CN209838951U - Heavy-prepressing high-rigidity narrow-width linear guide rail device - Google Patents
Heavy-prepressing high-rigidity narrow-width linear guide rail device Download PDFInfo
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- CN209838951U CN209838951U CN201920454153.1U CN201920454153U CN209838951U CN 209838951 U CN209838951 U CN 209838951U CN 201920454153 U CN201920454153 U CN 201920454153U CN 209838951 U CN209838951 U CN 209838951U
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- guide rail
- linear guide
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- slider
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Abstract
The utility model discloses a heavy pre-compaction high rigidity narrow width linear guide device, including guide rail (1) and complex slider (2) with it, slider (2) the left and right sides respectively has a row of little roller (3), has a row of big roller (4) to be located in the middle of slider (2) the left and right sides little roller (3), and the length of big roller (4) is four to six times high rigidity designs of diameter, and the width size of slider (2) is 34 ~ 248mm, and returner (5) are installed at the both ends of slider (2). The utility model discloses a high rigidity design of big roller increases linear guide's pre-compaction, makes the contact gap between roller and guide rail diminish to make the area of contact increase between roller and guide rail, linear guide's precision promotes gradually, thereby promotes linear guide's life greatly. Through the narrow design of slider width dimension, promoted the direction of slider and the flexibility of operation greatly, reduced the size of accurate board, promoted the flexibility and the machining precision of board.
Description
Technical Field
The utility model belongs to the technical field of the straight line guiding device technique and specifically relates to a linear guide device, specifically speaking are linear guide device of heavy pre-compaction high rigidity narrow width.
Background
The linear guide rail is also called a linear rail, a slide rail, a linear guide rail and a linear slide rail, is used in the linear reciprocating motion occasions, can bear certain torque, and can realize high-precision linear motion under the condition of high load. The linear guide rail is a rolling guide device, and rollers are infinitely rolled and circulated between a slide block and the guide rail, so that the load platform can easily move linearly along the guide rail with high precision, the friction coefficient is reduced to one fiftieth of that of the common traditional sliding guide, and high positioning precision can be easily achieved.
The application of the linear guide rail in the machine industry is more and more extensive, and the linear guide rail mainly plays a role in bearing weight and guiding in precision mechanical equipment. When the existing linear guide rail bears higher weight, the contact area between a linear guide rail roller and the guide rail is smaller, when the existing linear guide rail bears higher weight, the roller not only needs to bear longitudinal pressure, but also needs to bear transverse tension, the roller in a sliding block is easy to deviate, fluctuation occurs under the influence of rolling resistance, and the friction resistance of the linear guide rail is increased, so that the linear guide rail is easy to deform and reduce in rigidity, and because the linear guide rail is not rigid enough, vibration is generated in the precision machining process, so that the precision of product machining is influenced, and even the product is scrapped, and the width size of the linear guide rail sliding block is larger, in the high-precision product machining, the flexibility of the guiding and the operation of the sliding block can not meet the requirement of high-precision product machining.
Therefore, it is an urgent problem to provide a heavy prepressing high-rigidity narrow-width linear guide device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects that when the existing linear guide rail bears higher weight, the contact area between the linear guide rail roller and the guide rail is smaller, when bearing high weight, the rollers not only need to bear longitudinal pressure, but also bear transverse tension, the rollers in the sliding blocks are easy to shift, meanwhile, fluctuation occurs under the influence of rolling resistance, and the friction resistance of the linear guide rail is increased, so that the linear guide rail is easy to deform and has low rigidity, the vibration is generated in the precision machining process, thereby influencing the precision of product machining and even leading to product scrapping, the width dimension of the linear guide rail slide block is larger, in the high-precision product processing, the technical problem that the guiding and running flexibility of the sliding block cannot meet the requirement of the high-precision product processing is solved by providing a heavy-prepressing high-rigidity narrow-width linear guide rail device.
The technical scheme of the utility model a heavy pre-compaction high rigidity narrow width linear guide device is provided, include: the guide rail 1 and the slider 2 that cooperates with it, the slider 2 each has a row of little roller 3 in the left and right sides, has a row of big roller 4 to be located the middle of the little roller 3 in the left and right sides of slider 2, and the length of big roller 4 is the high rigidity design of four to six times of diameter, and the width size of slider 2 is 34 ~ 248mm, and the both ends of slider 2 are installed the returner 5.
Furthermore, two sides of the guide rail 1 are provided with running surfaces matched with the two rows of the small rollers 3, and the included angle between the running surfaces and the horizontal plane is 45 degrees.
Furthermore, the top surface of the guide rail 1 is provided with a running surface matched with a row of large rollers 4, and the running surface is parallel to a horizontal plane.
Further the large rollers 4 are four to six times longer than the small rollers 3.
Furthermore, two ends of the large roller 4 are respectively provided with a small step, and the diameter of the large roller 4 is two to four times of that of the small step.
Further, the height dimension of the guide rail 1 is 20-168 mm.
Compared with the prior art, the beneficial effects of the utility model include: through the high rigidity design of big roller, increase linear guide's pre-compaction, make the contact gap between roller and the guide rail diminish to make the area of contact increase between roller and the guide rail, because the contact gap diminishes, linear guide's precision promotes gradually, and the contact friction between roller and the guide rail is also more regular, thereby promotes linear guide's life greatly.
The utility model discloses a little step design at big roller both ends makes the slider when doing unlimited circulation operation, carries on spacingly through little step design, can make linear guide's operation more smooth and easy, and the noise that produces when avoiding linear guide to bear higher weight reduces linear guide's drive energy.
The utility model discloses a design of guide rail three rows face of traveling makes the structure of guide rail more simplify, very shortens on the processing cycle of guide rail, greatly reduced the processing cost of guide rail.
The utility model discloses a slider width dimension's narrow design has promoted the direction of slider and the flexibility of operation greatly, can use on the higher mechanical structure of required precision, has reduced the size of accurate board, has reduced the dead weight of accurate board, has promoted the flexibility and the machining precision of board.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is understood that the following drawings only show some embodiments of the invention and are therefore not to be considered limiting of its scope, for a person skilled in the art to derive from them other relevant drawings without inventive effort, which are within the scope of the invention.
FIG. 1 is a cross-sectional view of a heavy pre-stressed high-rigidity narrow-width linear guide rail device;
FIG. 2 is a schematic structural view of a heavy-preload high-rigidity narrow-width linear guide rail device;
in the drawings: 1. a guide rail; 2. a slider; 3. a small roller; 4. a large roller; 5. and a returning device.
Detailed Description
In view of the deficiencies in the prior art, the technical solution of the present invention can be provided through long-term research and a large amount of practice. The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.
FIG. 1 is a cross-sectional view of a heavy pre-stressed high-rigidity narrow-width linear guide rail device; fig. 2 is a schematic structural diagram of a heavy-preload high-rigidity narrow-width linear guide rail device. As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a heavy prepressing high-rigidity narrow linear guide device, including: the guide rail 1 and the slide block 2 matched with the guide rail, wherein the left side and the right side of the slide block 2 are respectively provided with a row of small rollers 3, and a row of large rollers 4 are positioned on the left side and the right side of the slide block 2
In the middle of the small rollers 3 on the two sides, the length of the large roller 4 is designed to be four to six times of the diameter of the large roller, the width of the sliding block 2 is 34-248 mm, and the two ends of the sliding block 2 are provided with the return devices 5.
The embodiment of the utility model provides a provide a heavy pre-compaction high rigidity narrow width linear guide device, 1 both sides of guide rail have with two little roller 3 matched with planes of going, the plane of going is 45 with the contained angle of horizontal plane.
The embodiment of the utility model provides a provide a heavy pre-compaction high rigidity narrow width linear guide device, 1 top surface of guide rail have with a big roller 4 matched with driving face, the driving face parallels with the horizontal plane.
The embodiment of the utility model provides a heavy pre-compaction high rigidity narrow width linear guide device, 4 length of big roller are four to six times of 3 length of little roller.
The embodiment of the utility model provides a provide a heavy pre-compaction high rigidity narrow width linear guide device, the both ends of big roller 4 have little step respectively, and the diameter of big roller 4 is two to four times of little step diameter.
The embodiment of the utility model provides a provide a heavy pre-compaction high rigidity narrow width linear guide device, guide rail 1's height dimension is 20 ~ 168 mm.
Compared with the prior art, the beneficial effects of the utility model include: through the high rigidity design of big roller, increase linear guide's pre-compaction, make the contact gap between roller and the guide rail diminish to make the area of contact increase between roller and the guide rail, because the contact gap diminishes, linear guide's precision promotes gradually, and the contact friction between roller and the guide rail is also more regular, thereby promotes linear guide's life greatly.
The utility model discloses a little step design at big roller both ends makes the slider when doing unlimited circulation operation, carries on spacingly through little step design, can make linear guide's operation more smooth and easy, and the noise that produces when avoiding linear guide to bear higher weight reduces linear guide's drive energy.
The utility model discloses a design of guide rail three rows face of traveling makes the structure of guide rail more simplify, very shortens on the processing cycle of guide rail, greatly reduced the processing cost of guide rail.
The utility model discloses a slider width dimension's narrow design has promoted the direction of slider and the flexibility of operation greatly, can use on the higher mechanical structure of required precision, has reduced the size of accurate board, has reduced the dead weight of accurate board, has promoted the flexibility and the machining precision of board.
The utility model provides a pair of heavy pre-compaction high rigidity narrow width linear guide device, it should be understood, above-mentioned embodiment is only for the explanation the utility model discloses a technical conception and characteristics, its aim at let the personage of familiar with this technique can understand the utility model discloses an according to in order to implement, can not restrict with this the utility model discloses a protection scope. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a narrow width of cloth linear guide device of heavy pre-compaction high rigidity which characterized in that includes: the guide rail (1) and the slider (2) that cooperates with it, the slider (2) each side has a row of little roller (3), has a row of big roller (4) to be located the middle of slider (2) left and right sides little roller (3), and the length of big roller (4) is the high rigidity design of four to six times of diameter, and the width size of slider (2) is 34 ~ 248mm, and return ware (5) are installed at the both ends of slider (2).
2. The heavy prepressing high-rigidity narrow-width linear guide rail device according to claim 1, wherein: the two sides of the guide rail (1) are provided with running surfaces matched with the two rows of small rollers (3), and the included angle between the running surfaces and the horizontal plane is 45 degrees.
3. The heavy prepressing high-rigidity narrow-width linear guide rail device according to claim 1, wherein: the top surface of the guide rail (1) is provided with a running surface matched with a row of large rollers (4), and the running surface is parallel to the horizontal plane.
4. The heavy prepressing high-rigidity narrow-width linear guide rail device according to claim 1, wherein: the length of the large roller (4) is four to six times of the length of the small roller (3).
5. The heavy prepressing high-rigidity narrow-width linear guide rail device according to claim 1, wherein: the two ends of the large roller (4) are respectively provided with a small step, and the diameter of the large roller (4) is two to four times of that of the small step.
6. The heavy prepressing high-rigidity narrow-width linear guide rail device according to claim 1, wherein: the height dimension of the guide rail (1) is 20-168 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454153.1U CN209838951U (en) | 2019-04-07 | 2019-04-07 | Heavy-prepressing high-rigidity narrow-width linear guide rail device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454153.1U CN209838951U (en) | 2019-04-07 | 2019-04-07 | Heavy-prepressing high-rigidity narrow-width linear guide rail device |
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| Publication Number | Publication Date |
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| CN209838951U true CN209838951U (en) | 2019-12-24 |
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| CN201920454153.1U Active CN209838951U (en) | 2019-04-07 | 2019-04-07 | Heavy-prepressing high-rigidity narrow-width linear guide rail device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958708A (en) * | 2019-04-07 | 2019-07-02 | 苏州华正工业科技有限公司 | A kind of heavy narrow linear guide rail device of precompressed high rigidity |
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2019
- 2019-04-07 CN CN201920454153.1U patent/CN209838951U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958708A (en) * | 2019-04-07 | 2019-07-02 | 苏州华正工业科技有限公司 | A kind of heavy narrow linear guide rail device of precompressed high rigidity |
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