CN215824356U

CN215824356U - One-step forming cutter for inner hole size of valve shell

Info

Publication number: CN215824356U
Application number: CN202122344887.4U
Authority: CN
Inventors: 王晨; 陶晓龙; 段利超
Original assignee: Suzhou Flexible Precision Metal Technology Co ltd
Current assignee: Suzhou Flexible Precision Metal Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-15
Anticipated expiration: 2031-09-27

Abstract

The utility model provides a cutter for one-step forming of the size of an inner hole of a valve shell. The one-step forming cutter for the size of the inner hole of the valve shell comprises a main shaft; the first milling cutters are symmetrically arranged on the main shaft; and the second milling cutter is fixedly arranged at the bottom end of the main shaft. The one-step forming cutter for the size of the inner hole of the valve shell, provided by the utility model, has the advantages of convenience in use, simplicity in operation and capability of being formed at one time, and further the machining efficiency is improved.

Description

One-step forming cutter for inner hole size of valve shell

Technical Field

The utility model relates to the technical field of part processing, in particular to a valve shell inner hole size one-step forming cutter.

Background

The existing machine tool is used for processing parts and equipment in a great variety, the cutters comprise turning tools, boring tools, milling cutters, drilling tools, cutting-off tools and the like, boss holes need to be processed on a valve shell in the production process of a valve body, a hole is firstly formed in a general processing means, then a boss is processed in the hole, two kinds of cutters need to be used, the operation is complex, and the processing efficiency is low.

Therefore, it is necessary to provide a new one-step forming tool for the inner hole size of the valve housing to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing the one-step forming cutter for the size of the inner hole of the valve shell, which is convenient to use, simple to operate and capable of being formed at one time so as to improve the machining efficiency.

In order to solve the technical problem, the one-step forming cutter for the size of the inner hole of the valve shell provided by the utility model comprises: a main shaft; the first milling cutters are symmetrically arranged on the main shaft; and the second milling cutter is fixedly arranged at the bottom end of the main shaft.

Preferably, a plurality of sliding grooves are formed in the main shaft, a connecting piece is fixedly mounted on the first milling cutter, and the connecting piece is connected with the inner walls of the sliding grooves in a sliding mode.

Preferably, a first cavity is formed in the spindle, a sliding block is slidably mounted in the first cavity, and the sliding block is connected with the first milling cutter.

Preferably, a plurality of connecting blocks are fixedly mounted on the sliding block, a bolt is arranged on the first milling cutter, and the first milling cutter is connected with the connecting blocks through the bolt.

Preferably, a plurality of sliding holes are formed in the inner wall of the first cavity, sliding rods are fixedly mounted in the sliding holes and are connected with the connecting blocks in a sliding mode.

Preferably, a screw rod is rotatably mounted in the first cavity and is in threaded connection with the sliding block.

Preferably, the spindle is provided with a second cavity, the top end of the screw rod extends into the second cavity and is fixedly provided with a worm wheel, a worm is rotatably arranged in the second cavity and is meshed with the worm wheel, and one end of the worm extends out of the second cavity and is fixedly provided with a handle.

Compared with the prior art, the one-step forming cutter for the size of the inner hole of the valve shell has the following beneficial effects:

the utility model provides a valve housing inner hole size one-step forming cutter, wherein a plurality of first milling cutters are symmetrically arranged on a main shaft, and a second milling cutter is fixedly arranged at the bottom end of the main shaft and can be used for forming a hole on a workpiece and forming a boss, so that one-step forming can be realized, and the processing efficiency is improved; the milling cutter is characterized in that the main shaft is provided with a plurality of sliding grooves, the first milling cutter is fixedly provided with a connecting piece, the connecting piece is in sliding connection with the inner wall of each sliding groove, the height difference between the first milling cutter and the second milling cutter can be changed, and then the height of the boss is adjusted.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a one-step forming tool for the size of an inner hole of a valve housing according to the present invention;

FIG. 2 is a schematic top cross-sectional view of the structure of FIG. 1;

FIG. 3 is a schematic view of the opening of the present invention.

Reference numbers in the figures: 1. a main shaft; 2. a first milling cutter; 3. a second milling cutter; 4. a chute; 5. a first cavity; 6. a slider; 7. connecting blocks; 8. a bolt; 9. a slide hole; 10. a slide bar; 11. a screw rod; 12. a second cavity; 13. a worm gear; 14. a worm; 15. a connecting member; 16. a through hole; 17. and (4) a boss.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1-3, the one-step forming tool for the inner hole size of the valve housing comprises: a main shaft 1; a plurality of first milling cutters 2, wherein the plurality of first milling cutters 2 are symmetrically arranged on the main shaft 1; and the second milling cutter 3 is fixedly arranged at the bottom end of the main shaft 1, can open a hole on a workpiece and form a boss 17, can be molded at one time, and improves the processing efficiency.

The milling cutter is characterized in that the main shaft 1 is provided with a plurality of sliding grooves 4, the first milling cutter 2 is fixedly provided with a connecting piece 15, the connecting piece 15 is connected with the inner walls of the sliding grooves 4 in a sliding manner, so that the first milling cutter 2 can be ensured to move stably on the main shaft 1, and the gap between the first milling cutter 2 and the main shaft 1 is reduced to a great extent.

A first cavity 5 is formed in the main shaft 1, a sliding block 6 is slidably mounted in the first cavity 5, the sliding block 6 is connected with a first milling cutter 2, a plurality of connecting blocks 7 are fixedly mounted on the sliding block 6, a bolt 8 is arranged on the first milling cutter 2, and the first milling cutter 2 is connected with the connecting blocks 7 through the bolts 8, so that the first milling cutter 2 can be replaced conveniently;

a plurality of slide openings 9 have been seted up on the inner wall of first cavity 5, fixed mounting has slide bar 10 in the slide opening 9, slide bar 10 and connecting block 7 sliding connection, lead screw 11 is installed to 5 internal rotations of first cavity,

lead screw

11 and 6 threaded connection of slider, second cavity 12 has been seted up on main shaft 1, the top of lead screw 11 extends to in the second cavity 12 and fixed mounting has worm wheel 13, worm 14 is installed to 12 internal rotations of second cavity, worm 14 and worm wheel 13 mesh, just the one end of worm 14 extends to outside and fixed mounting of second cavity 12 has the handle, is convenient for control first milling cutter 2 and slides on main shaft 1, is convenient for adjust first milling cutter 2.

The working principle of the one-step forming cutter for the size of the inner hole of the valve shell provided by the utility model is as follows:

in the device, a height difference exists between a first milling cutter 2 and a second milling cutter 3;

when the hole drilling machine is used, the main shaft 1 is arranged on a lathe, the lathe is started, the lathe drives the main shaft 1 to rotate, the main shaft 1 drives the first milling cutter 2 and the second milling cutter 3 to rotate, a hole can be drilled on a workpiece, and a boss 17 is formed at the bottom of the drilled through hole 16 due to the height difference between the first milling cutter 2 and the second milling cutter 3;

when the height of the boss 17 needs to be adjusted, the handle is rotated, the handle drives the worm 14 to rotate, the worm 14 drives the worm wheel 13 to rotate, the worm wheel 13 drives the screw rod 11 to rotate, the screw rod 11 drives the sliding block 6 to slide in the first cavity 5, the sliding block 6 drives the first milling cutter 2 to move upwards or downwards through the connecting block 7, and then the height difference between the first milling cutter 2 and the second milling cutter 3 can be changed, and further the height of the boss 17 is changed.

the utility model provides a valve housing inner hole size one-step forming cutter, wherein a plurality of first milling cutters 2 are symmetrically arranged on a main shaft 1, and a second milling cutter 3 is fixedly arranged at the bottom end of the main shaft 1 and can be used for forming a hole on a workpiece and forming a boss 17, so that one-step forming can be realized, and the processing efficiency is improved; the milling cutter is characterized in that the main shaft 1 is provided with a plurality of sliding grooves 4, the first milling cutter 2 is fixedly provided with a connecting piece 15, the connecting piece 15 is connected with the inner wall of each sliding groove 4 in a sliding mode, the height difference between the first milling cutter 2 and the second milling cutter 3 can be changed, and then the height of the boss 17 is adjusted.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a valve housing hole size one shot forming cutter which characterized in that includes:

a main shaft;

the first milling cutters are symmetrically arranged on the main shaft;

and the second milling cutter is fixedly arranged at the bottom end of the main shaft.

2. The tool for one-step forming of the inner hole size of the valve housing according to claim 1, wherein the main shaft is provided with a plurality of sliding grooves, the first milling cutter is fixedly provided with a connecting piece, and the connecting piece is slidably connected with the inner walls of the sliding grooves.

3. The tool for one-step forming of the inner hole size of the valve housing according to claim 1, wherein a first cavity is formed in the spindle, a sliding block is slidably mounted in the first cavity, and the sliding block is connected with a first milling cutter.

4. The tool for one-step forming of the inner hole size of the valve housing according to claim 3, wherein a plurality of connecting blocks are fixedly mounted on the sliding block, the first milling cutter is provided with bolts, and the first milling cutter and the connecting blocks are connected through the bolts.

5. The tool for one-step forming of the inner hole size of the valve housing according to claim 4, wherein a plurality of sliding holes are formed in the inner wall of the first cavity, sliding rods are fixedly installed in the sliding holes, and the sliding rods are slidably connected with the connecting blocks.

6. The tool for one-step forming of the size of the inner hole of the valve shell according to claim 3, wherein a screw rod is rotatably mounted in the first cavity and is in threaded connection with a sliding block.

7. The tool for one-step forming of the inner hole size of the valve housing according to claim 6, wherein a second cavity is formed in the spindle, the top end of the lead screw extends into the second cavity and is fixedly provided with a worm wheel, a worm is rotatably arranged in the second cavity and is meshed with the worm wheel, and one end of the worm extends out of the second cavity and is fixedly provided with a handle.