CN108081006A - Tool changing efficiently machining center - Google Patents
Tool changing efficiently machining center Download PDFInfo
- Publication number
- CN108081006A CN108081006A CN201711422190.6A CN201711422190A CN108081006A CN 108081006 A CN108081006 A CN 108081006A CN 201711422190 A CN201711422190 A CN 201711422190A CN 108081006 A CN108081006 A CN 108081006A
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- shaft
- tool magazine
- spindle box
- swing arm
- main spindle
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- 238000005452 bending Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 12
- 238000005304 joining Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims description 2
- 239000012634 fragment Substances 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 12
- 238000003754 machining Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15526—Storage devices; Drive mechanisms therefor
- B23Q3/15534—Magazines mounted on the spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15553—Tensioning devices or tool holders, e.g. grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15526—Storage devices; Drive mechanisms therefor
- B23Q2003/15527—Storage devices; Drive mechanisms therefor the storage device including means to latch tools
Abstract
The present invention relates to a kind of tool changing efficiently machining centers, including the main spindle box set in rack and rack, the shaft end that main shaft is stretched out from main spindle box is provided with the cutter holder of clamping cutter A, swing arm is provided between main spindle box and rack, there is the cooperation of the keying pull rod of bayonet and cutter holder in swing arm lower end, against cooperation, swing arm is hinged on for pole shape and bending place on main spindle box for swing arm upper end and the folder knife master cam plate that is arranged in rack.The keying backward stick action that wobbling action drives cutter holder is done in swing arm, and cutter holder implements on-off action clamping cutter and departs from tool magazine or loosen cutter and be placed on tool magazine, and the present invention is not only simple in structure, and responding fast, reliable in action.
Description
Technical field
The present invention relates to automated machine tools, are especially the lathe tool changing technology with tool magazine.
Background technology
Machining center (Computerized Numerical Control Machine) abbreviation cnc, is by mechanical equipment
With the high-efficiency automatic lathe suitable for workpieces processing of digital control system composition.Machining center has tool magazine, has and moves certainly
Knife function is the numerically-controlled machine tool to carrying out multistage manufacturing processes after workpiece clamped one time.Machining center is height electromechanical integration
Product, after clamping workpiece, digital control system can control lathe to be automatically selected by different processes, replace cutter, automatic tool preset, change automatically
Become the speed of mainshaft, amount of feeding etc., the working procedures such as brill, boring, milling, hinge, tapping can be continuously finished, thus greatly reduce workpiece dress
The aided processes times such as time, measurement and setting for machine are pressed from both sides, more complicated to machining shape, required precision is higher, variety renovation
Frequent part has good economic effect.
In the NC machine tools with automatic tool changer with tool magazine, to realize automatic loading and unloading of the cutter on main shaft, main shaft must
The automatic clamping mechanism of cutter must be designed with.As set tool clamp mechanism, knife on the vertical drilling and milling of automatic tool changer, boring spindle
Folder is positioned with the taper shank of appropriate taper in the taper hole of front-end of spindle, and the blind rivet by being tightened in taper shank afterbody is tensed in taper hole
In.What the clamping opening opening and closing movement of cutter holder was realized by the displacement of the pull rod or trombone slide that are connected with main shaft same core socket joint type, existing skill
In art, drive the clamping opening opening and closing movement of cutter holder pull rod or trombone slide by spring, oil or cylinder and piston, oil or gas circuit control unit
The labyrinth that components is waited to form gathers position signal integrated treatment, control together in conjunction with the sensor of relevant position arrangement,
It drives the mechanism that the clamping opening of cutter holder opens and closes complicated, involves great expense；Furthermore the tool magazine for depositing cloth cutter provides sets of transmission mechanism connection for oneself
On tool magazine stent, for main shaft when implementing stock removal action, tool magazine is displaced to main shaft and cutter holder side, it is necessary to tool changing by transmission mechanism
When tool magazine be indexed at the corresponding position of cutter holder, tool magazine is usually annular frame, elastic card arrangement annular frame peripheral part, ring
The frame face of shape frame is vertical with main shaft, the tool magazine and tool magazine indexing mechanism of said structure take up space big, tool changing when indexable area
Domain is big, not only increases equipment volume, and but also equipment greatly increases, in addition, said structure necessarily causes tool changing efficiency
Lowly.
The content of the invention
The object of the present invention is to provide a kind of tool changing efficiently machining centers, it is intended to improve the opening and closing movement response of cutter holder
Promptness and reliability.
For achieving the above object, present invention employs following technical schemes：A kind of tool changing efficiently machining center, bag
The main spindle box set on including rack and rack is connected with the spindle motor of drive shaft rotation on main spindle box, and main spindle box is by dragging
The direction movement that guide rail in mechanism drives edge rack limits, the shaft end that main shaft is stretched out from main spindle box are provided with clamping cutter A
Cutter holder, it is characterised in that：Swing arm is provided between main spindle box and rack, the keying pull rod that there are bayonet and cutter holder in swing arm lower end is matched somebody with somebody
It closes, against cooperation, swing arm is hinged on for pole shape and bending place for swing arm upper end and the folder knife master cam plate that is arranged in rack
On main spindle box.
Above-mentioned technical proposal has the technical effect that following aspect：Tool magazine assembly reaches the position that main shaft implements tool changing
Place is put, the keying backward stick action that wobbling action drives cutter holder is done in swing arm, and cutter holder implements on-off action clamping cutter and departs from tool magazine
Or cutter is loosened and is placed on tool magazine, the action of cutter holder relies only on matching somebody with somebody for swing arm and the folder knife master cam plate in rack
Conjunction can be realized, this simple mechanical structure is not only simple in structure, and responding fast, reliable in action.
Description of the drawings
Fig. 1,2,3,4 are the dimensional structure diagrams of the present invention, and wherein Fig. 2,3 are to have dismantled spring 80, are dismantled in Fig. 4
Main spindle box 20；
Fig. 5 is the side view dismantled after cutting tool assembly；
Fig. 6 is the dimensional structure diagram at the back side of cutting tool assembly；
Fig. 7 is the stereochemical structure of master cam plate 50；
Fig. 8 is the dimensional structure diagram of the mechanism for opening/closing of cutter holder 31 on main shaft；
Fig. 9 is the dimensional structure diagram of tool changing position state in the present invention；
Figure 10 is the left view of Fig. 9.
Specific embodiment
With reference to Fig. 1,2,3,4, efficiently machining center includes the main spindle box 20 set in rack 10 and rack 10 for tool changing, main
The spindle motor 21 of the rotation of drive shaft 30 is connected on axle box 20, main spindle box 20 is by leading in tractor drives edge rack 10
The direction movement that rail 11 limits, the shaft end that main shaft 30 is stretched out from main spindle box 20 is provided with the cutter holder 31 of clamping cutter A, main spindle box
Swing arm 60 is provided between 20 and rack 10,60 lower end of swing arm has bayonet 63 and the keying pull rod 32 of cutter holder 31 to coordinate, swing arm 60
Upper end and the folder knife master cam plate 70 that is arranged in rack 10 against cooperation, swing arm 60 is hinged on for pole shape and bending place
On main spindle box 20.Swing arm 60 around articulated shaft rotate when, swing arm 60 is swung with its lower end while 20 synchronizing moving of main spindle box, and is driven
The opening and closing movement for opening and closing the action of pull rod 32 and implementing cutter holder 31 of moving knife folder 31.
In said program, the tractor that main spindle box 20 is made of feed screw nut's sliding block drives, nut slider and main spindle box
20 are connected, and sliding block coordinates simultaneously with guide rail 11.
In order to ensure the keying of cutter holder 31, ensure the action moment of swing arm 60 by setting cam mechanism, press from both sides knife profiling
Lobe plate 70 is coplanar for the plate and plate face and main shaft 30 of vertical, and it is imitative that 30 edges of boards of main shaft are closed on master cam plate 70
Shape cam side 71, the epimere on master cam side 71 is the straight flange parallel with main shaft 30, hypomere is bevel edge, the upper end of bevel edge section and master
30 spacing of axis is near, lower end and 30 spacing of main shaft are remote, and the lower end of straight flange is postponed with the upper end of bevel edge to be connected.
The scheme being more highly preferred to, which is that the idler wheel 61 of the master cam side 71 and 60 upper end of swing arm is formed, rolls cooperation,
Swing arm 60 is hinged on by articulated shaft 62 on main spindle box 20, and the bayonet 63 of 60 lower end of swing arm is U-shaped, and the prong of bayonet 63, which encloses, to be put in master
It is hinged on the casing 64 being arranged on axis 30 and by axis pin 65, the shaft core of the idler wheel 61, articulated shaft 62 and axis pin 65 is mutually flat
It goes and in horizontal plane.
In said program, swing arm 60 is moved with main spindle box 20 and idler wheel 61 is contacted with the straight flange of the epimere on master cam side 71
When, swing arm 60 is rotated around articulated shaft 62, and 60 bayonet 63 of swing arm at this time is in the next state, and cutter holder 31 is in opening state, at this time
It can complete the preparation state unloaded knife, press from both sides knife；When cutter A is in the clamp mouth part of cutter holder 31, swing arm 60 moved down with main spindle box 20 and
When idler wheel 61 is contacted with the bevel edge of 71 hypomere of master cam side, swing arm 60 is rotated around articulated shaft 62, at 60 bayonet 63 of swing arm at this time
In upper state, cutter holder 31 is in clamping state clamp-on tool A, and cutting feed can be completed when continuing to move down in main spindle box 20.
Due to the requirement of the upper and lower displacement stroke of main spindle box 20, simultaneously because the location of folder knife master cam plate 70 will
It asks at the passage that it is in rack 10, which supplies 22 upper and lower displacement of sliding block being connected with main spindle box 20 to be used, on sliding block 22
There is the leading screw and nut mechanism that nut is formed with screw 12 to be moved up and down to drag main spindle box 20, so this requires folder knife profiling is convex
The lower end that the size of the vertical direction of wheel plate 70 should not be too large i.e. folder knife master cam plate 70 should not be too low, otherwise knife master cam
Plate 70 can interfere phenomenon with sliding block 22.In order to avoid the appearance of above-mentioned interference phenomenon, the lower end of folder knife master cam plate 70
Position is relatively high, and idler wheel 61 and the hypomere lower end on master cam side 71 are divided each other when main spindle box 20 moves down into specific location
From once occurring, swing arm 60 will turn to idler wheel 61 around articulated shaft 62 and deviated to the direction away from main shaft 30 such case, work as master
When axle box 20 moves up, idler wheel 61 will be unable to arrive at the rolling mated condition combined with the lower end of 71 hypomere of master cam side,
I.e. idler wheel 61 will be in the location status interfered with master cam side 71, during to ensure that main shaft 30 is moved down with main spindle box 20
Feed stroke, while ensure that idler wheel 61 can also be restored to rolling cooperation with master cam side 71 when main shaft 30 is moved up with main spindle box 20
State remains to keep the solution of 60 posture of swing arm, that is, puts after the present invention provides idler wheel 61 and master cam side 71 departing from
There is /V bar 23 at the back side of arm 60, and /V bar 23 is arranged on main spindle box 20, and 23 middle part of /V bar is connected with fine tuning spiral shell
There is the back side of block 232 and swing arm 60 on bolt 231, the head of trimming bolt 231 against cooperation, is set between swing arm 60 and main spindle box 20
There is limit spring, limit spring is being not shown in figure, and limit spring provides elastic force and drives swing arm 60 to block 232 and master cam
The place side on side 71 rotates, the back of the body of swing arm 60 when the idler wheel 61 of 60 upper end of swing arm is combined with the lower end on master cam side 71
Face and block 232 are against cooperation.
Said program solves idler wheel 61 and after the lower end disengaging on master cam side 71, the displacement path of idler wheel 61 is vertical
To straight line, idler wheel 61 and 71 will have no deviation again during master cam when idler wheel 61 rises to lower end of the master cam while 71
It is restored to rolling mated condition.
The present invention provides not only the driving mechanism of the keying pull rod 32 of cutter holder 31, additionally provides the quick indexing of tool magazine 40
Scheme, detailed description below.
Tool magazine assembly 40 is whole in cone plate-like, and tool magazine assembly 40 includes peviform knife rest 41, the basin edge of peviform knife rest 41
The cutter bayonet 411 of elastic opening shape is laid with, with reference to Fig. 6, is equipped at the cutter bayonet 411 of the lowest order shown in Fig. 6
The ailhead a of cutter A, cutter A upward, the state for rigid connection by cutter or it is standby with regard to cutter the cutter holder 31 of main shaft 30 is waited to clamp so as to
Tool changing, tool magazine stent 42 is disposed at the basin mouth of peviform knife rest 41 and the two forms the cooperation rotated around the first revolution shaft core 423
Connection, the electricity that the first revolution shaft core 423 is connected perpendicular to the basin bottom of peviform knife rest 41 and on basin bottom center, tool magazine stent 42
Machine is connected with the shaft on peviform knife rest 41, and the shaft core of the shaft forms the first revolution shaft core 423, and shaft is not shown in Fig. 6,
The axis hole 44 of installation shaft is illustrated only, the first revolution shaft core 423 is overlapped with axis hole 44, tool magazine stent 42 and rack 10
It is hinged by the second articulated shaft 421, the second articulated shaft 421 is arranged respectively with 30 shaft core of main shaft, the first revolution shaft core spacing, the second hinge
Spindle 421 and 30 shaft core of main shaft, the first revolution shaft core institute coplanar orthogonal, cam is provided between tool magazine stent 42 and main spindle box 20
Mechanism coordinates, and cam mechanism driving tool magazine assembly 40 is swung around the second articulated shaft 421, tool magazine assembly 40 when tool magazine assembly 40 is swung
On cutter A at main shaft 30 on 31 face of cutter holder or deviation position at.I.e. in the present invention, tool magazine assembly 40 and rack 10
Upper end is articulated and connected, and tool magazine assembly 40 arranges that tool magazine assembly 40 is in tool changing close to main spindle box 20 and main shaft 30 in suspension type posture
Indexable path is small between position and tool changing wait position, and actually tool magazine assembly 40 waits indexable angle between position in tool changing position and tool changing
Only 30~40 °, response is very quick, reliable, can be realized using gravity, elastic force and purely mechanic cam mechanism when indexable,
It is driven without Electric Traction mechanism, energy-saving effect is notable.
Preferred embodiment is, vertical, 10 top of rack are set along the vertical direction for the rack 10 and guide rail 11 thereon
Mounting bracket 13 is put, the suspension end of mounting bracket 13 sets hinge hole 133, there is shaft stool 422 on tool magazine stent 42, and second is hinged
Axis 421 is arranged on shaft stool 422 and is formed with hinge hole 133 and is hingedly rotatably assorted, and shaft stool 422 is on tool magazine assembly 40
Portion edge is set, 40 lower edges of tool magazine assembly are in free pendulum state, and spring is connected between rack 10 and tool magazine stent 42
80, spring 80, which provides elastic force, drives tool magazine assembly 40 to be rotated around the second articulated shaft 421 to 30 one side of main shaft.The setting of spring 80 is just
It is that the free pendulum of 40 lower edges of tool magazine assembly is allowed to suffer restraints, it is ensured that cam mechanism is in mated condition, so as to ensure knife
Storehouse assembly 40 is in appropriate location.
In order to ensure that the position of tool magazine assembly 40 is appropriate and is reliably connected, as shown in Fig. 2,5, it is preferable that suspension
Stent 13 includes two suspension bars 131, and one end of two suspension bars 131 is fixed on 10 top of frame, the suspension end connection of two suspension bars 131
There is cross bar 132, hinge hole 133 is laid on cross bar 132, the unobstructed area up and down that mounting bracket 13 surrounds forms main spindle box 20 and master
Spindle motor 21 moves access.This ensure that associated supports component interference main spindle box 20 is avoided under the hanging state of tool magazine assembly 40
And spindle motor 21 move be normally carried out.
With reference to Fig. 7,9, the cam mechanism between main spindle box 20 and tool magazine assembly 40 includes being arranged on imitative on main spindle box 20
Shape lobe plate 50, master cam plate 50 towards tool magazine assembly 40 edges of boards for cam profiling side 51, the tool magazine branch of tool magazine assembly 40
Idler wheel 43 is set to be formed with cam profiling side 51 on frame 42 and rolls cooperation, revolution shaft core and 30 shaft core of main shaft, first of idler wheel 43
Turn round shaft core institute coplanar orthogonal.
Specific preferred embodiment is that the cam profiling side 51 of master cam plate 50 includes the straight flange 511 of hypomere and the song of epimere
Line side 512, the upper end of straight flange 511 and the lower end of curved side 512 are postponed linking, between 511 and second articulated shaft 421 of straight flange away from
From less than the distance between 512 and second articulated shaft 421 of curved side, the second articulated shaft when a high position is moved on on master cam plate 50
421 are in the middle and lower sections position of curved side 512.The curved side 512 is from being from bottom to top curvature half with 511 joining place of straight flange
Footpath is changed from small to big, and the middle epimere of curved side 512 is held substantially flat shape.
In combination with Fig. 1, spring 80 is tension spring, and its one end is connected to 43 proximity of idler wheel, the other end is connected to rack 10
Top, spring 80 are located at the position of 20 outside side of main spindle box.Structure shown in figure is that the upper end of spring 80 is connected to two
The bearing 132 that 131 middle part of bar is set is suspended, the elastic force direction that spring 80 so arranged provides is conducive to drive tool magazine assembly 40
It rotates, and its length can be reduced.
With reference to Fig. 9, in said program, spring 80 provides the idler wheel 43 that elastic force ensures to set on tool magazine stent 42 and is imitated with cam
Shape side 51 contacts always, and when main spindle box 20 moves up and down, the two, which is formed, rolls cooperation, is to change when idler wheel 43 is contacted with straight flange 511
Knife working position, when main spindle box 20 moves from top to bottom, idler wheel 43 contacts and upward from 512 lower end of curved side with curved side 512
Roll, this for tool magazine assembly 40 to away from main shaft 30 direction deflect avoid, the curved side 512 from 11 joining place of straight flange
Change from small to big from bottom to top for radius of curvature and, the middle epimere of curved side 512, which is held substantially flat shape shape, can ensure tool magazine
Assembly 40 was rapidly directed away from main shaft 30 before this, and when then ensureing that idler wheel 43 is contacted with the middle epimere of curved side 512,30 feed of main shaft is cut
It cuts.In 30 normal feed working angles of main shaft, the motor driving peviform knife rest 41 on tool magazine 40 turns to the cutter of no cutter A
Bayonet 411 is in lowest order and connects knife, tool changing process so as to next, is not shown in figure motor and forms the first revolution shaft core 423
Shaft.
Claims (10)
1. a kind of tool changing efficiently machining center, including the main spindle box (20) set in rack (10) and rack (10), main spindle box
(20) spindle motor (21) of drive shaft (30) rotation is connected on, main spindle box (20) is by tractor drives edge rack (10)
On the direction movement that limits of guide rail (11), the shaft end that main shaft (30) is stretched out in the main spindle box (20) is provided with clamping cutter A's
Cutter holder (31), it is characterised in that：Swing arm (60) is provided between main spindle box (20) and rack (10), there is bayonet in swing arm (60) lower end
(63) coordinate with the keying pull rod of cutter holder (31) (32), swing arm (60) upper end and the folder knife master cam being arranged in rack (10)
Plate (70) is hinged on for pole shape and bending place on main spindle box (20) against cooperation, swing arm (60).
2. tool changing according to claim 1 efficiently machining center, it is characterised in that：It is vertical to press from both sides knife master cam plate (70)
The plate and plate face and main shaft (30) of formula arrangement are coplanar, and main shaft (30) edges of boards are closed on master cam plate (70) for master cam
Side (71), the epimere of master cam side (71) is the straight flange parallel with main shaft (30), hypomere is bevel edge, the upper end of bevel edge section and master
Axis (30) spacing is near, lower end and main shaft (30) spacing are remote, and the lower end of straight flange is postponed with the upper end of bevel edge to be connected.
3. tool changing according to claim 2 efficiently machining center, it is characterised in that：The master cam side (71) with
The idler wheel (61) of swing arm (60) upper end, which is formed, rolls cooperation, and swing arm (60) is hinged on by articulated shaft (62) on main spindle box (20), is put
The bayonet (63) of arm (60) lower end be U-shaped, the prong of bayonet (63) enclose put on the casing (64) being arranged on main shaft (30) and by
Axis pin (65) is hinged, and the shaft core of the idler wheel (61), articulated shaft (62) and axis pin (65) is mutually parallel and in horizontal plane.
4. tool changing according to claim 3 efficiently machining center, it is characterised in that：There is limiting block at the back side of swing arm (60)
Bar (23), /V bar (23) are arranged on main spindle box (20), and trimming bolt (231) is connected in the middle part of /V bar (23), micro-
Adjusting the head of bolt (231) has the back side of block (232) and swing arm (60) against cooperation, between swing arm (60) and main spindle box (20)
Equipped with limit spring, limit spring, which provides elastic force, drives swing arm (60) to be rotated to side where block (232), the swing arm (60)
The back side of swing arm (60) and block (232) are against cooperation when the idler wheel (61) of upper end is combined with the lower end of master cam side (71).
5. tool changing according to claim 1 or 2 or 3 or 4 efficiently machining center, it is characterised in that：Tool magazine assembly (40)
Whole is in cone plate-like, and tool magazine assembly (40) includes peviform knife rest (41), tool magazine stent is disposed at the basin mouth of peviform knife rest (41)
(42) and the two forms the mating connection rotated around the first revolution shaft core (423), and the first revolution shaft core (423) is perpendicular to peviform knife
The basin bottom of frame (41) and the motor connected on basin bottom center, tool magazine stent (42) and the shaft phase on peviform knife rest (41)
Even, the shaft core of the shaft forms the first revolution shaft core (423), and tool magazine stent (42) is with rack (10) by the second articulated shaft
(421) hinged, respectively with main shaft (30) shaft core, first revolution shaft core (423) spacing arrangement, second cuts with scissors the second articulated shaft (421)
Spindle (421) and main shaft (30) shaft core, first revolution shaft core (423) institute coplanar orthogonal, tool magazine stent (42) and main spindle box (20)
Between be provided with cam mechanism cooperation, cam mechanism driving tool magazine assembly (40) around the second articulated shaft (421) swing, tool magazine assembly
(40) cutter A when swinging on tool magazine assembly (40) is at cutter holder (31) face or deviation position on main shaft (30).
6. tool changing according to claim 5 efficiently machining center, it is characterised in that：The rack (10) and thereon
Vertical, rack (10) top set mounting bracket (13), the suspension end of mounting bracket (13) to guide rail (11) along the vertical direction
Hinge hole (133) is set, has shaft stool (422) on tool magazine stent (42), the second articulated shaft (421) is arranged on shaft stool (422)
It above and with hinge hole (133) composition is hingedly rotatably assorted, shaft stool (422) is set close to tool magazine assembly (40) upper edge edge, knife
Storehouse assembly (40) lower edges are in free pendulum state, and spring (80), bullet are connected between rack (10) and tool magazine stent (42)
Spring (80), which provides elastic force, drives tool magazine assembly (40) to be rotated around the second articulated shaft (421) to main shaft (30) one side.
7. tool changing according to claim 6 efficiently machining center, it is characterised in that：Mounting bracket (13) includes two suspensions
Bar (131), one end of two suspension bars (131) are fixed at the top of frame (10), and the suspension end of two suspension bars (131) is connected with cross bar
(132), hinge hole (133) is laid on cross bar (132), the unobstructed area up and down that mounting bracket (13) surrounds forms main spindle box (20)
And spindle motor (21) moves access.
8. tool changing according to claim 5 or 6 or 7 efficiently machining center, it is characterised in that：Main spindle box (20) and tool magazine
Cam mechanism between assembly (40) includes the master cam plate (50) being arranged on main spindle box (20), master cam plate (50) face
It is cam profiling side (51) to the edges of boards of tool magazine assembly (40), idler wheel (43) is set on the tool magazine stent (42) of tool magazine assembly (40)
It is formed with cam profiling side (51) and rolls cooperation, revolution shaft core and main shaft (30) shaft core, the first revolution shaft core institute of idler wheel (43)
Coplanar orthogonal.
9. tool changing according to claim 8 efficiently machining center, it is characterised in that：The cam of master cam plate (50) is imitated
The straight flange (511) on shape side (51) including hypomere and the curved side (512) of epimere, the upper end of straight flange (511) and curved side (512)
Lower end is postponed linking, and the distance between straight flange (511) and the second articulated shaft (421) are less than curved side (512) and the second articulated shaft
The distance between (421), the second articulated shaft (421) is in curved side (512) when moving on to a high position on master cam plate (50)
Lower fragment position, the curved side (512) from changing from small to big from bottom to top for radius of curvature with straight flange (511) joining place and, it is bent
The middle epimere on line side (512) is held substantially flat shape.
10. tool changing according to claim 9 efficiently machining center, it is characterised in that：Spring (80) be tension spring, its one end
Be connected to idler wheel (43) proximity, the other end is connected to rack (10) top, spring (80) is located at the external side of main spindle box (20)
Position at.
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| CN201711422190.6A CN108081006A (en) | 2017-12-25 | 2017-12-25 | Tool changing efficiently machining center |
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| CN201711422190.6A CN108081006A (en) | 2017-12-25 | 2017-12-25 | Tool changing efficiently machining center |
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| CN108081006A true CN108081006A (en) | 2018-05-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531223A (en) * | 2018-12-26 | 2019-03-29 | 孟令许 | A kind of tool changing die device for milling machine |
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