CN100365297C

CN100365297C - Rotary member guiding structure

Info

Publication number: CN100365297C
Application number: CNB2003101034685A
Authority: CN
Inventors: 廖继盟; 廖雅惠
Original assignee: Hiwin Technologies Corp
Current assignee: Hiwin Technologies Corp
Priority date: 2003-11-03
Filing date: 2003-11-03
Publication date: 2008-01-30
Anticipated expiration: 2023-11-03
Also published as: CN1614248A

Abstract

The present invention relates to a rolling element guiding structure which is mainly formed by the combination of a spacing body and a connecting chain. The present invention is characterized in that the combination of the parts of the rolling element guiding structure is designed as a rotating pair structure so as to greatly enhance the free rotating performance of the rolling element guiding structure; therefore, the rolling element guiding structure can freely turn so as not to be distorted when operating in a backflow track.

Description

The rolling element guiding structure

Technical field

The invention relates to a kind of rolling element guiding structure, it applies on the straight line transmitting assemblies for a kind of holding device of rolling assembly; Generally speaking the straight line transmitting assemblies is to be applied in the mechanisms such as toolroom machine, electronics, automation equipment, semiconductor equipment.

Background technique

Formerly in the straight line transmitting assemblies of technology, the retainer of rolling assembly probably can be divided into two kinds: the retainer of first kind of design is independent individuality, and another kind of retainer is for linking the design of many independent parts.At first as shown in Figure 7, it is upward mobile that wherein slide blocks 60 is sleeved on a rail bar (indicating), is provided with rolling assembly 70 in the slide blocks 60, and inserts single retainer 50 between the rolling assembly 70 in regular turn, makes and do not take place between the rolling assembly 70 to collide each other.The straight line transmitting assemblies that uses this design needs in regular turn each rolling assembly and single retainer to be inserted in the slide blocks alternately quite consuming time taking a lot of work when assembling; On the other hand, need between single retainer and the rolling assembly suitably contact, interval as retainer and rolling assembly is excessive, retainer easily break away from two rolling assemblies and when backflow turns to retainer may touch the backflow wall and produce to reflux and turn to the situation that has some setbacks, severe patient even cause the stuck phenomenon that refluxes, but can cause tangible surface friction drag if excessively closely contact then again between the retainer and rolling assembly, so its backflow turn to just there is no fear of smooth and easy.

And for example shown in Figure 8, for linking the retainer design of many independent parts, the binding retainer 51 among the figure is that spacer block 511 is connected with flexible coupling chain 512, makes each rolling assembly 70 place the space of two spacer blocks 511 to roll.This manufacture that links retainer 51 must place mould with rolling assembly earlier, makes in the mode that the bag molding material penetrates, and the material property of this mode and injector performance all must have requirement for height, have relatively improved manufacture cost; And because its more special manufacture,, and make the rolling resistance of rolling assembly excessive so spacer block is tight and contacts between rolling assembly and the binding retainer; And the spacer block of this kind binding retainer is that tilt fixing combines with coupling chain, so the degrees of freedom that turns to when refluxing is vulnerable to excessive restriction, causes turning round and has some setbacks and influence the fluency of start.

Comprehensively above-mentioned, the real necessity that has urgent improvement to progress greatly of the retainer of prior art straight line transmitting assemblies.

Summary of the invention

Purpose of the present invention promptly is to provide a kind of rolling element guiding structure, and its rolling element guiding structure has the preferable function that turns to, and makes the rolling element guiding structure can smooth and easyly run on return flow path, and allows rolling assembly can finish circulation smooth-goingly.

Because at present the straight line transmitting assemblies is applied on the general industrial machine and precision optical machinery quite widely, and the holding device of rolling assembly is applied to the straight line transmitting assemblies and also comes into one's own gradually, especially links the holding device of design.

Rolling element guiding structure of the present invention is a kind of holding device that links design, this holding device is changeed the modular structure that is designed to the part combination by integrally formed structure, make the rolling element guiding structure when the converting motion direction, more smooth and easy because of rotating relative to one another between part.

Because rolling element guiding structure of the present invention is the modular structure of part combination, simple only need of each design of part adopts general shoot mode to create, and therefore can lower the degree of difficulty on many manufacturing, but be reduced with making the manufacture cost certain degree.

Moreover, the present invention further becomes the Combination Design between rolling element guiding structure part the right structure of rotation, utilize columniation structure and the groove structure structure that cooperates of socket each other, significantly to promote the function that the rolling element guiding structure turns to, allow the rolling element guiding structure can run on the rolling assembly return flow path swimmingly, and allow rolling assembly can finish circulation smooth-goingly.

In addition, the columniation structure that makes up between rolling element guiding structure part of the present invention can be round column structure, triangular prism structure or polygonal columniation structure etc., and the groove structure can be designed to circular-arc groove, make columniation structure and cooperating of groove structure have high free rotating property, therefore the rolling element guiding structure is capable of free rotation, and does not produce twisted phenomena when moving in the backflow road.

In addition, the material of the part of rolling element guiding structure of the present invention can be selected wear-resisting flexible material for use, and the performance that the rolling element guiding structure is turned to is better and the life-span is longer.

For achieving the above object, the technical solution used in the present invention is: the rolling element guiding structure, it can be placed in most rolling assemblies in its space in regular turn, this structure mainly comprises: interval body, and in order to separate above-mentioned rolling assembly, the both ends of the surface of interval body respectively are provided with the surface of rolling that cooperates above-mentioned rolling assembly radian, connection chain, be a strip structure, have banded linking department and separating part two-part of column, and linking department that should band shape connects the separating part of above-mentioned column and is integral; Above-mentioned interval body is provided with a cover access slot, and the column separating part of this cover access slot and above-mentioned connection chain socket-connects, and interval body can be rotated relative to connection chain.

The cover access slot of above-mentioned interval body is cut on the surface of rolling of being located at interval body one end face, interval physical efficiency and connection chain is socket-connected synthesize the rolling element guiding structure.

The cover access slot of above-mentioned interval body is cut on the side of being located at interval body, interval physical efficiency and connection chain is socket-connected synthesize the rolling element guiding structure.

Socket groove bottom on the interval body is circular-arc groove design, makes interval body after the socket can do the rotation of suitable angle with the rolling assembly return flow path.

The banded linking department of connection chain is the two ends of attachment post shape separating part respectively, make the polarization of separating part preferable, and then the linking department of connection chain and the space between the separating part produce distortion and expansion or contraction than being difficult for.

The banded linking department of connection chain only connects an end of column separating part, makes separating part have bigger swing elasticity, then keeps the space modulability of rolling assembly preferable, applicable to complicated rolling assembly return flow path.

The column separating part of connection chain can be round column structure, triangular prism structure or polygonal columniation structure.

Beneficial effect of the present invention is: rolling element guiding structure of the present invention is a kind of holding device that links design, this holding device is changeed the modular structure that is designed to the part combination by integrally formed structure, make the rolling element guiding structure when the converting motion direction, more smooth and easy because of rotating relative to one another between part.Because product of the present invention is a modular structure, simple only need of each design of part adopts general shoot mode to create, but therefore be reduced the manufacture cost certain degree, the function that the rolling element guiding structure turns to is increased dramatically, the operation of rolling element guiding structure is more smooth and easy, can finish circulation smooth-goingly.In addition, rolling element guiding structure of the present invention is capable of free rotation, does not produce twisted phenomena when moving in the backflow road, and the guiding module part is selected wear-resisting flexible material for use, and the performance that the rolling element guiding structure is turned to is better and the life-span is longer.

Description of drawings

Fig. 1 is the schematic perspective view of rolling element guiding structure of the present invention

Fig. 2 is the thin portion schematic representation of the interval body of Fig. 1

Fig. 3 is the schematic perspective view of another mode of execution of interval body of Fig. 2

Fig. 4 is the thin portion schematic representation of the connection chain of Fig. 1

Fig. 5 is the schematic perspective view of another mode of execution of connection chain of Fig. 4

Fig. 6 is the three-dimensional view of another mode of execution of rolling element guiding structure of the present invention

Fig. 7 is for often knowing the schematic representation of the single retainer of technology

Fig. 8 is the schematic representation that common technology links retainer

10 connection chains, 11 linking departments, 12 separating parts, 20 interval bodies, 21 body, 22 surfaces of rolling, 23 cover access slots, 30 interval bodies, 31 interval bodies, 32 surfaces of rolling, 33 cover access slots, 40 connection chains, 41 linking departments, 42 separating parts, 421 limited slip blocks, 50 single retainers, 51 at interval link retainers, 511 spacer blocks, 512 coupling chains, 60 slide blockss, 70 rolling assemblies

Further understand feature of the present invention and technology contents for convenience, please consult following relevant embodiments of the present invention in detail.

Embodiment

Fig. 1 is the schematic perspective view of rolling element guiding structure of the present invention; By learning that wherein rolling element guiding structure of the present invention is mainly combined by

interval body

20 and 10 liang of parts of connection chain, the space that connection chain 10 and interval body are 20 is for keeping the space of rolling assembly (not drawing), one side can make interval body 20 be placed in unlikely landing on the connection chain 10 in this space when rolling assembly is inserted, another side can be separated sliding assembly with reduction surface friction drag, and makes rolling assembly can finish circulation smooth-goingly.

Fig. 2 is the thin portion schematic representation of the interval body of Fig. 1; Wherein interval body 21 both ends of the surface of interval body 20 respectively are provided with the surface of rolling 22 that cooperates rolling assembly (not drawing) radian, and cut the cover access slot 23 that is provided with a groove structure on the surface of rolling 22 of body 21 1 end faces at interval, interval body 20 can be socket-connected with the connection chain 10 of Fig. 1 synthesize the rolling element guiding structure; Simultaneously, at interval cover access slot 22 bottoms on the body 21 are a circular-arc groove design, make interval body 20 after the socket can do the rotation of suitable angle with the rolling assembly return flow path.

Fig. 3 is the schematic perspective view of another mode of execution of interval body of Fig. 2; Interval body 31 both ends of the surface of interval body 30 wherein respectively are provided with the surface of rolling 32 that cooperates rolling assembly (not drawing) radian, it is to cut on the side that is located at body 31 at interval but not on the surface of rolling 32 of end face that the difference of itself and last figure maximum is to overlap access slot 33, interval body 30 can be socket-connected with the connection chain 10 of Fig. 1 synthesize the rolling element guiding structure, the interval body 30 of this mode of execution has more dismounting characteristic easily.

Fig. 4 is the thin portion schematic representation of the connection chain of Fig. 1; Connection chain 10 wherein is a strip structure, have separating part 12 two-part of banded linking department 11 and column and slightly be scalariform, and linking department 11 connection separating parts 12 are integral, the banded linking department 11 of this mode of execution connects the two ends of column separating part 12 respectively, make the polarization of separating part 12 preferable, then the linking department 11 of connection chain 10 and the space between the separating part 12 are difficult for producing distortion and expand or shrink.

Fig. 5 is the schematic perspective view of another mode of execution of connection chain of Fig. 4; Connection chain 40 wherein has banded linking department 41 and separating part 42 two-part of column equally, and linking department 41 connects separating part 42 and is integral, and this mode of execution maximum is characterised in that this band shape linking department 41 only connects an end of column separating part 42, make separating part 42 have bigger swing elasticity, then keep the space modulability of rolling assembly preferable, applicable to complicated rolling assembly return flow path; And for the interval body of avoiding being socketed on the separating part 42 20 or 30 comes off, the other end design that connects linking department 41 in separating part 42 has limited slip block 421, and

interval body

20 or 30 unlikely front of motors from separating part 42 are come off.

Fig. 6 is the three-dimensional view of another mode of execution of rolling element guiding structure of the present invention; Rolling element guiding structure is wherein combined by parts such as interval body 20, interval body 30 and connection chains 10, itself and a last mode of execution maximum difference are that interval body 20 and interval body 30 are to be socketed on synthetic rolling element guiding structure on the connection chain 10 alternately, the design of part of this mode of execution makes and assembles more simple and convenient.The connection chain 10 of this mode of execution is also replaceable in addition is connection chain 40, makes the maintenance space modulability of rolling assembly preferable, and can be applicable to complicated rolling assembly return flow path.

Claims

1. rolling element guiding structure, it can be placed in most rolling assemblies in its space in regular turn, this structure mainly comprises: interval body, in order to separate above-mentioned rolling assembly, the both ends of the surface of interval body respectively are provided with the surface of rolling that cooperates above-mentioned rolling assembly radian, and connection chain is a strip structure, have banded linking department and separating part two-part of column, and linking department that should band shape connects the separating part of above-mentioned column and is integral; It is characterized in that: above-mentioned interval body is provided with a cover access slot, and the column separating part of this cover access slot and above-mentioned connection chain socket-connects, and interval body can be rotated relative to connection chain.

2. rolling element guiding structure according to claim 1 is characterized in that: the cover access slot of above-mentioned interval body is cut on the surface of rolling of being located at interval body one end face, interval physical efficiency and connection chain is socket-connected synthesize the rolling element guiding structure.

3. rolling element guiding structure according to claim 1 is characterized in that: the cover access slot of above-mentioned interval body is cut on the side of being located at interval body, interval physical efficiency and connection chain is socket-connected synthesize the rolling element guiding structure.

4. according to claim 1,2 or 3 described rolling element guiding structures, it is characterized in that: the socket groove bottom on the interval body is circular-arc groove design, makes interval body after the socket can do the rotation of suitable angle with the rolling assembly return flow path.

5. rolling element guiding structure according to claim 1, it is characterized in that: the banded linking department of connection chain is the two ends of attachment post shape separating part respectively, make the polarization of separating part preferable, then the linking department of connection chain and the space between the separating part are difficult for producing distortion and expand or shrink.

6. rolling element guiding structure according to claim 1, it is characterized in that: the banded linking department of connection chain connects an end of column separating part, make separating part have bigger swing elasticity, then keep the space modulability of rolling assembly preferable, applicable to complicated rolling assembly return flow path.

7. according to claim 1,5 or 6 described rolling element guiding structures, it is characterized in that: the column separating part of connection chain is a round column structure.

8. according to claim 1,5 or 6 described rolling element guiding structures, it is characterized in that: the column separating part of connection chain is the triangular prism structure.

9. according to claim 1,5 or 6 described rolling element guiding structures, it is characterized in that: the column separating part of connection chain is the polygonal columniation structure.