CN211550272U

CN211550272U - High-torque rolling linear guide rail pair

Info

Publication number: CN211550272U
Application number: CN201922482870.8U
Authority: CN
Inventors: 向宝明; 向凌锋
Original assignee: Jiaxing Hailingda Precision Transmission Technology Co ltd
Current assignee: Jiaxing Hailingda Precision Transmission Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-22
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a high moment of torsion rolling linear guide is vice, including guide rail and slider, slider slidable mounting is on the guide rail, be equipped with first recess in the slider, the symmetry is equipped with the straight line gib on the lateral wall of first recess, namely, all be equipped with the straight line gib on the opposite face of first recess, it corresponds, be equipped with the straight line guide slot on the lateral wall of guide rail, the straight line gib is installed in the straight line guide slot, be equipped with the rolling member between straight line gib and straight line guide slot, when the straight line guide slot is vice to receive great torsion, the straight line gib, straight line guide slot and rolling member cooperation provide antitorque force, thereby effectively prevent that the slider from taking place to twist reverse the phenomenon of perhaps vibrations, improve the vice antitorque pendulum and the shock resistance of this straight line guide slot.

Description

High-torque rolling linear guide rail pair

Technical Field

The utility model relates to a guide rail field, concretely relates to high moment of torsion rolling linear guide is vice.

Background

The rolling linear guide groove pair is a linear motion pair which replaces sliding friction with rolling friction, supports and transmits a carrier by an infinite circulation of a rolling body (a ball or a roller) in a predetermined track and endows certain guiding precision. At present, traditional linear motion guide rail pairs in China are manufactured according to national standards, the more smooth the rolling of balls in the rolling guide rail pairs is, the more beneficial the reduction of vibration or impact generated in reciprocating motion is, a ball slideway is arranged at the contact position of a sliding block and a guide rail, a return channel is arranged in the sliding block, the balls run from the ball slideway to a rotary channel in a return device and then to the return channel, and the circular motion which is repeated relative to the guide rail is realized.

The traditional rolling linear guide groove pair has limited space structure, and the central distance between upper and lower rows of balls cannot be increased, so that the torsional pendulum resistance and the vibration resistance of the rolling linear guide groove pair are insufficient in various application fields such as metal mold engraving machines, high-speed small numerical control lathes and the like, and the processing requirements of customers cannot be met.

Disclosure of Invention

To above not enough, the utility model aims to solve the technical problem that a high moment of torsion rolling linear guide is vice is provided, and this linear guide groove is vice to have improved antitorque pendulum and shock resistance for this linear guide groove is vice can work under more harsh environment.

In order to solve the technical problems, the utility model adopts the technical proposal that,

the utility model provides a high moment of torsion rolling linear guide is vice, includes guide rail and slider, and slider slidable mounting is equipped with first recess in the slider on the guide rail, and the symmetry is equipped with the straight line conducting bar on the lateral wall of first recess, and is corresponding, is equipped with the straight line guide slot on the lateral wall of guide rail, and the straight line conducting bar is installed in the straight line guide slot, is equipped with the rolling piece between straight line conducting bar and straight line guide slot.

Preferably, the linear guide bar is uniformly dug along the length direction of the guide rail to form a rolling groove, and the rolling piece is arranged in the rolling groove.

Preferably, the rolling member is cylindrical, and the side wall of the rolling member is arc-shaped.

Preferably, the linear guide bar is uniformly provided with ball holes along the length direction of the guide rail in an excavating mode, and the rolling piece is installed in the ball holes.

Preferably, the rolling member is spherical.

Preferably, the ratio of the diameter of the rolling member to the width of the linear guide groove is 1.01: 1.

Preferably, a first rolling way and a second rolling way are arranged in the first groove, correspondingly, a third rolling way and a fourth rolling way which correspond to the first rolling way and the second rolling way are arranged on the guide rail, a ball mounting cavity is formed between the first rolling way and the third rolling way, and similarly, a ball mounting cavity is also formed between the second rolling way and the fourth rolling way.

Preferably, inverters are fixedly installed at both ends of the slider, and the inverters are connected with the first raceway and the second raceway to form a ball circulation channel.

Preferably, the linear guide strip is located below the second raceway.

Preferably, the ratio of the distance between the linear guide strip and the second raceway to the distance between the first raceway and the second raceway is 1: 1.5-1.6.

The beneficial effects of the utility model are that, when the sharp guide slot is vice to receive great torsion, sharp gib block, sharp guide slot and rolling part cooperation provide twisting resistance to effectively prevent that the slider from taking place to twist reverse or the phenomenon of vibrations, improve the vice antitorque pendulum of this sharp guide slot and shock resistance, thereby improve the vice stability of this sharp guide slot.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a front view of the first embodiment with the inverter concealed.

FIG. 3 is a schematic structural diagram of a slider according to an embodiment.

FIG. 4 is a schematic view of the rolling members according to the first embodiment.

FIG. 5 is a front view of the second embodiment with the inverter concealed.

FIG. 6 is a schematic structural diagram of a second slider according to an embodiment.

Reference numerals; the device comprises a guide rail 1, a sliding block 2, a first groove 3, a linear guide strip 4, a linear guide groove 5, a rolling piece 6, a rolling groove 7, a first rolling way 8, a second rolling way 9, a third rolling way 10, a fourth rolling way 11, an inverter 12 and a ball hole 13.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example one

The utility model provides a high moment of torsion rolling linear guide is vice, including guide rail 1 and slider 2, slider slidable mounting is on guide rail 1, be equipped with first recess 3 in slider 2, the symmetry is equipped with sharp gib 4 on the lateral wall of first recess 3, namely, all be equipped with sharp gib 4 on the opposite face of first recess 3, it is corresponding, be equipped with sharp guide slot 5 on the lateral wall of guide rail 1, sharp gib 4 is installed in sharp guide slot 5, be equipped with rolling member 6 between sharp gib 4 and sharp guide slot 5, when sharp guide slot is vice to receive great torsion, sharp gib 4, sharp guide slot 5 and rolling member 6 cooperation provide antitorque force, thereby effectively prevent slider 2 to take place the phenomenon of twisting or vibrations, improve vice antitorque pendulum and the shock resistance of this sharp guide slot, thereby improve the vice stability of this sharp guide slot.

The linear guide strip 4 is uniformly dug along the length direction of the guide rail and is provided with a rolling groove 7, a rolling part 6 is arranged in the rolling groove 7, the rolling part 7 is in a column shape, the rolling part 7 is in a circular arc shape on the side wall, and the arrangement of the circular arc rolling part 7 ensures that the rolling part 7 is in point contact with the linear guide groove 5 when not stressed, and the rolling part 7 is in line contact with the linear guide groove 5 when stressed, so that the stress surface is increased, and the torsional strength is improved.

The ratio of the diameter of the rolling part 7 to the width of the linear guide groove 5 is 1.01:1, the distance between the rolling part 7 and the linear guide rail 5 is reduced, the torsion angle between the sliding block 2 and the guide rail 1 is further reduced, and the stability is improved.

A first rolling way 8 and a second rolling way 9 are arranged in the first groove 3, correspondingly, a third rolling way 10 and a fourth rolling way 11 corresponding to the first rolling way 8 and the second rolling way 9 are arranged on the guide rail 1, a ball mounting cavity is formed between the first rolling way 8 and the third rolling way 10, similarly, a ball mounting cavity is also formed between the second rolling way 9 and the fourth rolling way 11, and the ball mounting cavity is used for providing a moving channel for balls.

The two ends of the sliding block 2 are fixedly provided with reversers 12, the reversers 12 are connected with the first rolling way 8 and the second rolling way 9 to form a ball circulation channel, so that balls roll between the first rolling way 8 and the second rolling way 9 in a circulating manner, in some preferred modes, two reverse cavities are arranged in the reversers 12, and the balls in the first rolling way 8 and the second rolling way 9 are circulated through the two reverse cavities respectively.

The linear guide strip 4 is positioned below the second roller path 9, the upper part of the guide rail 1 is used for being matched and connected with the sliding block, and the middle lower part of the guide rail 1 is not connected with the sliding block 2, so that a certain torsion force is provided for the sliding block 2 by arranging the linear guide groove 5 at the middle lower part of the guide rail 1, the structure is reasonable, and the height of the guide rail is not required to be increased.

The ratio of the distance between the linear guide strip 4 and the second roller path 9 to the distance between the first roller path 8 and the second roller path 9 is 1:1.5-1.6, and the size of the sliding block 2 is reduced as much as possible on the premise of ensuring the strength of the guide strip 4, so that the linear guide rail pair can be used in narrow installation spaces of different devices.

Example two

The linear guide strip 4 is uniformly dug along the length direction of the guide rail 1 and is provided with a ball hole 13, the rolling piece 6 is arranged in the ball hole 13, the rolling piece 7 is spherical, the spherical rolling piece 7 provides torsion resistance for the sliding block 2, and the stability of the sliding block 2 is improved.

The rest of the structure is consistent with the embodiment.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a high moment of torsion rolling linear guide is vice, including guide rail (1) and slider (2), slider (2) slidable mounting is on guide rail (1), a serial communication port, be equipped with first recess (3) in slider (2), the symmetry is equipped with sharp gib block (4) on the lateral wall of first recess (3), it is corresponding, be equipped with sharp guide slot (5) on the lateral wall of guide rail (1), install in sharp guide slot (5) sharp gib block (4), be equipped with rolling member (6) between sharp gib block (4) and sharp guide slot (5).

2. A high torque rolling linear guide rail pair according to claim 1, characterized in that the linear guide bar (4) is uniformly dug with rolling grooves (7) along the length direction of the guide rail (1), and the rolling members (6) are installed in the rolling grooves (7).

3. A high torque rolling linear guide pair according to claim 2, characterized in that the rolling member (6) is cylindrical and the side wall of the rolling member (6) is arc-shaped.

4. A high torque rolling linear guide rail pair according to claim 1, characterized in that the linear guide bar (4) is uniformly dug with ball holes (13) along the length direction of the guide rail (1), and the rolling members (6) are installed in the ball holes (13).

5. A high torque rolling linear guide pair according to claim 4, characterized in that the rolling members (6) are spherical.

6. A high torque rolling linear guide pair according to claim 1, characterized in that the ratio of the diameter of the rolling element (6) to the width of the linear guide groove (5) is 1.01: 1.

7. A high torque rolling linear guide rail pair according to claim 1, characterized in that a first raceway (8) and a second raceway (9) are provided in the first groove (3), a third raceway (10) and a fourth raceway (11) corresponding to the first raceway (8) and the second raceway (9) are provided on the guide rail (1), a ball mounting cavity is formed between the first raceway (8) and the third raceway (10), and similarly, a ball mounting cavity is formed between the second raceway (9) and the fourth raceway (11).

8. A high-torque rolling linear guide pair according to claim 7, characterized in that reversers (12) are fixedly mounted at both ends of the slide (2), and the reversers are connected with the first raceway (8) and the second raceway (9) to form a ball circulation channel.

9. A high torque rolling linear guide pair according to claim 7, characterized in that the linear guide strip (4) is located below the second raceway (9).

10. A high torque rolling linear guide pair according to claim 1, characterized in that the ratio of the distance between the linear guide strip (4) and the second raceway (9) to the distance between the first raceway (8) and the second raceway (9) is 1: 1.5-1.6.