CN217045601U

CN217045601U - Magnetic card lock device for stopping numerical control machine tool spindle

Info

Publication number: CN217045601U
Application number: CN202220928343.4U
Authority: CN
Inventors: 曹宇昊
Original assignee: Shandong Fuyiyuan Numerical Control Technology Co ltd
Current assignee: Shandong Fuyiyuan Numerical Control Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-26
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a magnetic card lock device of digit control machine tool main shaft locking, including installing in the frame with main shaft matched with magnetic card lock device body, magnetic card lock device body includes the installation cover with frame fixed mounting, fixed cover is equipped with circular cover on the main shaft, and the outside of circular cover is inlayed and is equipped with the hoop, and the installation ways is established on circular cover, and the inner wall of installation cover is inlayed and is equipped with the electromagnetism circle, the inner wall of electromagnetism circle and the outside movable contact of hoop, and the outside of circular cover is inlayed and is equipped with the stereoplasm rubber ring, has all seted up the arc wall on the top inner wall of installation cover and the bottom inner wall, and sliding sleeve is equipped with extrusion mechanism in the arc wall, one side that two extrusion mechanisms are close to each other respectively with the top and the bottom in close contact with of stereoplasm rubber ring. The utility model discloses a to the main shaft at the mode of two solid locks, improve its lock solid stability, reduce because of the great main shaft that causes of inertia continues the pivoted phenomenon, satisfies the user demand.

Description

Magnetic card lock device for stopping numerical control machine tool spindle

Technical Field

The utility model relates to a magnetic card lock equipment technical field especially relates to a magnetic card lock device of digit control machine tool spindle locking.

Background

The vertical guide rail of the full-automatic numerical control machine tool has the functions of turning, milling, boring and drilling, and is specially used for processing small-sized workpieces made of star-shaped materials, so that the design of a main shaft is connected with a clamp and rotates quickly, and the processing capacity of the main shaft is improved; in application, because the main shaft and the clamp have high rotation speed and large inertia, when the rotation needs to be stopped quickly, the moment is difficult to reach, a numerical control machine tool in the prior art generally adopts a servo motor to stop the numerical control main shaft, a magnetic card locking device is arranged on the outer side of the numerical control main shaft, and if the inertia effect is still rotating, the electromagnet on the magnetic card locking device is electrified to adsorb the numerical control main shaft, so that the locking of the numerical control main shaft is realized;

the existing locking mode is realized only by means of electromagnet electrification and magnetic adsorption, the locking stability is low, when the inertia is extremely large, the condition that a spindle of a numerical control machine tool rotates in a friction mode outside an electromagnet still exists, and the using requirement cannot be met, so that a magnetic locking device for locking the spindle of the numerical control machine tool is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a magnetic card lock device for locking a main shaft of a numerical control machine tool.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a magnetic card lock device for locking a main shaft of a numerical control machine tool comprises a magnetic card lock device body which is installed on a rack and matched with the main shaft, wherein the magnetic card lock device body comprises an installation sleeve fixedly installed on the rack, a circular sleeve is fixedly sleeved on the main shaft, an iron ring is embedded on the outer side of the circular sleeve, the installation sleeve is sleeved on the circular sleeve, an electromagnet ring is embedded on the inner wall of the installation sleeve, the inner wall of the electromagnet ring is movably contacted with the outer side of the iron ring, a hard rubber ring is embedded on the outer side of the circular sleeve, arc-shaped grooves are formed in the inner wall of the top part and the inner wall of the bottom part of the installation sleeve respectively, an extrusion mechanism is slidably sleeved in the arc-shaped grooves, one side, close to each other, of the two extrusion mechanisms are respectively in close contact with the top part and the bottom part of the hard rubber ring, an electric telescopic rod is embedded on the inner wall of the top part of the arc-shaped grooves positioned above the two arc-shaped grooves, and the bottom end of an output shaft of the electric telescopic rod is fixedly connected with the top part of the extrusion mechanism positioned above the two extrusion mechanisms, the top fixedly connected with synchronous driving mechanism of the extrusion mechanism who is located the top, the top of synchronous driving machine extends to the top of installation cover, the bottom fixedly connected with carriage release lever of the extrusion mechanism who is located the below, the bottom of carriage release lever extends to the below of installation cover and fixedly connected with horizontal pole, the top right side fixedly connected with movable plate of horizontal pole, the top of movable plate runs through the installation cover and extends to its top, the movable plate cover is established on the main shaft, synchronous driving mechanism inlays the dress and fixes the left side top at the movable plate.

Preferably, the extrusion mechanism includes that the slip cap establishes the arc in the arc, and the arc is close to a plurality of sharp pieces of one side fixedly connected with of stereoplasm rubber ring, the most advanced of sharp piece and the outside in close contact with of stereoplasm rubber ring, the top that is located the arc of top and electric telescopic handle's output shaft bottom fixed connection, the bottom that is located the arc of below and the top fixed connection of carriage release lever.

Preferably, the synchronous driving mechanism comprises a first rack, the bottom end of the first rack is fixedly connected with the top of the arc-shaped plate located above, the top end of the first rack penetrates through the arc-shaped groove above the first rack and extends to the upper side of the mounting sleeve, the anti-falling block is fixedly connected with the upper side of the mounting sleeve, the gear is rotatably mounted on the right side of the top of the mounting sleeve, a second rack is embedded on the top of the left side of the moving plate, and the gear is located between the first rack and the second rack and meshed with the first rack and the second rack.

Preferably, a first annular groove is formed in the side wall of the mounting sleeve, the inner wall of the first annular groove is fixedly connected with the outer side of the electromagnet ring, a second annular groove is formed in the outer side of the circular sleeve, and the inner wall of the second annular groove is fixedly connected with the outer side of the iron ring.

Preferably, one side of the moving plate is provided with a first through hole, and the spindle is located in the first through hole and is not in contact with the inner wall of the first through hole.

Preferably, the inner walls of the top and the bottom of the mounting sleeve are respectively provided with a rectangular through hole, and the inner wall of the rectangular through hole is in sliding connection with the outer side of the moving plate.

Preferably, a second through hole is formed in the inner wall of the top of the arc-shaped groove above the first through hole, and the first rack is located in the second through hole and is not in contact with the inner wall of the second through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a to the mode of main shaft at two locks, improve its lock solid stability, reduce because of the great main shaft that causes of inertia continues pivoted phenomenon, satisfies the user demand.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a magnetic card lock device for locking a spindle of a numerical control machine tool according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural view of the circular sleeve, the iron ring and the hard rubber ring connecting piece of the magnetic card locking device for the main shaft locking of the numerical control machine tool provided by the utility model;

fig. 4 is a right-side view structural schematic diagram of the arc plate of the magnetic card lock device for locking the spindle of the numerical control machine tool.

In the figure: 100. a frame; 101. a main shaft; 1. installing a sleeve; 2. an electromagnet ring; 3. a circular sleeve; 4. an iron ring; 5. an arc-shaped slot; 6. an arc-shaped plate; 7. a travel bar; 8. a cross bar; 9. moving the plate; 10. an electric telescopic rod; 11. a first rack; 12. a gear; 13. a second rack; 14. a first through hole; 15. a hard rubber ring; 16. a sharp block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a magnetic card lock device for stopping a main shaft of a numerical control machine tool comprises a magnetic card lock device body which is arranged on a frame 100 and is matched with the main shaft 101, the magnetic card lock device body comprises an installation sleeve 1 which is fixedly arranged on the frame 100, a circular sleeve 3 is fixedly sleeved on the main shaft 101, an iron ring 4 is embedded on the outer side of the circular sleeve 3, the installation sleeve 1 is sleeved on the circular sleeve 3, an electromagnet ring 2 is embedded on the inner wall of the installation sleeve 1, the inner wall of the electromagnet ring 2 is movably contacted with the outer side of the iron ring 4, a hard rubber ring 15 is embedded on the outer side of the circular sleeve 3, arc-shaped grooves 5 are respectively arranged on the inner wall of the top and the inner wall of the bottom of the installation sleeve 1, a squeezing mechanism is sleeved in the arc-shaped grooves 5 in a sliding manner, one side of the two squeezing mechanisms which are close to each other is respectively contacted with the top and the bottom of the hard rubber ring 15, an electric telescopic rod 10 is embedded on the inner wall of the top of the arc-shaped groove 5 which is positioned above the two arc-shaped grooves 5, the bottom end of an output shaft of an electric telescopic rod 10 is fixedly connected with the top of an extrusion mechanism positioned above, the top of the extrusion mechanism positioned above is fixedly connected with a synchronous driving mechanism, the top of the synchronous driving mechanism extends to the upper side of an installation sleeve 1, the bottom of the extrusion mechanism positioned below is fixedly connected with a movable rod 7, the bottom end of the movable rod 7 extends to the lower side of the installation sleeve 1 and is fixedly connected with a cross rod 8, a third through hole which is slidably sleeved with the outer side of the movable rod 7 is formed in the inner wall of the bottom of an arc-shaped groove 5 positioned below, the right side of the top of the cross rod 8 is fixedly connected with a movable plate 9, the top of the movable plate 9 extends to the upper side of the installation sleeve 1 in a penetrating mode, the movable plate 9 is sleeved on a main shaft 101, and the synchronous driving mechanism is fixedly embedded in the top of the left side of the movable plate 9;

the extrusion mechanism comprises an arc-shaped plate 6 which is sleeved in the arc-shaped groove 5 in a sliding mode, one side, close to the hard rubber ring 15, of the arc-shaped plate 6 is fixedly connected with a plurality of sharp blocks 16, the sharp ends of the sharp blocks 16 are tightly contacted with the outer side of the hard rubber ring 15, the top of the arc-shaped plate 6 located above is fixedly connected with the bottom end of an output shaft of the electric telescopic rod 10, and the bottom of the arc-shaped plate 6 located below is fixedly connected with the top end of the movable rod 7;

synchronous driving mechanism includes first rack 11, the bottom of first rack 11 and the top fixed connection who is located the arc 6 of top, the arc 5 that the top was run through to the top of first rack 11 extends to the top of installation cover 1 and fixedly connected with anticreep piece, and the top right side of installation cover 1 rotates installs gear 12, and the left side top of movable plate 9 is inlayed and is equipped with second rack 13, and gear 12 is located between first rack 11 and the second rack 13 and meshes with first rack 11 and second rack 13 mutually, the utility model discloses a to main shaft 101 at the mode of two locks, improve its lock solid stability, reduce the main shaft 101 that causes because of inertia is great and continue pivoted phenomenon, satisfy the user demand.

In the utility model, a first ring groove is arranged on the side wall of the installation sleeve 1, the inner wall of the first ring groove is fixedly connected with the outer side of the electromagnet ring 2, a second ring groove is arranged on the outer side of the circular sleeve 3, the inner wall of the second ring groove is fixedly connected with the outer side of the iron ring 4, one side of the movable plate 9 is provided with a first perforation 14, the main shaft 101 is positioned in the first perforation 14 and is not contacted with the inner wall of the first perforation 14, the inner wall of the top and the inner wall of the bottom of the installation sleeve 1 are both provided with rectangular perforations, the inner wall of the rectangular perforations is connected with the outer side of the movable plate 9 in a sliding way, the inner wall of the top arc-shaped groove 5 is provided with a second perforation, the first rack 11 is positioned in the second perforation and is not contacted with the inner wall of the second perforation, the utility model improves the locking stability of the main shaft 101 in a locking way at two places, and reduces the phenomenon that the main shaft 101 continuously rotates due to the larger inertia, the use requirement is met.

The working principle is as follows: when the spindle 101 is in a rotating state, the sharp block 16 and the hard rubber ring 15 are in a separating state, when the spindle 101 needs to be fixed, the electromagnet ring 2 is electrified to generate magnetic force to adsorb the iron ring 4, preliminary fixing of the spindle 101 is realized through the adsorption force between the electromagnet ring 2 and the iron ring 4, meanwhile, the electric telescopic rod 10 is started in a forward direction, the output shaft of the electric telescopic rod 10 drives the upper arc-shaped plate 6 to move downwards, the upper arc-shaped plate 6 drives the first rack 11 to move downwards, the first rack 11 drives the gear 12 meshed with the first rack 11 to rotate, the gear 12 drives the second rack 13 meshed with the gear to move upwards, the second rack 13 drives the moving plate 9 to move upwards, the moving plate 9 drives the lower arc-shaped plate 6 to move upwards through the cross rod 8 and the moving rod 7 in sequence, and the two arc-shaped plates 6 move towards directions close to each other, the arc-shaped plate 6 drives the corresponding sharp block 16 to move to be in close contact with the outer side of the hard rubber ring 15, and under the action of friction force between the sharp block 16 and the hard rubber ring 15, the main shaft 101 is fixed, so that the main shaft 101 is fixed again, the locking stability of the main shaft 101 is improved in a mode of locking the main shaft 101 at two positions, and the phenomenon that the main shaft 101 continues to rotate due to large inertia is reduced;

when the locking of main shaft 101 needs to be released, power is cut off to electromagnet ring 2, the magnetic adsorption force of electromagnet ring 2 disappears, electric telescopic handle 10 is started in reverse direction, the motion process of electric telescopic handle 10 is started in the same way and in the forward direction, so that two arc-shaped plates 6 drive corresponding sharp blocks 16 to move in the direction away from each other and separate from hard rubber ring 15, the fixation of main shaft 101 is released, and normal use can be realized.

In the description of the present application, it should be noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected" and "connected" should be construed broadly, and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediary, and a communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A magnetic card lock device for stopping a main shaft of a numerical control machine tool comprises a magnetic card lock device body which is arranged on a rack (100) and is matched with the main shaft (101), and the magnetic card lock device body comprises an installation sleeve (1) fixedly arranged on the rack (100), and is characterized in that the main shaft (101) is fixedly sleeved with a circular sleeve (3), an iron ring (4) is embedded on the outer side of the circular sleeve (3), the installation sleeve (1) is sleeved on the circular sleeve (3), an electromagnet ring (2) is embedded on the inner wall of the installation sleeve (1), the inner wall of the electromagnet ring (2) is movably contacted with the outer side of the iron ring (4), a hard rubber ring (15) is embedded on the outer side of the circular sleeve (3), arc-shaped grooves (5) are respectively arranged on the inner wall of the top and the inner wall of the bottom of the installation sleeve (1), an extrusion mechanism is sleeved in the arc-shaped grooves (5) in a sliding manner, one side of the two extrusion mechanisms which are close to each other is respectively contacted with the top and the bottom of the hard rubber ring (15), the top inner wall of arc wall (5) that lie in the top in two arc wall (5) inlays and is equipped with electric telescopic handle (10), the output shaft bottom of electric telescopic handle (10) and the top fixed connection of the extrusion mechanism that lies in the top, the top fixedly connected with synchronous actuating mechanism of the extrusion mechanism that lies in the top, the top of synchronous actuating mechanism extends to the top of installation cover (1), the bottom fixedly connected with carriage release lever (7) of the extrusion mechanism that lies in the below, the bottom of carriage release lever (7) extends to the below and fixedly connected with horizontal pole (8) of installation cover (1), the top right side fixedly connected with movable plate (9) of horizontal pole (8), the top of movable plate (9) runs through installation cover (1) and extends to its top, movable plate (9) cover is established on main shaft (101), synchronous actuating mechanism inlays the dress and fixes at the left side top of movable plate (9).

2. The magnetic card lock device for stopping the main shaft of the numerical control machine according to claim 1, wherein the squeezing mechanism comprises an arc-shaped plate (6) which is slidably sleeved in the arc-shaped groove (5), one side of the arc-shaped plate (6) close to the hard rubber ring (15) is fixedly connected with a plurality of sharp blocks (16), the sharp ends of the sharp blocks (16) are tightly contacted with the outer side of the hard rubber ring (15), the top of the arc-shaped plate (6) positioned above is fixedly connected with the bottom end of the output shaft of the electric telescopic rod (10), and the bottom of the arc-shaped plate (6) positioned below is fixedly connected with the top end of the moving rod (7).

3. The magnetic card lock device for stopping the main shaft of the numerical control machine according to claim 1, wherein the synchronous driving mechanism comprises a first rack (11), the bottom end of the first rack (11) is fixedly connected with the top of the arc-shaped plate (6) positioned above, the top end of the first rack (11) extends to the upper part of the mounting sleeve (1) through the arc-shaped groove (5) positioned above and is fixedly connected with an anti-dropping block, a gear (12) is rotatably installed on the right side of the top part of the mounting sleeve (1), a second rack (13) is embedded on the top of the left side of the moving plate (9), and the gear (12) is positioned between the first rack (11) and the second rack (13) and is meshed with the first rack (11) and the second rack (13).

4. The magnetic card lock device for stopping the main shaft of the numerical control machine tool according to claim 1, wherein a first annular groove is formed in the side wall of the mounting sleeve (1), the inner wall of the first annular groove is fixedly connected with the outer side of the electromagnet ring (2), a second annular groove is formed in the outer side of the circular sleeve (3), and the inner wall of the second annular groove is fixedly connected with the outer side of the iron ring (4).

5. The magnetic card lock device for stopping the main shaft of the numerical control machine according to claim 1, characterized in that one side of the moving plate (9) is provided with a first through hole (14), and the main shaft (101) is positioned in the first through hole (14) and is not contacted with the inner wall of the first through hole (14).

6. The magnetic card lock device for stopping the main shaft of the numerical control machine tool according to claim 1, characterized in that the inner walls of the top and the bottom of the mounting sleeve (1) are both provided with rectangular through holes, and the inner walls of the rectangular through holes are slidably connected with the outer side of the movable plate (9).

7. The magnetic card lock device for stopping the main shaft of the numerical control machine according to claim 3, characterized in that the top inner wall of the arc-shaped groove (5) positioned above is provided with a second through hole, and the first rack (11) is positioned in the second through hole and is not contacted with the inner wall of the second through hole.