CN203636503U - Screw rod transmission stability supporting device - Google Patents
Screw rod transmission stability supporting device Download PDFInfo
- Publication number
- CN203636503U CN203636503U CN201320867616.XU CN201320867616U CN203636503U CN 203636503 U CN203636503 U CN 203636503U CN 201320867616 U CN201320867616 U CN 201320867616U CN 203636503 U CN203636503 U CN 203636503U
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- CN
- China
- Prior art keywords
- ring sleeve
- screw rod
- ball screw
- bearing
- stable support
- Prior art date
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a screw rod transmission stability supporting device which comprises a ball screw rod. The two ends of the ball screw rod are provided with supports. The ball screw rod is connected with a motor and provided with a stability support. The stability support comprises a two-way swing stabilizing device and an adjustable support supporting device. The two-way swing stabilizing device comprises an inner ring sleeve, a middle ring sleeve, an outer ring sleeve, locating shafts and bearings. The inner ring sleeve is installed and fixed on a screw rod nut. The inner ring sleeve and the middle ring sleeve are respectively and symmetrically provided with one locating shaft from the two ends of an X shaft, wherein the locating shafts are connected through one bearing. The upper end of the outer ring sleeve is connected with a work table. The middle ring sleeve and the outer ring sleeve are respectively and symmetrically provided with one locating shaft from the two ends of a Y shaft, wherein the locating shafts are connected through another bearing. The adjustable support supporting device comprises a support, ejector rods, a nut, Belleville springs, a pressing plate and a floatation chassis and is installed at the lower end of the outer ring sleeve. The spherical ejector rods are arranged between the support and the floatation chassis and connected in a sliding mode, and a plurality of pairs of the Belleville springs are installed outside the ejector rods. The floatation chassis is provided with a plurality of air nozzles uniformly distributed. High precision and smooth transmission of stability supporting can be achieved.
Description
Technical field
The utility model relates to a kind of screw rod transmission stable support device.
Background technology
The part processing of high accuracy, best bright finish, need high-precision machine tool to process, high-precision machine tool need to have high accuracy and feed system stably, machining accuracy because of screw mandrel, guide rail in traditional feed system affects, make the not all right motion that is in line of transmission feeding out, but small beating, this is fatal to high-accuracy processing.
Utility model content
Its object of the utility model is just to provide a kind of screw rod transmission stable support device, can make stable support realize high accuracy, steadily transmission.
The technical scheme that realizes above-mentioned purpose and take, comprise ball screw, ball screw two ends are provided with support, ball screw connects motor, described ball screw is provided with stable support, stable support comprises bidirectional swinging stabilising arrangement, adjustable seats supporting arrangement, described bidirectional swinging stabilising arrangement comprises inner ring sleeve, middle ring sleeve, exterior ring cap, locating shaft and bearing, inner ring sleeve is fixed on feed screw nut, inner ring sleeve is connected by bearing by an X-axis two ends locating shaft of each symmetrical installation with middle ring sleeve, exterior ring cap upper end is connected with workbench, middle ring sleeve is connected by bearing by a Y-axis two ends locating shaft of each symmetrical installation with exterior ring cap, described adjustable seats supporting arrangement comprises bearing, push rod, nut, butterfly spring, platen, air supporting chassis, be arranged on exterior ring cap lower end, in the middle of bearing and air supporting chassis, being provided with spherical push rod is slidably connected, at the multipair butterfly spring of the outside installation of push rod, described air supporting chassis is provided with multiple uniform valves.
Compared with prior art the utlity model has following advantage.
1, drive lead screw motion holding table normally moves;
2, screw mandrel is in operation and is not subject to the heavy pressure influence in workbench upper strata, do not cause screw mandrel stress deformation;
3, servomotor operation moment of torsion is not decomposed by gravity;
4, running precision is high, steady, long service life;
5, the element precision that the lathe transmission of manufacturing by this supporting is produced is high, highly polished.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is this apparatus structure schematic diagram;
Fig. 2 is stabilizing supporting structure schematic front view in this device;
Fig. 3 is A-A cutaway view in Fig. 2.
The specific embodiment
This device comprises ball screw 2, and ball screw 2 two ends are provided with support 1, and ball screw 2 connects motor 5, as Fig. 1, 2, shown in 3, described ball screw 2 is provided with stable support 3, and stable support 3 comprises bidirectional swinging stabilising arrangement 6, adjustable seats supporting arrangement 7, described bidirectional swinging stabilising arrangement 6 comprises inner ring sleeve 12, middle ring sleeve 9, exterior ring cap 8, locating shaft 11 and bearing 10, inner ring sleeve 12 is fixed on ball screw 2, inner ring sleeve 12 is connected by bearing 10 by an X-axis two ends locating shaft 11 of each symmetrical installation with middle ring sleeve 9, exterior ring cap 8 upper ends are connected with workbench, middle ring sleeve 9 is connected by bearing by a Y-axis two ends locating shaft of each symmetrical installation with exterior ring cap 8, and described adjustable seats supporting arrangement 7 comprises bearing 13, push rod 15, nut 14, butterfly spring 18, platen 17, air supporting chassis 16, is arranged on exterior ring cap 8 lower ends, is provided with spherical push rod 15 and is slidably connected in the middle of bearing 13 and air supporting chassis 16, and at the multipair butterfly spring 18 of push rod 15 outside installation, described air supporting chassis 16 is provided with multiple uniform valves 4.
Described motor 5 is servomotor.
On ball screw 2, be provided with this stable support 3, formed by bidirectional swinging stabilising arrangement 6 and adjustable seats supporting arrangement 7.In the time that lathe etc. passes through screw rod transmission, by stable support is installed in the middle of screw mandrel, workbench is carried out to transmission, workbench is connected with guide rail.Can eliminate because of the X that the accuracy of manufacture of screw mandrel produces, the impact of beating on workbench transmission of Y both direction; Can eliminate because of the X that the precision of guide rail causes, the impact of beating on screw rod transmission of Y both direction; Can eliminate the weight power to screw mandrel because of workbench and workbench topper body weight, prevent from causing the distortion of screw mandrel, guarantee the precision of transmission.
Bidirectional swinging stabilising arrangement 6 parts are made up of inner ring sleeve 12, middle ring sleeve 9, exterior ring cap 8, locating shaft 11 and bearing 10.It is upper that inner ring sleeve is fixed on feed screw nut, and inner ring sleeve is connected by bearing by an X-axis two ends locating shaft of each symmetrical installation with middle ring sleeve, in the middle of two ring sets, leaves gap, 2mm left and right, can realize the small angle oscillation 2mm gap in of middle ring sleeve around X-axis; Exterior ring cap upper end is connected with workbench, and middle ring sleeve is connected by bearing by a Y-axis two ends locating shaft of each symmetrical installation with exterior ring cap, in the middle of two ring sets, leaves gap, 2mm left and right, can realize the small angle oscillation 2mm gap in of middle ring sleeve around Y-axis.
Be provided with adjustable seats supporting arrangement 7 in bottom, formed by bearing 13, push rod 15, nut 14, butterfly spring 18, platen 17, air supporting chassis 16, be arranged on exterior ring cap 8 lower ends.In the middle of bearing and air supporting chassis, be provided with spherical push rod and be slidably connected, at the multipair butterfly spring of the outside installation of push rod, by look nut, push butterfly spring by platen and form support pressure.
Be provided with air supporting chassis, pressure-air ejects high pressure reaction force by multiple uniform valves, air supporting chassis is suspended on plane to low friction, low vibration, low temperature, stable drive.
1 stabilizing supporting structure feature
This stable support, the primary structure feature that is different from other types supporting is: the one, adopt bidirectional swinging steady component to eliminate the transmission impact of two aspects; The 2nd, bottom is provided with the governor motion of spherical push rod and butterfly spring composition; The 3rd, adjustable seats has adopted air supporting chassis.
2 operation principles
Stable support is installed in the middle of screw mandrel, and connecting working table is with the finish the work feeding of platform of screw mandrel running.When screw mandrel rotation, feed screw nut moves relative to screw mandrel, and stable support is connected thereupon and moves with feed screw nut, drives workbench along guide rail movement.When screw mandrel because of foozle produce X to or Y-direction while beating, by the bidirectional swinging of stable support, middle ring sleeve is produced around X-axis or Y-axis small angle oscillation, by error concealment at middle ring sleeve place no longer to workbench transmission, holding table and screw mandrel relative transmitted motion stably; Otherwise, in the time that guide rail has not between flat spot or two guide rails micro-height, can eliminate error by the middle ring sleeve bidirectional swinging of stable support equally, holding table does not steadily cause distortion to injure to screw mandrel with the relative of screw mandrel; By being arranged on the adjustable support of stable support lower end, adjust the thrust of butterfly spring and the air inlet air pressure on air supporting chassis, produce supporting force upwards, eliminate because of workbench and workbench topper body weight the weight power to screw mandrel, prevent from causing the distortion of screw mandrel, guarantee the precision of transmission; By air supporting chassis is set, adjust air pressure and complete upwards supporting force and realize smooth motion.Said structure can make stable support realize high accuracy, steadily transmission.
Claims (2)
1. a screw rod transmission stable support device, comprise ball screw (2), ball screw (2) two ends are provided with support (1), ball screw (2) connects motor (5), it is characterized in that, described ball screw (2) is provided with stable support (3), stable support (3) comprises bidirectional swinging stabilising arrangement (6), adjustable seats supporting arrangement (7), described bidirectional swinging stabilising arrangement (6) comprises inner ring sleeve (12), middle ring sleeve (9), exterior ring cap (8), locating shaft (11) and bearing (10), inner ring sleeve (12) is fixed on ball screw (2), inner ring sleeve (12) is connected by bearing (10) by the each symmetrical locating shaft (11) of installing in X-axis two ends with middle ring sleeve (9), exterior ring cap (8) upper end is connected with workbench, middle ring sleeve (9) is connected by bearing by a Y-axis two ends locating shaft of each symmetrical installation with exterior ring cap (8), described adjustable seats supporting arrangement (7) comprises bearing (13), push rod (15), nut (14), butterfly spring (18), platen (17), air supporting chassis (16), be arranged on exterior ring cap (8) lower end, in the middle of bearing (13) and air supporting chassis (16), being provided with spherical push rod (15) is slidably connected, at the outside multipair butterfly spring (18) of installing of push rod (15), described air supporting chassis (16) is provided with multiple uniform valves (4).
2. a kind of screw rod transmission stable support device according to claim 1, is characterized in that, described motor (5) is servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867616.XU CN203636503U (en) | 2013-12-26 | 2013-12-26 | Screw rod transmission stability supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867616.XU CN203636503U (en) | 2013-12-26 | 2013-12-26 | Screw rod transmission stability supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636503U true CN203636503U (en) | 2014-06-11 |
Family
ID=50867782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320867616.XU Withdrawn - After Issue CN203636503U (en) | 2013-12-26 | 2013-12-26 | Screw rod transmission stability supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203636503U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692281A (en) * | 2013-12-26 | 2014-04-02 | 江西中船航海仪器有限公司 | Lead screw transmission stabilizing support device |
| CN104493615A (en) * | 2014-12-19 | 2015-04-08 | 无锡大龙马数控机床制造有限责任公司 | Y-axis feed drive device |
| CN109488738A (en) * | 2019-01-07 | 2019-03-19 | 东莞市兆丰精密仪器有限公司 | A kind of diaphragm type screw rod flexible connection device |
-
2013
- 2013-12-26 CN CN201320867616.XU patent/CN203636503U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692281A (en) * | 2013-12-26 | 2014-04-02 | 江西中船航海仪器有限公司 | Lead screw transmission stabilizing support device |
| CN103692281B (en) * | 2013-12-26 | 2016-08-17 | 江西中船航海仪器有限公司 | A kind of screw rod transmission stable support device |
| CN104493615A (en) * | 2014-12-19 | 2015-04-08 | 无锡大龙马数控机床制造有限责任公司 | Y-axis feed drive device |
| CN109488738A (en) * | 2019-01-07 | 2019-03-19 | 东莞市兆丰精密仪器有限公司 | A kind of diaphragm type screw rod flexible connection device |
| CN109488738B (en) * | 2019-01-07 | 2023-09-12 | 东莞市兆丰精密仪器有限公司 | Diaphragm type screw rod flexible connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |