CN205618620U - Accurate position adjustment device and ball thereof - Google Patents
Accurate position adjustment device and ball thereof Download PDFInfo
- Publication number
- CN205618620U CN205618620U CN201620140161.5U CN201620140161U CN205618620U CN 205618620 U CN205618620 U CN 205618620U CN 201620140161 U CN201620140161 U CN 201620140161U CN 205618620 U CN205618620 U CN 205618620U
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- sliding nut
- ball
- leading screw
- screw
- housing
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Abstract
The utility model discloses a ball, including resilient means, lead screw, a sliding nut and the 2nd sliding nut, a sliding nut with the 2nd sliding nut sets up on the lead screw, the resilient means compression sets up a sliding nut with just overlap between the 2nd sliding nut and establish on the lead screw. Ball can the level places and also can vertically place to for the example during vertical placing, a sliding nut be sliding nut, and the 2nd sliding nut is sliding nut down, goes up sliding nut and carries out the pretension through resilient means between the sliding nut down, be used for the elimination because of the clearance between processing and lead screw and the sliding nut along with the ball of reasons such as the change production of direction of motion and the clearance between the lead screw, improved transmission precision. The size of resilient means's pretightning force is adjusted according to use occasion and load size. The utility model also discloses an accurate position adjustment device of adopting above -mentioned ball.
Description
Technical field
This utility model relates to transmission art field, particularly relates to a kind of precision positions adjusting apparatus and ball-screw thereof.
Background technology
Common apparatus for adjusting position has electricity driving displacement platform based on ball-screw-transmission form and manual displacement platform, also has displacement based on scissors drive mechanism regulation platform.The type of drive of electricity driving displacement platform is generally step motor drive, is attached by shaft coupling between output shaft and the turn-screw of displacement platform of motor.The gyration of motor is converted to the translation of displacement platform by screw pair.The type of drive of manual displacement platform is that manual differential head drives, and in addition, remainder is all identical with electricity driving displacement platform.
In existing electricity driving displacement platform and manual displacement platform technical scheme, being and be directly connected between power shaft and lead screw transmission assembly, transmission accuracy is affected by lead screw machining precision and feed screw nut quality of fit.In order to obtain higher transmission accuracy, improve quality of fit frequently with lappingout leading screw.It addition, during horizontal level regulates, the gap between this leading screw and sliding nut can change along with the change of the direction of motion, reduces transmission accuracy.
Therefore, how to provide a kind of ball-screw, to improve transmission accuracy, be current those skilled in the art technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of ball-screw, to improve transmission accuracy.Another object of the present utility model is to provide a kind of precision positions adjusting apparatus using above-mentioned ball-screw.
In order to achieve the above object, the following technical scheme of this utility model offer:
A kind of ball-screw, including elastic device, leading screw, the first sliding nut and the second sliding nut, described first sliding nut and described second sliding nut are arranged on described leading screw, and the compression of described elastic device is arranged between described first sliding nut and described second sliding nut and is set on described leading screw.
Preferably, above-mentioned elastic device is spring.
This utility model also provides for a kind of precision positions adjusting apparatus, including ball-screw, also include housing, first gear, second gear, driving means, sliding panel and rail plate, described ball-screw is the ball-screw as described in above-mentioned any one, wherein, one end of described leading screw is spindle rotationally arranged in one end of described housing, the other end of described leading screw is spindle rotationally arranged in the other end of described housing, described driving means drives described first pinion rotation, described second gear engages with described first gear, described second geared sleeve is located at one end and both fixing connections of described leading screw, described sliding panel is fixedly connected with the sidewall of described first sliding nut and described second sliding nut, described rail plate is fixing on the housing, described sliding panel is slidably disposed on described rail plate.
Preferably, above-mentioned housing includes that upper shell and lower house, described upper shell have top cover and the endless wall of integral structure, described lower house is bottom, described top cover seals the top of described endless wall, and described bottom fastens the bottom being fixed on described endless wall, forms described housing.
Preferably, above-mentioned rail plate is two and arranges relative to the axis place plane symmetry of described leading screw.
Preferably, above-mentioned sliding panel being provided with push rod, described push rod has load installed surface after stretching out described housing, and described push rod is positioned at the axis institute of described leading screw in the plane.
Preferably, above-mentioned rail plate is two cylinders, described sliding panel is symmetrically arranged with two cylindrical holes and uses with described two cylindrical fits.
Preferably, the diameter of above-mentioned first gear is less than the diameter of described second gear.
Preferably, the two ends of above-mentioned leading screw are arranged on the housing by bearing.
Preferably, above-mentioned sliding panel vertically slides or level is slided.
The ball-screw that this utility model provides, including elastic device, leading screw, the first sliding nut and the second sliding nut, described first sliding nut and described second sliding nut are arranged on described leading screw, and the compression of described elastic device is arranged between described first sliding nut and described second sliding nut and is set on described leading screw.Ball-screw can also vertically can be placed with horizontal positioned, as a example by during vertically to place, first sliding nut is upper sliding nut, second sliding nut is lower slider nut, pretension is carried out by elastic device between upper sliding nut and lower slider nut, for eliminating because of the gap between the gap between processing and leading screw and the sliding nut reasons such as change produce along with the change of the direction of motion ball and leading screw, improve transmission accuracy.The size of the pretightning force of elastic device is adjusted according to use occasion and load.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the precision positions adjusting apparatus that Fig. 1 provides for this utility model embodiment.
In figure 1 above:
First sliding nut the 1, second sliding nut 2, spring 3, upper shell 4, lower house the 5, first gear the 6, second gear 7, sliding panel 8, rail plate 9, bearing 10, load installed surface 11, motor mount 12.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to the structural representation of the precision positions adjusting apparatus that Fig. 1, Fig. 1 provide for this utility model embodiment.
The ball-screw that this utility model embodiment provides, including elastic device, leading screw, the first sliding nut 1 and the second sliding nut 2, first sliding nut 1 and the second sliding nut 2 are arranged on leading screw, and elastic device compression is arranged between the first sliding nut 1 and the second sliding nut 2 and is set on leading screw.Ball-screw can also vertically can be placed with horizontal positioned, as a example by during vertically to place, first sliding nut 1 is upper sliding nut, second sliding nut 2 is lower slider nut, pretension is carried out by elastic device between upper sliding nut and lower slider nut, for eliminating because of the gap between the gap between processing and leading screw and the sliding nut reasons such as change produce along with the change of the direction of motion ball and leading screw, improve transmission accuracy.The size of the pretightning force of elastic device is adjusted according to use occasion and load.Wherein, elastic device can be spring 3, and spring 3 is easy to be set on leading screw.
This utility model embodiment also provides for a kind of precision positions adjusting apparatus, including ball-screw, also include housing, first gear 6, second gear 7, driving means, sliding panel 8 and rail plate 9, ball-screw is the ball-screw as described in above-mentioned any one embodiment, wherein, one end of leading screw is spindle rotationally arranged in one end of housing, the other end of leading screw is spindle rotationally arranged in the other end of housing, driving means drives the first gear 6 to rotate, second gear 7 engages with the first gear 6, second gear 7 is set in one end and both fixing connections of leading screw, sliding panel 8 is fixedly connected with the sidewall of the first sliding nut 1 and the second sliding nut 2, rail plate 9 is fixed on housing, sliding panel 8 is slidably disposed on rail plate 9.Wherein, housing includes upper shell 4 and lower house 5, and upper shell 4 has top cover and the endless wall of integral structure, and lower house 5 is bottom, and top cover seals the top of endless wall, and bottom fastens the bottom being fixed on endless wall, forms housing.Wherein, driving means can be motor.Rail plate 9 can be two cylinders, sliding panel 8 is symmetrically arranged with two cylindrical holes and two cylindrical fits use, and two cylinders are arranged relative to the plane symmetry at leading screw axis place, are symmetrical arranged and make capable transmission more balance.
Concrete, the two ends of leading screw are arranged on housing by bearing, it is fixed on upper shell 4 and lower house 5 by bearing the most respectively, wherein, lower house 5 provides one of them bearing, for installing the installation of rail plate 9 one end of the motor mount 12 of motor, cylindrical shape and fixing, its version is swinging cavity body structure.Upper shell 4 provides the other end of installation of rail plate 9 of another one bearing 10 and cylindrical shape to fix.The rotating accuracy of whole ball-screw is ensured by quality of fit and the bearing saddle bore positional precision on lower house 5 and upper shell 4 of seam between lower house 5 and upper shell 4.
Motor is arranged on above motor mount 12, and mounting means is end flanges formula mounting structure.Being provided with driving gear, the i.e. first gear 6 on motor output shaft, driving the fit system between gear and motor output shaft is interference fit joint, between the two without relatively rotating.Driven gear, the i.e. second gear 7, be arranged on ball-screw, both by bonded carry out circumferentially positioned, between the two without relatively rotating, the diameter of the first gear 6 be less than the second gear 7 diameter, transmission is more accurate and more laborsaving.
Carry out pretension by spring 3 between upper sliding nut and lower slider nut, for eliminating because of the gap between the gap between processing and leading screw and the sliding nut reasons such as change produce along with the change of the direction of motion ball and leading screw, improve transmission accuracy.The size of pretightning force is adjusted according to use occasion and load.The version of sliding panel 8 is plate structure, two parallel cylindrical holes are had on it, this cylindrical hole structure forms, with the outer surface of the rail plate 9 of cylindrical shape, the shaft hole matching slided, and the rail plate 9 of cylindrical shape is then the guiding mechanism in sliding process.
Connected mode between sliding panel 8 with two sliding nuts is that screw is connected, without relative motion.It is provided with push rod on sliding panel 8, push rod has load installed surface 11 after stretching out housing, push rod is positioned at the axis institute of leading screw in the plane, sliding panel 8 can vertically slide, can also level slide, depending on ball-screw horizontal positioned or vertically place, load installed surface 11 is for installing the device or equipment being conditioned.
The electric current that drives in motor turning course is inputted by the electric connector being arranged on lower house 5, the position signalling that the encoder that motor tail end carries produces is transferred to external signal harvester by adapter, it is simple to the extension elongation of load installed surface 11 is carried out accurate control.Electrical connection interface and mechanical mounting interface that whole device is external all concentrate on lower house 5.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.Multiple amendment to these embodiments will be apparent from for those skilled in the art, and generic principles defined herein can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a ball-screw, it is characterised in that include elastic device, leading screw, the first sliding nut and
Second sliding nut,
Described first sliding nut and described second sliding nut are arranged on described leading screw, described elastic dress
Put compression be arranged between described first sliding nut and described second sliding nut and be set in described leading screw
On.
Ball-screw the most according to claim 1, it is characterised in that described elastic device is spring.
3. a precision positions adjusting apparatus, including ball-screw, it is characterised in that also include housing,
First gear, the second gear, driving means, sliding panel and rail plate, described ball-screw is as above
State the ball-screw described in claim 1-2 any one,
Wherein,
One end of described leading screw is spindle rotationally arranged in one end of described housing, and the other end of described leading screw can
The other end being arranged on described housing rotated,
Described driving means drives described first pinion rotation,
Described second gear engages with described first gear,
Described second geared sleeve is located at one end and both fixing connections of described leading screw,
Described sliding panel is all fixing with the sidewall of described first sliding nut and described second sliding nut even
Connect,
Described rail plate is fixing on the housing, and described sliding panel is slidably disposed in described slip
On guide rail.
Precision positions adjusting apparatus the most according to claim 3, it is characterised in that described housing bag
Including upper shell and lower house, described upper shell has top cover and an endless wall of integral structure, described under
Housing is bottom, and described top cover seals the top of described endless wall, and described bottom fastening is fixed on described
The bottom of endless wall, forms described housing.
Precision positions adjusting apparatus the most according to claim 3, it is characterised in that described slip is led
Rail is two and arranges relative to the axis place plane symmetry of described leading screw.
Precision positions adjusting apparatus the most according to claim 3, it is characterised in that described sliding panel
On be provided with push rod, described push rod has load installed surface after stretching out described housing, described push rod is positioned at institute
State the axis institute of leading screw in the plane.
Precision positions adjusting apparatus the most according to claim 3, it is characterised in that described slip is led
Rail is two cylinders, described sliding panel is symmetrically arranged with two cylindrical holes and joins with described two cylinders
Close and use.
Precision positions adjusting apparatus the most according to claim 3, it is characterised in that described first tooth
The diameter of wheel is less than the diameter of described second gear.
Precision positions adjusting apparatus the most according to claim 3, it is characterised in that described leading screw
Two ends are arranged on the housing by bearing.
Precision positions adjusting apparatus the most according to claim 3, it is characterised in that described slip
Plate vertically slides or level is slided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140161.5U CN205618620U (en) | 2016-02-24 | 2016-02-24 | Accurate position adjustment device and ball thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140161.5U CN205618620U (en) | 2016-02-24 | 2016-02-24 | Accurate position adjustment device and ball thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618620U true CN205618620U (en) | 2016-10-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620140161.5U Active CN205618620U (en) | 2016-02-24 | 2016-02-24 | Accurate position adjustment device and ball thereof |
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| CN (1) | CN205618620U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768834A (en) * | 2016-11-30 | 2017-05-31 | 无锡明珠增压器制造有限公司 | Fan blade adjusting means |
| CN106768835A (en) * | 2016-11-30 | 2017-05-31 | 无锡明珠增压器制造有限公司 | For the fan blade adjusting means of wave measurement |
| CN106768833A (en) * | 2016-11-30 | 2017-05-31 | 无锡明珠增压器制造有限公司 | The fan blade adjusting means of wave measurement machine |
| CN106763613A (en) * | 2017-02-15 | 2017-05-31 | 池州市邦鼐机电科技有限公司 | A kind of knuckle reductor |
| CN108253106A (en) * | 2016-12-29 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of leading screw and nut mechanism |
| CN109915557A (en) * | 2019-04-03 | 2019-06-21 | 南昌汇达知识产权有限公司 | A kind of bearing-type reciprocating screw rod structure reducing abrasion |
| CN110586699A (en) * | 2019-08-21 | 2019-12-20 | 浙江工业大学之江学院 | Transmission mechanism for metal pipe section trimming and shape preserving device |
| CN113211110A (en) * | 2021-04-20 | 2021-08-06 | 台州市东部数控设备有限公司 | Inclined guide rail machine tool |
-
2016
- 2016-02-24 CN CN201620140161.5U patent/CN205618620U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768834A (en) * | 2016-11-30 | 2017-05-31 | 无锡明珠增压器制造有限公司 | Fan blade adjusting means |
| CN106768835A (en) * | 2016-11-30 | 2017-05-31 | 无锡明珠增压器制造有限公司 | For the fan blade adjusting means of wave measurement |
| CN106768833A (en) * | 2016-11-30 | 2017-05-31 | 无锡明珠增压器制造有限公司 | The fan blade adjusting means of wave measurement machine |
| CN106768834B (en) * | 2016-11-30 | 2019-04-12 | 无锡明珠增压器制造有限公司 | Fan blade regulating device |
| CN106768833B (en) * | 2016-11-30 | 2019-04-12 | 无锡明珠增压器制造有限公司 | The fan blade regulating device of wave measurement machine |
| CN106768835B (en) * | 2016-11-30 | 2019-06-07 | 无锡明珠增压器制造有限公司 | Fan blade regulating device for wave measurement |
| CN108253106A (en) * | 2016-12-29 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of leading screw and nut mechanism |
| CN106763613A (en) * | 2017-02-15 | 2017-05-31 | 池州市邦鼐机电科技有限公司 | A kind of knuckle reductor |
| CN109915557A (en) * | 2019-04-03 | 2019-06-21 | 南昌汇达知识产权有限公司 | A kind of bearing-type reciprocating screw rod structure reducing abrasion |
| CN110586699A (en) * | 2019-08-21 | 2019-12-20 | 浙江工业大学之江学院 | Transmission mechanism for metal pipe section trimming and shape preserving device |
| CN113211110A (en) * | 2021-04-20 | 2021-08-06 | 台州市东部数控设备有限公司 | Inclined guide rail machine tool |
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| GR01 | Patent grant |