CN219234971U

CN219234971U - Center grinding device for numerical control lathe

Info

Publication number: CN219234971U
Application number: CN202320311296.3U
Authority: CN
Inventors: 李俊锁
Original assignee: Shanghai Yun'an Plate Making Co ltd
Current assignee: Shanghai Yun'an Plate Making Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-23
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to a center grinding device for a numerical control lathe, which is used for grinding a center arranged on the numerical control lathe, and comprises a grinding wheel, a rotating motor and a wheel angle adjusting mechanism, wherein the grinding end of the grinding wheel is aligned with a surface to be ground of the center, the grinding wheel is fixed on a rotating shaft of the rotating motor, and the wheel angle adjusting mechanism is connected with the rotating motor and is used for adjusting the grinding angle of the grinding wheel. Compared with the prior art, the utility model has the advantages of high grinding precision, reduced cost, more convenient operation and the like.

Description

Center grinding device for numerical control lathe

Technical Field

The utility model relates to a center grinding device, in particular to a center grinding device for a numerical control lathe.

Background

The plate roller is divided into a hollow roller and a solid roller, and a shaft roller and a non-shaft roller are generally used for plate making, copper plating is carried out on the surface of a cylinder, patterns are engraved through an intaglio electronic engraving machine, and then a layer of chromium is plated. After being made, the printing ink is used for printing. After printing, the chromium on the surface of the washing part can be used repeatedly for engraving patterns again.

When the numerical control lathe is used for processing the plate roller, the center is required to be used for propping against two ends of the plate roller, after the center is used for a period of time, the surface of the center is provided with a worn groove, and external maintenance or center replacement is required, especially the center with an alloy strip is high in maintenance cost and higher in replacement cost.

Therefore, the technical problem to be solved is how to provide a grinding device for grinding the center without disassembling the center, so that the maintenance cost outside the user or the replacement cost of the center is reduced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the center grinding device for the numerical control lathe, which has the advantages of high grinding precision, cost reduction and more convenient operation.

The aim of the utility model can be achieved by the following technical scheme:

according to one aspect of the present utility model, there is provided a center grinding apparatus for a numerical control lathe for grinding a center mounted on the numerical control lathe, the grinding apparatus including a grinding wheel having a grinding end aligned with a surface to be ground of the center, a rotating motor, and a wheel angle adjusting mechanism fixed to a rotating shaft of the rotating motor, the wheel angle adjusting mechanism being connected to the rotating motor for adjusting a grinding angle of the grinding wheel.

As a preferable technical scheme, the grinding wheel is a diamond wheel.

As a preferable technical scheme, the rotating motor is a rotating motor with the rotating speed of 20000 revolutions per minute.

As a preferable technical scheme, the tip grinding device further comprises a frequency converter connected with the rotating motor and used for controlling the rotating speed of the rotating motor.

As the preferable technical scheme, grinding wheel angle adjustment mechanism include first fixed plate, runing rest, second fixed plate and fastening assembly, first fixed plate is fixed on the casing of rotating electrical machines, runing rest one end and first fixed plate fixed connection, the other end and second fixed plate swing joint to it is fixed through fastening assembly, the second fixed plate is fixed on the numerical control lathe.

As a preferable technical scheme, the fastening assembly comprises a fixing bolt and a fastening nut, and the fixing bolt sequentially penetrates through the second fixing plate and the rotating bracket and then is fixed with the fastening nut.

As the preferable technical scheme, the fastening assembly comprises a fixing bolt, a bolt through hole is formed in the second fixing plate, a bolt blind hole is formed in the rotating support, and the fixing bolt penetrates through the bolt through hole and then enters the bolt blind hole.

As a preferred embodiment, the first fixing plate is fixed to the housing of the rotating electrical machine by means of screws.

As an optimal technical scheme, the second fixing plate is fixed on the numerical control lathe through a fixing block.

As an optimal technical scheme, the fixed block is detachably fixed on the numerical control lathe.

Compared with the prior art, the utility model has the following advantages:

1) The grinding precision is high, the precision runout of the center is very small and is smaller than 5 microns after the grinding, so that the precision of a product is improved;

2) The cost is reduced, the cost of maintaining the center outside the user or the cost of replacing the center is reduced, and the service life of the center is greatly prolonged;

3) The operation is more convenient, through setting up emery wheel angle adjustment mechanism, can adjust according to the top different positions, avoided the repeated installation, improved the operation convenience greatly.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of the present utility model;

FIG. 3 is a schematic view of the grinding wheel angle adjustment mechanism of the present utility model;

wherein 1 is a numerical control lathe, 2 is a center, 3 is a grinding wheel, 4 is a rotating motor, 5 is a wheel angle adjusting mechanism, 6 is a fixed block, 51 is a first fixed plate, 52 is a rotating bracket, 53 is a second fixed plate, 54 is a fixed bolt, and 55 is a fastening nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As shown in fig. 1 and 2, a tip grinding device for a numerically controlled lathe is used for grinding a tip 2 mounted on the numerically controlled lathe 1, the grinding device comprises a grinding wheel 3, a rotating motor 4 and a grinding wheel angle adjusting mechanism 5, a grinding end of the grinding wheel 3 is aligned with a surface to be ground of the tip 2, the grinding wheel 3 is fixed on a rotating shaft of the rotating motor 4, and the grinding wheel angle adjusting mechanism 5 is connected with the rotating motor 4 and is used for adjusting a grinding angle of the grinding wheel 3.

After the numerical control lathe center is worn, the center does not need to be disassembled, a diamond grinding wheel which rotates at high speed is arranged on a rotary tool table of the lathe, a corresponding program is written, the lathe center rotates, and the tool table walks along the taper direction of the center to repair and grind the top angle. When the back tailstock center is polished, the back center is turned by using a connecting rod, and the polished back tailstock center can be polished, and the polished back center precision reaches the micrometer level.

The grinding wheel 3 is a diamond wheel, so that the grinding reliability is greatly improved, and the rotating motor 4 is a rotating motor with the rotating speed of 20000 revolutions per minute, so that the grinding efficiency is further improved. The center grinding device also comprises a frequency converter connected with the rotating motor 4 and used for controlling the rotating speed of the rotating motor 4.

The grinding wheel angle adjusting mechanism 5 comprises a first fixing plate 51, a rotating bracket 52, a second fixing plate 53 and a fastening component, wherein the first fixing plate 51 is fixed on a shell of the rotating motor 4, one end of the rotating bracket 52 is fixedly connected with the first fixing plate 51, the other end of the rotating bracket is movably connected with the second fixing plate 53 and is fixed through the fastening component, the second fixing plate 53 is fixed on the numerically controlled lathe 1, and through the structure, the inclination angle of the grinding wheel 3 can be adjusted, so that the operation convenience is further improved.

The fastening assembly includes a fixing bolt 54 and a fastening nut 55, and the fixing bolt 54 passes through the second fixing plate 53 and the rotating bracket 52 in sequence and then is fixed with the fastening nut 55.

The first fixing plate 51 is fixed to the housing of the rotary electric machine 4 by means of screws. The second fixing plate 53 is fixed on the numerically controlled lathe 1 through a fixing block 6. The fixed block 6 is fixed on the numerically controlled lathe 1 in a detachable mode, and the detachable mode can be realized by adopting a screw or bolt mode.

Example 2

The fastening assembly comprises a fixing bolt 54, a bolt through hole is formed in the second fixing plate 53, a bolt blind hole is formed in the rotary support 52, and the fixing bolt 54 penetrates through the bolt through hole and then enters the bolt blind hole. The procedure is as in example 1.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The utility model provides a top grinder for numerical control lathe for grind top (2) of installing on numerical control lathe (1), its characterized in that, grinder includes grinding wheel (3), rotating electrical machines (4) and grinding wheel angle adjustment mechanism (5), the grinding end of grinding wheel (3) aims at the face of waiting of top (2), grinding wheel (3) are fixed on the rotation axis of rotating electrical machines (4), grinding wheel angle adjustment mechanism (5) are connected with rotating electrical machines (4) for adjust the grinding angle of grinding wheel (3).

2. The tip grinding device for the numerically controlled lathe according to claim 1, wherein the grinding wheel (3) is a diamond grinding wheel.

3. The tip grinding device for the numerically controlled lathe according to claim 1, wherein the rotating motor (4) is a rotating motor with a rotating speed of 20000 revolutions per minute.

4. The tip grinding device for a numerically controlled lathe according to claim 1, further comprising a frequency converter connected to the rotating electric machine (4) for controlling the rotation speed of the rotating electric machine (4).

5. The center grinding device for the numerical control lathe according to claim 1, wherein the grinding wheel angle adjusting mechanism (5) comprises a first fixing plate (51), a rotating bracket (52), a second fixing plate (53) and a fastening component, the first fixing plate (51) is fixed on a shell of the rotating motor (4), one end of the rotating bracket (52) is fixedly connected with the first fixing plate (51), the other end of the rotating bracket is movably connected with the second fixing plate (53) and is fixed through the fastening component, and the second fixing plate (53) is fixed on the numerical control lathe (1).

6. The center grinding device for a numerically controlled lathe according to claim 5, wherein the fastening assembly comprises a fixing bolt (54) and a fastening nut (55), and the fixing bolt (54) is fixed with the fastening nut (55) after sequentially passing through the second fixing plate (53) and the rotating bracket (52).

7. The center grinding device for the numerically controlled lathe according to claim 5, wherein the fastening assembly comprises a fixing bolt (54), a bolt through hole is formed in the second fixing plate (53), a bolt blind hole is formed in the rotating support (52), and the fixing bolt (54) penetrates through the bolt through hole and then enters the bolt blind hole.

8. The center grinder for a numerically controlled lathe according to claim 5, wherein the first fixing plate (51) is fixed to the housing of the rotary motor (4) by means of screws.

9. The center grinding device for a numerically controlled lathe according to claim 5, wherein the second fixing plate (53) is fixed on the numerically controlled lathe (1) by a fixing block (6).

10. The tip grinding device for a numerically controlled lathe according to claim 9, wherein the fixing block (6) is detachably fixed to the numerically controlled lathe (1).