CN106736788A - A kind of lower-mobility series-parallel connection vertical machining device - Google Patents
A kind of lower-mobility series-parallel connection vertical machining device Download PDFInfo
- Publication number
- CN106736788A CN106736788A CN201710116915.2A CN201710116915A CN106736788A CN 106736788 A CN106736788 A CN 106736788A CN 201710116915 A CN201710116915 A CN 201710116915A CN 106736788 A CN106736788 A CN 106736788A
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- China
- Prior art keywords
- connecting rod
- cutterhead
- cutter
- rocking bar
- bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
- B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
- B23Q3/15753—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle
- B23Q3/15766—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle the axis of the stored tools being arranged perpendicularly to the rotating or circulating plane of the storage means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention discloses a kind of lower-mobility series-parallel connection vertical machining device, does not have automatic tool changer for solving current most of parallel machine, and the cutter-exchange mechanism having pointed out mostly has tool change time long, and tool-changing mechanism is complicated, it is difficult to the problem of control;Including tool-changing mechanism part, supporting construction part, five-rod part, lifting workbench part composition.Cutter-exchange mechanism is rotated by driving stepper motor power transmission shaft band movable knife disc, and the lifting of Driven by Hydraulic Cylinder cutterhead is combined with the motion of five-rod to realize that automatic tool changer is acted.Supporting construction part is portal frame form, and force structure is more reasonable.The present invention is simple and compact for structure, it is easy to control, cutter-exchange mechanism reliable operation, reduces the size of whole machining center, and processing stability is improved.
Description
Technical field
The present invention relates to lathe and field of mechanisms, and in particular to a kind of lower-mobility series-parallel connection vertical machining device.
Background technology
As market competition is more and more fierce, efficiency and flexibility requirements more and more higher to lathe will improve processing efficiency,
Can improve process time and start with from tool changing non-cutting time is reduced, existing exchanging knives process is most of for tool magazine only has rotary motion,
Motion of main shaft it is all long away from discrete time.Patent 205394002U is disclosed in a kind of vertical processing of compound linkages
The heart, but the complex structure of this machining center cutter-exchange mechanism, the free degree are too high-leveled and difficult with precise control, the reliability of cutter-exchange mechanism
It is low.
The content of the invention
The present invention does not have automatic tool changer for current most of parallel machine, and the cutter-exchange mechanism having pointed out is big
All tool change time is long, and tool-changing mechanism is complicated, it is difficult to the problem of control, proposes a kind of simple and compact for structure, it is easy to control, work can
The cutter-exchange mechanism for leaning on, reduces the size of whole machining center, and processing stability is improved.
To achieve the above object, the technical solution adopted in the present invention is:
A kind of lower-mobility series-parallel connection vertical machining device, including supporting construction part, cutter-exchange mechanism part, five-rod portion
Divide and lifting working platform structure division;
Described cutter-exchange mechanism part includes stepper motor, 3 small cylinders, power transmission shaft, handle of a knife, cutterheads;Stepper motor
On motor mounting plate, motor mounting plate is supported by 3 small cylinders, and stepper motor passes through shaft coupling and power transmission shaft phase
Even, 3 small cylinders are installed on the supporting plate, and bearing block is provided with supporting plate, and thrust ball bearing is provided with bearing block, are pushed away
Power ball bearing coincides with the cascaded surface of power transmission shaft, handle of a knife is placed with cutterhead and is used to clamp cutter, and cutterhead nut is fastened on biography
On moving axis;
Described supporting construction part includes base, angle connector, angle steel, crossbeam;Angle connector and angle steel are used to fix
The supporting plate of tool-changing mechanism part, is used to place the ball-screw slide unit of five-rod part and installs servomotor on crossbeam
Hanging plate;
Described five-rod part include electro spindle, servomotor, load-bearing connecting rod, non-bearing connecting rod, left rocking bar, the right side is shaken
Bar, power transmission shaft tightens end cap, ball-screw slide unit;Load-bearing connecting rod is connected with electro spindle;One end of non-bearing connecting rod is enclosed within electric master
On axle, other end is connected with right rocking bar, and load-bearing connecting rod is connected with left rocking bar;Non-bearing connecting rod is connected with right rocking bar;It is left and right to shake
Bar is connected by connecting shaft, shaft coupling with the axle of servomotor, and servomotor is arranged on motor hanging plate, and motor hanging plate passes through spiral shell
Nail is fixedly connected with the sliding block on ball screw slide unit.
The handle of a knife is positioned by the block on cutterhead, prevents handle of a knife from departing from cutterhead.
The non-bearing connecting rod is assembled by small head, connecting plate, enlarged head, and its enlarged head is enclosed within electro spindle, microcephaly
Portion connects with right rocker shaft;Right rocking bar compresses expansion set with connecting shaft fastening by tightening end cap.
Compared with prior art, the present invention has following beneficial effect:
1 cutter-exchange mechanism mechanical structure of the invention is simple, occupies little space, and makes complete machine structure compacter.Cutter-exchange mechanism
By PLC and PC control, its functional reliability is very high.
2 assembly technologies of the invention are simple, are modular construction, easily reconstruct, and assembly and disassembly is convenient.
3 present invention constitute gantry frame structure by column and crossbeam, and its stressing conditions is more reasonable, and whole machine rigidity is higher.
The structure type that 4 present invention are combined using parallel institution with serial mechanism, both with parallel institution high-speed motion
Performance is good, the characteristics of simple and compact for structure, it may have serial mechanism working space is big, controls simple advantage.
Brief description of the drawings
Fig. 1 is that a kind of isometric three-dimensional structure of lower-mobility series-parallel connection vertical machining centre experimental provision of the invention is illustrated
Figure;
Fig. 2 (a) is that a kind of tool-changing mechanism part of lower-mobility series-parallel connection vertical machining centre experimental provision of the invention is illustrated
Figure, Fig. 2 (b) is I enlarged diagram, and Fig. 2 (c) is one partial enlarged drawing for putting cutter position of cutterhead;
Fig. 3 is a kind of frame structure partial schematic diagram of lower-mobility series-parallel connection vertical machining centre experimental provision of the invention;
Fig. 4 (a) is that a kind of five bar structure divisions of lower-mobility series-parallel connection vertical machining centre experimental provision of the invention are illustrated
Figure, Fig. 4 (b) is II enlarged diagram.
Specific embodiment
As shown in figure 1, a kind of lower-mobility series-parallel connection vertical machining centre experimental provision of this example, wherein by frame structure portion
Divide 3, cutter-exchange mechanism part 4, five-rod part 1 and lifting working platform structure division 2 are constituted.
As shown in Fig. 2 (a), (b), (c), described cutter-exchange mechanism part 4 includes stepper motor 201, motor mounting plate
202,3 small cylinders 210, power transmission shaft 207, handle of a knife 204, cutterhead 205, thrust ball bearing 203, bearing block 208, nut 206,
Shaft coupling 211, supporting plate 209, block 212.Stepper motor 201 is arranged on motor mounting plate 202, and motor mounting plate 202 is by 3
Individual small cylinder 210 is supported, and stepper motor 201 is connected by shaft coupling 211 with power transmission shaft 207, and 3 small cylinders 210 are installed
In supporting plate 209, it is provided with supporting plate 209 in bearing block 208, bearing block 208 and thrust ball bearing 203, thrust is installed
Ball bearing 203 coincides with the cascaded surface of power transmission shaft 207, handle of a knife 204 is placed with cutterhead 205 and is used to clamp cutter, the quilt of handle of a knife 204
Block 212 on cutterhead is positioned, and prevents handle of a knife 204 from departing from cutterhead 205, and cutterhead 205 is fastened on power transmission shaft 207 with nut 206,
Synchronous rotary is realized by frictional force and power transmission shaft 207.
As shown in figure 3, described supporting construction part 3 include base 301, connection board 302, column 303, crossbeam 304,
Top cover 308, reinforcement 305, angle connector 306, angle steel 307.There is shoulder hole on base 301, can be installed with foundation bolt and fastened
Ensure the stability of process, two root posts 303 are fastened on base with angle connector and connection board 302, and crossbeam 304 is used
Angle connector 306 is arranged in two root posts 303, top cover 308 is provided with crossbeam 304, and strengthen rigidity with reinforcement 305.
Angle connector 306 and angle steel 307 are used to fix the supporting plate 209 of tool-changing mechanism part 4, are used to place five bar machines on crossbeam 304
The ball-screw slide unit 404 and installation servomotor hanging plate 407 of structure part 1.
As shown in figure 4, described five-rod structure division 1, including electro spindle 401, servomotor 406, load-bearing connecting rod
403, non-bearing small end of connecting rod portion 414, connecting plate 413, enlarged head 402, left rocking bar 415, right rocking bar 410, servomotor are installed and hung
Plate 407, connecting plate 408, cup 409, power transmission shaft 412 tightens end cap 411, ball-screw slide unit 404.Load-bearing connecting rod 403 and electricity
Main shaft 401 is connected, and non-bearing connecting rod is assembled by small head 414, connecting plate 413, enlarged head 402, and its empty set of enlarged head 402 exists
On electro spindle 401, load-bearing connecting rod 403 is connected with left rocking bar 415, and the small head 414 of non-bearing connecting rod is connected with right rocking bar 410,
Right rocking bar 410 compresses expansion set with connecting shaft 412 by frictional force fastening by tightening end cap 411, to overcome gravity and provide torsion
Square, is provided with angular contact ball bearing in cup 409, connecting shaft 412 according to be multi-diameter shaft, its cascaded surface and angular contact ball bearing upper end
Face is overlapped, and connecting shaft 412 is connected according to by shaft coupling with the axle of servomotor 406, and servomotor 406 is arranged on motor hanging plate
On 407, cup 409 is arranged on connecting plate 408, and connecting plate 408 is connected by bolt with motor hanging plate 407, motor hanging plate 407
It is fixedly connected with the sliding block on ball screw slide unit 404 by screw.
Its exchanging knives process is as described below:
After the control system of the experimental provision receives tool changing to be instructed, host computer drops to plc communication, cutterhead 205
Tool change position, PLC communicates to host computer, represents that cutterhead 205 is in place, and then host computer sends instruction to servomotor 406, control
Five-rod part 1 is moved, and handle of a knife 204 is put into cutterhead 205, and unclamps handle of a knife 204, and cutterhead 205 drops to lower limit, holds
Row tool changing is instructed, and controls stepper motor 201 to rotate after being calculated through host computer, so that electricity is main after the rotation specified angle of cutterhead 205
The lower section of axle 401 faces cutter needed for processing, and then cutterhead 205 rises to tool change position, and handle of a knife 204 is put into electro spindle 401,
The Automatic-clamping handle of a knife 204 of electro spindle 401, PLC communicates to host computer, and report has clamped handle of a knife 204, and then host computer is to servo electricity
Machine 406 sends control signal, and the control five-rod of servomotor 406 part 1 returns to initial manufacture position with cutter, meanwhile,
Host computer can control cutterhead 205 to begin to ramp up plc communication, and after cutterhead 205 rises to upper limit, PLC is logical to host computer
Letter, exchanging knives process terminates.
Structure, the Knife handle structure of electro spindle of the invention use general structure.
Claims (3)
1. a kind of lower-mobility series-parallel connection vertical machining device, it is characterised in that:Including supporting construction part, cutter-exchange mechanism part,
Five-rod part and lifting working platform structure division;
Described cutter-exchange mechanism part includes stepper motor, 3 small cylinders, power transmission shaft, handle of a knife, cutterhead;Stepper motor is installed
On motor mounting plate, motor mounting plate is supported by 3 small cylinders, and stepper motor is connected by shaft coupling with power transmission shaft, 3
Small cylinder is installed on the supporting plate, and bearing block is provided with supporting plate, and thrust ball bearing, thrust ball axle are provided with bearing block
Hold and coincided with the cascaded surface of power transmission shaft, handle of a knife is placed with cutterhead and is used to clamp cutter, cutterhead nut is fastened on power transmission shaft;
Described supporting construction part includes base, angle connector, angle steel, crossbeam;Angle connector and angle steel are used to fix tool changing
The supporting plate of structure division, is used to place the ball-screw slide unit of five-rod part and installs servomotor extension on crossbeam
Plate;
Described five-rod part include electro spindle, servomotor, load-bearing connecting rod, non-bearing connecting rod, left rocking bar, right rocking bar,
Power transmission shaft, tightens end cap, ball-screw slide unit;Load-bearing connecting rod is connected with electro spindle;One end of non-bearing connecting rod is enclosed within electro spindle
On, other end is connected with right rocking bar, and load-bearing connecting rod is connected with left rocking bar;Non-bearing connecting rod is connected with right rocking bar;Left and right rocking bar
It is connected with the axle of servomotor by connecting shaft, shaft coupling, servomotor is arranged on motor hanging plate, motor hanging plate passes through screw
It is fixedly connected with the sliding block on ball screw slide unit.
2. lower-mobility series-parallel connection vertical machining device according to claim 1, it is characterised in that:Handle of a knife is by the gear on cutterhead
Block is positioned, and prevents handle of a knife from departing from cutterhead.
3. lower-mobility series-parallel connection vertical machining device according to claim 1, it is characterised in that:Non-bearing connecting rod is by microcephaly
Portion, connecting plate, enlarged head are assembled, and its enlarged head is enclosed within electro spindle, and small head connects with right rocker shaft;Right rocking bar is by tightening
End cap compresses expansion set and is fastened with connecting shaft.
Priority Applications (1)
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CN201710116915.2A CN106736788A (en) | 2017-03-01 | 2017-03-01 | A kind of lower-mobility series-parallel connection vertical machining device |
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CN201710116915.2A CN106736788A (en) | 2017-03-01 | 2017-03-01 | A kind of lower-mobility series-parallel connection vertical machining device |
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CN106736788A true CN106736788A (en) | 2017-05-31 |
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CN201710116915.2A Pending CN106736788A (en) | 2017-03-01 | 2017-03-01 | A kind of lower-mobility series-parallel connection vertical machining device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113618465A (en) * | 2021-08-27 | 2021-11-09 | 丹阳市雷登智能科技有限公司 | Automatic tool changing system for lens processing |
CN113664591A (en) * | 2021-10-22 | 2021-11-19 | 南通科邦机械有限公司 | A wheeled toolchanger of accessory dish for hardware fitting processing |
Citations (7)
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JPH1068292A (en) * | 1996-08-27 | 1998-03-10 | Kawasaki Heavy Ind Ltd | Cutter fitting mechanism and cutter holder for tunnel excavator |
JP2005146808A (en) * | 2003-11-20 | 2005-06-09 | Kajima Corp | Start method for pipe jacking machine |
CN102528569A (en) * | 2012-01-18 | 2012-07-04 | 杭州光大机械有限公司 | High-efficiency numerical control machine tool of vertical machining center |
CN102848248A (en) * | 2012-04-05 | 2013-01-02 | 上海大学 | Tool changing device of micro automatic machine tool and method |
CN202877991U (en) * | 2012-11-14 | 2013-04-17 | 邝锦富 | Numerical control machine tool with improved umbrella-type magazine tool structure |
CN204524963U (en) * | 2015-03-17 | 2015-08-05 | 深圳市微雕科技有限公司 | A kind of automatic tool changer of Digit Control Machine Tool |
CN105537963A (en) * | 2016-02-16 | 2016-05-04 | 中北大学 | Vertical machining center for complex linkage mechanisms |
-
2017
- 2017-03-01 CN CN201710116915.2A patent/CN106736788A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1068292A (en) * | 1996-08-27 | 1998-03-10 | Kawasaki Heavy Ind Ltd | Cutter fitting mechanism and cutter holder for tunnel excavator |
JP2005146808A (en) * | 2003-11-20 | 2005-06-09 | Kajima Corp | Start method for pipe jacking machine |
CN102528569A (en) * | 2012-01-18 | 2012-07-04 | 杭州光大机械有限公司 | High-efficiency numerical control machine tool of vertical machining center |
CN102848248A (en) * | 2012-04-05 | 2013-01-02 | 上海大学 | Tool changing device of micro automatic machine tool and method |
CN202877991U (en) * | 2012-11-14 | 2013-04-17 | 邝锦富 | Numerical control machine tool with improved umbrella-type magazine tool structure |
CN204524963U (en) * | 2015-03-17 | 2015-08-05 | 深圳市微雕科技有限公司 | A kind of automatic tool changer of Digit Control Machine Tool |
CN105537963A (en) * | 2016-02-16 | 2016-05-04 | 中北大学 | Vertical machining center for complex linkage mechanisms |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113618465A (en) * | 2021-08-27 | 2021-11-09 | 丹阳市雷登智能科技有限公司 | Automatic tool changing system for lens processing |
CN113664591A (en) * | 2021-10-22 | 2021-11-19 | 南通科邦机械有限公司 | A wheeled toolchanger of accessory dish for hardware fitting processing |
CN113664591B (en) * | 2021-10-22 | 2021-12-24 | 南通科邦机械有限公司 | A wheeled toolchanger of accessory dish for hardware fitting processing |
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Application publication date: 20170531 |
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