CN112879426B

CN112879426B - Slider lock suitable for straight line slip table

Info

Publication number: CN112879426B
Application number: CN202110028205.0A
Authority: CN
Inventors: 李鹏
Original assignee: Hubei Tianyi Intelligent Technology Co ltd
Current assignee: Hubei Tianyi Intelligent Technology Co ltd
Priority date: 2021-01-10
Filing date: 2021-01-10
Publication date: 2022-07-15
Anticipated expiration: 2041-01-10
Also published as: CN112879426A

Abstract

The invention belongs to the technical field of linear guide rails, and particularly relates to a sliding block lock suitable for a linear sliding table, which comprises a base plate, wherein guide rails are symmetrically arranged on two sides of the top end of the base plate; the locking assembly comprises a supporting plate connected with the sliding plate through a bolt, a limiting mechanism is arranged in the middle of the top end of the supporting plate, a driving mechanism is connected to one side of the limiting mechanism, the driving mechanism is in sliding connection with the limiting mechanism, and a lock cylinder mechanism is arranged on one side, close to the rack, of the limiting mechanism; the impact of the moving inertia of the sliding table on the sliding table lock cylinder is weakened, the buffering effect can be achieved, and the service life of the sliding table lock cylinder can be prolonged to a certain extent.

Description

Slider lock suitable for sharp slip table

Technical Field

The invention belongs to the technical field of linear guide rails, and particularly relates to a sliding block lock suitable for a linear sliding table.

Background

Linear guides (linear slider) also become linear slides and can be generally classified 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 linear sliding table may be classified into a sliding friction guide, a rolling friction guide, an elastic friction guide, a fluid friction guide, and the like, depending on the frictional property. At present, when the existing linear sliding table is used, because the initial moving speed of the linear sliding table is high, the linear sliding table generally stops instantaneously when moving to a certain position, a traditional sliding table lock forces the sliding table to stop moving by using a mode of increasing the friction force between the sliding table and a guide rail instantaneously, and under the action of self weight and inertia of the sliding table, the damage to a lock cylinder of the sliding table lock is high.

In order to solve the problem, the application provides a slider lock suitable for sharp slip table.

Disclosure of Invention

To solve the problems raised in the background art described above. The invention provides a sliding block lock suitable for a linear sliding table, which has the characteristic of prolonging the service life of a lock cylinder of the linear sliding table.

In order to achieve the purpose, the invention provides the following technical scheme: a sliding block lock suitable for a linear sliding table comprises a base plate, guide rails are symmetrically arranged on two sides of the top end of the base plate, a sliding plate is connected on the guide rails in a sliding mode, a locking assembly is arranged between the bottom end of the sliding plate and the base plate, the bottom end of the locking assembly is connected with the base plate in a sliding mode through a buffering mechanism, the locking assembly is fixedly connected with the sliding plate through bolts, and a rack is arranged on one side, close to the locking assembly, of the guide rails; the locking assembly comprises a supporting plate connected with the sliding plate through a bolt, a limiting mechanism is arranged in the middle of the top end of the supporting plate, a driving mechanism is connected to one side of the limiting mechanism, the driving mechanism is in sliding connection with the limiting mechanism, and a lock cylinder mechanism is arranged on one side, close to the rack, of the limiting mechanism.

Preferably, the middle position of the top end of the base plate is provided with a notch, the side wall of the notch is symmetrically provided with limit grooves, and the buffer mechanism is in sliding connection with the notch.

As the preferable mode of the slider lock applicable to the linear sliding table, the limiting mechanism comprises clamping plates symmetrically arranged at the top end of the supporting plate, and a moving plate is arranged between the two clamping plates.

Preferably, the moving plate is provided with a U-shaped through hole, and an included angle between the U-shaped through hole and a middle line of the supporting plate is forty-five degrees.

Preferably, the driving mechanism comprises a first fixing seat arranged at the top end of the supporting plate, the driving mechanism further comprises a second fixing seat arranged at the top end of the clamping plate, a stroke cylinder is arranged between the first fixing seat and the second fixing seat, a connecting block is arranged at the tail end of a piston rod of the stroke cylinder, a connecting shaft is arranged at the bottom end of the connecting block, the connecting shaft penetrates through the U-shaped through hole and is in sliding connection with the U-shaped through hole, and the buffering mechanism is arranged at the bottom end of the connecting shaft.

The lock cylinder mechanism comprises a first limiting block arranged at the top end of the supporting plate, a second limiting block is arranged on one side of the first limiting block, a stepped shaft is arranged on the inner side of the first limiting block, the stepped shaft penetrates through the second limiting block and extends to the outside of the second limiting block, one end of the stepped shaft is fixedly connected with the end face of the moving plate, a lock head is arranged at one end, far away from the moving plate, of the stepped shaft, and a plurality of teeth are arranged on one side, far away from the stepped shaft, of the lock head.

Preferably, a compression spring is arranged on one side of the second limiting block and positioned on the outer circle of the stepped shaft, one end of the compression spring is fixedly connected with the end face of the second limiting block, and the other end of the compression spring is fixedly connected with the end face of the lock head.

As an optimization of the slider lock suitable for the linear sliding table, a first circular through hole is formed in the first limiting block, a second circular through hole is formed in the second limiting block, limiting grooves are symmetrically formed in the side walls of the second circular through holes, and the limiting grooves are matched with limiting strips on the outer circle of the stepped shaft.

The buffering mechanism comprises an installation block arranged at the bottom end of the connecting shaft, a transmission rod is arranged on one side of the installation block, the buffering mechanism further comprises a shell arranged in the notch, connecting plates are symmetrically connected to two sides of one end, located inside the shell, of the transmission rod through rotating shafts, damping blocks are connected to one ends, away from the transmission rod, of the connecting plates through the rotating shafts, limiting sleeve plates are arranged on two sides of the damping blocks, the limiting sleeve plates are connected with the inner side wall of the shell in a sliding mode through screws, and extension springs are arranged between the limiting sleeve plates and the inner side wall of the shell and located on the excircle of the screws.

Preferably, the damping block penetrates through the shell and is in sliding connection with the shell, and limiting plates are symmetrically arranged on the outer circle of the shell and on two sides of the damping block.

Compared with the prior art, the invention has the beneficial effects that: the driving mechanism drives the limiting mechanism to drive the lock cylinder mechanism to be in contact with the rack, so that the locking of the sliding table can be realized quickly, the friction force between the sliding plate and the guide rail is increased by matching the buffer mechanism with the notch, the impact of the moving inertia of the sliding table on the sliding table lock cylinder is weakened when the sliding table lock is started, the buffer effect can be achieved, and the service life of the sliding table lock cylinder can be prolonged to a certain extent.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the latch assembly of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at C;

FIG. 5 is a schematic view of a damper mechanism according to the present invention;

FIG. 6 is a schematic view of a substrate according to the present invention;

FIG. 7 is a schematic view of the assembly of the support plate and the clamping plate of the present invention;

FIG. 8 is a schematic view of the structure of the moving plate according to the present invention;

FIG. 9 is a schematic view of a stepped shaft according to the present invention;

in the figure: 1. a substrate; 101. a notch; 102. a limiting groove; 2. a guide rail; 3. a sliding plate; 4. a locking assembly; 5. a buffer mechanism; 501. mounting a block; 502. a transmission rod; 503. a housing; 504. a connecting plate; 505. a damping block; 506. a limiting sleeve plate; 507. a screw; 508. an extension spring; 509. a limiting plate; 6. a rack; 7. a support plate; 8. a limiting mechanism; 801. clamping a plate; 802. moving the plate; 803. a U-shaped through hole; 9. a drive mechanism; 901. a first fixed seat; 902. a second fixed seat; 903. a stroke cylinder; 904. connecting blocks; 905. a connecting shaft; 10. a lock cylinder mechanism; 11. a first limiting block; 12. A second limiting block; 13. a stepped shaft; 14. a lock head; 15. teeth; 16. a compression spring; 17. a first circular through hole; 18. a second circular through hole; 19. a limiting groove.

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.

Example 1

As shown in fig. 1 to 9, a slider lock suitable for a linear sliding table includes a base plate 1, guide rails 2 are symmetrically disposed on two sides of the top end of the base plate 1, a sliding plate 3 is slidably connected to the guide rails 2, a locking assembly 4 is disposed between the bottom end of the sliding plate 3 and the base plate 1, the bottom end of the locking assembly 4 is slidably connected to the base plate 1 through a buffer mechanism 5, the locking assembly 4 is fixedly connected to the sliding plate 3 through a bolt, and a rack 6 is disposed on one side of the guide rail 2 close to the locking assembly 4; the locking assembly 4 comprises a supporting plate 7 connected with the sliding plate 3 through a bolt, a limiting mechanism 8 is arranged in the middle of the top end of the supporting plate 7, a driving mechanism 9 is connected to one side of the limiting mechanism 8, the driving mechanism 9 is in sliding connection with the limiting mechanism 8, and a lock cylinder mechanism 10 is arranged on one side, close to the rack 6, of the limiting mechanism 8.

Drive stop gear 8 through actuating mechanism 9 and drive lock core mechanism 10 and contact with rack 6, can realize the locking of slip table fast, cooperate with notch 101 through buffer gear 5, increased the frictional force between sliding plate 3 and the guide rail 2, weakened the impact of the mobile inertia of slip table to slip table lock core when the slip table lock starts, can play the effect of buffering simultaneously, can prolong the life of slip table lock core to a certain extent.

In an optional embodiment, a notch 101 is formed in the middle of the top end of the substrate 1, a limiting groove 102 is symmetrically formed in the side wall of the notch 101, and the buffer mechanism 5 is slidably connected to the notch 101.

In this embodiment: the limiting plate 509 is matched with the limiting groove 102, so that the degree of freedom of the buffer mechanism 5 is limited, the buffer mechanism can only move in a square mode along the length of the notch 101, and the buffer mechanism 5 can work effectively.

In an optional embodiment, the limiting mechanism 8 includes clamping plates 801 symmetrically disposed at the top end of the supporting plate 7, a moving plate 802 is disposed between the two clamping plates 801, a U-shaped through hole 803 is disposed on the moving plate 802, and an included angle between the U-shaped through hole 803 and a centerline of the supporting plate 7 is forty-five degrees.

In this embodiment: through the sliding fit between the connecting shaft 905 and the U-shaped through hole 803, the connecting shaft 905 drives the moving plate 802 to move along the clamping grooves on the clamping plates 801, and the two clamping plates 801 limit the stroke of the connecting shaft 905, the limit stroke of the connecting shaft 905 is the distance between the two clamping plates 801, that is, the stroke of the mounting block 501 driving the transmission rod 502 is the distance between the two clamping plates 801; when the connecting shaft 905 drives the moving plate 802 to move, the moving stroke of the moving plate 802 is 1.414 times of the distance between the two clamping plates 801, and thus the driving rod 502 can drive the connecting plate 504 to drive the damping block 505 to extend out of the housing 503 for a certain distance.

In an optional embodiment, the driving mechanism 9 includes a first fixing seat 901 disposed at the top end of the supporting plate 7, the driving mechanism 9 further includes a second fixing seat 902 disposed at the top end of the clamping plate 801, a stroke cylinder 903 is disposed between the first fixing seat 901 and the second fixing seat 902, a connecting block 904 is disposed at a piston rod end of the stroke cylinder 903, a connecting shaft 905 is disposed at a bottom end of the connecting block 904, the connecting shaft 905 penetrates through the U-shaped through hole 803 and is slidably connected with the U-shaped through hole 803, and the buffering mechanism 5 is disposed at a bottom end of the connecting shaft 905.

In this embodiment: the stroke control cylinder 903 is started, the stroke cylinder 903 drives the connecting block 904 to drive the connecting shaft 905 to move, and meanwhile, the connecting shaft 905 is in sliding fit with the U-shaped through hole 803, so that the connecting shaft 905 drives the moving plate 802 to move along the clamping groove in the clamping plate 801.

In an optional embodiment, the lock cylinder mechanism 10 includes a first limit block 11 disposed on the top end of the support plate 7, a second limit block 12 is disposed on one side of the first limit block 11, a stepped shaft 13 is disposed on the inner side of the first limit block 11, the stepped shaft 13 penetrates through the second limit block 12 and extends to the outside of the second limit block 12, one end of the stepped shaft 13 is fixedly connected to the end surface of the moving plate 802, a lock head 14 is disposed on one end of the stepped shaft 13 far away from the moving plate 802, a plurality of teeth 15 are disposed on one side of the lock head 14 far away from the stepped shaft 13, a compression spring 16 is disposed on one side of the second limit block 12 and on the outer circle of the stepped shaft 13, one end of the compression spring 16 is fixedly connected to the end surface of the second limit block 12, the other end of the compression spring is fixedly connected to the end surface of the lock head 14, and a circular through hole 17 is disposed on the first limit block 11, a second circular through hole 18 is formed in the second limiting block 12, limiting grooves 19 are symmetrically formed in the side walls of the second circular through hole 18, and the limiting grooves 19 are matched with limiting strips on the outer circle of the stepped shaft 13.

In this embodiment: the connecting shaft 905 drives the moving plate 802 to move along the clamping groove in the clamping plate 801, the stepped shaft 13 is driven to move under the guiding action of the first limiting block 11 and the second limiting block 12, the stepped shaft 13 drives the lock head 14 to gradually move towards the rack 6 until the teeth 15 are meshed with the rack 6, locking of the linear sliding table is achieved, the lock head 14 stretches the compression spring 16 while moving, energy is stored in the compression spring, and therefore the lock head 14 is separated from the rack 6 when the stroke cylinder 903 is reset conveniently, and the unlocking purpose is achieved.

In an alternative embodiment, the buffer mechanism 5 comprises a mounting block 501 arranged at the bottom end of the connecting shaft 905, one side of the mounting block 501 is provided with a transmission rod 502, the buffer mechanism 5 further comprises a housing 503 arranged in the notch 101, and the two sides of one end of the transmission rod 502 positioned in the housing 503 are symmetrically connected with connecting plates 504 through rotating shafts, the ends of the connecting plates 504 facing away from the transmission rod 502 are connected with damping blocks 505 through rotating shafts, two sides of the damping block 505 are provided with a limit sleeve plate 506, the limit sleeve plate 506 is connected with the inner side wall of the shell 503 in a sliding way through a screw 507, an extension spring 508 is arranged between the limit sleeve plate 506 and the inner side wall of the shell 503 and positioned on the excircle of the screw 507, the damping block 505 penetrates the housing 503 and is slidably connected with the housing 503, limiting plates 509 are symmetrically arranged on the outer circle of the shell 503 and positioned on two sides of the damping block 505.

In this embodiment: the connecting shaft 905 drives the mounting block 501 to drive the transmission rod 502 to move, the transmission rod 502 drives the connecting plate 504 to move through the rotating shaft, so that the connecting plate 504 rotates around the rotating shaft on the damping block 505, and simultaneously the damping block 505 is driven to extend out of the shell 503 under the guidance of the limiting sleeve plate 506 and the screw 507 and contacts with the side wall of the notch 101 first, thereby increasing the friction force between the sliding plate 3 and the guide rail 2, and weakening the impact of the moving inertia of the sliding table on the lock cylinder of the sliding table lock when the sliding table lock is started.

The working principle and the using process of the invention are as follows: in practical use, the power of the stroke cylinder 903 is from compressed air provided by an air compressor matched with the stroke cylinder 903, when the sliding plate 3 slides along the guide rail 2, the sliding plate 3 is stopped at a specified position under the control of the linear controller, at that time, the linear control ball control stroke cylinder 903 is started, the stroke cylinder 903 drives the connecting block 904 to drive the connecting shaft 905 to move, meanwhile, as the connecting shaft 905 is in sliding fit with the U-shaped through hole 803, the connecting shaft 905 drives the moving plate 802 to move along the clamping groove on the clamping plate 801, the stepped shaft 13 is driven to move under the guiding action of the first limiting block 11 and the second limiting block 12, the stepped shaft 13 drives the lock head 14 to gradually move towards the rack 6 until the teeth 15 are meshed with the rack 6, so as to realize the locking of the linear sliding table, the lock head 14 stretches the compression spring 16 while moving, so as to store energy for the compression spring to facilitate the resetting of the stroke cylinder 903, the lock head 14 and the rack 6 are separated to achieve the purpose of unlocking, in addition, the stroke cylinder 903 drives the connecting block 904 to drive the connecting shaft 905 to move, the connecting shaft 905 drives the mounting block 501 to drive the transmission rod 502 to move, the transmission rod 502 drives the connecting plate 504 to move through the rotating shaft, the connecting plate 504 rotates around the rotating shaft on the damping block 505, the damping block 505 is driven to extend out of the shell 503 under the guidance of the limiting sleeve plate 506 and the screw 507, the damping block contacts with the side wall of the notch 101 first, and then the friction force between the sliding plate 3 and the guide rail 2 is increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a slider lock suitable for sharp slip table which characterized in that: the device comprises a base plate (1), guide rails (2) are symmetrically arranged on two sides of the top end of the base plate (1), a sliding plate (3) is connected onto the guide rails (2) in a sliding mode, a locking assembly (4) is arranged between the bottom end of the sliding plate (3) and the base plate (1), the bottom end of the locking assembly (4) is connected with the base plate (1) in a sliding mode through a buffering mechanism (5), the locking assembly (4) is fixedly connected with the sliding plate (3) through bolts, and a rack (6) is arranged on one side, close to the locking assembly (4), of the guide rails (2);

the locking assembly (4) comprises a supporting plate (7) connected with the sliding plate (3) through a bolt, a limiting mechanism (8) is arranged in the middle of the top end of the supporting plate (7), a driving mechanism (9) is connected to one side of the limiting mechanism (8), the driving mechanism (9) is in sliding connection with the limiting mechanism (8), and a lock cylinder mechanism (10) is arranged on one side, close to the rack (6), of the limiting mechanism (8);

a notch (101) is formed in the middle of the top end of the substrate (1), limiting grooves (102) are symmetrically formed in the side wall of the notch (101), and the buffer mechanism (5) is connected with the notch (101) in a sliding mode;

the limiting mechanism (8) comprises clamping plates (801) symmetrically arranged at the top ends of the supporting plates (7), and a moving plate (802) is arranged between the two clamping plates (801);

the movable plate (802) is provided with a U-shaped through hole (803), and an included angle between the U-shaped through hole (803) and the middle line of the support plate (7) is forty-five degrees;

the driving mechanism (9) comprises a first fixed seat (901) arranged at the top end of the supporting plate (7), the driving mechanism (9) further comprises a second fixed seat (902) arranged at the top end of the clamping plate (801), a stroke cylinder (903) is arranged between the first fixed seat (901) and the second fixed seat (902), a connecting block (904) is arranged at the tail end of a piston rod of the stroke cylinder (903), a connecting shaft (905) is arranged at the bottom end of the connecting block (904), the connecting shaft (905) penetrates through the U-shaped through hole (803) and is in sliding connection with the U-shaped through hole (803), and the buffering mechanism (5) is arranged at the bottom end of the connecting shaft (905);

the lock cylinder mechanism (10) comprises a first limiting block (11) arranged at the top end of the supporting plate (7), a second limiting block (12) is arranged on one side of the first limiting block (11), a stepped shaft (13) is arranged on the inner side of the first limiting block (11), the stepped shaft (13) penetrates through the second limiting block (12) and extends to the outside of the second limiting block (12), one end of the stepped shaft (13) is fixedly connected with the end face of the moving plate (802), a locking head (14) is arranged at one end, far away from the moving plate (802), of the stepped shaft (13), and a plurality of teeth (15) are arranged on one side, far away from the stepped shaft (13), of the locking head (14);

a compression spring (16) is arranged on one side of the second limiting block (12) and on the outer circle of the stepped shaft (13), one end of the compression spring (16) is fixedly connected with the end face of the second limiting block (12), and the other end of the compression spring is fixedly connected with the end face of the lock head (14);

a first circular through hole (17) is formed in the first limiting block (11), a second circular through hole (18) is formed in the second limiting block (12), limiting grooves (19) are symmetrically formed in the side walls of the second circular through holes (18), and the limiting grooves (19) are matched with limiting strips on the outer circle of the stepped shaft (13);

the buffer mechanism (5) comprises a mounting block (501) arranged at the bottom end of the connecting shaft (905), a transmission rod (502) is arranged at one side of the mounting block (501), the buffer mechanism (5) also comprises a shell (503) arranged in the notch (101), and the two sides of one end of the transmission rod (502) positioned in the shell (503) are symmetrically connected with connecting plates (504) through rotating shafts, one end of the connecting plate (504) departing from the transmission rod (502) is connected with a damping block (505) through a rotating shaft, two sides of the damping block (505) are provided with a limit sleeve plate (506), the limit sleeve plate (506) is connected with the inner side wall of the shell (503) in a sliding way through a screw rod (507), and an extension spring (508) is arranged between the limiting sleeve plate (506) and the inner side wall of the shell (503) and positioned on the excircle of the screw (507).

2. The slider lock applicable to a linear sliding table according to claim 1, wherein: damping piece (505) run through casing (503) and with casing (503) sliding connection, the excircle of casing (503) just is located the bilateral symmetry of damping piece (505) is provided with limiting plate (509).