 is passed through first Crawl tractor 4 is dragged to Z axis and small-sized tool magazine 5 is fixed on Z axis by capturing tractor 4, needs to change for main shaft 3 When knife, the rotating speed of main shaft 3 is reduced within 10,000 rpms, and the corresponding construction on small-sized tool magazine 5 is by certain on small-sized tool magazine 5 Cutter 51 is shifted to main shaft 3；Due to having much knives tool 51 there is no need to take knife from total tool magazine 2 every time on small-sized tool magazine 5, save The time for having gone Z axis to move；Simultaneously because small-sized tool magazine 5 is fixed on Z axis, therefore main shaft 3 can not stop operating when tool changing, and It is that rotating speed is reduced within 10,000 rpms and can carry out tool changing, processing rotating speed is directly accelerated to after tool changing, relative to tradition Stop operating again from zero-turn speed accelerate to processing rotating speed saved the more time, improve the rate of production.Preferably, often Small-sized tool magazine 5 on a total tool magazine 2 may be configured as four, and the cutter 51 on each small-sized tool magazine 5 may be configured as four.

Further, Fig. 4-7 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Small-sized tool magazine 5 includes the cutter holder assembly mounting base 52 with several mounting surfaces 521, is connected with mounting surface 521 and has cutter 51 Cutter holder assembly 53；Cutter holder assembly mounting base 52 is equipped with for matching and opening up with the crawl tractor 4 being arranged on Z axis There is the crawl pendant 523 in crawl hole, cutter holder assembly 53 includes knife rest installation part 531 and the knife rest for being connected with mounting surface 521 Installation part 531 be rotatablely connected deposit knife rest 532, for cutter 51 is clamped and with deposit knife rest 532 rotation connection tool holder 533, for drive deposit knife rest 532 rotation deposit blade holder turns driving device.Specifically, it is equipped in cutter holder assembly mounting base 52 The crawl pendant 523 in the crawl hole that section is taper is offered, the crawl tractor 4 on Z axis movable plate 11 is by grabbing 5 entirety of small-sized tool magazine is dragged to Z axis and small-sized tool magazine 5 is fixed on Z axis by the crawl hole on getting part 523；It will be various types of Cutter 51 be arranged on multiple small-sized tool magazines 5, the crawl tractor 4 when needing different types of cutter 51 on Z axis is grabbed The small-sized tool magazine 5 with the type cutter 51, the crawl tractor 4 on Z axis is taken to be absorbed in above-mentioned crawl hole, grab equipped with protrusion It after taking tractor 4 to capture cutter holder assembly mounting base 52 and is fixed on Z axis, ensures steady when small-sized tool magazine 5 uses It is qualitative；It is equipped with a cutter holder assembly 53 on each mounting surface 521 of cutter holder assembly mounting base 52, rationally controls cutter holder assembly 53 Quantity avoids the load excessive of numerically-controlled machine tool Z axis, while capturing small-sized tool magazine 5 according to demand, and being embodied as numerically-controlled machine tool with this carries For will not also aggravate the load of Z axis while number of species enough cutter 51.Knife rest installation part 531 on cutter holder assembly 53 is made To deposit the pedestal of the components such as knife rest 532, deposit blade holder turns driving device for drive deposit the rotation of knife rest 532 and then will be arranged and depositing Cutter 51 (cutter 51 is mounted on by handle of a knife and is deposited on knife rest 532) on knife rest 532 is delivered to corresponding position, when cutter 51 is in It deposits knife rest 532 when non-working condition to drive cutter 51 to the installation position far from main shaft 3, when needing the installation of cutter 51 to main shaft Knife rest 532 is deposited when 3 with cutter 51 to the installation position of main shaft 3.Simultaneously cutter holder assembly mounting base 52 also have for outside The connected crawl panel 522 of fixed structure, captures to sink on panel 522 and is equipped with nickel layer, the angular range between adjacent mounting surface 521 It is spent for 120 degree -140, setting crawl panel 522 with tool magazine holder 21 for being connected；Preferably, can by adjacent mounting surface 521 it Between angle be set as after 135 degree namely cutter holder assembly 53 are installed with X-axis being in 0 degree or 45 degree, which can also effectively contract The size of small-sized tool magazine 5 in the Y-axis direction improves visual effect to increase visual space.The whole dress of above-mentioned cutter holder assembly 53 With being fixedly installed to again in cutter holder assembly mounting base 52 after the completion.

Further, Fig. 6-7 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Cutter holder assembly 53 further includes being located to deposit the first controls connecting rod 534 of 532 side of knife rest, positioned at depositing the second of 532 other side of knife rest Controls connecting rod 535；The first lower rotary shaft 5341, the first control are equipped between one end and knife rest installation part 531 of first controls connecting rod 534 Shaft 5342 on first, one end of the second controls connecting rod 535 are equipped between the other end and tool holder 533 of connecting rod 534 processed The second lower rotary shaft 5351, the other end and the tool holder 533 of the second controls connecting rod 535 are equipped between knife rest installation part 531 Between be equipped with second on shaft 5352, the first lower rotary shaft 5341 is staggered with the second lower rotary shaft 5351 namely the first lower rotary shaft 5341 axis is not conllinear with the axis of the second lower rotary shaft 5351, and shaft 5342 is staggered with shaft on second 5352 on first, Namely the axis of shaft 5342 is not conllinear with the axis of shaft on second 5352 on first.Specifically, in order to avoid depositing knife rest 532 Cutter 51 and handle of a knife are the state tilted down after turning an angle, and the first control is respectively equipped at the both ends for depositing knife rest 532 Connecting rod 534 and the second controls connecting rod 535, the first controls connecting rod 534 and deposit and constitute a parallelogram between knife rest 532, and second It controls connecting rod 535 and deposits and constitutes a parallelogram between knife rest 532, ensure that the first controls connecting rod 534 and second controls with this Connecting rod 535 can be rotated synchronously with knife rest 532 is deposited, and it is vertical to realize that cutter 51 is constantly in depositing 532 rotation process of knife rest with this Straight downward state, therefore clast after processing is completed will not flow into the inner conical surface of handle of a knife along cutter 51.First controls connecting rod 534 and second controls connecting rod 535 respectively with deposit knife rest 532 composition two parallelogram deposit knife rest 532 rotate it is larger It is easy stuck in the presence of " dead point " in rotational angle in the case of angle (concretely 210 degree) and influences cutter 51 vertically downward State, therefore the axis of the first lower rotary shaft 5341 is not conllinear with the axis of the second lower rotary shaft 5351, shaft 5342 on first Axis it is not conllinear with the axis of shaft on second 5352, also i.e. by the first controls connecting rod 534 with deposit knife rest 532 form it is parallel " dead point " of the rotation of quadrangle is " dead with the rotation of the second controls connecting rod 535 and the parallelogram for depositing the composition of knife rest 532 Point " shifts to install, and " dead point " of the two is avoided to overlap, namely ensures to deposit knife rest 532 in the case where rotating larger angle without " dead Point ", cutter 51 can be realized always vertically downward.Tool holder 533 by the cutter holder 5331 and broach shell 5332 that are clamped, convenient for pair Cutter 51 is dismantled.

Further, Fig. 4-8 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Blade holder turns driving device is deposited to include and deposit the first transmission gear 536 and the first transmission gear 536 that knife rest 532 is fixedly connected Engagement and be rotatablely connected with knife rest installation part 531 the second transmission gear 537, engage with the second transmission gear 537 and and knife rest Rack 538 that installation part 531 is slidably connected, the control knife cylinder 6 moved up and down for drive rack 538；The top of rack 538 is set There are the jacking block 5381 of the underface of the movable end positioned at control knife cylinder 6, knife rest installation part 531 to be equipped with and be slidably connected with jacking block 5381 Knife rest guide rod 5311, the outer cover of knife rest guide rod 5311 is equipped with compressed spring 5312, and the top of knife rest guide rod 5311 is equipped with limit Position gasket, knife rest installation part 531 are additionally provided with the stop screw 5313 immediately below jacking block 5381.Specifically, it is fixed on Z axis And the control knife cylinder 6 right over rack 538 is by being arranged the upper of 5381 drive rack 538 of jacking block at the top of rack 538 Lower movement is only to pass through stretching motion drive rack 538 without rigid connection between the movable end and jacking block 5381 of control knife cylinder 6 Up and down motion, rack 538 move up and down when drive engage the second transmission gear 537 rotation, the second transmission gear 537 The rotation of the first transmission gear 536 engaged, the first transmission gear 536 is driven to be secured to connection when rotating when rotation It deposits knife rest 532 to rotate synchronously with the first transmission gear 536, and then realization will deposit 51 band of the cutter on knife rest 532 to main shaft 3 51 installation position of cutter or 51 installation position of cutter far from main shaft 3.When jacking block 5381 moves downwardly to and stop screw 5313 When contact, stop screw 5313 blocks jacking block 5381, and jacking block 5381 no longer moves downward, therefore deposits under the rotation of knife rest 532 Extreme position is controlled by stop screw 5313.When jacking block 5381, which is moved up to, to be contacted with spacing shim, spacing shim is by jacking block 5381 block, and jacking block 5381 no longer moves upwards, therefore the upper limit position for depositing the rotation of knife rest 532 is controlled by spacing shim.

Further, Fig. 8-10 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Crawl tractor 4 include fixing end be connected with Z axis movable plate 11 dragging cylinder 41, with drag cylinder 41 movable end be connected Dragging connecting plate 42, positioned at the both sides of main shaft 3 and with dragging connecting plate 42 be connected dragging plate 43, fixing end with dragging connection The connected crawl cylinder 44 of plate 42, the activity for being connected with the movable end of crawl cylinder 44 and capturing positioning column 451 with first are grabbed Block 45 is taken, is connected with dragging plate 43 and captures block 46 with the second the fixed of crawl positioning column 461.Control knife cylinder 6 and dragging plate It is connected by controlling knife Cylinder mount bracket 7 between 43.Specifically, mounting seat of the Z axis movable plate 11 as Z axis part, in Z axis It is equipped with dragging plate 43 in the both sides of main shaft 3 on movable plate 11, dragging cylinder 41 drives dragging plate 43 to arrive by dragging connecting plate 42 Up to the position for needing to capture small-sized tool magazine 5, and accordingly dragging plate 43 is promoted so that being set on dragging plate 43 on fixed crawl block 46 The second crawl positioning column 461 stretch into the crawl hole of 5 lower end of small-sized tool magazine, the movable end for then capturing cylinder 44 is stretched out to drive and is lived Dynamic crawl block 45 moves, and the first crawl positioning column 451 being arranged on activity crawl block 45 stretches into the crawl being arranged on small-sized tool magazine 5 Firmly grasping to small-sized tool magazine 5 is realized in hole, the movable end of recycling crawl cylinder 44, which is realized, unclamps small cylinder；When by small-sized tool magazine After 5 firmly grasp, dragging cylinder 41 will act again promptly to be dragged in activity crawl block 45 and the small-sized tool magazine 5 fixed between crawl block 46 It moves to the corresponding position of Z axis, in case being subsequently 3 tool changing of main shaft, due to activity crawl block 45 and fixes between crawl block 46 preferably Cooperation small-sized tool magazine 5 can be stably fixed on Z axis；The setting stablized due to small-sized tool magazine 5 is on Z axis, for main shaft 3 It is not necessary that main shaft 3 stops operating when tool changing, and the rotating speed by main shaft 3 is only needed to be down within 10,000 turns per minute.

Further, Fig. 9-10 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Z axis movable plate 11 is equipped with crawl the linear guide 47, and dragging plate 43 is equipped with several and crawl straight line close to the side of Z axis movable plate 11 47 matched first sliding block 471 of guide rail, activity crawl block 45 are equipped with and crawl the linear guide close to the side of Z axis movable plate 11 47 matched second sliding blocks 472.Specifically, crawl the linear guide 47 and 43 mating setting of dragging plate, also are located at the two of main shaft 3 Side, dragging plate 43 is slided by the first sliding block 471 along crawl the linear guide 47 when dragging cylinder 41 drives dragging plate 43 to move, Ensure stability when dragging plate 43 moves.Activity crawl block 45 is slided by the second sliding block 472 along crawl the linear guide 47, Guarantee activity captures stability when block 45 moves.

Further, Fig. 9-10 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Dragging plate 43 offers the recessing groove 431 being slidably connected with activity crawl block 45, is equipped in recessing groove 431 and is grabbed for connecting activity The connecting rod 432 of block 45 and the movable end for capturing cylinder 44, Z axis movable plate 11 is taken to be equipped with position close to the side of dragging connecting plate 42 Erecting bed 48 immediately below dragging connecting plate 42, erecting bed 48 are equipped with through dragging connecting plate 42 and are slided with dragging connecting plate 42 The outer cover of the dragging guide rod 481 of dynamic connection, dragging guide rod 481 is equipped with die springs 482.Specifically, activity crawl block 45 1 Part is located in recessing groove 431, and the movable end for capturing cylinder 44 is connected by connecting rod 432 with activity crawl block 45.Activity is grabbed Take block 45 along also being slided along crawl the linear guide 47 by the second sliding block 472 while sliding in recessing groove 431, further Guarantee activity captures stability when block 45 moves.When dragging cylinder 41 drives dragging connecting plate 42 to move up and down, dragging connection Plate 42 is guide frame and then ensures that dragging connecting plate 42 only occurs in the movement of vertical direction without to cross to drag guide rod 481 To offset.Dragging cylinder 41 drags the tenesmus of the structures such as connecting plate 42 in the case where dying and damages main shaft 3 in order to prevent, is dragging The outside of dynamic guide rod 481 provides certain retentivity, the safety coefficient of lifting means for total equipped with die springs 482.

Further, Fig. 2-3 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Total tool magazine 2 further includes the tool magazine pedestal 22 for being located at 21 lower section of tool magazine holder, is connected with tool magazine pedestal 22 and runs through tool magazine holder 21 Tool magazine axis 28, the bearing 29 that outer ring is connected with tool magazine holder 21 and inner ring is connected with tool magazine axis 28, for driving tool magazine holder The holder pivots driving device 26 of 21 rotations；Tool magazine holder 21 is equipped with several magnet mounting bases 211.Specifically, tool magazine pedestal 22 The other structures of total tool magazine 2 are installed on the fuselage 1 of numerically-controlled machine tool and are used to support, are passed through on the circumferencial direction of tool magazine holder 21 Magnet mounting base 211 is evenly arranged with several small-sized tool magazines 5, and small-sized tool magazine 5 is equipped with several cutter 51；For numerically-controlled machine tool Main shaft 3 when changing corresponding small-sized tool magazine 5, it with tool magazine axis 28 is that shaft turns that holder pivots driving device 26, which drives tool magazine holder 21, It is dynamic then to there is the small-sized tool magazine 5 for the cutter 51 for meeting process requirements to turn to tool changing position some, it is arranged on numerically-controlled machine tool Z axis Corresponding grasping mechanism the small-sized tool magazine 5 is clamped and fastened on Z axis, due on small-sized tool magazine 5 have multiple cutters 51, because This is reduced to the small-sized tool magazine of certain value the latter 5 can be by the respective outer side edges in the structure and Z axis of its own in 3 rotating speed of main shaft Main shaft 3 replaces much knives tool 51, all takes knife when without each tool changing out of total tool magazine 2, is effectively saved tool changing and main shaft 3 in this way Rotating speed is promoted to the time of process requirements rotating speed, improves industrial efficiency.

Further, Fig. 2-3 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Holder pivots driving device 26 includes the internal gear 261 being fixedly connected with tool magazine holder 21, the external gear engaged with internal gear 261 262, for drive holder pivots motor 263 that external gear 262 rotates, be connected with tool magazine axis 28 and with holder pivots motor 263 The connected motor mounting rack 264 of fixing end.Specifically, the output end of holder pivots motor 263 is the number of teeth with dynamic stiffness 262 external gear 262 of commutating tooth external gear rotate, the modulus engaged with external gear 262 be the number of teeth be commutating tooth internal gear 261 in external tooth It rotates and then drives when 262 rotation of wheel and rotated with the affixed tool magazine holder 21 of internal gear 261, motor mounting rack 264 and knife Library axis 28 is connected, and the fixing end of holder pivots motor 263 is installed on motor mounting rack 264.Preferably, holder pivots motor 263 be servo motor.

Further, Fig. 2-3 is please referred to, as a kind of specific implementation mode of numerically-controlled machine tool provided by the utility model, Tool magazine pedestal 22 is equipped with tool magazine line slide rail 23 and tool magazine cylinder 24, and tool magazine line slide rail 23 is equipped with to be slided with tool magazine line slide rail 23 The dynamic tool magazine sliding block 27 connected, is equipped with the tool magazine mounting plate 25 being connected with tool magazine axis 28, knife between tool magazine axis 28 and tool magazine pedestal 22 Library mounting plate 25 is fixedly connected with tool magazine sliding block 27, and the movable end of tool magazine cylinder 24 is connected with tool magazine mounting plate 25, magnet installation Seat 211 is equipped with several neodium magnets 2111 and several installation positioning columns 2112.Specifically, tool magazine cylinder 24 is for driving tool magazine to install Plate 25 moves on tool magazine pedestal 22 along tool magazine line slide rail 23, drives when tool magazine mounting plate 25 moves and is connected with tool magazine axis 28 Tool magazine holder 21 move, and then 5 band of small-sized tool magazine on tool magazine holder 21 will be set to tool changing position, crawl tractor 4 exists This is changed to position and captures and be dragged to Z axis by small-sized tool magazine 5 and then small-sized tool magazine 5 is fixed on Z axis, then is driven by holder pivots The small-sized tool magazine of target 5 is turned to the crawl position of the grasping mechanism of Z axis by dynamic device 26.The magnet made of hard aluminium alloy is installed The neodium magnet 2111 being arranged on seat 211 is for adsorbing small-sized tool magazine 5；It is 1 that installation positioning column 2112, which is taper,:5 cone The round platform of going out is cut, is used cooperatively with the taper hole on small-sized tool magazine 5, for positioning and supporting upwards small-sized tool magazine 5.

Obviously, above-described embodiment of the utility model is used for the purpose of clearly illustrating the utility model example, and It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in Within the protection domain of the utility model claims.

Claims (10)

1. numerically-controlled machine tool, which is characterized in that including fuselage, set on the fuselage and be equipped with several small-sized tool magazines total tool magazine, It is moved for installing the Z axis movable plate of main shaft, the Z axis driving mechanism for driving the Z axis movable plate movement, being set to the Z axis Movable plate and the crawl tractor for being used to capture the small-sized tool magazine；Total tool magazine includes being used to support the small-sized tool magazine Tool magazine holder, the small-sized tool magazine have several cutters.

2. numerically-controlled machine tool according to claim 1, which is characterized in that the small-sized tool magazine includes having several mounting surfaces Cutter holder assembly mounting base, the cutter holder assembly for being connected with the mounting surface and there is the cutter；The cutter holder assembly mounting base is set Be useful for it is described crawl tractor match and with crawl hole crawl pendant, the cutter holder assembly include for institute State the connected knife rest installation part of mounting surface, with knife rest installation part rotation connection deposit knife rest, for be clamped cutter and with institute State deposit blade holder turns connection tool holder, for drive it is described deposit blade holder turns deposit blade holder turns driving device.

3. numerically-controlled machine tool according to claim 2, which is characterized in that the cutter holder assembly further includes depositing knife rest positioned at described First controls connecting rod of side, positioned at second controls connecting rod for depositing the knife rest other side；One end of first controls connecting rod Be equipped with the first lower rotary shaft between the knife rest installation part, the other end of first controls connecting rod and the tool holder it Between be equipped with first on shaft, between one end of second controls connecting rod and the knife rest installation part be equipped with the second lower rotary shaft, institute State between the other end of the second controls connecting rod and the tool holder be equipped with second on shaft, first lower rotary shaft with it is described Second lower rotary shaft is staggered, and shaft is staggered with shaft on described second on described first.

4. numerically-controlled machine tool according to claim 3, which is characterized in that it is described deposit blade holder turns driving device include with it is described The first transmission gear that knife rest is fixedly connected is deposited, engages with first transmission gear and is rotatablely connected with the knife rest installation part The second transmission gear, engage with second transmission gear and be slidably connected with the knife rest installation part rack, for driving Move the control knife cylinder that the rack moves up and down；The top of the rack be equipped be located at it is described control knife cylinder movable end just under The jacking block of side, the knife rest installation part are equipped with the knife rest guide rod being slidably connected with the jacking block, the outer cover of the knife rest guide rod Equipped with compressed spring, the top of the knife rest guide rod is equipped with spacing shim, and the knife rest installation part is additionally provided with positioned at the jacking block The stop screw of underface.

5. according to claim 1-4 any one of them numerically-controlled machine tools, which is characterized in that the crawl tractor includes fixing It holds the dragging cylinder being connected with the Z axis movable plate, the dragging connecting plate being connected with the movable end of the dragging cylinder, be located at institute Dragging plate, fixing end and the crawl gas for dragging connecting plate and being connected stated the both sides of main shaft and be connected with the dragging connecting plate Cylinder is connected with the movable end for capturing cylinder and captures block and the dragging plate phase with the first the movable of crawl positioning column Even and with the second the fixed of crawl positioning column capture block.

6. numerically-controlled machine tool according to claim 5, which is characterized in that the Z axis movable plate is equipped with crawl the linear guide, institute It states dragging plate and is equipped with several and matched first sliding block of crawl the linear guide, institute close to the side of the Z axis movable plate Activity crawl block is stated to be equipped with and matched second sliding block of crawl the linear guide close to the side of the Z axis movable plate.

7. numerically-controlled machine tool according to claim 6, which is characterized in that the dragging plate is offered for being grabbed with the activity The recessing groove that block is slidably connected is taken, the work for connecting the activity crawl block and the crawl cylinder is equipped in the recessing groove The connecting rod of moved end, the Z axis movable plate are equipped with erecting bed close to the side of the dragging connecting plate, and the erecting bed is located at institute It states immediately below dragging connecting plate, the erecting bed is equipped with through the dragging connecting plate and is slidably connected with the dragging connecting plate Dragging guide rod, it is described dragging guide rod outer cover be equipped with die springs.

8. according to claim 1-4 any one of them numerically-controlled machine tools, which is characterized in that total tool magazine further includes positioned at described Tool magazine pedestal below tool magazine holder is connected with the tool magazine pedestal and through tool magazine axis, outer ring and the institute of the tool magazine holder State bearing, the holder pivots for driving the tool magazine holder pivots that tool magazine holder is connected and inner ring is connected with the tool magazine axis Driving device；The tool magazine branch is provided with several magnet mounting bases.

9. numerically-controlled machine tool according to claim 8, which is characterized in that the holder pivots driving device includes and the knife Internal gear that library holder is fixedly connected, the external gear engaged with the internal gear, the holder for driving the external gear rotation Rotary electric machine, the motor mounting rack for being connected with the tool magazine axis and being connected with the fixing end of the holder pivots motor.

10. numerically-controlled machine tool according to claim 8, which is characterized in that the tool magazine pedestal be equipped with tool magazine line slide rail and Tool magazine cylinder, the tool magazine line slide rail are equipped with the tool magazine sliding block being slidably connected with the tool magazine line slide rail, the tool magazine axis The tool magazine mounting plate being connected with the tool magazine axis is equipped between the tool magazine pedestal, the tool magazine mounting plate is slided with the tool magazine Block is fixedly connected, and the movable end of the tool magazine cylinder is connected with the tool magazine mounting plate, and the magnet mounting base is equipped with several neodymiums Magnet and several installation positioning columns.