CN108145451B - Numerically-controlled machine tool - Google Patents
Numerically-controlled machine tool Download PDFInfo
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- CN108145451B CN108145451B CN201810006028.4A CN201810006028A CN108145451B CN 108145451 B CN108145451 B CN 108145451B CN 201810006028 A CN201810006028 A CN 201810006028A CN 108145451 B CN108145451 B CN 108145451B
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- railroad shoe
- slide rail
- horizontal slide
- groove
- rack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/017—Arrangements of ways
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of numerically-controlled machine tools, its key points of the technical solution are that including rack, fixture, saddle, longitudinal slide rail, slide plate, circular cutter holder, the first railroad shoe and the second railroad shoe are arranged in parallel in rack, and second railroad shoe be higher than the first railroad shoe, the horizontal slide rail perpendicular with longitudinal slide rail is respectively provided in first railroad shoe and the second railroad shoe, saddle sliding is connected between the first railroad shoe and the second railroad shoe, horizontal slide rail top surface is horizontal plane in the top surface of horizontal slide rail and the second railroad shoe in first railroad shoe, so that saddle and the contact surface of horizontal slide rail are also horizontal plane, the gravity of saddle directly acts on lower horizontal slide rail top surface in this way, and the gravity direction of saddle is perpendicular to the top surface of horizontal slide rail, saddle trend that longitudinal movement and vertical motion are not likely to produce in moving process in this way, so that laterally sliding The side wall of rail is less prone to the case where deformation even damages, and ensure that the machining accuracy of the numerically-controlled machine tool to a certain extent.
Description
Technical field
The present invention relates to Workpiece machining apparatus technical field, in particular to a kind of numerically-controlled machine tool.
Background technique
Numerically-controlled machine tool is a kind of automated machine tool equipped with program control system.
Currently, the Chinese patent that notification number is CN205817305U discloses a kind of Double end digital control lathe, it includes lathe bed,
There is inclined-plane on the lathe bed, be provided with sliding rail on the inclined-plane, and sliding rail top surface is parallel with inclined-plane, slides on the sliding rail
It is connected with cross slid platform, and cross slid platform top surface is parallel with inclined-plane, is provided with circular cutter holder on cross slid platform, on the lathe bed
It is provided with Z axis motor, the Z axis motor is arranged on the cross slid platform for driving cross slid platform to be slided on the slide rail
There is X-axis motor, the X-axis motor is for driving circular cutter holder to be slided on cross slid platform, and the sliding side of circular cutter holder
To perpendicular with the glide direction of cross slid platform.
But during cross slid platform carries out mobile on the slide rail, the gravity of cross slid platform itself can be decomposed into flat
Row is in inclined-plane and towards the first component of ground side and perpendicular to inclined-plane and towards the second component of sliding rail side.First point
Power makes cross slid platform there is the trend along inclined-plane slide downward, in this way in the mistake processed using the numerically-controlled machine tool to workpiece
Cheng Zhong, sliding rail side wall is by the squeezing action from cross slid platform, so that the deformation even feelings of fracture easily occurs in sliding rail side wall
Condition.Easily occur the offset on longitudinal direction when cross sliding rail moves on the slide rail in this way, the machining accuracy of the numerically-controlled machine tool is made
At large effect.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of numerically-controlled machine tool, have process into
Spend higher advantage.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of numerically-controlled machine tool, including machine
Frame is arranged on the rack fixture for being clamped to workpiece, sliding connection saddle on the rack, is arranged on saddle
Longitudinal slide rail slides the slide plate being connected in longitudinal slide rail, the circular cutter holder being arranged on slide plate, is arranged in parallel in the rack
There are the first railroad shoe of close fixture and the second railroad shoe far from fixture side, and the second railroad shoe is higher than the first track
, the horizontal slide rail perpendicular with longitudinal slide rail is respectively provided in first railroad shoe and the second railroad shoe, the saddle is sliding
Shifting is connected between the first railroad shoe and the second railroad shoe.
Through the above technical solutions, being provided with horizontal slide rail in the first railroad shoe and the second railroad shoe, and the first rail
The top surface of horizontal slide rail on road seat and the top surface of the second railroad shoe are horizontal plane.The height of second railroad shoe is greater than first
The height of railroad shoe, such saddle is in the enterprising line slip of horizontal slide rail in the first railroad shoe and the second railroad shoe, saddle
Top surface is inclined.In this way during being processed using the numerically-controlled machine tool to workpiece, circular cutter holder is only needed along cunning
The mobile shorter distance in the top surface of saddle can be contacted with the workpiece on fixture so that the process of workpiece become it is more convenient,
Fast.Horizontal slide rail top surface is horizontal plane in the top surface of horizontal slide rail and the second railroad shoe in first railroad shoe, so that sliding
Saddle and the contact surface of horizontal slide rail are also horizontal plane, and the gravity of such saddle directly acts on lower horizontal slide rail top surface, and saddle
Gravity direction perpendicular to the top surface of horizontal slide rail, such saddle is not likely to produce longitudinal movement and vertical fortune in moving process
Dynamic trend so that the side wall of horizontal slide rail is less prone to the case where deformation even damages, and ensure that the number to a certain extent
Control the machining accuracy of lathe.
Preferably, first railroad shoe is provided with the first placing groove for placing horizontal slide rail, and the first placing groove
Through the side wall of the first railroad shoe side, it is provided at the first placing groove slot bottom for horizontal slide rail to be pushed against first
The first limited block at groove groove wall is placed, and the first limited block is connected by screw with the first railroad shoe, second railroad shoe
On be provided with the second placing groove for placing horizontal slide rail, and the second placing groove is through the side wall of the second railroad shoe side,
The second limited block for being pushed against horizontal slide rail at the second placement groove groove wall is provided in the second placement groove groove wall, and
Second limited block is connected by screw with the second railroad shoe.
Through the above technical solutions, when damaging and being replaced occur in the horizontal slide rail in the first railroad shoe, rotation
Screw on dynamic first limited block, so that screw is separated with the first railroad shoe, the first limited block is separated with horizontal slide rail later, will
Horizontal slide rail is removed from the first placing groove.New horizontal slide rail is placed into inside the first placing groove later, and is controlled laterally sliding
The side wall of rail offsets with the first placing groove internal groove side wall.The first limited block is put on the first placing groove slot bottom later, then to
One limited block applies thrust, so that the first limited block and horizontal slide rail offset and horizontal slide rail are pushed against the first placing groove inside groove
At wall.Tightening screw later, so that screw is connected with the first railroad shoe and the first limited block is pressed on the first placing groove slot bottom
Place.When damaging and being replaced occur in the horizontal slide rail in the second railroad shoe, screw on the second limited block of turn makes
Screw is separated with the second railroad shoe, the second limited block is separated with horizontal slide rail later, and by horizontal slide rail from the second placing groove
It removes.New horizontal slide rail is placed into inside the second placing groove later, and controls the side wall and the second placing groove of horizontal slide rail
Internal groove side wall offsets.The second limited block is put on the second placing groove slot bottom later, thrust then is applied to the second limited block, so that
Second limited block and horizontal slide rail offset and horizontal slide rail are pushed against at the second placing groove internal groove side wall.Tightening screw later makes
Screw is obtained to be connected with the second railroad shoe and the second limited block is pressed at the second placing groove slot bottom.
Preferably, the saddle includes sliding the first support base being connected and second with horizontal slide rail in the first railroad shoe
Horizontal slide rail slides the second connected support base, the connection being connected between the first support base and the second support base in railroad shoe
Plate, the mounting base being arranged on connecting plate.
Through the above technical solutions, being connected between the first support base and the second support base by connecting plate, and connecting plate one
End is connected with the first support base top surface, and the other end is connected with the second support base top surface.Saddle is moved on cross track in this way
When dynamic, there are certain gaps between connecting plate and rack, so that connecting plate bottom surface is less prone to abrasion, and mention to a certain extent
The high service life of the saddle.And the saddle designed in this way is less in the material for adding man-hour requirement, reduces to a certain extent
The production cost of the numerically-controlled machine tool.
Preferably, first support base includes the first pedestal and is arranged on the first pedestal and slides with horizontal slide rail
Connected first slide is provided with the first holding tank for installing first slide, second support on first pedestal
Seat includes the second pedestal and is arranged on the second pedestal and slides the second slide being connected, second pedestal with horizontal slide rail
On be provided with the second holding tank for installing second slide.
Through the above technical solutions, first slide is applied when first slide abrasion occurs because using overlong time
New first slide is installed to inside the first holding tank by pulling force later so that first slide is separated with the first holding tank.?
When two slides abrasion occur because using overlong time, second slide is applied into pulling force, so that second slide and the second holding tank
New second slide, is installed to inside the second holding tank by separation later.It is sliding by the first slide and second of replacement abrasion
Seat can accurately cut the workpiece on fixture with the lathe tool guaranteed on circular cutter holder, ensure that a certain extent
The machining accuracy of the numerically-controlled machine tool.And when first slide or second slide are damaged, do not need to entire sliding
Saddle is replaced, and reduces the use cost of the numerically-controlled machine tool to a certain extent.
Preferably, several the first connecting studs for being threadedly coupled with first slide are provided on first pedestal,
Several the second connecting studs for being threadedly coupled with second slide are provided on second pedestal.
Through the above technical solutions, in control saddle when being moved in horizontal slide rail, if between connecting plate and rack
Spacing it is smaller, and connecting plate is easy when touching with rack, can with the first connecting stud of turn and the second connecting stud,
So that the connection length between the first connecting stud and first slide reduces, the connection between the second connecting stud and second slide
Length reduces, and the spacing between connecting plate and rack increases.In this way during saddle is slided, connecting plate be not easy with
Rack is touched.
It preferably, further include automatic feed mechanism, the automatic feed mechanism includes the column being arranged on the rack, setting
Bracket that crossbeam in column top, sliding are connected on crossbeam, the transversal driving mechanism for driving bracket to be slid,
It slides the vertical sliding rack being connected on bracket, be arranged in vertical sliding rack for clamping the gripping body of workpiece, for driving
Move the vertical driving mechanism of vertical sliding rack sliding.
Through the above technical solutions, being driven first by transversal driving mechanism when needing for workpiece to be placed on fixture
Bracket is moved on crossbeam.When movement of bracket to gripping body is located at the surface of workpiece, transversal driving mechanism is closed,
Vertical sliding rack is driven to move down by vertical driving mechanism later, so that gripping body and wait clamp the spacing between workpiece
Shorten.When gripping body and workpiece contact, closes vertical driving mechanism and control gripping body for Workpiece clamping.It controls later
Vertical driving mechanism drives vertical sliding rack to be moved upwards, when gripping body, which is moved to, to be flushed with fixture, closes vertical
Driving mechanism drives bracket to drive gripping body mobile towards fixture side by transversal driving mechanism later.Work as gripping body
When extending into opposite with fixture, the workpiece on gripping body clamping device is controlled, after gripping body clamps workpiece, control folder
Tool unclamps workpiece, and control transversal driving mechanism drives gripping body mobile away from fixture side, closes laterally drive later
Motivation structure simultaneously opens rotary cylinder, so that the workpiece being arranged on two clamping pieces exchanges.Control transversal driving mechanism drives later
Dynamic bracket drives gripping body mobile towards fixture side, when the workpiece on clamp system is extend into inside fixture, control folder
Tool is by Workpiece clamping and controls gripping body release.So there is no need to users, and workpiece to be put into inside fixture manually, centainly
The automation of the numerically-controlled machine tool is improved in degree, and improves the processing efficiency of the numerically-controlled machine tool.
Preferably, the vertical sliding rack is provided with attachment base close to rack side, and attachment base is towards the end face of fixture
For inclined surface, the gripping body includes the rotary cylinder being arranged on inclined surface, is arranged in rotary cylinder turning end and turns
Dynamic seat, the pneumatic clamp being arranged on rotation seat, the number at least two of the pneumatic clamp.
Through the above technical solutions, first open rotary cylinder when needing for workpiece to be placed into inside fixture, so that
Turning end on rotary cylinder drives the pneumatic clamp on rotation seat and rotation seat to be rotated.As one on rotation seat
When pneumatic clamp turns to opposite with workpiece, temporary close rotary cylinder controls pneumatic clamp for Workpiece clamping later.It connects
Unlatching rotary cylinder so that rotary cylinder output end drive rotation seat rotated.In the process, due to rotary cylinder
It is arranged on inclined surface, so the axial direction of pneumatic clamp constantly changes in rotation seat rotation process.So that gripping body
More convenient, quick is become to the clamping process of workpiece.
Preferably, the storage for placing horizontal slide rail is provided in first railroad shoe and the second railroad shoe
Slot is symmetrically distributed with several grooves, and top surface or second rail of the groove through the first railroad shoe on two internal groove side wall of accommodating groove
The top surface of road seat, the inside grooves are hinged with articulated slab, be provided on the articulated slab side wall for horizontal slide rail bottom surface
The supporting plate that offsets, the conflict block for offseting with horizontal slide rail side wall.
Through the above technical solutions, when needing to be installed to horizontal slide rail in the first railroad shoe or the second railroad shoe,
Pulling force is applied to articulated slab first, so that articulated slab is mobile away from groove slot bottom side, at this time with respect on two articulated slabs
Spacing between conflict block gradually increases.When the spacing between the conflict block on opposite two articulated slabs is greater than horizontal slide rail bottom surface
When width, horizontal slide rail is placed into inside accommodating groove, and the bottom surface of horizontal slide rail offsets with supporting plate.Later by horizontal slide rail by
It is gradually pushed into inside accommodating groove, in the process, supporting plate drives articulated slab to rotate towards groove slot bottom side, and conflict block and cross
It is gradually reduced to the spacing between sliding rail side wall.After conflict block and horizontal slide rail offset, pressure of the conflict block to horizontal slide rail
Power effect size increases as horizontal slide rail extend into the increase of the length of inside grooves.So that horizontal slide rail is not easy in the number
It controls and is separated in the use process of lathe with the first railroad shoe or the second railroad shoe.It is needing to replace horizontal slide rail seat
When, it is only necessary to horizontal slide rail apply pulling force more convenient horizontal slide rail can be removed so that the installation of horizontal slide rail and
Replacement process becomes more convenient, quick.
Preferably, the spring that is connected with groove internal groove side wall is set on the articulated slab, and spring be used to pulling articulated slab to
Far from groove slot bottom side rotate.
Through the above technical solutions, pulling force is applied to horizontal slide rail and make horizontal slide rail and the first railroad shoe or
When second railroad shoe separates, spring pulls articulated slab to rotate away from groove slot bottom side, in this way with respect on two articulated slabs
Spacing between conflict block is greater than the width of horizontal slide rail, so that the process that horizontal slide rail is put into inside grooves becomes more square
Just, fast.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one, is mainly used for showing the contour structures of embodiment one；
Fig. 2 is the partial schematic diagram of embodiment one, is mainly used for showing the connection of each component of embodiment one；
Fig. 3 is the partial schematic diagram of automatic feed mechanism, is mainly used for showing the composition situation of automatic feed mechanism；
Fig. 4 is the portion the A enlarged drawing of Fig. 3；
Fig. 5 is the partial sectional view of embodiment two, is mainly used for showing the connection relationship between horizontal slide rail and rack；
Fig. 6 is the portion the B enlarged drawing of Fig. 5.
Appended drawing reference: 1, rack；2, fixture；201, spindle box；202, electro spindle；203, scroll chuck；3, saddle；31,
First support base；311, the first pedestal；312, first slide；32, the second support base；321, the second pedestal；322, second slide；
33, connecting plate；34, mounting base；4, longitudinal slide rail；5, slide plate；6, circular cutter holder；7, the first railroad shoe；8, the second railroad shoe；9,
Horizontal slide rail；10, the first placing groove；11, the first limited block；12, the second placing groove；13, the second limited block；14, it first accommodates
Slot；15, the second holding tank；16, the first connecting stud；17, the second connecting stud；18, automatic feed mechanism；181, column；
182, crossbeam；183, bracket；184, transversal driving mechanism；1841, the first rack gear；1842, first gear；1843, first motor；
185, vertical sliding rack；186, gripping body；1861, rotary cylinder；18611, cylinder body；18612, turning end；1862, it rotates
Seat；1863, pneumatic clamp；18631, gas seat；18632, collet；187, vertical driving mechanism；1871, the second rack gear；1872,
Second motor；1873, second gear；19, attachment base；20, inclined surface；21, accommodating groove；22, groove；23, articulated slab；24, it holds in the palm
Plate；25, conflict block；26, spring.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of numerically-controlled machine tool, as shown in Figure 1 and Figure 2, including rack 1, setting are used to accommodate workpiece in rack 1
Fixture 2, be arranged in rack 1 the first railroad shoe 7, setting rack 1 on and second track parallel with the first railroad shoe 7
Seat 8 is arranged in the first railroad shoe 7 and horizontal slide rail 9 in the second railroad shoe 8, sliding are connected to the first railroad shoe 7 and the
The slide plate that saddle 3 between two railroad shoes 8, the longitudinal slide rail 4 being arranged on 3 top surface of saddle, sliding are connected in longitudinal slide rail 4
5, cutter on circular cutter holder 6 for being processed to workpiece is arranged in the circular cutter holder 6 that is arranged on slide plate 5.
Fixture 2 include spindle box 201, electro spindle 202, be arranged on electro spindle 202 for being accommodated to workpiece
Scroll chuck 203.Spindle box 201 is placed in rack 1 and is connected by screw with rack 1.Electro spindle 202 is threaded through spindle box
Inside 201, and the direction of axis line of electro spindle 202 is horizontal direction.Scroll chuck 203 is coaxially mounted on electro spindle 202, and
Scroll chuck 203 is for clamping workpiece.
First railroad shoe 7 is fixedly connected on 1 top surface of rack, and the length direction of the first railroad shoe 7 and electro spindle 202
Axis direction is parallel.The first placing groove 10, the length direction of the first placing groove 10 and are provided on first railroad shoe, 7 top surface
Length direction in one railroad shoe 7 is identical, and side wall of first placing groove 10 through the first railroad shoe 7 towards 2 side of fixture.
First placing groove 10 is internally provided with horizontal slide rail 9, the length direction of horizontal slide rail 9 and 10 length direction phase of the first placing groove
Together, and horizontal slide rail 9 offsets with the first placing groove 10 far from the internal groove side wall of fixture 2.If being additionally provided with inside the first placing groove 10
Dry first limited block 11, and several first limited blocks 11 are uniformly distributed along 10 length direction of the first placing groove, the first limited block 11
It is connected by screw with the first railroad shoe 7.First limited block 11 offsets with the horizontal slide rail 9 inside the first placing groove 10 and will be horizontal
It is pressed on the first internal groove side wall of the placing groove 10 far from fixture 2 to sliding rail 9.
Second railroad shoe 8 is fixedly connected in rack 1 and the second railroad shoe 8 is parallel with the first railroad shoe 7.Second track
Distance is greater than the distance between the first railroad shoe 7 and fixture 2 between seat 8 and fixture 2, and the height of the second railroad shoe 8 is greater than the
The height of one railroad shoe 7.Be provided with the second placing groove 12 on second railroad shoe, 8 top surface, the length direction of the second placing groove 12 with
The length direction of second railroad shoe 8 is identical, and side wall of second placing groove 12 through the second railroad shoe 8 towards 2 side of fixture.
Second placing groove 12 is internally provided with horizontal slide rail 9, and internal groove side wall phase of the horizontal slide rail 9 with the second placing groove 12 far from fixture 2
It supports.Several second limited blocks 13 are also placed with inside second placing groove 12, and several second limited blocks 13 are along the second placing groove 12
Length direction is uniformly distributed, and the second limited block 13 is connected by screw with the second railroad shoe 8.Second limited block 13 and horizontal slide rail
9 offset close to the side wall of fixture 2 and horizontal slide rail 9 are pushed against inside the second placing groove 12.
Saddle 3 includes first support base 31 opposite with the first railroad shoe 7, second support opposite with the second railroad shoe 8
Seat 32, the connecting plate 33 being connected between the first support base 31 and the second support base 32, the installation being arranged on connecting plate 33
Seat 34.
First support base 31 includes the first pedestal 311 and first slide 312.First support base 31 is rectangular-shape and the
The length direction of one support base 31 is identical as the length direction of the first railroad shoe 7.First support base is provided with first on 31 bottom surface
Holding tank 14, the length direction of the first holding tank 14 is identical as the length direction of the first support base 31 and 14 both ends of the first holding tank
It extends through in the two sidewalls in 31 transverse direction of the first support base.Several first connections are equipped on first support base, 31 top surface
Stud 16, and the first connecting stud 16 protrudes from 14 internal groove side wall of the first holding tank.First slide 312 is arranged in the first holding tank 14
Inside, the lateral wall of first slide 312 and the internal groove side wall of the first holding tank 14 offset, and first slide 312 connect spiral shell with first
16 screw thread of column is connected.First slide 312 is connected with the sliding of horizontal slide rail 9 in the first railroad shoe 7.
Second support base 32 includes the second pedestal 321 and second slide 322.Second support base 32 is rectangular-shape and the
The length direction of two support bases 32 is identical as the length direction of the second railroad shoe 8.Second support base is provided with second on 32 bottom surface
Holding tank 15, the length direction of the second holding tank 15 is identical as the length direction of the second support base 32 and 15 both ends of the second holding tank
It extends through in the two sidewalls in 32 transverse direction of the second support base.Several second connections are equipped on second support base, 32 top surface
Stud 17, and the second connecting stud 17 protrudes from 15 internal groove side wall of the second holding tank.Second slide 322 is arranged in the second holding tank 15
Inside, the lateral wall of second slide 322 and the internal groove side wall of the second holding tank 15 offset, and second slide 322 connect spiral shell with second
17 screw thread of column is connected.Second slide 322 is connected with the sliding of horizontal slide rail 9 in the second railroad shoe 8.
Connecting plate 33 is inclined to set, and 33 one end of connecting plate is connected with 311 top of the first pedestal, the other end and First
The side wall of body 311 towards fixture 2 is connected.Mounting base 34 is fixedly connected on the top surface of connecting plate 33 and 34 top surface of mounting base and company
33 top surface of fishplate bar is parallel.
The number of longitudinal slide rail 4 is two and is arranged in parallel on 34 top surface of mounting base, longitudinal slide rail 4 and horizontal slide rail 9
It is perpendicular.Slide plate 5 is connected with the sliding of longitudinal slide rail 4 and the glide direction of slide plate 5 is the length direction of longitudinal slide rail 4.Flying knife
Frame 6 is connected by screw with slide plate 5 and the pivot center of circular cutter holder 6 is parallel with horizontal slide rail 9.
Specific use process is as follows for numerically-controlled machine tool: workpiece being put into inside scroll chuck 203 first, and workpiece is located at three
On dog chuck 203 between three clamping jaws, three clamping jaws controlled on scroll chuck 203 later are mobile towards workpiece side, until
Three clamping jaws offset simultaneously with workpiece and workpiece is clamped on three clamping jaws.Backward electro spindle 202 be powered so that electro spindle
202 drive scroll chucks 203 are rotated.Saddle 3 can be driven towards fixture 2 by control ball screw turns later
Side is mobile.When saddle 3 is moved to the cutter on circular cutter holder 6 and workpiece is located on same lateral position, control can be passed through
Another ball screw turns driving slide plate 5 is made to be moved downwards along 4 length direction of longitudinal slide rail.When on circular cutter holder 6
When workpiece on cutter and fixture 2 offsets, cutter starts to carry out machining to workpiece.
As shown in figure 1, figure 3 and figure 4, automatic feed mechanism 18 is additionally provided in rack 1, automatic feed mechanism 18 includes vertical
Column 181, crossbeam 182, bracket 183, transversal driving mechanism 184, vertical sliding rack 185, vertical driving mechanism 187, gripping body
186.Column 181 is fixedly connected on 1 top surface of rack, and the length direction of column 181 is vertical direction.The number of column 181
It is parallel to each other between two and two root posts 181.Crossbeam 182 be arranged on column 181 and crossbeam 182 simultaneously and two root posts
181 top is fixedly linked.The sliding of bracket 183 is connected on crossbeam 182, and the glide direction of bracket 183 is the length of crossbeam 182
Spend direction.Transversal driving mechanism 184 includes being arranged on 182 top surface of crossbeam and the first tooth identical with 182 length direction of crossbeam
Item 1841, is fixedly connected on support at the first gear 1842 for being rotatably connected on 183 inside of bracket and being meshed with the first rack gear 1841
The first motor 1843 being coaxially connected on 183 lateral wall of frame and with first gear 1842.The vertical sliding of sliding rack 185 is connected to support
Inside frame 183, and the glide direction of vertical sliding rack 185 is vertical direction.Attachment base is provided on vertical 185 bottom of sliding rack
19, and attachment base 19 is connected by screw with vertical sliding rack 185.The end face of attachment base 19 towards 2 side of fixture is inclined surface
20, and the spacing between inclined surface 20 and rack 1 is gradually increased towards 2 side of fixture.Vertical driving mechanism 187 includes that setting exists
On 185 lateral wall of vertical sliding rack and the second rack gear 1871 identical with vertical 185 length direction of sliding rack, setting are in bracket
The second motor 1872 inside 183 is co-axially located on 1872 output shaft of the second motor and is meshed with the second rack gear 1871
Second gear 1873.
Gripping body 186 includes rotary cylinder 1861, rotation seat 1862, pneumatic clamp 1863.Rotary cylinder 1861 wraps
Include the cylinder body 18611 being arranged on inclined surface 20 and turning end 18612.Cylinder body 18611 is rectangular-shape, and cylinder body 18611
Length direction it is parallel with inclined surface 20.Turning end 18612 is cylindric and is rotatably connected on cylinder body 18611 towards fixture 2
On the end face of side, the axis of turning end 18612 and inclined surface 20 are perpendicular.The vertical sectional shape of rotation seat 1862 is right angle three
It is angular, and the inclined-plane of rotation seat 1862 and the end face of turning end 18612 are fixedly linked.In the present embodiment, pneumatic clamp 1863
Three-jaw cylinder can be selected.Pneumatic clamp 1863 include be arranged on rotation seat 1862 gas seat 18631, sliding be connected to gas
Collet 18632 on seat 18631, the number of collet 18632 are three and the circumferentially battle array centered on the axial line of gas seat 18631
Column distribution.The number of pneumatic clamp 1863 is two and is separately positioned in the both ends of the surface being connected in rotation seat 1862, and two
A pneumatic clamp 1863 is mutually perpendicular to.
Specific use process is as follows for automatic feed mechanism 18: first opening first motor 1843, so that first motor
1843 output shaft is rotated.At the same time, the first gear 1842 being co-axially located on 1843 output shaft of first motor is opened
Begin to rotate, and first gear 1842 passes through the first rack gear 1841 being engaged with and bracket 183 is driven to be moved on crossbeam 182
It is dynamic.When the vertical sliding rack 185 on bracket 183 moves to the surface of workpiece, temporary close first motor 1843, so that support
The mobile stopping of frame 183.The second motor 1872 is opened later, so that 1872 output shaft of the second motor is rotated.It is same with this
When, the second gear 1873 being arranged on 1872 output shaft of the second motor is rotated, and second gear 1873 by nibbling therewith
The second rack gear 1871 closed drives vertical sliding rack 185 to be moved downwards.It is located at when pneumatic clamp 1863 moves to workpiece
When between three collets 18632, the second motor of temporary close 1872 first controls three collets 18632 towards gas seat later
18631 axial line sides are mobile, until three collets 18632 offset with workpiece lateral wall and workpiece is clamped at Pneumatic clamping
On part 1863.Control 1872 output shaft of the second motor of seat rotates backward later, so that being moved in 185 phase of vertical sliding rack.
Control 1843 output shaft of first motor rotates backward later, so that bracket 183 is moved closer to towards 2 side of fixture.
Embodiment two:
As shown in Figure 5, Figure 6, embodiment two and the difference of embodiment one are, the first railroad shoe 7 and the second railroad shoe 8
Accommodating groove 21 is provided on top surface, and the length direction of accommodating groove 21 is parallel to the first railroad shoe 7 and the second railroad shoe 8.
Several grooves 22 are provided on 21 internal groove side wall of accommodating groove, and groove 22 is vertically through the first railroad shoe 7 or the second railroad shoe 8
Top surface.Several grooves 22 are uniformly divided into two groups and are symmetrically distributed on the internal groove side wall of 21 two sides of accommodating groove, and groove 22 is along receipts
The length direction of slot 21 received is uniformly distributed.
Articulated slab 23 is hinged with inside groove 22, and the rotation axis of articulated slab 23 is parallel with accommodating groove 21.Articulated slab 23
Supporting plate 24 and conflict block 25 are provided on towards the end face of accommodating groove 21.Articulated slab 23 is arranged in close to rack 1 in supporting plate 24
On end, and supporting plate 24 and articulated slab 23 are perpendicular.Conflict block 25 is arranged on end of the articulated slab 23 far from rack 1, contradicts
Block 25 is hemispherical, and the big end of conflict block 25 is fixedly linked with articulated slab 23.
Spring 26 is additionally provided with inside groove 22,26 one end of spring is connected with articulated slab 23 away from the end face of accommodating groove 21,
The other end is connected with 22 internal groove side wall of groove, and spring 26 is used to apply pulling force to articulated slab 23, so that being provided on articulated slab 23
The end of supporting plate 24 is towards being moved on the outside of accommodating groove 21.
When needing to be installed to horizontal slide rail 9 in first railroad shoe 7 or the second railroad shoe 8, first by horizontal slide rail 9
It is carried to 8 top of the first railroad shoe 7 or the second railroad shoe, and horizontal slide rail 9 and accommodating groove 21 are opposite.Later by horizontal slide rail
9 are placed into inside accommodating groove 21, and during horizontal slide rail 9 is mobile, horizontal slide rail 9 offsets with supporting plate 24 and applies to supporting plate 24
Plus-pressure, so that supporting plate 24 drives articulated slab 23 to rotate towards 21 slot bottom side of accommodating groove.During articulated slab 23 rotates,
Spacing between conflict block 25 and horizontal slide rail 9 is gradually reduced.When conflict block 25 and horizontal slide rail 9 offset, conflict block 25 is opened
Begin to apply pressure to 9 side wall of horizontal slide rail.And in the use process of the numerically-controlled machine tool, saddle 3, which applies horizontal slide rail 9, is pressed
Power, so that horizontal slide rail 9 is under pressure towards mobile a certain distance inside accommodating groove 21.In horizontal slide rail 9 towards receipts
Receive carry out inside slot 21 it is mobile during, the pressure that conflict block 25 applies horizontal slide rail 9 gradually increases, so that horizontal slide rail
9 and the first connection between railroad shoe 7 or the second railroad shoe 8 become more stable, to guarantee horizontal slide rail 9 in the numerical control machine
It is not easy to separate with the first railroad shoe 7 or 8 phase of the second railroad shoe in the use process of bed.And it is needing to carry out horizontal slide rail 9
When replacement, it is only necessary to which applying pulling force to horizontal slide rail 9 more convenient can remove horizontal slide rail 9, so that horizontal slide rail 9 is more
The process of changing becomes more convenient, quick.
The above is only exemplary embodiment of the invention, protection scope and is not intended to limit the present invention, this hair
Bright protection scope is determined by the attached claims.
Claims (8)
1. a kind of numerically-controlled machine tool, including rack (1), fixture (2) on rack (1) for being clamped to workpiece is set, sliding
Saddle (3) that shifting is connected on rack (1), the longitudinal slide rail (4) being arranged on saddle (3), sliding are connected to longitudinal slide rail (4)
On slide plate (5), circular cutter holder (6) on slide plate (5) is set, it is characterized in that: being arranged in parallel in the rack (1) close
The first railroad shoe (7) of fixture (2) and second railroad shoe (8) of separate fixture (2) side, and the second railroad shoe (8) is higher than
First railroad shoe (7) is respectively provided on first railroad shoe (7) and the second railroad shoe (8) perpendicular with longitudinal slide rail (4)
Horizontal slide rail (9), saddle (3) sliding are connected between the first railroad shoe (7) and the second railroad shoe (8);
First railroad shoe (7) is provided with the first placing groove (10) for placing horizontal slide rail (9), and the first placing groove
(10) it through the side wall of the first railroad shoe (7) side, is provided at the first placing groove (10) slot bottom for by lateral cunning
Rail (9) is pushed against the first limited block (11) at the first placing groove (10) cell wall, and the first limited block (11) passes through screw and the
One railroad shoe (7) is connected, and the second placing groove (12) for placing horizontal slide rail (9) is provided on second railroad shoe (8),
And second placing groove (12) through the side wall of the second railroad shoe (8) side, be provided on the second placing groove (12) cell wall
The second limited block (13) for being pushed against horizontal slide rail (9) at the second placing groove (12) cell wall, and the second limited block (13)
It is connected by screw with the second railroad shoe (8).
2. numerically-controlled machine tool according to claim 1, it is characterized in that: the saddle (3) includes and cross on the first railroad shoe (7)
Second to be connected is slid to connected the first support base (31) of sliding rail (9) sliding, with horizontal slide rail (9) on the second railroad shoe (8)
Support base (32), is arranged in connecting plate the connecting plate (33) being connected between the first support base (31) and the second support base (32)
(33) mounting base (34) on.
3. numerically-controlled machine tool according to claim 2, it is characterized in that: first support base (31) includes the first pedestal
(311) and it is arranged on the first pedestal (311) and slides the first slide (312) that is connected with horizontal slide rail (9), described first
The first holding tank (14) for installing first slide (312) is provided on pedestal (311), second support base (32) includes
Second pedestal (321) and the second slide (322) for being arranged on the second pedestal (321) and being connected with horizontal slide rail (9) sliding,
The second holding tank (15) for installing second slide (322) is provided on second pedestal (321).
4. numerically-controlled machine tool according to claim 3, it is characterized in that: being provided with several be used on first pedestal (311)
The first connecting stud (16) being threadedly coupled with first slide (312), be provided on second pedestal (321) it is several for
The second connecting stud (17) that second slide (322) is threadedly coupled.
5. numerically-controlled machine tool according to claim 1, it is characterized in that: further include automatic feed mechanism (18), it is described it is automatic on
Expect that mechanism (18) include the column (181) being arranged on rack (1), the crossbeam (182) being arranged on column (181) top, slide
The bracket (183) that shifting is connected on crossbeam (182), the transversal driving mechanism (184) for driving bracket (183) to be slid,
It slides the vertical sliding rack (185) being connected on bracket (183), be arranged on vertical sliding rack (185) for clamping workpiece
Gripping body (186), the vertical driving mechanism (187) for driving vertical sliding rack (185) to slide.
6. numerically-controlled machine tool according to claim 5, it is characterized in that: the vertical sliding rack (185) is close to rack (1) side
Be provided with attachment base (19), and attachment base (19) towards the end face of fixture (2) be inclined surface (20), the gripping body (186)
Including being arranged in the rotation seat of rotary cylinder (1861), setting in rotary cylinder (1861) turning end on inclined surface (20)
(1862), the pneumatic clamp (1863) being arranged on rotation seat (1862), the number of the pneumatic clamp (1863) is at least
It is two.
7. numerically-controlled machine tool according to claim 1, it is characterized in that: first railroad shoe (7) and the second railroad shoe (8)
On be provided with accommodating groove (21) for placing horizontal slide rail (9), be symmetrically distributed on (21) two internal groove side wall of accommodating groove several
Groove (22), and groove (22) is through the top surface of the first railroad shoe (7) or the top surface of the second railroad shoe (8), the groove
(22) internal to be hinged with articulated slab (23), it is provided on articulated slab (23) side wall for offseting with horizontal slide rail (9) bottom surface
Supporting plate (24), for the conflict block (25) that offsets with horizontal slide rail (9) side wall.
8. numerically-controlled machine tool according to claim 7, it is characterized in that: setting and groove (22) inside groove on the articulated slab (23)
The connected spring (26) of wall, and spring (26) is for pulling articulated slab (23) to rotate away from groove (22) slot bottom side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006028.4A CN108145451B (en) | 2018-01-03 | 2018-01-03 | Numerically-controlled machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006028.4A CN108145451B (en) | 2018-01-03 | 2018-01-03 | Numerically-controlled machine tool |
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| Publication Number | Publication Date |
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| CN108145451A CN108145451A (en) | 2018-06-12 |
| CN108145451B true CN108145451B (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810006028.4A Active CN108145451B (en) | 2018-01-03 | 2018-01-03 | Numerically-controlled machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976957B (en) * | 2021-11-19 | 2022-06-14 | 中国科学院合肥物质科学研究院 | Milling device for assembling vacuum chamber of fusion reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205817305U (en) * | 2016-06-26 | 2016-12-21 | 石作林 | A kind of Double end digital control lathe |
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| CN108145451A (en) | 2018-06-12 |
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