CN105090413A - Ball screw positioning system - Google Patents
Ball screw positioning system Download PDFInfo
- Publication number
- CN105090413A CN105090413A CN201510476684.7A CN201510476684A CN105090413A CN 105090413 A CN105090413 A CN 105090413A CN 201510476684 A CN201510476684 A CN 201510476684A CN 105090413 A CN105090413 A CN 105090413A
- Authority
- CN
- China
- Prior art keywords
- screw
- navigation system
- external member
- slide block
- ball screw
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
- F16H25/2209—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with arrangements for taking up backlash
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a ball screw positioning system. The ball screw positioning system comprises a transmission mechanism and a guiding mechanism, wherein the transmission mechanism consists of a high-speed noiseless ball screw and a high-accuracy nut in a matching manner; the guiding mechanism is used for realizing the guide through the matching of an accurate sliding block assembly structure and the transmission of guiding rails, and an exquisite compact sealing mechanism is selected for matching and using; the structural components are arranged on a high-tensile main body mounting steel beam. The ball screw positioning system not only can realize a high-speed high-accuracy repeated positioning function of a heavy load, but also can prolong the service life of the positioning system, and an optimal movement effect is achieved.
Description
Technical field
The present invention relates to machine tool control field, be specifically related to a kind of ball screw navigation system.
Background technique
Ball screw navigation system is the components mechanism adopting the ball screw of high-speed silent to coordinate highi degree of accuracy screw to form, and existing ball screw navigation system bearing capacity is little, and high speed repetitive positioning accuracy is low; And working life is general shorter, is easily subject to the impact of the impurity such as dust, accelerated wear test, often needs repairing, changes parts;
For above-mentioned reasons, the present inventor furthers investigate existing ball screw navigation system, develops the ball screw navigation system made new advances.
Summary of the invention
In order to overcome the problems referred to above, present inventor has performed and study with keen determination, design a kind of ball screw navigation system, the driving mechanism that the ball screw that this system comprises high-speed silent coordinates highi degree of accuracy screw to form, also by accurate slide block assembly respective outer side edges and the guide rail guide mechanism as transmission, and selected exquisite compact sealing mechanism come with the use of, the main body that said structure parts are all arranged on high strength is installed on girder steel, not only achieve the high speed of large load, high-precision resetting function, also improve the working life of this navigation system, and reach optimal movement effect, thus complete the present invention.
Specifically, the object of the present invention is to provide a kind of ball screw navigation system, this system comprises
For ensureing the slide block assembly of described navigation system precision of rectilinear motion,
Screw assembly close-fitting with ball screw 1, and
For sealing the seal trim strip assembly of described navigation system.
Wherein, described slide block assembly comprises slide block mounting plate 21, and described slide block mounting plate 21 is provided with slide block 22 and contiguous block 23,
Described slide block 22 has multiple, and multiple slide block 22 lays respectively at guide rail both sides,
Described contiguous block 23 one end is fixedly mounted on slide block mounting plate 21, and the other end and screw external member 33 are fixed.
Wherein, described contiguous block 23 is also provided with jackscrew 24, described jackscrew is screwed on described contiguous block 23 by screw thread;
Bottom described contiguous block, offer shallow slot, and described shallow slot has been embedded in insulation guide pad 25, the exposed part in contiguous block 23 outside of described insulation guide pad 25 is wedge type.
Wherein, the other end of described jackscrew withstands in the screw external member 33 of screw assembly.
Wherein, connected by adjustable bolt between described slide block mounting plate 21 and contiguous block 23.
Wherein, described screw assembly comprises,
Screw 31 and the screw external member 33 be arranged on above screw 31,
Wherein, it is outside that described screw 31 is set in ball screw 1, is provided with ball between screw and ball screw;
Described screw external member 33 top offers the groove placing Stamping Steel Ribbon 41, and the both sides of described groove have the slope of pre-determined tilt angle,
The nut sleeve 32 for connecting screw 31 and screw external member 33 is also provided with between described screw 31 and screw external member 33.
Wherein, in the groove at described screw external member 33 top, be also provided with insulating trip 34, described insulating trip between screw external member 33 and Stamping Steel Ribbon 41 to avoid screw external member 33 directly to contact with Stamping Steel Ribbon 41.
Wherein, described insulating trip 34 has two, and lay respectively in described groove and close described slope, the thickness of described insulating trip 34 is 1 ~ 3mm.
Wherein, connected by adjustable bolt between described screw external member 33 and described nut sleeve 32.
Wherein, described seal trim strip assembly comprises pressing plate 42 and Stamping Steel Ribbon 41,
Described pressing plate 42 is arranged on above Stamping Steel Ribbon in order to fixing seal bar 41.
The beneficial effect that the present invention has comprises:
(1) according to ball screw navigation system stable movement provided by the invention, ball screw navigation system is point cantact rolling motion, in work surface friction drag little, highly sensitive, start time without vibration, low speed time without creeping phenomenon, therefore critically can control microfeed.
(2) high according to ball screw Positioning System provided by the invention, in the motion of ball screw navigation system, temperature rise is less, and axial clearance can be eliminated and pre-stretching is carried out to compensate thermal stretching to leading screw by pretension, therefore can obtain higher positioning precision and repetitive positioning accuracy.
(3) according to ball screw navigation system good airproof performance provided by the invention, there is seal trim strip, pressing plate fixing under, under the cooperation on Wedged insulating guide pad and slope, screw external member top, fine ball screw is sealed, the working life of this navigation system can be extended.
Accompanying drawing explanation
Fig. 1 illustrates the overall structure schematic diagram according to a kind of preferred implementation of the present invention;
Fig. 2 illustrates the overall structure plan view according to a kind of preferred implementation of the present invention;
Fig. 3 illustrates the slide block assembly structural representation according to a kind of preferred implementation of the present invention;
Fig. 4 illustrates the screw modular construction schematic diagram according to a kind of preferred implementation of the present invention;
Fig. 5 illustrates the seal trim strip modular construction schematic diagram according to a kind of preferred implementation of the present invention.
Drawing reference numeral illustrates:
1-ball screw
21-slide block mounting plate
22-slide block
23-contiguous block
24-jackscrew
25-insulate guide pad
31-screw
32-nut sleeve
33-screw external member
34-insulating trip
41-Stamping Steel Ribbon
42-pressing plate
5-body pillar
Embodiment
Below by drawings and Examples, the present invention is described in more detail.Illustrated by these, the features and advantages of the invention will become more explicit.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
According to a kind of ball screw navigation system provided by the invention, this system mainly comprises slide block assembly, screw assembly and seal trim strip assembly;
Specifically, described slide block assembly is for ensureing described navigation system precision of rectilinear motion, play the effect of lateral Displacement, described screw assembly directly and ball screw 1 closely cooperate, length direction along ball screw under the drive of ball screw moves, described seal trim strip assembly, for sealing described navigation system, especially seals screw assembly wherein.
In one preferred embodiment, described slide block assembly comprises slide block mounting plate 21, described slide block mounting plate 21 is provided with slide block 22 and contiguous block 23, described slide block 22 has multiple, multiple slide block 22 lays respectively at guide rail both sides, by slide block and guide rail with the use of playing leading role, and ensure the precision of rectilinear motion of whole navigation system with this;
In one preferred embodiment, described contiguous block 23 one end is fixedly mounted on slide block mounting plate 21, and the other end and screw external member 33 are fixed, by the positional accuracy that fixedly ensure that screw and the stability of contiguous block and screw external member.
In one preferred embodiment, described contiguous block 23 is also provided with jackscrew 24, described jackscrew is screwed on described contiguous block 23 by screw thread; The other end of described jackscrew withstands in the screw external member 33 of screw assembly, by rotating and regulating the position of jackscrew, from the position of lateral adjustment screw external member, can realize the accurate location of screw external member.
In one preferred embodiment, bottom described contiguous block, offer shallow slot, and described shallow slot has been embedded in insulation guide pad 25, the exposed part in contiguous block 23 outside of described insulation guide pad 25 is wedge type.Insulation guide pad be made up of soft material, there is predetermined elasticity, generally select the materials such as teflon to make, wear-resisting and to Stamping Steel Ribbon produce wearing and tearing, the leading role to Stamping Steel Ribbon can also be played.
In one preferred embodiment, connected between described slide block mounting plate 21 and contiguous block 23 by adjustable bolt, described bolt can regulate the depth of screw-in and then can the position of trace ground control connection block in the vertical direction.
In one preferred embodiment, described screw assembly comprises, screw 31 and the screw external member 33 be arranged on above screw 31, and wherein, it is outside that described screw 31 is set in ball screw 1, is provided with ball between screw and ball screw;
In one preferred embodiment, described screw external member 33 top offers the groove placing Stamping Steel Ribbon 41, and the both sides of described groove have the slope of pre-determined tilt angle, described screw external member 33 top contacts with described jackscrew offering the part beyond described groove, locates even trim locations by jackscrew.Further, described groove is opened in middle part, and two jackscrews withstand on both sides respectively, to make uniform force, and can see shown in Fig. 2, Fig. 5.
In one preferred embodiment, the nut sleeve 32 for connecting screw 31 and screw external member 33 is also provided with between described screw 31 and screw external member 33, wherein, described nut sleeve one end is tubular, and be set in outside described screw, the other end is connected by adjustable bolt with screw external member 33, thus can pass through tools for bolts ' pretension screw, makes the gap between screw and ball screw meet work requirements.
The bolt arranged in the present invention can be eliminated axial clearance and carries out pre-stretching to leading screw, to compensate the bad phenomenon that thermal stretching etc. affects service precision by pretension.
In one preferred embodiment, insulating trip 34 is also provided with in the groove at described screw external member 33 top, described insulating trip between screw external member 33 and Stamping Steel Ribbon 41 to avoid screw external member 33 directly to contact with Stamping Steel Ribbon 41, described insulating trip is made up of wear-resisting nonmetallic material, be mainly used in support and play Stamping Steel Ribbon, avoid the wearing and tearing of Stamping Steel Ribbon, improve its working life, resistance when Stamping Steel Ribbon moves can also be reduced simultaneously, in the present invention preferably, described insulating trip 34 has two, lay respectively in described groove and close described slope, the thickness of described insulating trip 34 is 1 ~ 3mm, the most preferably thickness can be set to 2mm.
In one preferred embodiment, described seal trim strip assembly comprises pressing plate 42 and Stamping Steel Ribbon 41, and described pressing plate 42 is arranged in order to fixing seal bar 41 above Stamping Steel Ribbon, to prevent Stamping Steel Ribbon side direction vibration, and then affects sealing effect.
In one preferred embodiment, described navigation system is arranged in body pillar 5, and described body pillar is quarter bend structure, is arranged on below navigation system, is the main body of lathe, it is provided with the parts such as guide rail.
More than combine and preferred embodiment describe the present invention, but these mode of executions are only exemplary, only play illustrative effect.On this basis, can carry out multiple replacement and improvement to the present invention, these all fall within the scope of protection of the present invention.
Claims (10)
1. a ball screw navigation system, is characterized in that, this system comprises
For ensureing the slide block assembly of described navigation system precision of rectilinear motion,
Screw assembly close-fitting with ball screw (1), and
For sealing the seal trim strip assembly of described navigation system.
2. navigation system according to claim 1, is characterized in that, described slide block assembly comprises slide block mounting plate (21), and described slide block mounting plate (21) is provided with slide block (22) and contiguous block (23),
Described slide block (22) has multiple, and multiple slide block (22) lays respectively at guide rail both sides,
Described contiguous block (23) one end is fixedly mounted on slide block mounting plate (21), and the other end and screw external member (33) are fixed.
3. navigation system according to claim 2, is characterized in that,
Described contiguous block (23) is also provided with jackscrew (24), and described jackscrew is screwed on described contiguous block (23) by screw thread;
Bottom described contiguous block, offer shallow slot, and described shallow slot has been embedded in insulation guide pad (25), the exposed part outside at contiguous block (23) of described insulation guide pad (25) is wedge type.
4. navigation system according to claim 3, is characterized in that, the other end of described jackscrew withstands in the screw external member (33) of screw assembly.
5. navigation system according to claim 2, is characterized in that,
Connected by adjustable bolt between described slide block mounting plate (21) and contiguous block (23).
6. navigation system according to claim 1 and 2, is characterized in that, described screw assembly comprises,
Screw (31) and the screw external member (33) be arranged on above screw (31),
Wherein, it is outside that described screw (31) is set in ball screw (1), is provided with ball between screw and ball screw;
Described screw external member (33) top offers the groove placing Stamping Steel Ribbon (41), and the both sides of described groove have the slope of pre-determined tilt angle,
The nut sleeve (32) for connecting screw (31) and screw external member (33) is also provided with between described screw (31) and screw external member (33).
7. navigation system according to claim 6, is characterized in that,
In the groove at described screw external member (33) top, be also provided with insulating trip (34), described insulating trip between screw external member (33) and Stamping Steel Ribbon (41) to avoid screw external member (33) directly to contact with Stamping Steel Ribbon (41).
8. navigation system according to claim 7, is characterized in that,
Described insulating trip (34) has two, and lay respectively in described groove and close described slope, the thickness of described insulating trip (34) is 1 ~ 3mm.
9. navigation system according to claim 6, is characterized in that,
Connected by adjustable bolt between described screw external member (33) and described nut sleeve (32).
10. navigation system according to claim 1, is characterized in that,
Described seal trim strip assembly comprises pressing plate (42) and Stamping Steel Ribbon (41),
Described pressing plate (42) is arranged on above Stamping Steel Ribbon in order to fixing seal bar (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476684.7A CN105090413A (en) | 2015-08-06 | 2015-08-06 | Ball screw positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476684.7A CN105090413A (en) | 2015-08-06 | 2015-08-06 | Ball screw positioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105090413A true CN105090413A (en) | 2015-11-25 |
Family
ID=54571476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510476684.7A Pending CN105090413A (en) | 2015-08-06 | 2015-08-06 | Ball screw positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105090413A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015488A (en) * | 2016-07-29 | 2016-10-12 | 成都普瑞斯数控机床有限公司 | Movable positioning system for ball screw |
| CN106224477A (en) * | 2016-07-29 | 2016-12-14 | 成都普瑞斯数控机床有限公司 | Double compensation formula ball-screw mobile system |
| CN107243711A (en) * | 2017-07-27 | 2017-10-13 | 智迈德有限公司 | Girder steel group vertical position welding connects correction all-in-one |
-
2015
- 2015-08-06 CN CN201510476684.7A patent/CN105090413A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015488A (en) * | 2016-07-29 | 2016-10-12 | 成都普瑞斯数控机床有限公司 | Movable positioning system for ball screw |
| CN106224477A (en) * | 2016-07-29 | 2016-12-14 | 成都普瑞斯数控机床有限公司 | Double compensation formula ball-screw mobile system |
| CN107243711A (en) * | 2017-07-27 | 2017-10-13 | 智迈德有限公司 | Girder steel group vertical position welding connects correction all-in-one |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |