CN107107292B - Numerical control machine tool changer - Google Patents
Numerical control machine tool changer Download PDFInfo
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- CN107107292B CN107107292B CN201480084092.4A CN201480084092A CN107107292B CN 107107292 B CN107107292 B CN 107107292B CN 201480084092 A CN201480084092 A CN 201480084092A CN 107107292 B CN107107292 B CN 107107292B
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- cutterhead
- knife
- forging
- machine tool
- numerical control
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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
- 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
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention discloses a kind of numerical control machine tool changers, including this body support frame (1), cutterhead (5) and broach shell (6) positioned at this body support frame (1) side, and it is located at the index unit (34) and unit of forging a knife (2) of this body support frame (1) other side；Broach shell (6) is located at the circumferential part of cutterhead (5), is rotatably connected with cutterhead (5), and cutterhead (5) is equipped with and forges a knife mouth (51)；Index unit (34), which rotates the broach shell chosen (6) to unit of forging a knife (2) with movable knife disc (5), carries out the place that forges a knife, and unit of forging a knife (2) can apply radial force to the broach shell (6) for being located at mouth (51) of forging a knife；Index unit (34) includes servo motor (3) and retarder (4), and retarder (4) one end axially supports cutterhead (5), and the other end is connect with servo motor (5).Numerical control machine tool changer supports the rotation and positioning of cutterhead (5) using having many advantages, such as servo motor (3) and retarder (4) that reaction speed is fast, precision is high, so that magazine tool structure form is simple, reaction speed is fast, rotary index precision is high.
Description
Technical field
The present invention relates to tool magazine fields, more particularly to a kind of numerical control machine tool changer.
Background technique
With the development of science and technology, numerically-controlled machine tool becomes the nowadays common tool of production and processing industries.And wherein, move certainly
Knife numerically-controlled machine tool mostly uses tool magazine formula automatic tool changer.Automatic tool changer with tool magazine is by tool magazine and Tool changeover mechanism group
At it is most widely used cutter replacing method on multi-process numerically-controlled machine tool.
Exchanging knives process is complex, first the knife for needing whole cutters to be used to be separately mounted to standard in process
On handle, after carrying out size pre-adjustment outside machine, it being put into tool magazine in a certain way, when tool changing, first carries out selecting knife in tool magazine,
And cutter is taken out from tool magazine and main shaft by Tool changeover device.After carrying out Tool changeover, new cutter is packed into main shaft,
Old cutter puts back to tool magazine.The tool magazine of storing knifes has biggish capacity, its both mountable side or top in spindle box,
It can be used as separate part to be installed to other than lathe.
Tool magazine includes direct-row tool magazine, circular tool magazine and magazine etc..Existing numerical control machine tool changer generally uses this
Body support frame supports cutterhead by the rotation support unit of cutterhead shaft, bearing, shaft-cup composition jointly；Broach shell is uniformly mounted on cutterhead
Periphery, and with cutterhead rotary motion；Cutter plate driver cam pack, rotating electric machine, single pole bearing collectively constitute rotary unit module,
The rotation to cutterhead is completed to drive；Close to sensor block, close switch, rotation counting unit is collectively constituted close to switch bracket, it is complete
The rotation counting and brake function of pairs of cutterhead；Cylinder, air cylinder support, extension bar, lead knife slide plate, cutter block of falling is collectively constituted and is forged a knife
Unit completes function of forging a knife.
But the rotation that existing numerical control machine tool changer needs rotary unit module to complete to cutterhead drives, and tool magazine
Selecting knife indexing function is to collectively constitute tropometer with close to sensor block, close to switch, close to switch bracket by rotary unit module
Counting unit is completed.In addition, the rotation support unit of cutterhead shaft, bearing, shaft-cup composition supports cutterhead jointly.This more points
The function combination of block determines that existing numerical control machine tool changer structure type is complicated, reaction speed is slow, rotary index precision is low
Problem.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of numerical control machine tool changers, are able to solve existing numerically-controlled machine tool
The problem that magazine tool structure form is complicated, reaction speed is slow, rotary index precision is low.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of numerical control machine tool changer is provided, is wrapped
Include this body support frame, the cutterhead and broach shell positioned at this body support frame side, and positioned at this body support frame other side index unit and beat
Knife unit；The circumferential part that broach shell is located at cutterhead is stated, is rotatably connected with cutterhead, cutterhead is equipped with mouth of forging a knife；Index unit drives
Cutterhead, which rotates the broach shell chosen to unit of forging a knife, carries out the place that forges a knife, and unit of forging a knife can apply diameter to the broach shell for being located at mouth of forging a knife
Xiang Li, so that broach shell is by the axially extended rotation along cutterhead to extending radially or make broach shell by extending radially out along cutterhead
It rotates to axially extending；Index unit includes servo motor and retarder, and retarder one end axially supports cutterhead, the other end
It is connect with servo motor, the cutterhead is fixed on the retarder, and the servo motor passes through described in retarder drive
Cutterhead rotation.
Wherein, broach shell is in open at one end, the closed tubular of the other end, the open end grafting cutter of broach shell, the closing of broach shell
End is radially equipped with pin close to the side of cutterhead, and the side that the closed end of broach shell is radially away from cutterhead is set there are two along axial direction
The lug of stretching, clamping block is equipped between two lugs, and clamping block can be rotated relative to the line between two lugs.
Wherein, the outer peripheral surface of cutterhead is equipped with the positive stop lug boss and installation base extended radially, and positive stop lug boss and installation are convex
Platform is located at cutterhead along axial both ends, and installation base is made of multiple discontinuous sub- installation bases, and sub- installation base is equipped with
The pin slot of the pin of grafting broach shell, positive stop lug boss radially abut the broach shell axially extended along cutterhead.
Wherein, unit of forging a knife includes forge a knife seat, transmission shaft, cylinder and sliding block of forging a knife；Seat of forging a knife is fixed on this body support frame
Upper, extending radially out along cutterhead, transmission shaft one end are connect with cylinder, and the other end is connect with sliding block of forging a knife, and sliding block of forging a knife is driven to exist
It forges a knife radially sliding along cutterhead on seat；Sliding block of forging a knife is equipped with the card slot of clamping clamping block.
Wherein, the forge a knife side of cutterhead that seat is radially away from is equipped with limitation and forges a knife the baffle of slider stroke.
Wherein, limiting slot is offered on baffle, limiting slot is supported and radially abutted along the radially-protruding broach shell of cutterhead.
Wherein, transmission shaft includes the first transmission shaft, second driving shaft and the first transmission shaft of connection and second driving shaft
Frame, servo motor pass through frame and connect with retarder.
Wherein, servo motor mounting base is fixed on this body support frame, servo motor is mounted in servo motor mounting base.
Wherein, retarder includes RV retarder, harmonic wave speed reducing machine or planetary reducer.
Wherein, retarder is RV retarder, and RV retarder includes pin wheel housing, main shaft, input end cap and output end cap, needle tooth
Shell is cylindrical in shape, and input end cap and output end cap cover the both ends of pin wheel housing respectively, and are fixed together, and main shaft is located at needle tooth
The center of shell, is able to drive input end cap and output end cap is rotated relative to pin wheel housing；Output end cap is fixedly connected with cutterhead, main
Axis is connect with servo motor, and pin wheel housing is fixedly connected with this body support frame.
Wherein, the center of this body support frame is equipped with stepped mounting groove, and the periphery of pin wheel housing, which is equipped with, radially stretches
Stop collar out, stop collar are connected on the cascaded surface of mounting groove, and output end cap stretches out mounting groove.
Through the above scheme, the beneficial effects of the present invention are: numerical control machine tool changer of the invention passes through retarder and servo
The cooperation of motor supports turning for cutterhead using having many advantages, such as servo motor and the retarder that reaction speed is fast, precision is high
Dynamic and positioning replaces rotation support unit, rotary unit module and the rotation counting in original technology by the two structures
Unit, so that numerical control machine tool changer structure type is simple, reaction speed is fast, rotary index precision is high.
Detailed description of the invention
Fig. 1 is the front schematic view of the numerical control machine tool changer of first embodiment of the invention；
Fig. 2 is the schematic rear view of the numerical control machine tool changer in Fig. 1；
Fig. 3 is schematic cross-section of the numerical control machine tool changer in Fig. 1 along A-A；
Fig. 4 is the decomposition diagram of the numerical control machine tool changer in Fig. 1；
Fig. 5 is the decomposition diagram of the retarder in the numerical control machine tool changer in Fig. 1；
Fig. 6 is the schematic perspective view of the tool magazine in the numerical control machine tool changer in Fig. 1；
Fig. 7 is the first schematic perspective view of the cutterhead in the numerical control machine tool changer in Fig. 1；
Fig. 8 is the second schematic perspective view of the cutterhead in the numerical control machine tool changer in Fig. 1；
Fig. 9 is the schematic perspective view of the part-structure of numerical control machine tool changer shown in FIG. 1；
Figure 10 is the decomposition diagram of Fig. 9.
Specific embodiment
Below by attached drawing, the present invention will be described in detail with embodiment.
- Fig. 4 refering to fig. 1, Fig. 1 are the front schematic views of the numerical control machine tool changer of first embodiment of the invention, and Fig. 2 is Fig. 1
In numerical control machine tool changer schematic rear view, Fig. 3 is schematic cross-section of the numerical control machine tool changer in Fig. 1 along A-A, and Fig. 4 is
The decomposition diagram of numerical control machine tool changer in Fig. 1.In the present embodiment, numerical control machine tool changer includes this body support frame 1, list of forging a knife
Member 2, index unit 34, cutterhead 5 and broach shell 6.
Cutterhead 5 and broach shell 6 are located at the side of this body support frame 1, and index unit 34 and unit 2 of forging a knife are located at this body support frame 1
The other side.Broach shell 6 is located at the circumferential part of cutterhead 5, is rotatably connected with cutterhead 5.34 energy band movable knife disc 5 of index unit will be chosen
Broach shell 6 rotate and to unit 2 of forging a knife carry out the place that forges a knife, unit 2 of forging a knife can be to the application radial force of broach shell 6, so that broach shell 6 is by along knife
The axially extended rotation of disk 5 is to extending radially or make broach shell 6 by extending radially out rotation to stretching along axial direction along cutterhead 5
Out.
Wherein, index unit 34 includes servo motor 3 and retarder 4.4 one end of retarder axially supports cutterhead 5, another
End is connect with servo motor 3.Preferably, servo motor mounting base is fixed on this body support frame 1, servo motor 3 is mounted on servo
On motor mount.
Servo-system is that position, orientation, state of object etc. is made to export controlled volume, and input target can be followed (or given
Value) the automatic control system arbitrarily changed.Servo is positioned mainly by pulse, it will be understood that, servo motor receives 1
A pulse will rotate the corresponding angle of 1 pulse, to realize displacement.Because servo motor 1 has sending pulse in itself
Function, so one angle of every rotation of servo motor 1, can all issue the pulse of corresponding number, in this way, connecing with servo motor 1
The pulse shaping received is echoed, or is closed loop.In this way, which external system, which will know that, has generated that servo electricity is given in how many pulse
Machine 1, while having received that how many pulse are returned again.In this way, it is possible to be accurately controlled very much the rotation of motor, accurately determine to realize
Position, can achieve 0.001mm.
In the present embodiment, retarder 4 is RV retarder 4.It is in the numerical control machine tool changer in Fig. 1 refering to Fig. 5, Fig. 5
The decomposition diagram of retarder.RV retarder 4 includes pin wheel housing 41, main shaft 42, input end cap 43 and output end cap 44.Pin wheel housing
41 are cylindrical in shape, and input end cap 43 and output end cap 44 cover the both ends of pin wheel housing 41 respectively, and are fixed together.Main shaft 42
Positioned at the center of pin wheel housing 41, and input end cap 43 and output end cap 44 are connected, is able to drive input end cap 43 and output end cap
44 rotate relative to pin wheel housing 41.Output end cap 44 is fixedly connected with cutterhead 5, and main shaft 42 is connect with servo motor 3, pin wheel housing 41
It is fixedly connected with this body support frame 1.In addition, the center of this body support frame 1 is equipped with stepped mounting groove.The periphery of pin wheel housing 41 is set
There is the stop collar 411 radially stretched out, stop collar 411 is connected on the cascaded surface of mounting groove, and output end cap 44 stretches out peace
Tankage.
RV transmission is a kind of transmission newly risen, it is developed on the basis of traditional Cycloid drive, no
The shortcomings that only overcoming general pin cycloid transmission, and because having, small in size, light-weight, gear range is big, the service life is long, precision
Keep the series of advantages such as stable, high-efficient, stable drive.It is increasingly subject to extensive concern both domestic and external.RV retarder is by putting
Line pinwheel and planet stent composition are small in size with its, and anti-impact force is strong, and torque is big, and positioning accuracy is high, with small vibration, and reduction ratio is big etc.
Plurality of advantages is widely used in industrial robot, lathe, medical treatment detection device, the fields such as satellite receiving system.Therefore, this hair
Retarder 4 in bright is preferably RV retarder.
In other embodiments, retarder 4 can also be harmonic wave speed reducing machine or planetary reducer.
Referring to Fig. 6, Fig. 6 is the schematic perspective view of the tool magazine in numerical control machine tool changer in Fig. 1.Broach shell 6 is in one
The closed tubular of end opening, the other end.The open end grafting cutter of broach shell 6.The closed end of broach shell 6 is radially close to cutterhead 5
Side be equipped with pin 61, the side that the closing of broach shell 6 is radially away from cutterhead 5 set there are two axially extending lug 62.Two
Clamping block 63 is equipped between a lug 62, clamping block 63 can be rotated relative to the line between two lugs 62.
Fig. 7 and Fig. 8 are please referred to, Fig. 7 is the first schematic perspective view of the cutterhead in the numerical control machine tool changer in Fig. 1,
Fig. 8 is the second schematic perspective view of the cutterhead in the numerical control machine tool changer in Fig. 1.Cutterhead 5 is equipped with mouth 51 of forging a knife, broach shell
6 are located in mouth 51 of forging a knife.The outer peripheral surface of cutterhead 5 is equipped with the installation base 52 and positive stop lug boss 53 extended radially, installation base
52 and positive stop lug boss 53 be located at cutterhead 5 along axial both ends.Installation base 52 is by multiple discontinuous 521 groups of sub- installation bases
At sub- installation base 521 is equipped with the pin slot 522 of the pin 61 of grafting broach shell 6, and positive stop lug boss 53 is radially abutted along cutterhead
5 axially extended broach shells 6.Specifically, mouth 51 of forging a knife is the gap between two sub- installation bases 521, tool magazine 6 is by two son peaces
It fills clamped by boss 521.
Referring to Fig. 2, unit 2 of forging a knife includes forge a knife seat 24, transmission shaft 22, cylinder 21 and sliding block 23 of forging a knife.Cylinder 21 into
One step includes air cylinder support 211, and air cylinder support 211 is connect with this body support frame 1, and cylinder 21 and this body support frame 1 is fixed.It forges a knife
Seat 24 is fixed on this body support frame 1, and extending radially out along cutterhead 5.22 one end of transmission shaft is connect with cylinder 21, the other end and is beaten
Knife sliding block 23 connects, and drive forges a knife sliding block 23 in radially sliding along cutterhead 5 on seat 24 of forging a knife.Transmission shaft 22 includes the first transmission
Axis 221, second driving shaft 222 and the frame 223 for connecting the first transmission shaft 221 and second driving shaft 222.Servo motor 3 is worn
Frame 223 is crossed to connect with retarder 4.
Fig. 9 and Figure 10 are please referred to, Fig. 9 is the schematic perspective view of the part-structure of numerical control machine tool changer shown in FIG. 1,
Figure 10 is the decomposition diagram of Fig. 9.Sliding block 23 of forging a knife is equipped with the card slot 231 of clamping clamping block 63.Seat 24 of forging a knife is radially remote
From the side of cutterhead 5 be equipped with limitation and forge a knife the baffle 241 of 23 stroke of sliding block, offer limiting slot 242 on baffle 241.Limit
Slot 242 is supported and is radially abutted along the radially-protruding broach shell 6 of cutterhead 5.
Through the above scheme, the beneficial effects of the present invention are: numerical control machine tool changer of the invention passes through retarder and servo
The cooperation of motor supports turning for cutterhead using having many advantages, such as servo motor and the retarder that reaction speed is fast, precision is high
Dynamic and positioning replaces rotation support unit, rotary unit module and the rotation counting in original technology by the two structures
Unit, so that numerical control machine tool changer structure type is simple, reaction speed is fast, rotary index precision is high.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (11)
1. a kind of numerical control machine tool changer, which is characterized in that including this body support frame, cutterhead and broach shell positioned at this body support frame side,
And positioned at this body support frame other side index unit and forge a knife unit；
The broach shell is located at the circumferential part of cutterhead, is rotatably connected with the cutterhead, and the cutterhead is equipped with mouth of forging a knife；
The index unit drives the cutterhead to rotate the broach shell chosen to the unit of forging a knife and carries out the place that forges a knife, described to beat
Knife unit can apply radial force to the broach shell for being located at mouth of forging a knife, so that the broach shell is by the axially extended rotation along cutterhead to along diameter
To stretching out or make the broach shell by extending radially out rotation to axially extending along cutterhead；
The index unit includes servo motor and retarder, and described retarder one end axially supports the cutterhead, the other end
It is connect with the servo motor, the cutterhead is fixed on the retarder, and the servo motor is driven by the retarder
The cutterhead rotation.
2. numerical control machine tool changer according to claim 1, which is characterized in that the broach shell is in open at one end, another end seal
The tubular closed, the open end grafting cutter of the broach shell, the closed end of the broach shell are radially equipped with column close to the side of cutterhead
Pin, the side that the closed end of the broach shell is radially away from cutterhead are set there are two axially extending lug, described two lugs
Between be equipped with clamping block, the clamping block can rotate relative to the line between described two lugs.
3. numerical control machine tool changer according to claim 2, which is characterized in that the outer peripheral surface of the cutterhead, which is equipped with, radially to be stretched
Positive stop lug boss and installation base out, the positive stop lug boss and installation base are located at the cutterhead along axial both ends, the peace
Dress boss is made of multiple discontinuous sub- installation bases, and the sub- installation base is equipped with the column of the pin of broach shell described in grafting
Cotter way, the positive stop lug boss radially abut the broach shell axially extended along cutterhead.
4. numerical control machine tool changer according to claim 3, which is characterized in that
The unit of forging a knife includes forge a knife seat, transmission shaft, cylinder and sliding block of forging a knife；
The seat of forging a knife is fixed on this body support frame, extending radially out along cutterhead, and described transmission shaft one end is connect with cylinder, another
Sliding block of holding and forge a knife connects, sliding block radially sliding along cutterhead on the seat of forging a knife of forging a knife described in drive；
The sliding block of forging a knife is equipped with the card slot for being clamped the clamping block.
5. numerical control machine tool changer according to claim 4, which is characterized in that the seat of forging a knife is radially away from the knife
The side of disk is equipped with the baffle for slider stroke of forging a knife described in limitation.
6. numerical control machine tool changer according to claim 5, which is characterized in that limiting slot is offered on the baffle, it is described
Limiting slot is supported and is radially abutted along the radially-protruding broach shell of cutterhead.
7. numerical control machine tool changer according to claim 6, which is characterized in that the transmission shaft includes the first transmission shaft, the
The frame of two transmission shafts and connection first transmission shaft and the second driving shaft, the servo motor pass through the frame
It is connect with the retarder.
8. numerical control machine tool changer according to claim 4, which is characterized in that be fixed with servo motor on described body support frame
Mounting base, the servo motor are mounted in the servo motor mounting base.
9. numerical control machine tool changer according to claim 1, which is characterized in that the retarder includes RV retarder, harmonic wave
Speed reducer or planetary reducer.
10. numerical control machine tool changer according to claim 9, which is characterized in that the retarder is RV retarder, the RV
Retarder includes pin wheel housing, and main shaft, input end cap and output end cap, the pin wheel housing are cylindrical in shape, the input end cap with it is described
Output end cap covers the both ends of the pin wheel housing respectively, and is fixed together, and the main shaft is located at the center of pin wheel housing, energy
The input end cap and output end cap is enough driven to rotate relative to the pin wheel housing；The output end cap and the fixed company of the cutterhead
It connects, the main shaft is connect with the servo motor, and the pin wheel housing is fixedly connected with described body support frame.
11. numerical control machine tool changer according to claim 10, which is characterized in that it is in rank that the center of described body support frame, which is equipped with,
The mounting groove of scalariform, the periphery of the pin wheel housing are equipped with the stop collar radially stretched out, and the stop collar is connected to described
On the cascaded surface of mounting groove, the output end cap stretches out the mounting groove.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/095904 WO2016106687A1 (en) | 2014-12-31 | 2014-12-31 | Numerical-control machine tool magazine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107107292A CN107107292A (en) | 2017-08-29 |
| CN107107292B true CN107107292B (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480084092.4A Active CN107107292B (en) | 2014-12-31 | 2014-12-31 | Numerical control machine tool changer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107107292B (en) |
| WO (1) | WO2016106687A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI628039B (en) * | 2016-12-07 | 2018-07-01 | 聖杰國際股份有限公司 | Machine tool combination structure |
| CN107775414A (en) * | 2017-10-26 | 2018-03-09 | 江西佳时特精密机械有限责任公司 | PMC axle servo tool magazines |
| CN112692623A (en) * | 2019-10-23 | 2021-04-23 | 冈田精机丹阳有限公司 | D-shaped tool magazine |
| CN110989513A (en) * | 2019-11-18 | 2020-04-10 | 沈阳华飞智能科技有限公司 | Central tool magazine control system applied to intelligent processing production line |
| CN111482648B (en) * | 2020-05-14 | 2024-09-24 | 张家港市越泰精密机械有限公司 | Tool changing mechanism with pressure feedback control pipe cutting machine feed speed device |
| CN112276599A (en) * | 2020-11-09 | 2021-01-29 | 旭淄机械(上海)有限公司 | Multi-direction position adjustable automatic machining center |
| CN113635136B (en) * | 2021-10-18 | 2022-02-11 | 思特博恩(常州)新材料科技有限公司 | Tool magazine stop control method, device, equipment and storage medium |
| CN114378617A (en) * | 2021-12-21 | 2022-04-22 | 王一涵 | CNC tool magazine |
| CN114406728A (en) * | 2022-02-10 | 2022-04-29 | 海淘信息科技江苏有限公司 | Intelligent horizontal numerical control machine tool |
| CN117399661B (en) * | 2023-02-02 | 2024-08-23 | 东莞市支点通用机械设备有限公司 | Cutter tower and method for simultaneously outputting power on end face and side face of cutter head |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107107292A (en) | 2017-08-29 |
| WO2016106687A1 (en) | 2016-07-07 |
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