CN101025192B - Rolling column connection keeping device - Google Patents
Rolling column connection keeping device Download PDFInfo
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- CN101025192B CN101025192B CN2006100078622A CN200610007862A CN101025192B CN 101025192 B CN101025192 B CN 101025192B CN 2006100078622 A CN2006100078622 A CN 2006100078622A CN 200610007862 A CN200610007862 A CN 200610007862A CN 101025192 B CN101025192 B CN 101025192B
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- roller
- spacer portion
- keeping device
- joint
- rolling
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Abstract
The invention is an originally true roller coupling holding device, comprising connecting parts, holding parts and spacing part, where the holding parts are opposite by twos and vertically connected with the connecting parts and the upper and lower ends of the two opposite holding parts are each connected with a spacing part, the spacing parts are paired by twos and arranged between two rollers, the butt side of the spacing part butts against and linearly contacts with the contact rolling surface of the roller and the butt sides of the opposite spacing parts correspond to the axes of the rollers and are located on the two sides of a non-operating contact rolling surface; the junctions of the spacing parts and the holding parts are equipped with rapping allow groove; the invention is convenient to integrated moulding rapping, and quick and mass production, and the butt side of the spacing part avoids the rollers' bad actions, such as deflection, rubbing, collision and jitter in the rolling course.
Description
Technical field
The present invention provides a kind of connection keeping device that utilizes roller as the linear modules of the unit of rolling, it uses the unique design of spacer portion, produce one-body molded easily, quick mass-produced effect, and can avoid crooked friction of roller and collision, and guarantee that linear slide rail can the transmission of smooth-going ground.
Background technique
Modern science and technology is constantly progressive, because the continuous research and development of accurate feeding system improve, linear slide rail technology and products thereof becomes most important part in many accurate facility, linear mechanism product miscellaneous has entered the human lives widely, within processing factory and the high technology equipment, though the development of linear slide rail technology is very rapid, but the user still needs technology constantly to promote, therefore for example also produce linear product: linear slide rail is still treated many problems of progressive exploitation, and the correlation technique industry also all can effectively be improved the various new inventions of linear slide rail technology in positive research and development; On particularly stable, the quiet high-accuracy manufacturing industry facility at many needs for example: wafer process equipment, CNC equipment or the like, so present linear mechanism technology still has some blind spots, the utmost point treats that people from all walks of life add the research and development improvement again.
The general institute on the market linear slide rail that uses is at the design aspect of roller spacer, and industry uses following three kinds mainly to design mostly at present:
A. the roller spacer of first kind of prior art sees also Fig. 1, it installs additional between the biend of roller 10 and keeps chain 12, and the manufacture of the spacer portion 11 of its maintenance chain 12 is the core that roller 10 is considered as mould, at first roller 10 is inserted among the feature die, prolong roller 10 surfaces again and carrying out the plastics injection molding, this kind roller spacer has following shortcoming patent No.: US6,626,572 B2:
1. the spacer portion 11 of prior art maintenance chain 12 is to be directly molded between the roller 10 as die core by roller 10, production technology is very complicated, and die size will change according to different sizes, when chain 12 is longer, the then required roller of inserting 10 becomes many relatively, the time of manufacturing operation is elongated, the production degree of difficulty is also higher, so the technical costs of kind existing product is higher.
2. owing to spacer portion 11 is to be directly molded between the roller 10 as die core by roller 10, so before spacer portion 11 moulding, must also cause the problem that manufacturing operation is complicated, ten minutes expends cost at spacer portion 11 and 10 coatings of roller parting agent.
3. the design's chain 12 has spacer portion 11 with the corresponding ccontaining roller 10 of two concave surfaces, and the radius of curvature of 11 liang of concave surfaces of spacer portion is identical with roller 10 radiuses, contact with the face that 10 of rollers present applying fully so plant spacer portion 11, significantly increase the surface friction drag between roller and the spacer portion.
B. another kind of prior art embodiment sees also Fig. 2, it is as penetrating the mould core equally with roller 10, and between roller 10 surfaces, penetrate spacer portion 13, the touch scrolling face while ejection formation of each spacer portion 13 corresponding roller 10 has joint 131 patent No.s of protrusion: US 6,390,678 B1; The production technology that product is commonly used in this design and the 1st is identical, but both differences are only in the ejection formation position difference of protruding joint 131, and it has following shortcoming equally:
1. the spacer portion 13 of this prior art protrusion joint 131 is to be directly molded between the roller 10 as die core by roller 10, production technology is complicated equally, and die size also will be according to different chain dimensions facility when varying dimensions is longer become big relatively, the cost of manufacturing operation, degree of difficulty are also higher.
2. owing to spacer portion 13 is directly molded between the roller 10 as die core by roller 10 equally, so before spacer portion 13 moulding, also will also cause the problem that manufacturing operation is complicated, ten minutes expends cost at spacer portion 13 and 10 coatings of roller parting agent.
3. the protrusion joint 131 of second kind of prior art is arranged on the touch scrolling face one side central authorities of roller 10, and slide block just must process specific steering channel in the roller slot of relative roller running contact position, because steering channel processing is difficult for, so second kind of prior art still has higher cost of production, more allow protrusion joint 131 influence the rolling smoothness.
Second kind of prior art still spacer portion 13 with the corresponding ccontaining roller 10 of two concave surfaces, and the radius of curvature of 13 liang of concave surfaces of spacer portion is identical with roller 10 radiuses, contact with the face that 10 of rollers present applying fully so plant spacer portion 13, also can increase the surface friction drag between roller and the spacer portion.
5. because roller 10 radial line directions are most important load direction, but second kind of prior art embodiment's protrusion joint 131 is positioned at roller 10 radial line directions, can significantly reduce the touch scrolling area of roller and slide block groove, significantly reduce the load carrying capacity and the rigidity of linear slide rail.
C. last, the third prior art embodiment sees also Fig. 3, its contact side at roller 10 biends installs two parallel joints 15 additional, two joints 15 inwardly tiltedly stretch out many inclination support parts 14, and inclination support part 14 is connected with a spacer portion 16 in the other end in pairs, and these spacer portion 16 correspondences are replaced in roller 10 another contact side patents of rolling: US 2005/0152625 A1; This design has following shortcoming:
1. because two joints 15 are mounted in the contact side of roller 10 biends, and two joints 15 are concordant with the running contact position of roller 10, the third prior art embodiment's joint 15 can have influence on the running of running contact position, roller 10 both sides, and the rolling resistance of roller 10 forms the contact friction easily in the time of more can forming operation.
2. in addition, pattern is tiltedly stretched for reducing by the inclination support part 14 of the third prior art, so one section short spacer portion 16 only can contact the position, stage casing of roller 10, because roller 10 only is subjected to the maintenance strength of an inclined to one side side, wave so the third prior art keeps the spacer portion 16 of usefulness to move to produce easily under inclination support part 14 cooperates, cause the operation force inequality on the contrary.
By the said goods as can be known, used the roller system of linear mechanism still can't long term maintenance stablize running in the past; At above defective,, really be the target that a utmost point waits to lay siege to improvement asking desirable, practical and progressive today.
Because this, this case inventor is through detailed think of funiculus, and the long-pending experience of being engaged in various linear slide rail products and linear slide rail technology for many years, develop a kind of brand-new rolling column connection keeping device, it can be produced in a large number one-body molded, fast, and avoid roller rolling process produce crooked, bad start such as rub, collide and beat, guarantee the smooth-going ground transmission of linear slide rail energy.
Summary of the invention
Primary and foremost purpose of the present invention is to provide a kind of easy moulding, quick mass-produced rolling column connection keeping device.
For reaching above-mentioned purpose, the present invention utilizes spacer portion in twos relatively and the joint vertical connection, offer die sinking in spacer portion and holding part jointing place and allow the design of groove, make that holding part and joint penetrate easily, withdrawing pattern, and this spacer portion is that length is corresponding to roller length, more need not with roller as penetrating core, effectively reduce production cost, can one-body moldedly finish really, fast a large amount of production and assembly.
The rolling column connection keeping device that provides a kind of transmission irregularity stable is provided secondary objective of the present invention.
For reaching above-mentioned purpose, the relative in twos and joint vertical connection of holding part of the present invention, and the upper and lower end in relative two holding parts respectively is connected with a spacer portion, this spacer portion is in pairs also at interval between two rollers, the having of this spacer portion replaced side and is the touch scrolling face of line contact against roller, and relative spacing portion replaces the both sides that the corresponding roller of side axle center is positioned at the inoperative rolling surface; The replacing side and can more stablely replace roller of upper and lower two spacer portion of mat, avoid roller rolling process produce crooked, bad start such as rub, collide and beat, in addition, this relative spacing portion replaces the corresponding roller axle center of side and is positioned at the both sides of inoperative touch scrolling face, can guarantee that more linear slide rail can the transmission of smooth-going ground.
Another object of the present invention provides a kind of rolling column connection keeping device that can store the running oiling agent.
Two spacer portion of the present invention cooperate two holding parts to form the ring-type square type of hollow structure, utilize spacer portion allow and produce the gap between two rollers, can not only keep the rolling surface of roller contactless, and can bring into play the function of kind of lubricant storage.
Height technological thought, the means of relevant this case invention by reaching above-mentioned purpose, being adopted, but enumerate a preferable embodiment now and cooperate the 4th to 6 graphic detailed description as after, believe purpose, feature and other advantage of this case invention, when can by one deeply and concrete understanding.
Rolling column connection keeping device of the present invention is installed on most root rollers 20, and the rolling column connection keeping device displacement is in the roller runner of linear system, and this rolling column connection keeping device includes joint 30, holding part 40 and spacer portion 60, and its structure characteristic is:
This joint 30, be installed in biend 21 places of the roller 20 of arrangement, and two joints 30 have rough consistent distance with two running contact position 221 of the rolling surface 22 of this roller 20 relatively, and in fact the joint of this creation remains in two the operating between the contact position and get final product of rolling surface of this roller;
This holding part 40, relative in twos and these joint 30 vertical connections;
This spacer portion 60, connect the upper end and the lower end that are positioned at relative two holding parts 40, on, the spacer portion 60 of lower end is in pairs also at interval between two rollers 20, these spacer portion 60 2 sides have respectively to be replaced side 61 and is the line contact rolling surface 22 against roller 20, and relative spacing portion 60 replaces all corresponding roller of side 61 20 axle center, and on, the spacer portion 60 of lower end be positioned at roller 20 on, following work running 221 both sides, contact position, all offer in addition die sinking and allow groove 50 in this spacer portion 60 and holding part 40 jointing places, and two spacer portion 60 cooperate two holding parts 40 to form the ring-type square type of hollow structure, have the rolling surface 22 of maintenance roller 20 and the function of oil storage;
So by the ingenious arrangement of above-mentioned structure characteristic and its correlation position, cooperating the interactive action principle between following each member again is to reach the basic purpose of taking off before the present invention.
Use beneficial effect of the present invention to be: force roller evenly distributed, avoid roller rolling process produce crooked with bad start such as beat, guarantee that the line rail can the transmission of smooth-going ground.
Stable more guiding and each roller of interval are avoided metal friction and collision between the adjacent roller, significantly reduce level of noise.
The present invention's integrally formed and die sinking easily utilizes general plastics forming technique to produce in a large number fast.
Description of drawings
The stereogram of first kind of prior art of Fig. 1.
The three-dimensional exploded view of second kind of prior art of Fig. 2.
The stereogram of the third prior art of Fig. 3.
Fig. 4 stereogram of the present invention.
Fig. 5 the present invention arrange in pairs or groups roller in conjunction with stereogram.
Fig. 6 running assembly schematic side view of the present invention.
Fig. 7 mould of the present invention penetrates cross-sectional schematic.
Symbol description
" commonly using "
Joint 131 inclination support parts 14
Joint 15 spacer portion 16
" the present invention "
Rolling surface 22 running contact position 221
Holding part 40
Die sinking allows groove 50
Mould A slide block B
Embodiment
Secondly, again the operating principle of this case invention is cooperated graphic detailed description as after, your auditor the phase makes to structure of the present invention, feature and other advantage further cognition and understanding to be arranged; Really be progressive with practical advantage for ease of explanation with showing the present invention, please consult Fig. 5 again, the present invention shown in Figure 6 operates schematic representation than conventional construction:
This spacer portion of the present invention 60 connects upper end and the lower end that is positioned at relative two holding parts 40, the spacer portion 60 of upper and lower end in pairs and the interval between two rollers 20, can effectively stablize the running of roller 20;
In addition, these spacer portion 60 2 sides have respectively to be replaced side 61 and is the line contact rolling surface 22 against roller 20, and relative spacing portion 60 replace all corresponding roller of side 61 20 axle center, so spacer portion of the present invention 60 and both sides roller 20 contact friction also seldom.
What deserves to be explained is, be positioned at the action that the spacer portion 60 of upper and lower work running 221 both sides, contact position of roller 20 can effectively stablize roller 20, reach rolling column connection keeping device enhancement transmission irregularity stablizing effect really; Adjoining roller 20 can not collided each other; And the form that is combined into rectangular ring not only can store lubricant oil, and can prevent further that two holding parts 40 and upper and lower end spacer portion 60 from producing distortion, make the present invention be unlikely in operation, to wave and rock, use shake pendulum, resistance and noise when reducing the linear slide rail operation.
On the other hand, see also Fig. 7, the present invention all offers die sinking and allows groove 50 in this spacer portion 60 and holding part 40 jointing places, and joint 30, holding part 40 all be level or the consistent structural design of Vertical direction with spacer portion 60, can allow easily that mould A passes through under the die sinking of arranging in pairs or groups allows groove 50; Rolling column connection keeping device of the present invention has a hollow structure and stablizes roller 20, does not need to imbed roller production in advance as the mode of production in the known techniques, only needs to make on mould A that slide block B detaches is the feature of plastic this hollow structure.
So ejaculation production and die sinking that the present invention can be very convenient, structural design can not cause the puzzlement in the production; In addition, the present invention is holding part and joint penetrates easily, withdrawing pattern not only, and this spacer portion is that length corresponds in roller length, more need not again with roller as penetrating core, be really a kind ofly can one-body moldedly finish, the brand-new design of fast a large amount of production and assembly.
What will illustrate is again, joint 30 is installed in biend 21 places of the roller 20 of arrangement, and two joints 30 have rough consistent can operate between the contact position at two of the rolling surface of this roller apart from this joint with two running contact position 221 of the rolling surface 22 of this roller 20 relatively; So being different from the position that prior art will be installed with the guide slot of joint, the present invention makes in the roller slot, the rolling surface that also need not corresponding roller is convinced groove by patient analysis, but directly process at the roller slot edge die sinking line position of the easiest processing, thus, mould of the present invention needn't be made loaded down with trivial details processing, can simplify the operation of production and processing really.
The present invention utilizes aforementioned joint 30, holding part 40 and spacer portion 60 designs, can reach following advantage:
1. force roller evenly distributed, avoid roller rolling process produce crooked with bad start such as beat, guarantee that the line rail can the transmission of smooth-going ground.
2. stable more guiding and each roller of interval are avoided metal friction and collision between the adjacent roller, significantly reduce level of noise.
3. the present invention's integrally formed and die sinking easily utilizes general plastics forming technique to produce in a large number fast.
In sum, the innovation structure design of this case has joint, holding part and spacer portion, the relative in twos and joint vertical connection of this holding part, and the upper and lower end in relative two holding parts respectively is connected with a spacer portion, this spacer portion is in pairs also at interval between two rollers, the having of this spacer portion replaced side and is the touch scrolling face of line contact against roller, and relative spacing portion replaces the corresponding roller axle center of side and is positioned at the both sides of inoperative touch scrolling face; Offer in addition die sinking and allow groove in spacer portion and holding part jointing place; The present invention be convenient to one-body molded die sinking, fast a large amount of production, and relative spacing portion replace the side design avoid roller rolling process produce crooked, bad start such as rub, collide and beat; So the present invention has the utilizability of industry should be unquestionable, in addition, the feature technology in that this case embodiment is exposed had not also seen all publications before application, also be not disclosed use, not only have the fact of effect enhancement as mentioned above, have more can not be indiscreet and negligent additional effect, hereat, novelty of the present invention and progressive have all met patent statute, the whence proposes application for a patent for invention in accordance with the law, requests and gives examination and grant quasi patent early, and the true feeling moral just.
Claims (4)
1. rolling column connection keeping device, on the roller in linear system, this rolling column connection keeping device includes joint, holding part and spacer portion, it is characterized in that:
This joint is installed in the biend place of the roller of arrangement;
This holding part, relative in twos and this joint vertical connection;
This spacer portion, connect the upper end and the lower end that are positioned at relative two holding parts, the spacer portion of upper and lower end is in pairs also at interval between two rollers, these spacer portion two sides have respectively to be replaced side and is the line contact rolling surface against roller, all offer in addition die sinking and allow groove, and two spacer portion cooperate the ring-type square type of two holding parts formation hollow structure in this spacer portion and holding part jointing place.
2. rolling column connection keeping device according to claim 1 is characterized in that: this connection part is between two running contact position of the rolling surface of this roller.
3. rolling column connection keeping device according to claim 1 and 2 is characterized in that: this relative spacing portion replaces all corresponding roller of side axle center, and the spacer portion of upper and lower end is positioned at the upper and lower work running both sides, contact position of roller.
4. rolling column connection keeping device according to claim 2 is characterized in that: this joint has the distance of rough unanimity with respect to two running contact position of the rolling surface of this roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100078622A CN101025192B (en) | 2006-02-21 | 2006-02-21 | Rolling column connection keeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100078622A CN101025192B (en) | 2006-02-21 | 2006-02-21 | Rolling column connection keeping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101025192A CN101025192A (en) | 2007-08-29 |
| CN101025192B true CN101025192B (en) | 2010-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100078622A Active CN101025192B (en) | 2006-02-21 | 2006-02-21 | Rolling column connection keeping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101025192B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701059A (en) * | 1985-09-18 | 1987-10-20 | Nippon Thompson Co., Ltd. | Holding device of rolling bearing for rectilinear motion |
| CN1095949C (en) * | 1997-12-29 | 2002-12-11 | Skf工程研究中心公司 | Cage with improved grease retention |
| CN1668857A (en) * | 2002-07-19 | 2005-09-14 | 迪姆肯公司 | Unitized cage for cylindrical roller bearing |
-
2006
- 2006-02-21 CN CN2006100078622A patent/CN101025192B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701059A (en) * | 1985-09-18 | 1987-10-20 | Nippon Thompson Co., Ltd. | Holding device of rolling bearing for rectilinear motion |
| CN1095949C (en) * | 1997-12-29 | 2002-12-11 | Skf工程研究中心公司 | Cage with improved grease retention |
| CN1668857A (en) * | 2002-07-19 | 2005-09-14 | 迪姆肯公司 | Unitized cage for cylindrical roller bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101025192A (en) | 2007-08-29 |
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