CN214920543U

CN214920543U - Numerical control high accuracy lathe main shaft locking structure

Info

Publication number: CN214920543U
Application number: CN202120781418.6U
Authority: CN
Inventors: 仇军; 仇晶晶; 施福香; 孙国定; 孙正龙
Original assignee: Jiangsu Shentai Machine Tool Co ltd
Current assignee: Shandong Youhao Energy Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-30
Anticipated expiration: 2031-04-14

Abstract

The utility model relates to the technical field of mechanical equipment, and a numerical control high accuracy lathe main shaft locking structure is disclosed, the large-scale motor assembly comprises a main shaft, the periphery of main shaft is provided with mounting flange, mounting flange's one end is provided with the clamp plate that two symmetries set up, movable opening has been seted up to the preceding lateral wall of clamp plate, be provided with the fixed pin on the activity opening, the one end and the mounting flange threaded connection of fixed pin, the below of main shaft is provided with the base, the spout has been seted up to the upper surface of base, this numerical control high accuracy lathe main shaft locking structure, through setting up spout, bull stick cooperation slider, when the bull stick clockwise rotation two sliders will be simultaneously inside shift position, will drive the inside shift position of clamp plate when the inside shift position of slider, the clamp plate of being convenient for is fixed the main shaft, makes things convenient for the workman to dismantle, has improved the practicality.

Description

Numerical control high accuracy lathe main shaft locking structure

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically be a numerical control high accuracy lathe main shaft locking structure.

Background

The main shaft of the machine tool refers to a shaft on the machine tool for driving a workpiece or a cutter to rotate. The main shaft component is generally composed of a main shaft, a bearing, a transmission member (gear or pulley), and the like. The machine is mainly used for supporting transmission parts such as gears and belt wheels and transmitting motion and torque, such as a machine tool spindle; some are used to clamp a workpiece, such as a mandrel.

In the prior art, the main shaft needs to be locked to be detached when a claw on the main shaft is detached, and the existing machine tool main shaft is locked by adopting a three-fluted-disc locking mechanism or a friction plate pressing mode, so that the modes are complex in structure, inconvenient to operate and high in production cost. Therefore, we propose a numerical control high precision machine tool spindle locking structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a numerical control high accuracy lathe main shaft locking structure has solved the problem that the background art provided.

(II) technical scheme

For realizing the above-mentioned locking of being convenient for, easy operation improves work efficiency's purpose, the utility model provides a following technical scheme: the utility model provides a numerical control high accuracy lathe main shaft locking structure, includes the main shaft, the periphery of main shaft is provided with mounting flange, mounting flange's one end is provided with the clamp plate that two symmetries set up, movable opening has been seted up to the preceding lateral wall of clamp plate, be provided with the fixed pin on the movable opening, the one end and the mounting flange threaded connection of fixed pin, the below of main shaft is provided with the base, the spout has been seted up to the upper surface of base, sliding connection has two sliders on the spout, the lower fixed surface of slider and clamp plate is connected, the inner wall of spout rotates and is connected with the bull stick, the right-hand member screw thread of bull stick runs through the slider and extends to the outside, be provided with blocking mechanism in the spout.

Preferably, stop mechanism includes the bar shaped plate, the movable channel with both sides intercommunication is seted up to the inside of bar shaped plate, there are the baffle of two symmetries settings in the movable channel, one side and the slider fixed connection of baffle.

Preferably, a knob is fixedly connected to the end of the right half part of the rotating rod, and the knob is oval.

Preferably, the surface of the rotating rod is provided with two sections of threads, one section of the threads are left-handed threads, and the other end of the threads are right-handed threads.

Preferably, the two pressure plates are arranged in an arc shape, and anti-skid grains are arranged above the pressure plates.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this numerical control high accuracy lathe main shaft locking structure through setting up spout, bull stick cooperation slider, two sliders will be simultaneously inside shift position when the bull stick clockwise turning, will drive the inside shift position of clamp plate when the inside shift position of slider, and the clamp plate of being convenient for fixes the main shaft, makes things convenient for the workman to dismantle, has improved the practicality.

2. This numerical control high accuracy lathe main shaft locking structure through setting up strip shaped plate, movable channel cooperation baffle, is convenient for block the spout, prevents that the disintegrating slag on the work piece from falling into the spout when processing the work piece in, avoids the work piece disintegrating slag to influence slider shift position.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the base of the present invention;

FIG. 3 is a schematic top view of the middle rotating rod of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the strip-shaped plate and the baffle of the present invention.

In the figure: 1. a main shaft; 2. a fixed flange; 3. pressing a plate; 4. a movable through opening; 5. a fixing pin; 6. a base; 7. a chute; 8. a slider; 9. a rotating rod; 10. a strip plate; 11. a movable channel; 12. a baffle plate; 13. a knob; 14. and (4) threading.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a numerical control high precision machine tool spindle locking structure comprises a spindle 1, a fixed flange 2 is arranged on the periphery of the spindle 1, two pressing plates 3 symmetrically arranged are arranged at one end of the fixed flange 2, the two pressing plates 3 are arranged in an arc shape, anti-slip patterns are arranged above the pressing plates 3, friction between the spindle 1 and the pressing plates 3 can be improved by arranging the anti-slip patterns, the spindle 1 is prevented from rotating, a movable through hole 4 is formed in the front side wall of the pressing plate 3, a fixed pin 5 is arranged on the movable through hole 4, one end of the fixed pin 5 is in threaded connection with the fixed flange 2, a base 6 is arranged below the spindle 1, a chute 7 is formed in the upper surface of the base 6, two sliding blocks 8 are slidably connected on the chute 7, the sliding blocks 8 are fixedly connected with the lower surface of the pressing plate 3, a rotating rod 9 is rotatably connected on the inner wall of the chute 7, two sections of threads 14 are formed on the surface of the rotating rod 9, one section screw thread 14 is the left-handed screw thread, another end screw thread 14 is the right-handed screw thread, through setting up screw thread 14, be convenient for two slider 8 inside shift position simultaneously, also make things convenient for two slider 8 outside shift position simultaneously, right half part tip fixedly connected with knob 13 of bull stick 9, knob 13 is oval, be oval through setting up knob 13, convenience of customers passes through knob 13 and rotates bull stick 9, travelling comfort when using has been improved, the right-hand member screw thread of bull stick 9 runs through slider 8 and extends to the outside, be provided with blocking mechanism in the spout 7, blocking mechanism includes bar shaped plate 10, the movable channel 11 with both sides intercommunication is seted up to bar shaped plate 10's inside, there are the baffle 12 of two symmetry settings in the movable channel 11, one side and the slider 8 fixed connection of baffle 12.

The working principle is as follows: when the jack catch is dismantled on main shaft 1 as required, at first clockwise turning knob 13, will drive bull stick 9 when knob 13 rotates and rotate, slider 8 in spout 7 will the inward shift position when bull stick 9 rotates, will drive clamp plate 3 and fix main shaft 1 when slider 8 inwards moves, be convenient for dismantle the epaxial jack catch of main shaft 1, when having changed new jack catch on main shaft 1, at your anticlockwise turning knob 13, at this moment slider 8 will the outward shift position, clamp plate 3 will remove the state of offseting with main shaft 1 this moment, slide block 8 also can drive baffle 12 and remove the position in activity opening 4 when removing the horizontal shift position in spout 7 simultaneously, the work piece disintegrating slag falls into in spout 7 when can avoiding processing the work piece under the cooperation of baffle 12 and strip shaped plate 10.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A numerical control high-precision machine tool spindle locking structure comprises a spindle (1);

the method is characterized in that:

a fixed flange (2) is arranged on the periphery of the main shaft (1), two symmetrically arranged pressing plates (3) are arranged at one end of the fixed flange (2), a movable through hole (4) is arranged on the front side wall of the pressing plate (3), a fixing pin (5) is arranged on the movable through hole (4), one end of the fixing pin (5) is in threaded connection with the fixing flange (2), a base (6) is arranged below the main shaft (1), the upper surface of the base (6) is provided with a sliding chute (7), the sliding chute (7) is connected with two sliding blocks (8) in a sliding way, the slide block (8) is fixedly connected with the lower surface of the pressure plate (3), the inner wall of the chute (7) is rotatably connected with a rotating rod (9), the right end thread of the rotating rod (9) penetrates through the sliding block (8) and extends to the outside, and a blocking mechanism is arranged in the sliding groove (7).

2. The numerical control high precision machine tool spindle locking structure according to claim 1, characterized in that: the blocking mechanism comprises a strip-shaped plate (10), a movable channel (11) communicated with two sides is formed in the strip-shaped plate (10), two symmetrically-arranged baffles (12) are arranged in the movable channel (11), and one side of each baffle (12) is fixedly connected with a sliding block (8).

3. The numerical control high precision machine tool spindle locking structure according to claim 1, characterized in that: the end part of the right half part of the rotating rod (9) is fixedly connected with a knob (13), and the knob (13) is oval.

4. The numerical control high precision machine tool spindle locking structure according to claim 1, characterized in that: two sections of threads (14) are formed on the surface of the rotating rod (9), one section of the threads (14) is left-hand threads, and the other end of the threads (14) is right-hand threads.

5. The numerical control high precision machine tool spindle locking structure according to claim 1, characterized in that: the two pressing plates (3) are arranged in an arc shape, and anti-skid grains are arranged above the pressing plates (3).