CN207278776U - 4-coordinate series-parallel connection milling machine mobile platform damping - Google Patents
4-coordinate series-parallel connection milling machine mobile platform damping Download PDFInfo
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- CN207278776U CN207278776U CN201721362688.3U CN201721362688U CN207278776U CN 207278776 U CN207278776 U CN 207278776U CN 201721362688 U CN201721362688 U CN 201721362688U CN 207278776 U CN207278776 U CN 207278776U
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- hole
- cylinder
- moving platform
- parallel connection
- milling machine
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Abstract
The utility model discloses 4-coordinate series-parallel connection milling machine mobile platform damping, it is rotatablely connected including moving platform, moving platform upper surface is equipped with shock bracket, shock bracket includes substrate, substrate is equipped with least three supporting legs, and the bottom of supporting leg is equipped with spring damper and backing plate successively, and backing plate is bolted on moving platform, first through hole is further opened with the moving platform below substrate, first through hole is equipped with internal thread；The upper surface of substrate is equipped with motor, and the output terminal of motor is equipped with shaft；Further include sleeve, the outer wall of sleeve is equipped with the external screw thread of first through hole adaptation, inner wall is equipped with the first buffer rubber gasket, the free end of shaft sequentially passes through sleeve fixed in the substrate and first through hole, and shaft is used to fix milling cutter through the end of the first through hole.The utility model is beneficial to extenuate to shake in spindle motor work process, ensures the normal working life of product processing quality and telescopic rod.
Description
Technical field
It the utility model is related to a kind of milling machine mechanism, and in particular to 4-coordinate series-parallel connection milling machine mobile platform damping.
Background technology
As people are more and more deep to the understanding of parallel machine, exploitation and the research work of parallel machine are tending to be flat
Surely.Pervious traditional lathe is all cascaded structure, but cascaded structure lathe, there are unavoidable shortcoming, it, which is controlled, calculates
Method is complicated, and inconvenient for operation, precision is low, and processing capacity is big, and processed complex curved surface is extremely difficult.And parallel machine represents numerical control machine
One developing direction of bed, it solves these problems well.But parallel machine involves great expense, motion pose parsing and knot
Structure design is complicated, its dedicated flexural pivot can not keep precision for a long time, and purchase is very high with maintenance cost, is not suitable for teaching and uses.
Student can only be understood, teacher, which says, to overcome difficulties when learning the parallel institution of parallel machine by textbook screen related to some
Difficulty, student are difficult to comprehensive understanding.The more existing simple parallel machine for being applicable to teaching, such as patent
CN201420215257, a kind of 3-freedom parallel mechanism, motor provide driving for the milling cutter of milling machine, when milling machine operates, by
It is larger in all parts vibration of milling machine, it can cause motor that high vibration occurs together, be easy to cause the damage of motor output end,
Reduce the service life of motor significantly, also be easy to cause milling cutter processing shakiness, so that the quality of product reduces, or reduce and stretch
Contracting bar working life.
Utility model content
The utility model is for above-mentioned technological deficiency, and it is an object of the present invention to provide 4-coordinate series-parallel connection milling machine mobile platform damping machine
Structure, sets damping on moving platform, is shaken with extenuating in spindle motor work process, ensures product processing quality and stretches
The normal working life of bar.
The utility model is achieved through the following technical solutions：
4-coordinate series-parallel connection milling machine mobile platform damping, including silent flatform, telescopic rod and moving platform, the telescopic rod
Axial both ends are rotatablely connected with the silent flatform and moving platform respectively, and the moving platform upper surface is equipped with shock bracket, described to subtract
Shake stent includes substrate, and the substrate is equipped with least three supporting legs, the bottom of the supporting leg successively equipped with spring damper with
Backing plate, the backing plate are bolted on moving platform, and first through hole, institute are further opened with the moving platform below substrate
State first through hole and be equipped with internal thread；The upper surface of substrate is equipped with motor, and the output terminal of the motor is equipped with shaft；Further include set
Cylinder, the outer wall of the sleeve are equipped with external screw thread, inner wall that the first through hole is adapted to and are equipped with the first buffer rubber gasket, the shaft
Free end sequentially pass through in the substrate and the first through hole fixed sleeve, shaft is through the first through hole
End is used to fix milling cutter.
The motor of the utility model is installed on moving platform by shock bracket, is used for by spring damper by motor work
Main shock effect is disperseed, is buffered during work, is effectively prevented motor from causing larger slip to moving platform, is influenced milling cutter
Overall work stability, the normal service life for even influencing telescopic rod；Then the shaft of motor output end connection is put down through dynamic
Through hole on platform, is then buffered, stabilization by the further device of the first buffer rubber gasket countershaft on through hole inner sleeve, by
It can drive shaft that certain shock motion occurs in the vibrations of motor, when shaft occurs radially to rock, the first buffering in sleeve
Rubber pad can give firm effect with shaft contacts, while play good cushioning effect, prevent shaft from driving moving platform to rock；
Further, since the first buffer rubber gasket belongs to easily abrasion material, the first buffer rubber gasket is installed on through hole by the way of sleeve
It is interior, easy to staff at any time by sleeve by being taken out in through hole, carry out replacement maintenance.
Preferably, the spring damper is fixed including fixed cylinder, movable cylinder and spring, the axial bottom of the fixed cylinder
On backing plate, axial one end of the spring is fixed on bottom in fixed cylinder, the axial other end is fixed on bottom in movable cylinder；Institute
State that movable cylinder axial direction one end is inserted in fixed cylinder, the other end is connected with the supporting leg；The outside diameter of movable cylinder is less than the interior of fixed cylinder
Footpath and axial length are less than the half of spring nature length.
In the motor course of work, shock effect power can be driven to movable cylinder by supporting leg, spring can be by movable cylinder
Shock effect power is disperseed into row buffering, therefore the shock effect power being transmitted on fixed cylinder, backing plate and moving platform is fully delayed
Rush, be separated into smaller even zero active force, reduce the vibration influence to moving platform entirety.
Preferably, the movable jacket casing enters to be convexly equipped with limited block at the port of fixed cylinder on outer wall, the axis of the fixed cylinder
Spacing ring is convexly equipped with to top ports on inner wall, the outside diameter of the limited block is more than the internal diameter of spacing ring.
It is fastened on by limited block at spacing ring, can effectively prevents movable cylinder from being skidded off from fixed cylinder, ensures that motor is normal
Operation.
Preferably, the movable jacket casing enters circumferentially to be equipped with the second buffer rubber gasket on the port of fixed cylinder.
When motor produces larger cushioning effect power, movable jacket casing can be made to enter the end pressure of fixed cylinder spring-compressed
To fixed cylinder bottom, fixed cylinder and movable cylinder is produced larger squeezing action power, therefore set the second buffer rubber gasket can be
Layer protective layer is formed with fixed cylinder bottom at movable cylinder port, prevents both excessive extrusion to be damaged.
Preferably, the sleeve is agreed with by magnet adsorption by the first semicircular cylinder and the second semicircular cylinder and formed.
Agree with composition tube-in-tube structure by using two half-cylinder structures, milling cutter is installed in shaft easy to staff
In the case of sleeve is removed from shaft.
Preferably, the damping further includes support plate, and the support plate is equipped with least two struts, the strut from
It is fixed on by end on moving platform lower surface；Support plate is equipped with the second through hole, and the 3rd yielding rubber is equipped with second through hole
Pad；The free end of the shaft is used to fix milling cutter after sequentially passing through first through hole and second through hole.
By setting support plate and strut to do supporting role, second auxiliary buffer gear is installed in shaft, passes through first
After the cushioning effect of buffer rubber gasket, the shaking amplitude of shaft is smaller, will by setting the 3rd buffer rubber gasket to be beneficial to realization
The effect of rocking of shaft minimizes, and ensures milling cutter normal operation, also ensures moving platform monolithic stability.
Preferably, the strut is fixed on moving platform by connecting plate and bolt.
Easy to dismounting, installation operation from moving platform by support plate and strut entirety.
Preferably, the support plate is agreed with by two identical semicircular plates of structure and formed, and is set on each semicircular plate
The strut of identical quantity；Semicircular notch is opened up vertically at the circle of each semicircular plate, by two semi-circular grooves
Mouth forms second through hole.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model 4-coordinate series-parallel connection milling machine mobile platform damping, the motor of the utility model pass through damping branch
Frame is installed on moving platform, is used to be disperseed shock effect main in the motor course of work by spring damper, is delayed
Punching, effectively prevents motor from causing larger slip to moving platform, influences milling cutter overall work stability, is even influencing telescopic rod just
Normal service life；Then the shaft of motor output end connection is through the through hole on moving platform, then by through hole inner sleeve
The further device buffering of first buffer rubber gasket countershaft, stabilization, since the vibrations of motor can drive shaft that certain shake occurs
Dynamic movement, when shaft occurs radially to rock, the first buffer rubber gasket in sleeve can give firm effect with shaft contacts, together
When play good cushioning effect, prevent shaft drive moving platform rock；Further, since the first buffer rubber gasket belongs to easy abrasion
First buffer rubber gasket, is installed in through hole, easy to staff at any time by sleeve by through hole by material by the way of sleeve
Take out, carry out replacement maintenance；In the motor course of work, shock effect power can be driven to movable cylinder by supporting leg, spring can incite somebody to action
Shock effect power on movable cylinder is disperseed into row buffering, therefore the shock effect power being transmitted on fixed cylinder, backing plate and moving platform
Fully buffered, be separated into smaller even zero active force, reduce the vibration influence to moving platform entirety；
2nd, the utility model 4-coordinate series-parallel connection milling machine mobile platform damping, when motor produces larger cushioning effect power
When, the end that movable jacket casing enters fixed cylinder can be made to be depressed into fixed cylinder bottom spring-compressed, make fixed cylinder and movable cylinder produce compared with
Big squeezing action power, therefore set the second buffer rubber gasket to form one layer of protection with fixed cylinder bottom at movable cylinder port
Layer, prevents both excessive extrusion to be damaged；
3rd, the utility model 4-coordinate series-parallel connection milling machine mobile platform damping, by setting support plate and strut to do support and make
With installing second auxiliary buffer gear in shaft, after the cushioning effect by the first buffer rubber gasket, shaft rocks width
Degree is smaller, minimizes the effect of rocking of shaft by setting the 3rd buffer rubber gasket to be beneficial to realize, ensures that milling cutter is normal
Operation, also ensures moving platform monolithic stability；
4th, the utility model 4-coordinate series-parallel connection milling machine mobile platform damping, agrees with by using two half-cylinder structures
Tube-in-tube structure is formed, and the support plate is agreed with by two identical semicircular plates of structure and forms, easy to staff in shaft
Sleeve, support plate are removed from shaft in the case of upper installation milling cutter.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 faces cross section structure schematic diagram for the utility model；
Fig. 2 is the utility model spring damper axial cross section structure diagram；
Fig. 3 is the utility model sleeve overlooking the structure diagram.
Mark and corresponding parts title in attached drawing：1- moving platforms, 2- substrates, 3- supporting legs, 4- spring dampers, 5- pads
Plate, 6- first through hole, 7- motors, 8- shafts, 9- sleeves, the first buffer rubber gaskets of 10-, 11- fixed cylinders, 12- activity cylinders, 13-
Spring, 14- limited blocks, 15- spacing rings, the second buffer rubber gaskets of 16-, the first semicircular cylinders of 17-, the second semicircular cylinders of 18-, 19- branch
Plate, 20- struts, the second through holes of 21-, the 3rd buffer rubber gaskets of 22-, 23- connecting plates.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figures 1 to 3, the utility model provides a kind of 4-coordinate series-parallel connection milling machine mobile platform damping, including
Silent flatform, telescopic rod and moving platform 1, the axial both ends of telescopic rod are rotatablely connected with the silent flatform and moving platform 1 respectively, are moved flat
1 upper surface of platform is equipped with shock bracket, and shock bracket includes substrate 2, and substrate 2 is equipped with four equally distributed supporting legs 3, supporting leg 3
Bottom be equipped with spring damper 4 and backing plate 5 successively, backing plate 5 is bolted on moving platform 1.Positioned at the lower section of substrate 2
First through hole 6 is further opened with moving platform 1, first through hole 6 is equipped with internal thread.The upper surface of substrate 2 is equipped with motor 7, motor 7
Output terminal be equipped with shaft 8.Further include sleeve 9, the outer wall of sleeve 9 is equipped with external screw thread, the inner wall that first through hole 6 is adapted to and is equipped with the
One buffer rubber gasket 10, the free end of shaft 8 sequentially pass through sleeve 9 fixed in the substrate 2 and first through hole 6, shaft
8 are used to fix milling cutter through the end of the first through hole 6.The long axis direction length of sleeve 9 is more than the thickness of moving platform 1.For
It is excessive to prevent that sleeve 9 from rotating with shaft, sleeve 9 and moving platform 1 can be fixed by bolt.
Embodiment 2
Further improved on the basis of embodiment 1, the spring damper 4 includes fixed cylinder 11, movable cylinder 12 and bullet
Spring 13, the axial bottom of fixed cylinder 11 are fixed on backing plate 5, and axial one end of spring 13 is fixed on bottom, axis in fixed cylinder 11
Bottom in movable cylinder 12 is fixed on to the other end.It is inserted in interior fixed cylinder 11, the other end and the supporting leg 3 in movable axial one end of cylinder 12
Connection.The outside diameter of movable cylinder 12 is less than the internal diameter of fixed cylinder 11 and axial length is less than the half of 13 nature length of spring.
Movable cylinder 12, which is inserted at the port of fixed cylinder 11, is convexly equipped with limited block 14 on outer wall, at the axial top ports of fixed cylinder 11 on inner wall
Projection restraining position ring block 15, the outside diameter of limited block 14 are more than the internal diameter of spacing ring 15.Movable cylinder 12 is inserted on the port of fixed cylinder 11
Circumferentially it is equipped with the second buffer rubber gasket 16.
Embodiment 3
Further improved on the basis of embodiment 2, the sleeve 9 is passed through by the first semicircular cylinder 17 and the second semicircular cylinder 18
Magnet adsorption agrees with composition.
Embodiment 4
Further improved on the basis of embodiment 3, the damping further includes support plate 19, and support plate 19 is equipped with four
Equally distributed strut 20, the free end of strut 20 are fixed on 1 lower surface of moving platform；Support plate 19 is equipped with the second through hole
21, the 3rd buffer rubber gasket 22 is equipped with the second through hole 21.The free end of shaft 8 sequentially passes through 6 and second through hole of first through hole
It is used to fix milling cutter after 21.Strut 20 is fixed on moving platform 1 by connecting plate 23 and bolt.
Embodiment 5
Further improved on the basis of embodiment 4, the support plate 19 agrees with structure by two identical semicircular plates of structure
Into, and the strut 20 of identical quantity is set on each semicircular plate；Semicircle is opened up vertically at the circle of each semicircular plate
Shape notch, second through hole 21 is formed by two semicircular notch.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (8)
1. 4-coordinate series-parallel connection milling machine mobile platform damping, including silent flatform, telescopic rod and moving platform (1), the telescopic rod
Axial both ends be rotatablely connected respectively with the silent flatform and moving platform (1), it is characterised in that moving platform (1) upper surface
Equipped with shock bracket, the shock bracket includes substrate (2), and the substrate (2) is equipped with least three supporting legs (3), the branch
The bottom of leg (3) is equipped with spring damper (4) and backing plate (5) successively, and the backing plate (5) is bolted on moving platform (1)
On, first through hole (6) is further opened with the moving platform (1) below substrate (2), the first through hole (6) is equipped with interior spiral shell
Line；The upper surface of substrate (2) is equipped with motor (7), and the output terminal of the motor (7) is equipped with shaft (8)；Further include sleeve (9), institute
The outer wall for stating sleeve (9) is equipped with the external screw thread of the first through hole (6) adaptation, inner wall is equipped with the first buffer rubber gasket (10), institute
The free end for stating shaft (8) sequentially passes through sleeve (9) fixed in the substrate (2) and the first through hole (6), shaft
(8) it is used to fix milling cutter through the end of the first through hole (6).
2. 4-coordinate series-parallel connection milling machine mobile platform damping according to claim 1, it is characterised in that the spring subtracts
Shake device (4) includes fixed cylinder (11), movable cylinder (12) and spring (13), the axial bottom of the fixed cylinder (11) and is fixed on backing plate
(5) on, axial one end of the spring (13) is fixed on the interior bottom of fixed cylinder (11), the axial other end is fixed on movable cylinder (12)
Interior bottom；Described axial one end of activity cylinder (12) is inserted in fixed cylinder (11), the other end is connected with the supporting leg (3)；Movable cylinder
(12) outside diameter is less than the internal diameter of fixed cylinder (11) and axial length is less than the half of spring (13) nature length.
3. 4-coordinate series-parallel connection milling machine mobile platform damping according to claim 2, it is characterised in that the activity cylinder
(12) it is inserted at the port of fixed cylinder (11) on outer wall and is convexly equipped with limited block (14), at the axial top ports of the fixed cylinder (11)
Spacing ring (15) is convexly equipped with inner wall, the outside diameter of the limited block (14) is more than the internal diameter of spacing ring (15).
4. 4-coordinate series-parallel connection milling machine mobile platform damping according to claim 2, it is characterised in that the activity cylinder
(12) it is inserted on the port of fixed cylinder (11) and is circumferentially equipped with the second buffer rubber gasket (16).
5. 4-coordinate series-parallel connection milling machine mobile platform damping according to claim 1, it is characterised in that the sleeve
(9) agreed with by the first semicircular cylinder (17) and the second semicircular cylinder (18) by magnet adsorption and formed.
6. 4-coordinate series-parallel connection milling machine mobile platform damping according to claim 1, it is characterised in that the damping machine
Structure further includes support plate (19), and the support plate (19) is equipped with least two struts (20), and the free end of the strut (20) is consolidated
It is scheduled on moving platform (1) lower surface；Support plate (19) is equipped with the second through hole (21), and it is slow to be equipped with the 3rd in second through hole (21)
Rush rubber pad (22)；The free end of the shaft (8) sequentially passes through first through hole (6) and second through hole (21) and is used for afterwards admittedly
Determine milling cutter.
7. 4-coordinate series-parallel connection milling machine mobile platform damping according to claim 6, it is characterised in that the strut
(20) it is fixed on by connecting plate (23) and bolt on moving platform (1).
8. 4-coordinate series-parallel connection milling machine mobile platform damping according to claim 6, it is characterised in that the support plate
(19) agreed with by two identical semicircular plates of structure and formed, and the strut (20) of identical quantity is set on each semicircular plate；
Semicircular notch is opened up vertically at the circle of each semicircular plate, and forming described second by two semicircular notch leads to
Hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362688.3U CN207278776U (en) | 2017-10-20 | 2017-10-20 | 4-coordinate series-parallel connection milling machine mobile platform damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362688.3U CN207278776U (en) | 2017-10-20 | 2017-10-20 | 4-coordinate series-parallel connection milling machine mobile platform damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278776U true CN207278776U (en) | 2018-04-27 |
Family
ID=61981028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721362688.3U Expired - Fee Related CN207278776U (en) | 2017-10-20 | 2017-10-20 | 4-coordinate series-parallel connection milling machine mobile platform damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085875A (en) * | 2019-12-31 | 2020-05-01 | 广东科一智能装备有限公司 | Intelligent telescopic device |
-
2017
- 2017-10-20 CN CN201721362688.3U patent/CN207278776U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085875A (en) * | 2019-12-31 | 2020-05-01 | 广东科一智能装备有限公司 | Intelligent telescopic device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20181020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |