CN104141757A - Ball Screw driver - Google Patents
Ball Screw driver Download PDFInfo
- Publication number
- CN104141757A CN104141757A CN201410189577.1A CN201410189577A CN104141757A CN 104141757 A CN104141757 A CN 104141757A CN 201410189577 A CN201410189577 A CN 201410189577A CN 104141757 A CN104141757 A CN 104141757A
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- CN
- China
- Prior art keywords
- main body
- ball screw
- recess
- screw thread
- passage
- 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.)
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Classifications
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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
- F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
- F16H25/2219—Axially mounted end-deflectors
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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
- F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
- F16H2025/2271—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers with means for guiding circulating rollers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a ball screw driver with a recirculating ball nut which can be moved and guided along a spindle. The recirculating ball nut is supported on an endless circulating chain composed of individual balls which are accommodated between the helical threads of the one part of the ball nut and the other part of the spindle and serve as rolling elements. The balls are in the operation of the ball screw driver guided (returned) via a recirculation device formed on the recirculating ball nut from an end portion of the recirculating ball nut to the other end portion of the recirculating ball nut. The recirculation device has a return channel which is parallel to the spindle and extends inside the recirculating ball nut, and has a diversion channel which is disposed in each end portion and connects the thread line of the recirculating ball nut with the return channel, so that the balls are guided from the thread line to the return channel (or return back) via the diversion channel. According to the invention, the return channel and at least portions of the diversion channel formed in or on a one-piece plastic liner or plastic part that is injected through injection molding substantially or completely into a z-shaped groove of the recirculating ball nut directly.
Description
Technical field
The present invention relates to smaller ball screw thread driver (Kugelgewindetribe), especially Miniature ball screw thread driver, wherein, a circulation ball nut (Kugelumlaufmutter) is movable and guiding along a main shaft.Described circulation ball nut sleeve shape ground surrounds described main shaft.In the situation that the rotary actuation of described main shaft, the low frictionally translation of described circulation ball nut ground travels along described main shaft.For this reason, in described circulation ball nut, thread groove is set on the one hand in described main shaft and on the other hand, the ball being arranged between described two members rolls in described thread groove.Described master unit is metal in the case mostly, and other parts can be made of plastics.In the case, be especially known that the leading-in device that returns for ball being made of plastics is set.Via this time leading-in device by described ball when its rolling motion finishes by described groove return draw and again " infeed " between described main shaft and described circulation ball nut.
In the situation that little ball screw thread driver has drawn following problem, the plastic part of manufacturing in plastic injection-moulded method cannot at random diminish.In this manufacture method, inevitably tolerance makes the cooperation of these parts that difficulty is especially installed accurately.
Background technique
DE 101 41 996 B4 show a ball screw thread driver, and its circulation ball nut is formed from steel and utilizes a plastic jacket injection moulding coated, and this plastic jacket forms the turning part and of an inside and returns to boring.The turning part of one outside is formed by an end cap separating being made of plastics.
JP 2010-038196 A and EP 2 218 942 A1 show the skirt that returns of two parts that separate that are made of plastics, and its returning of a z shape being contained in described circulation ball nut is drawn in recess.Due to this manufacture separating of described time skirt, it is not or not seamlessly and therefore to match with a gap on the recess of described z shape.
Summary of the invention
In contrast, task of the present invention is, proposes a kind of ball screw thread driver, and it can also can be manufactured with little physical dimension simply and inexpensively, and its time leading-in device can accurately produce in the case.
This task solves by having the ball screw thread driver of the feature of claim 1.
The main body that claimed ball screw thread driver has a metal is a circulation ball nut in other words, and it is movable and guiding along a main shaft.In the case, described body supports is on a plurality of balls, and described ball is contained in described main body on the one hand and on the other hand between the spiral thread groove of described main shaft and as rolling element.Described ball form one cyclically around chain and via a leading-in device that returns forming in described main body, from an end segments of described main body, to the other end section of described main body, return and draw described ball screw thread driver is in service.Described time leading-in device has a return passage and have one in each end segments of described main body and turn to passage, this turns to passage that the thread groove of main body side and described return passage are coupled together, thereby turns to passage guiding that described ball is guided to described return passage (or conversely) from the thread groove of described main body side via described.According to the present invention, described return passage and described in turn in the plastic insert of wall Duan Yi single part of passage or plastic part or on construct, this plastic insert or plastic part substantially or are fully directly injected in the recess of described main body in injection moulding process.Described plastic part seamlessly can be fastened in described main body thus, reduced thus to have shortened in other words tolerance chain, thereby even described time skirt road in the situation that the little physical dimension of described ball screw thread driver (for example, the in the situation that of a Miniature ball screw thread driver) form and fix also more accurately.Therefore provided described ball lower resistance and returning of low wearing and tearing draw.
Other favourable design proposal of the present invention is described in the dependent claims.
In a kind of particularly preferred improvement project of ball screw thread driver according to the present invention, described recess and microscler be roughly parallel to the principal piece that described main shaft extends because plastic part described in it has respectively.In the case, the principal piece of described recess is loaded in an outer cover of described main body, and the principal piece of described plastic part substantially or is fully contained in described recess and is therefore contained in described main body.The internal structure in the principal piece of described plastic part when injection moulding of described return passage goes out and extends in the inside of described main body along the principal piece of described plastic part.In the case, described return passage can be parallel to main shaft and arranges between outer cover and main shaft.
When described recess and therefore described plastic part have respectively one in the region in each end segments of described main body and show greatly 90 degree with respect to described principal piece bending and the section of therefore extending along the circumferencial direction of described main shaft, for described plastic part, roughly formed a Z-shaped shape, thus it has been fixed in described main body especially in anti-relative rotation.
In improvement project at described recess as groove, segmentation described principal piece and described recess and the therefore bending of described plastic part has identical width.Therefore can (utilize an end mill) simply manufactures described recess.
In each end segments in described main body, arrange one with described main shaft rotational symmetric distolateral recess substantially, this recess, with the segmentation of the bending of the described recess of attaching troops to a unit and while being connected with the principal piece of described recess, can be manufactured this plastic part especially simply.Afterwards, a mandrel for the manufacture of described return passage can be maintained in both sides simply and accurately when plastic injection-moulded.In this manufacture or while install finishing, by a closing cap or end cap at least partly (abschnittweise) be inserted in each distolateral recess, described closing cap or end cap preferably have a Sealing abutting on described main shaft.
Preferred described end cap is a continuity groove of spiral thread groove annular and that have described main body within it on side.Therefore described continuity groove arrangement the spiral thread groove of described main body and described in turn between passage.The direction of walking along described ball from from described principal piece to described end cap is observed, and an extension is radially set in described continuity groove.(direction of walking along described ball from described end cap to described principal piece is observed, and the portion that narrows down is radially set in described continuity groove.) described extension (portion narrows down in other words) can be grading type.At this, ball after walking between described principal piece and described main shaft, it is unloaded to (making in other words ball again load) after its time drawn.
The described passage that turns to extends to an ingress (or conversely) of going to described return passage from a lifting nose forming at described end cap.Described lifting nose is for radially surrendering (in other words for described ball is returned and guides to described thread groove) by described ball from the thread groove of described main shaft.At this, particularly preferably be, described lifting nose causes a tangential motion of described ball.
The direction of walking along described ball from from described main body to described entrance is observed, described in turn to passage to there is a first passage section and a second channel section.The outside wall section that described first passage Duan Youyi forms on described end cap and being limited by the bottom surface of an annular of described distolateral recess, and the outside wall section that forms on described end cap of described second channel Duan Youyi and by the wall paragraph qualification of the inside forming on described plastic part.
The segmentation of the bending of described plastic part can have the extending portion of a circular arc, and extend along the annular bottom surface of described distolateral recess its inside in described main body.This elongation can be for example 1/4 circle.Position insurance and anti-the relatively rotating of described plastic part have further been improved thus.On the extending portion of described circular arc, can form the wall section of the inside of described second channel section.
In order further to optimize position insurance and anti-the relatively rotating of wall section of the inside of described plastic part and especially its second channel section, the extending portion of described circular arc can be contained in the insurance groove of a circular arc at least partly, and this insurance groove is drawn system in the annular bottom surface of described distolateral recess.
A kind of favourable structural scheme of described plastic part is, the entrance of going in described return passage is positioned in the segmentation of described bending.
In one embodiment, the outer cover of described main body is tubular and it has a smooth supporting surface in the region of described recess.This supporting surface is used the sealing surface that acts on an injection moulding tool when manufacturing described plastic part by injection.
One especially in the situation that in the favourable improvement project of little ball screw thread driver, described end cap be made of plastics and by embedding jail in described distolateral recess.Preferably via described end cap one around locking nose and described distolateral recess one around groove.Can cancel bolt and guard ring thus, as they use in larger ball screw thread driver.
Especially when described end cap, its around locking nose, described distolateral recess with and around groove Rotational Symmetry time, preferred described end cap has primary antibodie and relatively rotates portion.This anti-portion of relatively rotating is the one-sided radial expansion portion on the excircle of described end cap preferably, and it is inserted in the corresponding radial expansion portion (recess) in the inwall of described distolateral recess.
Described plastic part and/or described end cap can be made by polyamide.
Accompanying drawing explanation
Describe with reference to the accompanying drawings three embodiments of the present invention in detail.Wherein:
Fig. 1 there is shown according to the first embodiment of ball screw thread driver of the present invention in a solid of cutting open;
Fig. 2 there is shown one according to the second embodiment's of the ball screw thread driver of the present invention main body with plastic part in a solid of cutting open;
Fig. 3 a solid there is shown do not have plastic part according to the first embodiment's of Fig. 1 main body;
Fig. 4 a solid there is shown have plastic part according to the first embodiment's of Fig. 1 and 3 main body;
Fig. 5 there is shown the main body of the 3rd embodiment with plastic part in a solid of cutting open; And
Fig. 6 there is shown the first and second embodiments' end cap in a solid.
Embodiment
Fig. 1 there is shown according to the first embodiment of ball screw thread driver of the present invention in a solid of cutting open.On the outer cover of a main shaft 11, arrange a spirality around thread groove 12.On the inner circumference of the main body 31 of a metal, arrange one accordingly around thread groove 32, wherein, described main body sleeve shape ground surrounds the described main shaft 11 of interlocking.Rotational symmetric distolateral recess 36 is set in two of described main body 31 distolateral end segments.Each end cap 70 of being made by polyamide is pushed in described recess and embedding jail (eingeklipst), arranges respectively a continuity groove 72 on the inner circumference of described end cap, and this continuity groove is the continuity in each end cap 70 as the thread groove 32 of main body side.
On the upper side of main body described in Fig. 1 31, insert a plastic part 50, it has the segmentation 50b of a principal piece 50a and two bendings, wherein, only shows the segmentation 50b of a bending in Fig. 1.The principal piece 50a of described plastic part 50 extends in the length of described main body 31 along described device 11, and this length is greater than that its thread groove 32(observes along described main shaft 11) elongation.Described principal piece 50a is contained in the inside of described main body 31 substantially, and wherein, a smaller segmentation is stretched out from a smooth supporting surface 38 for an injection moulding tool (not shown).In Fig. 1 (due to the diagram of cutting open of described main body 31), only show a side of described supporting surface 38.
In the inside of the principal piece 50a of described plastic part 50 and therefore in the inside of described main body 31, a return passage 51 roughly extends along described main shaft 11 in the whole length of described principal piece 50a.
Ball screw thread driver according to the present invention has the chain of a circulation being comprised of single ball 13, described ball especially rolls when 11 rotation of described main body between the thread groove 32 of described main body side and the thread groove 12 of described main shaft side, makes thus described main body 31 and therefore make clamp flange 35 translations that a ground constructs thereon to move along described main shaft 11.After the state of described ball 13 loads tensioning in other words, make them in one of two end caps 70, in its continuity groove 72, relax and to described return passage 51, carry afterwards, in this return passage, described ball 13 is carried to the continuity groove 72 of another end cap 70 again.Therefrom, described structure 13 reaches again between the thread groove 32,12 of main shaft side described main body side and described.
Fig. 2 there is shown one according to the second embodiment's main body 31 in a solid of cutting open, the plastic part 50 that has described clamp flange 35 and insert.With according to the first embodiment's of Fig. 1 difference, be, described plastic part 50 is arranged on the outer cover of described main body 31 in the position with 90 ° of rotations one.In addition, according in the second embodiment of Fig. 2, be not provided for the smooth supporting surface of described injection moulding tool, thereby described plastic part 50 is fully contained in described main body 31.Fig. 2 shows the cross section of a principal piece 50a through described plastic part 50, wherein, and the return passage 51 of cutting open as seen.In addition, in the inside of described principal piece 31, show its thread groove 32.About the continuity groove 72 of unshowned described end cap 70 in Fig. 2 with reference to figure 5.
Fig. 3 there is shown according to the main body without plastic part 50 31 of the described clamp flange 35 of having of the first embodiment of Fig. 1 in a solid.Therefore, Fig. 3 shows the described main body 31 before injecting described plastic part 50 and before described end cap 70 is inserted into each distolateral recess 36.Described distolateral recess 36 have on wall within it one around locking groove 33, described end cap 70 embedding jails are in this locking groove.In addition, described recess 36 has the bottom surface 36a of an annular, its be smooth and perpendicular to the direction of travel of described main body 31 and therefore perpendicular to described main shaft 11(referring to Fig. 1) arrange.Figure 3 illustrates a part for the recess 37 of described main body 31, show or rather in the segmentation 37b of described two bendings one and to the transition part in the principal piece 37a of described recess 37.To (after a while) in this recess 37, inject described plastic part 50.Visible, the segmentation 37b of described bending constructs as follows as break-through recess, and it is coupled together the outer cover of described main body 31 and described distolateral recess 36.In addition, the insurance groove 34 of a circular arc is set in the annular bottom surface 36a of described recess 36, it roughly extends along quadrant.At this Fig. 3, show a region, in this region, the segmentation 37b of the bending of described recess 37 and principal piece 37a and described insurance groove 34 meet.The segmentation 37b of this region and described bending, described principal piece 37a and described insurance groove 34 utilize polyamide to fill up in injection moulding process in a manufacturing step after a while, thereby construct there described plastic part 50.
Fig. 4 shows the described main body 31 after constructing described plastic part 50.At this, the segmentation of a circular arc of especially visible described plastic part 50, it is inserted into described insurance groove 34(partly referring to Fig. 3) in.In the segmentation of this circular arc, construct the inner wall section 52 in other words of a main body side that turns to the second channel section of passage, it couples together the thread groove of described main body 31 32 and described return passage 51, and the entrance of this return passage is shown in Figure 4.
Fig. 5 there is shown according to the 3rd embodiment's of the ball screw thread driver of the present invention main body with described plastic part 50 31 at a section.At this, similar with the second embodiment according to Fig. 2, smooth supporting surface is not set on the excircle of described main body 31.In the inside of described main body 31, according to the 3rd embodiment of Fig. 5 especially corresponding in the first embodiment shown in Fig. 4.Show the principal piece 50a with described return passage 51 and described bending segmentation 50b, wherein, described bending segmentation 50b in the inner transition of described main body 31 in the segmentation of described circular arc, in this circular arc segmentation, as described in reference to Fig. 4, construct the wall section 52 of described inside.One edge is set on side within it, and this edge should remain on described ball 13 with respect on described thread groove 32 and the radius with respect to described continuity groove 72 increases, and described return passage 51 is set on this radius.
In the distolateral recess 36 on the top of Fig. 5, illustrated for described end cap 70 around locking groove 33, wherein, corresponding locking lid 70 is inserted in the distolateral recess 36 of Fig. 5 middle and lower part.At this, its around locking nose 76 embedding jails to described around locking groove 33 in.
Fig. 6 shows described the first and second embodiments' end cap 70.With according to the difference of the 3rd embodiment's of Fig. 5 end cap 70, be describedly anti-to relatively rotate portion 75, it is pushed into described distolateral recess 36(referring to Fig. 1) corresponding groove 39 in.The feature of the described end cap 70 that remaining is described hereinafter is also applicable to described the 3rd embodiment's end cap 70.
Suppose following moving direction, wherein, (unshowned in Fig. 6) ball 13 is from the end cap 70 shown in described main body 31 moves to and move to therefrom described returning and draw in passage 51.At this, described ball 13 is along the side of drawing of described end cap 70 along moving clockwise, wherein, described side largely with the bottom surface 36a(of described annular referring to Fig. 5) contact.Exactly, first described ball 13 moves and unloading in described diameter change section 77 afterwards along described continuity groove 72, and wherein, described diameter change section is in the situation that the moving direction of this hypothesis of described ball 13 is shown as a diameter extension.Following closely, described ball is enumerated on a lifting nose 71 from the thread groove 12 of described main shaft 11 and flowed to first passage section via a tangential segmentation 78, described ball 13 moves to one via it to be had on the ring track of radius of increase.Described first passage section is limited by outside wall section 73 in end cap side, and its at main body side by described main body 31(referring to Fig. 5) annular bottom surface 36a limit.As seen best with reference to Fig. 5, described ball moves to the wall section 52 of inside of described main body side from described bottom surface 36a, and this wall section is configured on described plastic part 50.As seen best with reference to Fig. 6, in end cap side, the wall section 74 by an outside limits described second channel section.Described second channel section guides described ball 13 towards the entrance of going to described return passage 51, and in this ingress, described ball turns to and carries to described return passage 51 to be similar to 90 °.
Disclosed is one to have the ball screw thread driver of a circulation ball nut, and it is movable and guiding along a main shaft.In the case, described circulation ball nut be supported on by single ball, formed one cyclically around chain on, described ball is contained in described circulation ball nut on the one hand and on the other hand between the spiral threaded line of described main shaft and as rolling element.Described ball described ball screw thread driver in service via one on described circulation ball nut, form return another end segments (return) guiding of leading-in device from an end segments of described circulation ball nut to described circulation ball nut.Described time leading-in device has one and is parallel to the return passage that described main shaft extends in the inside of described circulation ball nut and has one in each end segments and turn to passage, this turns to passage that the threaded line of described circulation ball nut and described return passage are coupled together, thus via described turn to passage by described ball from described threaded line to described return passage (or in return) guiding.According to the present invention, described return passage and at least described in turn to passage segmented construction in the plastic insert of a single part or plastic part or on, this plastic insert or plastic part substantially or are fully directly injected in the groove of a z shape of described circulation ball nut in injection moulding process.
reference numerals list
11 main shafts
12 thread grooves
13 balls
31 main bodys
32 thread grooves
33 locking grooves
34 insurance grooves
35 clamp flanges
36 distolateral recesses
The bottom surface of 36a annular
37 recesses
37a principal piece
The segmentation of 37b bending
38 supporting surfaces
39 grooves
50 plastic parts
50a principal piece
The segmentation of 50b bending
51 return passages
The wall section of 52 inside
70 end caps
71 lifting noses
72 continuity grooves
The wall section of 73 outsides
The wall section of 74 outsides
The 75 anti-portions that relatively rotate
76 around locking nose
77 diameter change section
78 tangential segmentations
Claims (14)
1. ball screw thread driver, has the main body (31) of a metal, and it can move and guide along a main shaft (11), have a plurality of balls (13), described ball is contained between the spiral thread groove (32) of described main body (31) and the spiral thread groove of described main shaft (11), and tool is leading-in device once, another end segments guiding from an end segments of described main body (31) towards described main body (31) by described ball (13) via described time leading-in device, wherein, described time leading-in device has a return passage (51) and have one in each end segments of described main body (31) and turn to passage, via the described passage that turns to, described ball (13) is from the thread groove of described main body (31) to described return passage (51) guiding and oppositely guiding, it is characterized in that, described return passage (51) and described in turn at least one wall section (52) of passage to be configured in a plastic part (50) or on, described plastic part is substantially directly infused in the recess (37) of described main body (31) in injection moulding process.
2. according to ball screw thread driver claimed in claim 1, wherein, described recess (37) and described plastic part (50) have respectively a microscler principal piece (37a, 50a) that is roughly parallel to described main shaft (11) extension, and wherein, described return passage (51) be configured in described plastic part (50) principal piece (50a) inside and along the principal piece (50a) of described plastic part (50), extend.
3. according to ball screw thread driver claimed in claim 2, wherein, described recess (37) and described plastic part (50) have respectively the segmentation (37b, 50b) of a bending in the region of each end segments of described main body (31).
4. according to ball screw thread driver claimed in claim 3, wherein, the principal piece (37a) of described recess (37) and the segmentation (37b) of bending have identical width.
5. according to the ball screw thread driver described in claim 3 or 4, wherein, in each end segments of described main body (31), arrange one about described main shaft (11) rotational symmetric distolateral recess (36) substantially, each end cap (70) is inserted in described recess, and wherein, each distolateral recess (36) and the segmentation (37b) of bending that set, described recess (37) and the principal piece (37a) of described recess (37) interconnect.
6. according to ball screw thread driver claimed in claim 5, wherein, at described end cap (70), a Sealing is set, its sealing lip contacts described main shaft (11).
7. according to the ball screw thread driver described in claim 5 or 6, wherein, described end cap (70) be roughly annular and on side, there is a continuity groove (72) within it, described continuity groove arrangement the spiral thread groove of described main body (31) and described in turn between passage, and a diameter change section (77) is set in described continuity groove.
8. according to the ball screw thread driver described in any one in claim 5 to 7, wherein, the described passage that turns to extends to described return passage (51) from a lifting nose (71) forming at described end cap (70), and wherein, the described passage that turns to has a first passage section, described first passage Duan Youyi limits in the upper outside wall section (73) forming of described end cap (70) and by the bottom surface (36a) of an annular of described distolateral recess (36), and wherein, the described passage that turns to has a second channel section, described second channel Duan Youyi limits in the upper outside wall section (74) forming of described end cap (70) and by a wall section (52) in the upper inside forming of described plastic part (50).
9. according to ball screw thread driver claimed in claim 8, wherein, the segmentation (50b) of the bending of described plastic part (50) has the extending portion of a circular arc, described extending portion extends along the annular bottom surface (36a) of described distolateral recess (36) in the inside of cover, and on described extending portion, forms the wall section (52) of the inside of described second channel section.
10. according to ball screw thread driver claimed in claim 9, wherein, the extending portion of described circular arc is contained in the insurance groove (34) of a circular arc at least partly, and described insurance groove is drawn in the annular bottom surface of described distolateral recess (36) (36a).
11. according to the ball screw thread driver described in any one in claim 3 to 10, wherein, from the described passage that turns to, to the entrance described return passage (51), along major axes orientation, observes and is positioned at the position identical with the segmentation (50b) of described bending.
12. according to ball screw thread driver in any one of the preceding claims wherein, and wherein, the outer cover of described main body is tubular and in the region of described recess (37), has a smooth supporting surface (38) for an injection moulding tool.
13. according to the ball screw thread driver described in any one in claim 5 to 12, and wherein, the end cap being made of plastics (70) embedding jail is in described distolateral recess (36).
14. according to the ball screw thread driver described in any one in claim 5 to 13, and wherein, described end cap (70) has primary antibodie and relatively rotates portion (75).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013208441.2A DE102013208441B4 (en) | 2013-05-08 | 2013-05-08 | ball screw |
| DE102013208441.2 | 2013-05-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104141757A true CN104141757A (en) | 2014-11-12 |
| CN104141757B CN104141757B (en) | 2018-07-24 |
Family
ID=51851032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410189577.1A Active CN104141757B (en) | 2013-05-08 | 2014-05-07 | Ball screws driver |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104141757B (en) |
| DE (1) | DE102013208441B4 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108105354A (en) * | 2016-11-24 | 2018-06-01 | 罗伯特·博世有限公司 | The rolling element screw transmission device of steering component with the single type being inserted radially into |
| CN108730461A (en) * | 2017-04-19 | 2018-11-02 | 罗伯特·博世有限公司 | Ball leading screw driving device with the end seal in main body and end cap |
| CN109639177A (en) * | 2018-12-19 | 2019-04-16 | 南京航空航天大学 | A kind of patch type linear ultrasonic motor based on 3D printing resin stator |
| WO2021093450A1 (en) * | 2019-11-13 | 2021-05-20 | 广东博智林机器人有限公司 | Steering device and troweling robot having same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL3499089T3 (en) * | 2017-12-14 | 2023-05-22 | SFS Group International AG | Ball deflection of a ball drive mechanism |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108105354A (en) * | 2016-11-24 | 2018-06-01 | 罗伯特·博世有限公司 | The rolling element screw transmission device of steering component with the single type being inserted radially into |
| CN108105354B (en) * | 2016-11-24 | 2022-04-19 | 罗伯特·博世有限公司 | Rolling-element screw drive with radially inserted one-piece deflecting element |
| CN108730461A (en) * | 2017-04-19 | 2018-11-02 | 罗伯特·博世有限公司 | Ball leading screw driving device with the end seal in main body and end cap |
| CN108730461B (en) * | 2017-04-19 | 2022-10-14 | 罗伯特·博世有限公司 | Ball screw drive with end seals in the body and end cap |
| CN109639177A (en) * | 2018-12-19 | 2019-04-16 | 南京航空航天大学 | A kind of patch type linear ultrasonic motor based on 3D printing resin stator |
| CN109639177B (en) * | 2018-12-19 | 2020-04-21 | 南京航空航天大学 | SMD linear ultrasonic motor based on 3D printing resin stator |
| WO2021093450A1 (en) * | 2019-11-13 | 2021-05-20 | 广东博智林机器人有限公司 | Steering device and troweling robot having same |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013208441A1 (en) | 2014-11-27 |
| CN104141757B (en) | 2018-07-24 |
| DE102013208441B4 (en) | 2023-08-17 |
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