CN211759840U

CN211759840U - High-precision high-safety sliding column device for numerical control machine tool

Info

Publication number: CN211759840U
Application number: CN202020244775.4U
Authority: CN
Inventors: 徐春芳
Original assignee: Taizhou Hailing Zhenze Machinery Manufacturing Co ltd
Current assignee: Taizhou Hailing Zhenze Machinery Manufacturing Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-10-27
Anticipated expiration: 2030-03-03

Abstract

The utility model relates to the technical field of numerical control machine tools, in particular to a high-precision high-safety sliding column device for a numerical control machine tool, which comprises a base and a sliding block, wherein the upper end inside the base is fixedly connected with a linear motor stator, the upper end of the linear motor stator is slidably connected with a linear motor rotor, the left and right ends of the linear motor rotor are fixedly connected with a trigger rod, the upper end surface of the linear motor rotor is fixedly connected with a scale grating, the upper end of the scale grating is slidably connected with a grating reading head, the front side and the rear side of the scale grating are respectively provided with a fixed rod, the left and right ends of the sliding block are rotatably connected with a folding frame, the upper end of the folding; the utility model discloses in, through linear electric motor active cell, linear electric motor stator, scale grating, grating reading head, protection device and the dust cover that sets up, can improve the machining precision of lathe to protect the device.

Description

High-precision high-safety sliding column device for numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a high safe traveller device for digit control machine tool of high accuracy.

Background

A numerical control machine is an automated machine equipped with a program control system capable of logically processing and decoding programs having control codes or other symbolic instructions, represented by coded numbers, the slide column device for the numerical control machine tool is a typical mechanical and electrical integration product, is an indispensable important component on the numerical control machine tool, can drive a tool bit or a workpiece to move, and ensures the high quality and high precision of part processing by the good slide column device.

At present, a sliding column device used on a numerical control machine tool is various in types, mostly adopts a screw rod sleeve type and a hydraulic type, is low in production precision, is low in operation speed and acceleration during machining, adopts a linear motor as a driving mode for part of numerical control machine tools, does not add a corresponding protection device, easily causes the linear motor to collide with other parts in the device during operation, and causes machine damage, and therefore the sliding column device for the high-precision and high-safety numerical control machine tool is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high safe traveller device for digit control machine tool of high accuracy to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sliding column device for a high-precision high-safety numerical control machine tool comprises a base and a sliding block, wherein a linear motor stator is fixedly connected to the upper end inside the base, a linear motor rotor is slidably connected to the upper end of the linear motor stator, trigger rods are fixedly connected to the left end and the right end of the linear motor rotor, a scale grating is fixedly connected to the upper end face of the linear motor rotor, a grating reading head is slidably connected to the upper end of the scale grating, the left end and the right end of the grating reading head are fixedly connected with the base, fixing rods are arranged on the front side and the rear side of the scale grating, the lower end of each fixing rod is fixedly connected with the linear motor rotor, the upper end of each fixing rod is fixedly connected with the sliding block, the inner side of the sliding block is slidably connected with the base, folding frames are rotatably connected to the left, the base is provided with a left end cover and a right end cover, the inner sides of the end covers are provided with protection devices, and the outer sides of the protection devices are fixedly connected with the base.

Preferably, the protection device comprises a controller, an outer shell and a spring, the left end of the controller is fixedly connected with the outer shell, the outer side of the outer shell is fixedly connected with the base, the spring is arranged on the inner side of the outer shell, the left end of the spring is fixedly connected with a compression contact, the outer side of the compression contact is connected with the outer shell in a sliding manner, the other end of the spring is fixedly connected with a fixed contact, and the outer side of the fixed contact is fixedly connected with the outer shell.

Preferably, the number of the protection devices is 2, and the protection devices are symmetrically distributed on the left side and the right side of the vertical center line of the base.

Preferably, the left end surface of the linear motor rotor and the left end surface of the scale grating are in the same vertical plane.

Preferably, the upper end surface of the base is symmetrically provided with I-shaped protrusions, and the inner side of the sliding block is provided with a through groove matched with the I-shaped protrusions arranged on the upper end surface of the base.

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

1. in the utility model, through the linear electric motor rotor, the linear electric motor stator, the scale grating and the grating reading head, the linear electric motor is a transmission device which directly converts the electric energy into the linear motion mechanical energy without any intermediate conversion mechanism, the linear electric motor has more unique advantages than the mechanical system, such as wide high-speed adjustment range, high acceleration, high precision and other characteristics, the linear electric motor rotor is connected with the slide block of the slide column and the scale grating, the structure is simple, the use and the positioning in the stroke are convenient, and the processing precision of the machine tool can be improved;

2. the utility model discloses in, through protection device and the dust cover that sets up, when linear electric motor active cell slides linear electric motor stator left end or right-hand member, the trigger bar promotes protection device's compression contact, contact with the fixed contact behind the compression contact compression spring, the power of controller disconnection linear electric motor active cell this moment, linear electric motor active cell no longer removes, the dust cover can prevent that the piece from falling into in the device in the course of working, cause the device to damage, this kind of setting can protect the device, the stroke overlength that prevents the slider removal leads to the collision between the part between the device.

Drawings

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

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the overall structure of the base of the present invention;

fig. 4 is a schematic view of the overall structure of the slider of the present invention.

In the figure: the device comprises a base 1, a sliding block 2, a linear motor stator 3, a linear motor mover 4, a trigger bar 5, a scale grating 6, a grating reading head 7, a fixed bar 8, a folding frame 9, a dust cover 10, an end cover 11, a protective device 12, a controller 1201, an outer shell 1202, a spring 1203, a compression contact 1204 and a fixed contact 1205.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

a high-precision high-safety slide column device for a numerical control machine tool comprises a base 1 and a slide block 2, wherein the upper end inside the base 1 is fixedly connected with a linear motor stator 3, the upper end of the linear motor stator 3 is slidably connected with a linear motor rotor 4, the left end and the right end of the linear motor rotor 4 are both fixedly connected with a trigger rod 5, the upper end surface of the linear motor rotor 4 is fixedly connected with a scale grating 6, the upper end of the scale grating 6 is slidably connected with a grating reading head 7, the left end and the right end of the grating reading head 7 are both fixedly connected with the base 1, the front side and the rear side of the scale grating 6 are both provided with a fixed rod 8, the lower end of the fixed rod 8 is fixedly connected with the linear motor rotor 4, the upper end of the fixed rod 8 is fixedly connected with the slide block 2, the inner side of the slide block 2 is slidably connected with the base 1, folding leg 9 upper end fixedly connected with dust cover 10, the equal fixedly connected with end cover 11 in both ends about base 1, end cover 11 inboard is equipped with protection device 12, the protection device 12 outside and base 1 fixed connection.

The protection device 12 comprises a controller 1201, an outer shell 1202 and a spring 1203, the left end of the controller 1201 is fixedly connected with the outer shell 1202, the outer side of the outer shell 1202 is fixedly connected with the base 1, the inner side of the outer shell 1202 is provided with a spring 1203, the left end of the spring 1203 is fixedly connected with a compression contact 1204, the outer side of the compression contact 1204 is in sliding connection with the outer shell 1202, the other end of the spring 1203 is fixedly connected with a fixed contact 1205, the outer side of the fixed contact 1205 is fixedly connected with the outer shell 1202, the protection device can be protected, collision of parts in the protection device is prevented, the number of the protection devices 12 is 2, the protection devices 12 are symmetrically distributed on the left side and the right side of a vertical central line of the base 1, the protection device can be conveniently protected in an omnibearing manner, the left end face of the linear motor rotor 4 and the left end face, the arrangement can improve the positioning precision, the I-shaped bulges are symmetrically arranged on the upper end surface of the base 1, and the through grooves matched with the I-shaped bulges arranged on the upper end surface of the base 1 are arranged on the inner sides of the sliding blocks 2, so that the sliding blocks 2 can be prevented from being separated from the base 1.

The model of the linear motor stator 3 is GG14A-100 and 045-S600-I-A, the model of the linear motor rotor 4 is GG14A-100 and 045-S600-I-A, the model of the scale grating 6 is SYNTEK, the model of the grating reading head 7 is SYNTEK, and the model of the controller 1201 is DKC-Y220.

The working process is as follows: the electric appliances are all external power supplies, the power supply of the linear motor rotor 4 is switched on, the linear motor rotor 4 slides outside the linear motor stator, the linear motor rotor 4 drives the sliding block 2 to move left and right to realize the movement of a tool bit or a workpiece of a machine tool, the linear motor rotor 4 drives the grating reading head 7 to move, the grating reading head 7 slides outside the scale grating 6, a measurement feedback device which works by utilizing the optical principle of the grating can detect linear displacement, the linear displacement is commonly used for detecting the coordinates of the tool and the workpiece in the numerical control machine tool to observe and track the feeding error so as to play a role of compensating the movement error of the tool, when the linear motor rotor 4 moves to the left end or the right end of the linear motor stator 3, the trigger rod 5 pushes the compression contact 1204 of the protection device 12, the compression contact 1204 is contacted with the fixed contact 1205 after compressing the spring 1203, and the controller 1201 cuts off the power supply of, linear electric motor active cell 4 no longer removes, and this kind of setting can be protected the device, prevents that the stroke overlength that the slider removed from leading to the collision between the part of device, and the slip of slider 2 drives folding leg 9 simultaneously and contracts and extend, and folding leg 9 drives dust cover 10 and extends, and dust cover 10 can prevent that the piece from falling into the device in the course of working, causes the device to damage.

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. The utility model provides a high safe traveller device for digit control machine tool of high accuracy, includes base (1) and slider (2), its characterized in that: the upper end of the interior of the base (1) is fixedly connected with a linear motor stator (3), the upper end of the linear motor stator (3) is slidably connected with a linear motor rotor (4), the left end and the right end of the linear motor rotor (4) are fixedly connected with trigger rods (5), the upper end face of the linear motor rotor (4) is fixedly connected with a scale grating (6), the upper end of the scale grating (6) is slidably connected with a grating reading head (7), the left end and the right end of the grating reading head (7) are fixedly connected with the base (1), the front side and the rear side of the scale grating (6) are respectively provided with a fixed rod (8), the lower end of each fixed rod (8) is fixedly connected with the linear motor rotor (4), the upper end of each fixed rod (8) is fixedly connected with a sliding block (2), the inner side of the sliding block (2) is slidably connected with the base (1), and the left, folding leg (9) outside and base (1) sliding connection, folding leg (9) upper end fixedly connected with dust cover (10), equal fixedly connected with end cover (11) in both ends about base (1), end cover (11) inboard is equipped with protection device (12), protection device (12) outside and base (1) fixed connection.

2. The slide column device for the high-precision high-safety numerical control machine tool according to claim 1, characterized in that: protection device (12) include controller (1201), shell body (1202) and spring (1203), controller (1201) left end and shell body (1202) fixed connection, the shell body (1202) outside and base (1) fixed connection, shell body (1202) inboard is equipped with spring (1203), spring (1203) left end fixedly connected with compress contact (1204), compress contact (1204) outside and shell body (1202) sliding connection, spring (1203) other end fixedly connected with fixed contact (1205), fixed contact (1205) outside and shell body (1202) fixed connection.

3. The slide column device for the high-precision high-safety numerical control machine tool according to claim 1, characterized in that: the number of the protection devices (12) is 2, and the protection devices (12) are symmetrically distributed on the left side and the right side of the vertical center line of the base (1).

4. The slide column device for the high-precision high-safety numerical control machine tool according to claim 1, characterized in that: the left end face of the linear motor rotor (4) and the left end face of the scale grating (6) are in the same vertical plane.

5. The slide column device for the high-precision high-safety numerical control machine tool according to claim 1, characterized in that: the upper end face of the base (1) is symmetrically provided with I-shaped bulges, and the inner side of the sliding block (2) is provided with a through groove matched with the I-shaped bulges arranged on the upper end face of the base (1).