CN215720223U

CN215720223U - Linear guide rail pair with self-locking structure

Info

Publication number: CN215720223U
Application number: CN202122244737.6U
Authority: CN
Inventors: 胡金华
Original assignee: Lishui Yuxuan Automation Manufacturing Co ltd
Current assignee: Lishui Yuxuan Automation Manufacturing Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-01
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of linear guide rail pairs and discloses a linear guide rail pair with a self-locking structure, which comprises a sliding table, wherein the inner wall of the back surface of the sliding table is fixedly connected with a fixed block, the front surface of the fixed block is connected with a sliding block in a sliding manner, the top and the bottom of the fixed block are both fixedly connected with connecting blocks, and the left sides of the two connecting blocks are both fixedly connected with telescopic springs. This linear guide with auto-lock structure is vice, promote the L shaped plate right through the slider, it moves right to drive the pinion rack, make with pinion rack back mesh's gear revolve, make two-way screw rod rotate, make the L shaped block relative movement on two-way screw rod both ends surface, the top and the bottom that make the slider contact with the inner wall of both sides about two L shaped blocks respectively, and promote the slider left through two expanding spring's elasticity, the left side that makes the slider contacts with the left inner wall of two L shaped blocks respectively, thereby make the slider auto-lock, the auto-lock mode of friction locking has been replaced, and then prevent guide rail slider surface wear.

Description

Linear guide rail pair with self-locking structure

Technical Field

The utility model relates to the technical field of linear guide rail pairs, in particular to a linear guide rail pair with a self-locking structure.

Background

The guide rail pair is one of important parts of the numerical control machine tool and is mainly used for supporting and guiding a moving part to move along a certain track. The existing linear guide rail secondary locking device usually connects a running object with a slide rail to generate larger friction force, so that the aim of locking is achieved, but the locking mode easily damages the friction surface of the guide rail, so that the service life of a sliding block and the slide rail is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a linear guide rail pair with a self-locking structure, which has the advantages of good locking effect, wear resistance, convenience in use and the like, and solves the problem that the friction surface of a guide rail is easily damaged by a friction locking mode, so that the service lives of a sliding block and a sliding rail are influenced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a linear guide rail pair with a self-locking structure comprises a sliding table, wherein a fixed block is fixedly connected with the inner wall of the back surface of the sliding table, the front surface of the fixed block is connected with a sliding block in a sliding way, the top and the bottom of the fixed block are both fixedly connected with connecting blocks, the left sides of the two connecting blocks are both fixedly connected with telescopic springs, the left ends of the two telescopic springs are fixedly connected with L-shaped plates, the right side of the sliding block is movably connected with the left side of the L-shaped plate, the inside of the fixed block is rotatably connected with a gear, a toothed plate is fixedly mounted on the back surface of the L-shaped plate, the back surface of the toothed plate is meshed with the side surface of the gear, the inside of the gear is fixedly connected with a bidirectional screw rod, the top end and the bottom of the bidirectional screw rod are respectively and rotationally connected with the inner walls of the upper side and the lower side of the sliding table, the upper end and the lower end of the bidirectional screw rod are both in threaded connection with L-shaped blocks, and the top and the bottom of the sliding block are respectively movably connected with the interiors of the two L-shaped blocks.

Preferably, a U-shaped groove is formed in the left side of the back face of the L-shaped plate, the fixed block is connected with the U-shaped groove in a sliding mode, the front face of the fixed block slides in the U-shaped groove in the back face of the L-shaped plate, the L-shaped plate can move left and right conveniently, and therefore self-locking operation of the sliding block is facilitated.

Preferably, a rotating groove is formed in the right side of the front face of the fixing block, the gear is rotatably connected with the inside of the rotating groove, the gear rotates in the rotating groove in the right side of the front face of the fixing block, the two-way screw is driven to rotate, and L-shaped blocks at two ends of the two-way screw move oppositely or back to back, so that self-locking and unlocking operations of the sliding block are facilitated.

Preferably, the movable block is fixedly connected to the left side of the front face of the toothed plate, the transverse groove is formed in the back face of the L-shaped plate, the left side of the movable block abuts against the inner wall of the left side of the transverse groove, the movable block is in sliding connection with the inner portion of the transverse groove, the left side of the movable block is in contact with the inner wall of the left side of the transverse groove, the toothed plate can be driven to move rightwards when the L-shaped plate moves rightwards, and the toothed plate cannot be driven to move leftwards when the L-shaped plate moves leftwards, so that the sliding block is convenient to self-lock.

Preferably, the inner wall fixedly connected with telescopic link on slip table right side, the left end of telescopic link and the right side fixed connection of pinion rack, the telescopic link can strengthen the stability of pinion rack after moving to the right, makes the auto-lock and the unblock operation of slider more stable.

Preferably, the holding tank has all been seted up to the interior roof of slip table and interior diapire, two the L-shaped piece respectively with the inside swing joint of two holding tanks, when two L-shaped pieces carried on the back mutually and moved into two holding tanks in, make the slider accomplish the unblock, the motion of the slider of being convenient for in the slip table.

Compared with the prior art, the utility model provides a linear guide rail pair with a self-locking structure, which has the following beneficial effects:

1. this linear guide is vice with auto-lock structure, through setting up expanding spring, the L shaped plate, the gear, two-way screw rod and L-shaped piece, when the slider moves to the right between two L-shaped pieces, the slider promotes the L shaped plate right, make two expanding spring compressed, make and drive the pinion rack and move right, make the gear revolve with pinion rack back mesh, the two-way screw rod that drives the inside fixed connection of gear rotates, make the L-shaped piece relative movement on two-way screw rod both ends surface, make the top and the bottom of slider respectively with the inner wall contact of both sides about two L-shaped pieces, and promote the slider left through two expanding spring's elasticity, make left top and bottom of slider respectively with the left inner wall contact of two L-shaped pieces, thereby make the slider auto-lock in the slip table, the auto-lock mode of friction locking has been replaced, and then prevent guide rail slider surface wear.

2. This linear guide with auto-lock structure is vice, through setting up pinion rack, movable block and transverse groove, when two expanding spring's elasticity promoted the L shaped plate and moved left, the pinion rack at the L shaped plate back can not move left, can prevent that the pinion rack from moving left and making the gear reversal, can not automatic re-setting after making two L-shaped piece relative movement, the auto-lock operation of the slider of being convenient for, through manual pinion rack that moves left, make gear and two-way screw rod reversal, make two L-shaped pieces pull open back mutually to the unblock operation of the slider of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a bottom structure of the sliding table according to the present invention;

FIG. 3 is a sectional view of the right side structure of the L-shaped plate of the present invention.

Wherein: 1. a sliding table; 2. a fixed block; 3. a slider; 4. connecting blocks; 5. a tension spring; 6. an L-shaped plate; 7. a gear; 8. a toothed plate; 9. a bidirectional screw; 10. an L-shaped block; 11. a rotating groove; 12. a moving block; 13. a transverse groove; 14. a telescopic rod; 15. and (6) accommodating the tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a linear guide rail pair with a self-locking structure comprises a sliding table 1, wherein a fixed block 2 is fixedly connected to the inner wall of the back surface of the sliding table 1, a sliding block 3 is slidably connected to the front surface of the fixed block 2, connecting blocks 4 are fixedly connected to the top and the bottom of the fixed block 2, extension springs 5 are fixedly connected to the left sides of the two connecting blocks 4, an L-shaped plate 6 is fixedly connected to the left ends of the two extension springs 5, a U-shaped groove is formed in the left side of the back surface of the L-shaped plate 6, the fixed block 2 is slidably connected to the inside of the U-shaped groove, the front surface of the fixed block 2 slides in the U-shaped groove in the back surface of the L-shaped plate 6, so that the L-shaped plate 6 can move left and right, thereby facilitating the self-locking operation of the sliding block 3, the right side of the sliding block 3 is movably connected to the left side of the L-shaped plate 6, a gear 7 is rotatably connected to the inside of the fixed block 2, a rotating groove 11 is formed in the right side of the front surface of the fixed block 2, the gear 7 is rotatably connected with the inside of the rotating groove 11, the gear 7 rotates in the rotating groove 11 on the right side of the front face of the fixed block 2 to drive the bidirectional screw 9 to rotate, L-shaped blocks 10 at two ends of the bidirectional screw 9 move oppositely or oppositely, so that self-locking and unlocking operations of the sliding block 3 are facilitated, the toothed plate 8 is fixedly installed on the back face of the L-shaped plate 6, the movable block 12 is fixedly connected with the left side of the front face of the toothed plate 8, the transverse groove 13 is formed in the back face of the L-shaped plate 6, the left side of the movable block 12 abuts against the inner wall of the left side of the transverse groove 13, the movable block 12 is slidably connected with the inside of the transverse groove 13, the toothed plate 8, the movable block 12 and the transverse groove 13 are arranged, when the L-shaped plate 6 is pushed to move leftwards by the elastic force of the two telescopic springs 5, the toothed plate 8 on the back face of the L-shaped plate 6 cannot move leftwards, the gear 7 can be prevented from rotating leftwards due to the fact that the two L-shaped blocks 10 cannot automatically reset after moving oppositely, the auto-lock operation of slider 3 of being convenient for to through manual removal pinion rack 8 left, make gear 7 and two-way screw rod 9 reversal, make two L-shaped blocks 10 pull open mutually away, thereby the unblock operation of slider 3 of being convenient for, the inner wall fixedly connected with telescopic link 14 on slip table 1 right side, the left end of telescopic link 14 and the right side fixed connection of pinion rack 8, telescopic link 14 can strengthen the stability after pinion rack 8 moves to the right side, make the auto-lock of slider 3 and unblock operation more stable.

The back of a toothed plate 8 is meshed with the side surface of a gear 7, a bidirectional screw 9 is fixedly connected inside the gear 7, the top end and the bottom of the bidirectional screw 9 are respectively rotatably connected with the inner walls of the upper side and the lower side of a sliding table 1, the upper end and the lower end of the bidirectional screw 9 are both in threaded connection with L-shaped blocks 10, the inner top wall and the inner bottom wall of the sliding table 1 are both provided with accommodating grooves 15, the two L-shaped blocks 10 are respectively and movably connected with the insides of the two accommodating grooves 15, when the two L-shaped blocks 10 are oppositely moved into the two accommodating grooves 15, a sliding block 3 is unlocked, the sliding block 3 is convenient to move in the sliding table 1, the top and the bottom of the sliding block 3 are respectively and movably connected with the insides of the two L-shaped blocks 10, a telescopic spring 5, an L-shaped plate 6, the gear 7, the bidirectional screw 9 and the L-shaped blocks 10 are arranged, when the sliding block 3 moves rightwards to between the two L-shaped blocks 10, the L-shaped plate 6 is pushed rightwards by the sliding block 3 to be compressed, the messenger drives pinion rack 8 and moves right, make telescopic link 14 retract right, make the gear 7 with 8 back mesh of pinion rack rotate, drive the two-way screw rod 9 of the inside fixed connection of gear 7 and rotate, make the L-shaped piece 10 relative movement on two-way screw rod 9 both ends surface, make the top and the bottom of slider 3 respectively with the inner wall contact of two upper and lower both sides of L-shaped piece 10, then the elasticity of two expanding spring 5 promotes slider 3 left, make the left top of slider 3 and bottom respectively with the left inner wall contact of two L-shaped pieces 10, thereby make the 3 auto-locks of slider in the slip table 1, the auto-lock mode of friction locking has been replaced, and then 3 surface wear of guide rail slider are prevented.

When the sliding block 3 moves rightwards to a position between the two L-shaped blocks 10 in use, the sliding block 3 pushes the L-shaped block 6 rightwards to enable the two telescopic springs 5 to be compressed, the toothed plate 8 is driven to move rightwards, the telescopic rod 14 retracts rightwards to enable the gear 7 meshed with the back of the toothed plate 8 to rotate, the bidirectional screw 9 fixedly connected with the inside of the gear 7 is driven to rotate, the L-shaped blocks 10 on the surfaces of the two ends of the bidirectional screw 9 move relatively, the top and the bottom of the sliding block 3 are respectively contacted with the inner walls of the upper side and the lower side of the two L-shaped blocks 10, then the elastic force of the two telescopic springs 5 pushes the sliding block 3 leftwards to enable the top and the bottom of the left side of the sliding block 3 to be respectively contacted with the inner walls of the left sides of the two L-shaped blocks 10, so that the sliding block 3 in the sliding table 1 is self-locked, when the elastic force of the two telescopic springs 5 pushes the L-shaped block 6 leftwards to move, the toothed plate 8 on the back of the L-shaped block 6 cannot move leftwards, and the toothed plate 8 can be prevented from moving leftwards to enable the gear 7 from reversing, make two L-shaped blocks 10 can not automatic re-setting after the relative movement, the auto-lock operation of the slider 3 of being convenient for, and through manual removal pinion rack 8 left, make gear 7 and two-way screw rod 9 reversal, make two L-shaped blocks 10 pull open back on the back, make the slider 3 locking in the slip table 1 relieve, this linear guide with auto-lock structure is vice, replaced the auto-lock mode of friction locking, can prevent 3 surface wear of guide rail slider, and the auto-lock effect of slider 3 is better, the vice auto-lock of linear guide of being convenient for is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a linear guide is vice with from keying structure, includes slip table (1), its characterized in that: the inner wall of the back of the sliding table (1) is fixedly connected with a fixed block (2), the front of the fixed block (2) is connected with a sliding block (3) in a sliding manner, the top and the bottom of the fixed block (2) are fixedly connected with connecting blocks (4), the left sides of the two connecting blocks (4) are fixedly connected with telescopic springs (5), the left ends of the two telescopic springs (5) are fixedly connected with an L-shaped plate (6), the right side of the sliding block (3) is movably connected with the left side of the L-shaped plate (6), the inside of the fixed block (2) is rotatably connected with a gear (7), the back of the L-shaped plate (6) is fixedly provided with a toothed plate (8), the back of the toothed plate (8) is meshed with the side surface of the gear (7), the inside of the gear (7) is fixedly connected with a bidirectional screw (9), the top end and the bottom of the bidirectional screw (9) are respectively rotatably connected with the inner walls of the upper side and the lower side of the sliding table (1), the upper end and the lower end of the bidirectional screw (9) are both in threaded connection with L-shaped blocks (10), and the top and the bottom of the sliding block (3) are respectively movably connected with the interiors of the two L-shaped blocks (10).

2. The linear guide rail pair with the self-locking structure as claimed in claim 1, wherein: the left side at the back of the L-shaped plate (6) is provided with a U-shaped groove, and the fixing block (2) is connected with the inside of the U-shaped groove in a sliding mode.

3. The linear guide rail pair with the self-locking structure as claimed in claim 1, wherein: the right side of the front face of the fixed block (2) is provided with a rotating groove (11), and the gear (7) is rotatably connected with the inside of the rotating groove (11).

4. The linear guide rail pair with the self-locking structure as claimed in claim 1, wherein: the left side of the front face of the toothed plate (8) is fixedly connected with a moving block (12), the back face of the L-shaped plate (6) is provided with a transverse groove (13), the left side of the moving block (12) is abutted against the inner wall of the left side of the transverse groove (13), and the moving block (12) is connected with the inner portion of the transverse groove (13) in a sliding mode.

5. The linear guide rail pair with the self-locking structure as claimed in claim 1, wherein: the inner wall fixedly connected with telescopic link (14) on slip table (1) right side, the left end of telescopic link (14) and the right side fixed connection of pinion rack (8).

6. The linear guide rail pair with the self-locking structure as claimed in claim 1, wherein: holding tank (15) have all been seted up to the interior roof and the interior diapire of slip table (1), two L-shaped piece (10) respectively with the inside swing joint of two holding tanks (15).