CN112065852A - Novel linear roller pin heavy-load guide rail pair - Google Patents
Novel linear roller pin heavy-load guide rail pair Download PDFInfo
- Publication number
- CN112065852A CN112065852A CN202010787134.8A CN202010787134A CN112065852A CN 112065852 A CN112065852 A CN 112065852A CN 202010787134 A CN202010787134 A CN 202010787134A CN 112065852 A CN112065852 A CN 112065852A
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- China
- Prior art keywords
- guide rail
- roller pin
- sliding block
- annular
- heavy
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0611—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the return passages, i.e. the passages where the rolling elements do not carry load
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a novel linear roller pin heavy-load guide rail pair which comprises a guide rail and a slide block, wherein a slide opening is formed in the slide block and matched with the guide rail, a first annular roller pin circulating groove is formed in the slide block, the bottom end of the first annular roller pin circulating groove penetrates through the slide opening, and a group of first roller pins which are loosely matched are arranged in the first annular roller pin circulating groove; and second annular roller pin circulation grooves are formed in the left side and the right side of the sliding opening, the two second annular roller pin circulation grooves are close to the guide rail and penetrate through the sliding opening, and a group of loosely-matched second roller pins are mounted in the two second annular roller pin circulation grooves. The invention has the advantages of ingenious and reasonable structural design, can ensure that the sliding block can stably run with high precision in a heavy-load environment, and is worthy of popularization and application.
Description
Technical Field
The invention relates to a guide rail pair, in particular to a novel linear roller pin heavy-load guide rail pair.
Background
The linear guide rail can be divided into: the roller linear guide rail, the cylindrical linear guide rail and the ball linear guide rail are used for supporting and guiding a moving part to do reciprocating linear motion in a given direction.
The existing sliding block is in rolling friction contact with the guide rail by installing a ball and a ball returning device, and the ball, the sliding block and the guide rail are in point contact, so that under the condition of heavy load, the contact area of the sliding block and the guide rail is very easily stressed to be overlarge, and the contact area of the sliding block and the guide rail is sunken, so that the sliding block is loosened and unstable, and the guide rail sliding block on the market cannot be applied to heavy-load working condition guide motion occasions.
The Chinese patent CN201320634549.7 discloses an upper dustproof and linear guide rail slide block for a linear guide rail slide block, wherein the linear guide rail slide block adopts a rolling connection part under the action of balls, and under the condition of heavy load, the slide block is easy to loose due to overlarge stress on the slide block and a guide rail connection area, and the condition of scrapping the guide rail slide block is caused seriously; a guide rail pair which can be stably applied under the condition of heavy load, is small in size and high in precision is urgently needed in the market.
Disclosure of Invention
The invention aims to solve the defects of the prior art, provides a novel linear roller pin heavy-load guide rail pair which can stably guide and move under a heavy-load working condition and has high precision, and meets the requirement that enterprises can stably guide and move to process high-precision products in heavy-load occasions.
The invention adopts the technical scheme for solving the technical problems that: the novel linear needle roller heavy-load guide rail pair comprises a guide rail and a slide block, wherein a slide opening is formed in the slide block and matched with the guide rail, a first annular needle roller circulation groove is formed in the slide block, the bottom end of the first annular needle roller circulation groove penetrates through the slide opening, and a group of first needle rollers which are loosely matched and bear the longitudinal load of the slide block are installed in the first annular needle roller circulation groove; second annular roller pin circulation grooves are formed in the left side and the right side of the sliding opening respectively, the two second annular roller pin circulation grooves close to the guide rail side penetrate through the sliding opening, and a group of second roller pins which are loosely matched and bear left and right loads of the sliding block are mounted in the two second annular roller pin circulation grooves; the first annular roller pin circulating groove and the second annular roller pin circulating groove are formed by two straight channels and two semicircular bend channels. The function of the sliding opening is that the sliding block is matched with the guide rail; the first annular needle roller circulation grooves and the first needle rollers are used for sliding the sliding block on the guide rail, and when the sliding block slides, each first needle roller rolls and circularly rolls in the first annular needle roller circulation grooves, so that the sliding block can roll and rub on the guide rail, the first needle rollers are cylindrical, the contact surface is large, compared with balls, the contact surface between the sliding block and the guide rail cannot be damaged, and the sliding block can keep high stability and precision under the condition of heavy load and ensure the stability of the sliding block; the second annular roller pin circulating groove and the second roller pin have the functions of limiting the sliding block in the left and right directions, so that the stability of the sliding block in the left and right directions on the guide rail is ensured, and the stability of the sliding block when the sliding block is subjected to loads in the left and right directions can be borne; the first annular roller pin circulation groove is internally provided with a group of first roller pins which are loosely matched and bear the longitudinal load of the sliding block, the two second annular roller pin circulation grooves are internally provided with a group of second roller pins which are loosely matched and bear the left and right loads of the sliding block, and the loose matching has the effects that the first roller pins can circularly roll in the first annular roller pin circulation groove, the second roller pins can circularly roll in the second annular roller pin circulation groove, the situation that the first roller pins are clamped in the first annular roller pin circulation groove and cannot roll is avoided, and the situation that the second roller pins are clamped in the second annular roller pin circulation groove and cannot roll is avoided.
Further perfection, the left and right sides of the guide rail are provided with inclined planes in the shape of an inverted V, and the two second annular roller pin circulation grooves are both inclined and enable the second roller pins on the two sides to be respectively matched with the two inclined planes. The inclined surfaces of the inverted splay shape and the second annular roller pin circulation grooves are inclined, and the second roller pins on two sides are respectively matched with the two inclined surfaces, so that the slide block can be prevented from being separated from the guide rail, and the guide rail pair can be installed and used in the longitudinal direction and the transverse direction.
Further perfect, the top of slider is provided with first recess, and the top of slider is fixed with the installation screw hole. The first groove has the effect that the supporting plate can reduce the contact area with the sliding block, so that the supporting plate is more stable; the mounting screw hole is used for fastening the mounting support plate.
Further perfect, the bottom of guide rail is provided with the second recess, is provided with the countersunk head mounting hole on the guide rail. The countersunk mounting holes serve here for the mounting and fixing of the guide rail to the base.
Further perfection, the side of the guide rail is provided with a group of threaded holes for adjusting the straightness of the guide rail. The threaded holes are used for installing the bolts, so that the straightness of the guide rail is adjusted through the transverse jacking of the bolts, and the sliding block runs on the guide rail, so that the precision is higher and more accurate.
The invention has the beneficial effects that: the invention has ingenious and reasonable structural design, the sliding opening can be used for matching the sliding block at the guide rail, the first annular roller pin circulating groove and the first roller pin can be used for sliding the sliding block on the guide rail, and when the sliding block slides, each first roller pin rolls and circularly rolls in the first annular roller pin circulating groove, so the sliding block can roll and rub at the guide rail, and the first roller pin is cylindrical, so the contact surface is large, compared with a ball, the contact surface between the sliding block and the guide rail cannot be influenced, so the sliding block can keep high stability and precision under the heavy load condition, the stability of the sliding block is ensured, and the second annular roller pin circulating groove and the second roller pin can limit the sliding block in the left and right directions, so the stability of the sliding block on the guide rail in the left and right directions is ensured, and the stability of the sliding block under the load in the left and right directions can be also borne The sliding block is reasonable, can run in a high-precision mode under a heavy-load environment, and is worthy of popularization and application.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic cross-sectional view taken along line C-C of FIG. 1;
FIG. 5 is a view from perspective D of FIG. 1;
FIG. 6 is a view of another form of the guide rail of the present invention;
FIG. 7 is another form of the linear needle roller heavy-duty guide rail pair of the present invention.
Description of reference numerals: the needle roller comprises a guide rail 1, an inclined surface 1-1, a second groove 1-2, a countersunk head mounting hole 1-3, a threaded hole 1-4, a sliding block 2, a sliding opening 2-1, a first annular needle roller circulating groove 2-2, a second annular needle roller circulating groove 2-3, a first groove 2-4, a mounting threaded hole 2-5, a first rollback needle device 2-6, a second rollback needle device 2-7, a first needle roller 3 and a second needle roller 4.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
with reference to the accompanying drawings: the novel linear roller pin heavy-load guide rail pair comprises a guide rail 1 and a slide block 2, wherein a sliding opening 2-1 is formed in the slide block 2, the sliding opening 2-1 is matched with the guide rail 1, a first annular roller pin circulating groove 2-2 is formed in the slide block 2, the bottom end of the first annular roller pin circulating groove 2-2 penetrates through the sliding opening 2-1, and a group of first roller pins 3 which are loosely matched and bear the longitudinal load of the slide block 2 are installed in the first annular roller pin circulating groove 2-2; second annular roller pin circulation grooves 2-3 are formed in the left side and the right side of the sliding opening 2-1, the side, close to the guide rail 1, of each second annular roller pin circulation groove 2-3 penetrates through the sliding opening 2-1, and a group of second roller pins 4 which are loosely matched and bear the left load and the right load of the sliding block 2 are mounted in each second annular roller pin circulation groove 2-3; the first annular roller pin circulating groove 2-2 and the second annular roller pin circulating groove 2-3 are formed by two straight channels and two semicircular bend channels.
Inclined planes 1-1 in the shape of inverted V are arranged on the left side and the right side of the guide rail 1, and the two second annular roller pin circulation grooves 2-3 are inclined, so that the second roller pins 4 on the two sides are respectively matched with the two inclined planes 1-1.
The top end of the sliding block 2 is provided with a first groove 2-4, and the top end of the sliding block 2 is fixed with a mounting threaded hole 2-5.
The bottom end of the guide rail 1 is provided with a second groove 1-2, and the guide rail 1 is provided with a countersunk head mounting hole 1-3.
The side surface of the guide rail 1 is provided with a group of threaded holes 1-4 for adjusting the straightness of the guide rail 1.
The working principle of the invention is as follows: firstly, the guide rail 1 is installed at the position of a countersunk head installation hole 1-3 by using a bolt, then a support plate or a support seat (not shown) is installed at the position of a mounting threaded hole 2-5 by using the bolt, then a heavy object is placed on the support plate or the support seat, then the slide block 2 moves, the slide block 2 moves to drive the first needle roller 3 to circularly roll in the first annular needle roller circulation groove 2-2, so the slide block 2 can be in rolling friction at the guide rail 1, the first needle roller 3 is cylindrical, the contact surface is large, compared with the ball, the contact surface between the slide block 2 and the guide rail 1 cannot be extruded, so the slide block 2 can keep high stability and precision under heavy load, the stability of the slide block 2 is ensured, and the second annular needle roller circulation groove 2-3 and the second needle roller 4 can be left, right, left and right, The guide rail pair comprises a guide rail 1, a limiting slide block 2 in the right direction, a guide rail, two second annular roller pin circulating grooves 2-3 and a guide rail pair, wherein the guide rail pair comprises a guide rail and two second annular roller pin circulating grooves 4, the left side and the right side of the guide rail 1 are provided with inclined surfaces 1-1 in an inverted V shape, and the two second annular roller pin circulating grooves 2-3 are matched with the two inclined surfaces respectively; in the guide rail pair form shown in fig. 6, the installation holes of the guide rails are convenient to process, the width of the guide rails can be smaller, and the cost is lower; the guide rail pair form shown in FIG. 7 has the advantages of convenience in processing, low cost, easiness in processing and heat treatment, higher strength of the guide rail and better suitability for heavy load environmental conditions; the first and second rollback needle devices 2-6 and 2-7 are used for facilitating the processing of the first and second annular needle roller circulation grooves 2-2 and 2-3 and facilitating and operating the first and second needle rollers 3 and 4 to the first and second annular needle roller circulation grooves 2-2 and 2-3; the principle of the first needle back rolling device 2-6 and the principle of the second needle back rolling device 2-7 are consistent with that of the ball back rolling device, but the width of the needle back rolling groove is wider than that of the ball back rolling groove on the ball back rolling device, so that the needle back rolling device is suitable for placement and circular rolling of the needle rollers.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (5)
1. The novel linear roller pin heavy-load guide rail pair comprises a guide rail (1) and a sliding block (2), wherein a sliding opening (2-1) is formed in the sliding block (2), and the sliding opening (2-1) is matched with the guide rail (1), and the novel linear roller pin heavy-load guide rail pair is characterized in that: a first annular roller pin circulation groove (2-2) is formed in the sliding block (2), the bottom end of the first annular roller pin circulation groove (2-2) penetrates through the sliding opening (2-1), and a group of first roller pins (3) which are loosely matched and bear the longitudinal load of the sliding block (2) are mounted in the first annular roller pin circulation groove (2-2); second annular roller pin circulation grooves (2-3) are formed in the left side and the right side of the sliding opening (2-1), the side, close to the guide rail (1), of each second annular roller pin circulation groove (2-3) penetrates through the sliding opening (2-1), and a group of second roller pins (4) which are loosely matched and bear the left load and the right load of the sliding block (2) are mounted in each second annular roller pin circulation groove (2-3).
2. The novel linear needle roller heavy-duty guide rail pair as claimed in claim 1, which is characterized in that: inclined planes (1-1) in the shape of an inverted V are arranged on the left side and the right side of the guide rail (1), the two second annular roller pin circulation grooves (2-3) are inclined, and the second roller pins (4) on the two sides are respectively matched with the two inclined planes (1-1).
3. The novel linear needle roller heavy-duty guide rail pair as claimed in claim 1, which is characterized in that: the top end of the sliding block (2) is provided with a first groove (2-4), and the top end of the sliding block (2) is fixed with a mounting threaded hole (2-5).
4. The novel linear needle roller heavy-duty guide rail pair as claimed in claim 1, which is characterized in that: the bottom end of the guide rail (1) is provided with a second groove (1-2), and the guide rail (1) is provided with a countersunk head mounting hole (1-3).
5. The novel linear needle roller heavy-duty guide rail pair as claimed in claim 1, which is characterized in that: the side surface of the guide rail (1) is provided with a group of threaded holes (1-4) for adjusting the straightness of the guide rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010787134.8A CN112065852A (en) | 2020-08-07 | 2020-08-07 | Novel linear roller pin heavy-load guide rail pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010787134.8A CN112065852A (en) | 2020-08-07 | 2020-08-07 | Novel linear roller pin heavy-load guide rail pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112065852A true CN112065852A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010787134.8A Pending CN112065852A (en) | 2020-08-07 | 2020-08-07 | Novel linear roller pin heavy-load guide rail pair |
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| Country | Link |
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| CN (1) | CN112065852A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005127338A (en) * | 2003-10-21 | 2005-05-19 | Nsk Ltd | Linear guide device |
| CN201769061U (en) * | 2010-09-10 | 2011-03-23 | 天津市泰瑞轴承技术开发有限公司 | Machine tool needle roller linear guide rail pair |
| CN202484086U (en) * | 2011-12-21 | 2012-10-10 | 山东赛尔机械导轨有限公司 | Rolling linear guide rail pair adopting drum-shaped rollers |
| CN103433754A (en) * | 2013-08-26 | 2013-12-11 | 天津泰瑞机械装备科技股份有限公司 | Radial heavy load type roller linear guide rail pair |
| CN203926398U (en) * | 2014-06-09 | 2014-11-05 | 潘根水 | Built-in twin shaft core roller linear rail |
| CN106678174A (en) * | 2017-02-20 | 2017-05-17 | 威海亚母斯自动化设备有限公司 | Circular linear guide rail with fine adjustment function |
| CN109973519A (en) * | 2019-04-07 | 2019-07-05 | 苏州华正工业科技有限公司 | Normal pressure heavy-load column rolling guide-rail pairs |
| CN209557488U (en) * | 2018-12-04 | 2019-10-29 | 苏州昶耀精密机械有限公司 | A kind of slide unit roller guide |
| CN111271378A (en) * | 2020-04-01 | 2020-06-12 | 南京工艺装备制造有限公司 | Heavy-load guide rail pair |
-
2020
- 2020-08-07 CN CN202010787134.8A patent/CN112065852A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005127338A (en) * | 2003-10-21 | 2005-05-19 | Nsk Ltd | Linear guide device |
| CN201769061U (en) * | 2010-09-10 | 2011-03-23 | 天津市泰瑞轴承技术开发有限公司 | Machine tool needle roller linear guide rail pair |
| CN202484086U (en) * | 2011-12-21 | 2012-10-10 | 山东赛尔机械导轨有限公司 | Rolling linear guide rail pair adopting drum-shaped rollers |
| CN103433754A (en) * | 2013-08-26 | 2013-12-11 | 天津泰瑞机械装备科技股份有限公司 | Radial heavy load type roller linear guide rail pair |
| CN203926398U (en) * | 2014-06-09 | 2014-11-05 | 潘根水 | Built-in twin shaft core roller linear rail |
| CN106678174A (en) * | 2017-02-20 | 2017-05-17 | 威海亚母斯自动化设备有限公司 | Circular linear guide rail with fine adjustment function |
| CN209557488U (en) * | 2018-12-04 | 2019-10-29 | 苏州昶耀精密机械有限公司 | A kind of slide unit roller guide |
| CN109973519A (en) * | 2019-04-07 | 2019-07-05 | 苏州华正工业科技有限公司 | Normal pressure heavy-load column rolling guide-rail pairs |
| CN111271378A (en) * | 2020-04-01 | 2020-06-12 | 南京工艺装备制造有限公司 | Heavy-load guide rail pair |
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