CN209671419U - A kind of anticreep concave-convex linear guide of MVG - Google Patents
A kind of anticreep concave-convex linear guide of MVG Download PDFInfo
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- CN209671419U CN209671419U CN201920152005.4U CN201920152005U CN209671419U CN 209671419 U CN209671419 U CN 209671419U CN 201920152005 U CN201920152005 U CN 201920152005U CN 209671419 U CN209671419 U CN 209671419U
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Abstract
The utility model provides a kind of anticreep concave-convex linear guide of MVG, retainer and needle roller including upper rail and the mutually matched lower guideway of upper rail, the V-shaped structure being arranged between upper rail and lower guideway；It is provided with V-shaped and convex convex track on the upper rail, concave track that is V-shaped and concaving is provided on the lower guideway；The retainer includes V-shaped skeleton and the mounting base being fixed on two inclined-planes of skeleton, is provided with the accommodating space for being embedded needle roller in the mounting base；The cylindrical surface of the needle roller offsets with concave track and convex track simultaneously；The utility model has good lifting capacity and slides precision, runs smoothly, is not easy the advantages of wriggling.
Description
Technical field
The utility model belongs to guide rail technical field more particularly to a kind of concave-convex linear guide.
Background technique
In the development of various automatic precision equipment, guide rail belongs to very important a part, stabilization when work
Degree and the superiority and inferiority that precision directly determines product quality produced is slided, in order to reach good effect, existing part
Guide rail uses on retainer plus row's needle roller structure, instead of two guide rails directly slided that are mutually connected together, thus greatly
Width increases the lifting capacity of guide rail and slides precision, but improved guide rail still has the defect for being easy wriggling.
Utility model content
There is good lifting capacity the purpose of this utility model is to provide one kind and slide precision, run smoothly, no
The anticreep concave-convex linear guide of the MVG easily wriggled, to solve the problems, such as proposed in background technique.
To achieve the goals above, technical solution adopted in the utility model is as follows:
A kind of anticreep concave-convex linear guide of MVG, including upper rail and the mutually matched lower guideway of upper rail, setting exist
The retainer and needle roller of V-shaped structure between upper rail and lower guideway；
V-shaped and convex convex track is provided on the upper rail, be provided on the lower guideway it is V-shaped and to
The concave track of indent；
The retainer includes V-shaped skeleton and the mounting base being fixed on two inclined-planes of skeleton, the installation
The accommodating space for being embedded needle roller is provided on seat；
The cylindrical surface of the needle roller offsets with concave track and convex track simultaneously.
Further, the left and right sides inside the mounting base is fixedly installed arc slide unit, inside the mounting base
Upper and lower ends be fixedly installed semi-circular first protrusion.
It further, further include gear needle roller, the cylindrical surface of the gear needle roller is fixedly uniformly arranged with the around Monday circle
Two is raised, and the first groove convenient for the second protrusion rotation is additionally provided in the mounting base, and the gear needle roller setting is accommodating
In space；
The second groove being arranged in a linear, and the arrangement side of the second groove are provided on two inclined-planes of the convex track
To the intersecting lens for being parallel to two inclined-plane of convex track, the protrusion is intermeshed with the second groove；
The third groove being arranged in a linear, and the arrangement side of third groove are provided on two inclined-planes of the concave track
To the intersecting lens for being parallel to two inclined-plane of concave track, the protrusion is intermeshed with third groove.
Further, the cylindrical surface of the gear needle roller offsets with concave track and convex track simultaneously.
Further, there are two the gear needle rollers, and in the mounting base being separately positioned on two inclined-plane of skeleton.
Further, the opening matched with accommodating space is provided on the skeleton.
Further, two inclined-plane intersections of the skeleton are set as rounded corner structure, and are provided at rounded corner structure
One row prevents the circular hole of framework deformation.
Further, chamfering structure is set as at two inclined-plane intersecting lenses of the convex track.
Further, the first pilot hole passed through for screw is provided in the mounting base, be provided on the skeleton with
The second pilot hole that first pilot hole matches.
Further, third pilot hole is provided on the upper rail and lower guideway.
The utility model has the following beneficial effects: 1. on upper rail by being arranged V-shaped and convex convex track, under
Concave track that is V-shaped and concaving is set on guide rail, and the holding of V-type is erected between convex track and concave track, makes convex
Type track is stuck in concave track and is slided, and one recessed one convex, makes upper rail in sliding, it is difficult to generate beat and compacted
It is dynamic；Compared with prior art, the utility model is not easy to wriggle at runtime, and has higher slide precision to a certain extent；
2. by setting V-type retainer, needle roller is movably arranged in accommodating space, and the cylindrical surface of needle roller simultaneously with concave track
It offsets with convex track, two rows of needle rollers are synchronized between two inclined-planes of convex track and two inclined-planes of concave track and slided, and existing
There is technology to compare, significantly increases the load capacity of the utility model, and make the utility model in the case where load-carrying, according to
Right smoothness with higher；3. by being embedded gear needle roller, the cylindrical surface of gear needle roller respectively on two inclined-planes of retainer
Around the second protrusion of week setting, the second protrusion on gear needle roller is engaged on respectively in the second groove and third groove, two gears
Needle roller plays good guiding role to upper rail, compared with prior art, improves slide precision to a certain extent；4. passing through
The left and right sides in mounting base is respectively provided with arc slide unit, and it is convex that semi-circular first is fixedly installed in the upper and lower ends in mounting base
Rise, gear needle roller or needle roller activity are embedded between arc slide unit and the first protrusion, convenient for gear needle roller or needle roller along itself
Central axis rotation, the first protrusion is set as semicircle, when the both ends of gear needle roller or needle roller and the first projection contacts, contact
Face is equivalent to only one point, is preferably minimized frictional force between the two, ensure that gear needle roller or needle roller to a certain extent
Smooth rotation, and then improve the utility model slides precision.
Detailed description of the invention
Fig. 1 is the overall structure of the explosion figure of the utility model；
Fig. 2 is the overall structure side view of the utility model；
Fig. 3 is the structural schematic diagram of the upper rail of the utility model；
Fig. 4 is the structural schematic diagram of the lower guideway of the utility model；
Fig. 5 is the structural schematic diagram of the retainer of the utility model；
Fig. 6 is the structural exploded view of the retainer of the utility model；
Fig. 7 is the mounting base of the utility model and the partial structure diagram of skeleton；
Fig. 8 is the structural schematic diagram of the mounting base of the utility model；
Fig. 9 is the gear needle roller of the utility model and the structural schematic diagram of needle roller.
Appended drawing reference are as follows:
Upper rail -1, convex track -11, the second groove -111, third pilot hole -12；
Lower guideway -2, concave track -21, third groove -211, rectangular recess -22,
Retainer -3, skeleton -31, opening -311, circular hole -312, the second pilot hole -313；
Mounting base -32, accommodating space -321, arc slide unit -322, the first protrusion -323, first groove -324, the first dress
Distribution -325；
Gear needle roller -4, the second protrusion -41；
Needle roller -5.
Specific embodiment
The utility model is further described in following connection with figures,
A kind of anticreep concave-convex linear guide of MVG as depicted in figs. 1 and 2, including upper rail 1, with 1 phase interworking of upper rail
The lower guideway 2 of conjunction, the retainer 3 for the V-shaped structure being arranged between upper rail 1 and lower guideway 2, cylindrical gear needle roller 4
With cylindrical needle roller 5；
It is provided with V-shaped and convex convex track 11 on upper rail 1 as shown in Figure 3 and Figure 4, is set on lower guideway 2
It is equipped with concave track 21 that is V-shaped and concaving, is provided with rectangular recess 22 at the intersecting lens on two inclined-planes of concave track 21.
As Fig. 5 to retainer 3 shown in Fig. 8 includes V-shaped skeleton 31 and is fixed on 31 liang of inclined-planes of skeleton
Two inclined-planes of mounting base 32, the skeleton 31 of V-type intersect, two inclined-planes of drop centre type track 21, convex track 11 two tiltedly
Two inclined-plane institute angle degree of face and skeleton 31 are equal；The appearance that can be embedded gear needle roller 4 or needle roller 5 is provided in mounting base 32
321 between emptying, it is provided with the opening 311 matched with accommodating space 321 on skeleton 31, is easily installed seat 32 and is fixed at bone
After on frame 31, gear needle roller 4 or needle roller 5 freely roll among opening 311；The left and right sides in mounting base 32 is provided with
Arc slide unit 322, the upper and lower ends in mounting base 32 are fixedly installed the first semi-circular protrusion 323,322 He of arc slide unit
It is accommodating space 321 that space is formed by between first protrusion 323, and gear needle roller 4 or needle roller 5 are embedded in accommodating space
, can be along itself central axis rotation after in 321, one end of arc track is relatively high, and the other end is relatively low, in mounting base 32
The left and right sides be all fixedly installed 6 groups of arc tracks, and in 6 groups of arc tracks, per two groups of adjacent mutual edges of arc track
Opposite direction setting, convenient for preferably embracing gear needle roller 4 or needle roller 5；First protrusion 323 is set as semicircle, works as tooth
When the both ends and the first protrusion 323 of wheel needle roller 4 or needle roller 5 contact, contact surface is equivalent to only one point, makes between the two
Frictional force is preferably minimized, and allows gear needle roller 4 or needle roller 5 is smooth rotates.
The cylindrical surface of gear needle roller 4 as shown in Figure 9 is fixedly uniformly arranged with the second protrusion 41, mounting base 32 around Monday circle
It is inside additionally provided with the first groove 324 convenient for 41 rotation of the second protrusion, when gear needle roller 4 is along itself central axis rotation, the
Two protrusions 41 rotate in the first groove 324；There are two gear needle rollers 4, and the installation being separately positioned on 31 liang of inclined-planes of skeleton
In seat 32, and the mounting base 32 for installing gear needle roller 4 is located at the middle part of skeleton 31, the position convenient for upper rail 1 relative to lower guideway 2
Shifting value reaches maximization.
The second groove 111 being arranged in a linear, and the row of the second groove 111 are provided on two inclined-planes of convex track 11
Column direction is parallel to the intersecting lens on 11 liang of inclined-planes of convex track, and protrusion is intermeshed with the second groove 111；
The third groove 211 being arranged in a linear, and the row of third groove 211 are provided on two inclined-planes of concave track 21
Column direction is parallel to the intersecting lens on 21 liang of inclined-planes of concave track, and protrusion is intermeshed with third groove 211, and gear needle roller 4 rotates,
It rolls protrusion in the second groove 111 and third groove 211 simultaneously, accurate guiding role is played to upper rail 1, keep this practical
It is novel to slide precision with accurate.
The cylindrical surface of gear needle roller 4 offsets with concave track 21 and convex track 11 simultaneously, the cylindrical surface of needle roller 5 simultaneously with
Concave track 21 and convex track 11 offset, and the cylindrical surface of gear needle roller 4 and needle roller 5 is close to concave track 21 and convex track
11 roll, and make the utility model be suitble to carry biggish load, and can smoothly run.
Two inclined-plane intersections of skeleton 31 are set as rounded corner structure, and rounding corner structure can prevent skeleton 31 from scratching down
Guide rail 2, and the circular hole 312 that a row prevents skeleton 31 from deforming is provided at rounded corner structure, it can effectively prevent the two of skeleton 31
Different degrees of deformation occurs for inclined-plane, is set as chamfering structure at two inclined-plane intersecting lenses of convex track 11, leads on preventing
Rail 1 scratches retainer 3.
It is provided with the first pilot hole 325 passed through for screw in mounting base 32, is provided with and the first pilot hole on skeleton 31
325 the second pilot holes 313 matched, screw can will be installed also cross the first pilot hole 325 and the second pilot hole 313
Seat 32 is fixed on skeleton 31, is provided with third pilot hole 12 on upper rail 1 and lower guideway 2, by third pilot hole 12, just
In the utility model and other mechanisms are carried out mutual assembly connection.
Working principle: sliding upper rail 1, gear needle roller 4 and needle roller 5 are simultaneously between convex track 11 and concave track 21
It rolls, while the second protrusion 41 on gear needle roller 4 cooperates the second groove 111 and third groove 211, realizes upper rail 1 flat
Surely, it accurately feeds.
The above specific embodiment is merely to illustrate the utility model, and is not limitation of the utility model, related skill
The those of ordinary skill in art field can also make various changes in the case where not departing from the spirit and scope of the utility model
Change and modification, therefore all equivalent technical solutions also belong to the scope of the utility model.
Claims (10)
1. a kind of anticreep concave-convex linear guide of MVG, it is characterised in that: cooperate including upper rail (1), with upper rail (1)
Lower guideway (2), the retainer (3) and needle roller (5) of V-shaped structure between upper rail (1) and lower guideway (2) are set；
It is provided with V-shaped and convex convex track (11) on the upper rail (1), is provided on the lower guideway (2) in V
Type and the concave track (21) to concave；
The retainer (3) includes the mounting base on V-shaped skeleton (31) and two inclined-planes for being fixed at skeleton (31)
(32), the accommodating space (321) for being embedded needle roller (5) is provided on the mounting base (32)；
The cylindrical surface of the needle roller (5) offsets with concave track (21) and convex track (11) simultaneously.
2. a kind of anticreep concave-convex linear guide of MVG according to claim 1, it is characterised in that: the mounting base (32)
The internal left and right sides is fixedly installed arc slide unit (322), and the fixation of the internal upper and lower ends of the mounting base (32) is set
It is raised (323) to be equipped with semi-circular first.
3. a kind of anticreep concave-convex linear guide of MVG according to claim 2, it is characterised in that: further include gear needle roller
(4), the cylindrical surface of the gear needle roller (4) is fixedly uniformly arranged with second raised (41), the mounting base (32) around Monday circle
It is inside additionally provided with the first groove (324) convenient for second raised (41) rotation, the gear needle roller (4) is arranged in accommodating space
(321) in；
The second groove (111) being arranged in a linear, and the second groove are provided on two inclined-planes of the convex track (11)
(111) orientation is parallel to the intersecting lens on (11) two inclined-plane of convex track, and the protrusion is mutually nibbled with the second groove (111)
It closes；
The third groove (211) being arranged in a linear, and third groove are provided on two inclined-planes of the concave track (21)
(211) orientation is parallel to the intersecting lens on (21) two inclined-plane of concave track, and the protrusion is mutually nibbled with third groove (211)
It closes.
4. a kind of anticreep concave-convex linear guide of MVG according to claim 3, it is characterised in that: the gear needle roller (4)
Cylindrical surface simultaneously offset with concave track (21) and convex track (11).
5. a kind of anticreep concave-convex linear guide of MVG according to claim 4, it is characterised in that: the gear needle roller (4)
There are two, and in the mounting base (32) being separately positioned on (31) two inclined-plane of skeleton.
6. a kind of anticreep concave-convex linear guide of MVG according to claim 5, it is characterised in that: on the skeleton (31)
It is provided with the opening (311) matched with accommodating space (321).
7. a kind of anticreep concave-convex linear guide of MVG according to claim 6, it is characterised in that: the skeleton (31)
Two inclined-planes intersection are set as rounded corner structure, and the circular hole that a row prevents skeleton (31) from deforming is provided at rounded corner structure
(312).
8. according to claim 1 to a kind of anticreep concave-convex linear guide of MVG described in 7 any one, it is characterised in that: described
Chamfering structure is set as at two inclined-plane intersecting lenses of convex track (11).
9. a kind of anticreep concave-convex linear guide of MVG according to claim 8, it is characterised in that: the mounting base (32)
On be provided with the first pilot hole (325) passed through for screw, be provided on the skeleton (31) and the first pilot hole (325) match
The second pilot hole (313) closed.
10. a kind of anticreep concave-convex linear guide of MVG according to claim 9, it is characterised in that: the upper rail (1)
With third pilot hole (12) are provided on lower guideway (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152005.4U CN209671419U (en) | 2019-01-29 | 2019-01-29 | A kind of anticreep concave-convex linear guide of MVG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152005.4U CN209671419U (en) | 2019-01-29 | 2019-01-29 | A kind of anticreep concave-convex linear guide of MVG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671419U true CN209671419U (en) | 2019-11-22 |
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ID=68567818
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920152005.4U Active CN209671419U (en) | 2019-01-29 | 2019-01-29 | A kind of anticreep concave-convex linear guide of MVG |
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| Country | Link |
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| CN (1) | CN209671419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536030A (en) * | 2022-02-14 | 2022-05-27 | 北京海普瑞森超精密技术有限公司 | double-V-shaped needle roller guide rail structure and machine tool |
-
2019
- 2019-01-29 CN CN201920152005.4U patent/CN209671419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536030A (en) * | 2022-02-14 | 2022-05-27 | 北京海普瑞森超精密技术有限公司 | double-V-shaped needle roller guide rail structure and machine tool |
| CN114536030B (en) * | 2022-02-14 | 2023-10-27 | 北京海普瑞森超精密技术有限公司 | double-V-shaped needle roller guide rail structure and machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220815 Address after: No. 102, 1st Floor, Building D, Delang Industrial Innovation Park, Shalong Road, Shatang Community, Houjie Town, Dongguan City, Guangdong Province, 523962 Patentee after: Limited company of Dongguan city Ruishi Berg rail manufacturing Address before: No. 1, Shexia Group, Changfuqiao Village, Pailu Township, Jinggangshan City, Ji'an City, Jiangxi Province 343600 Patentee before: Ding Haisheng |