CN207942068U

CN207942068U - A kind of screw-thread mill

Info

Publication number: CN207942068U
Application number: CN201820177461.XU
Authority: CN
Inventors: 苏德斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-01
Filing date: 2018-02-01
Publication date: 2018-10-09
Anticipated expiration: 2028-02-01

Abstract

The utility model discloses a kind of screw-thread mills, belong to technical field of processing equipment.Including pedestal and the column being set on the base I and column II, it is arranged with transmission device between column I and column II, is equipped with eccentric cutter holder below transmission device, eccentric cutter holder lower end is connected with mandrel, for use cutter is arranged in mandrel；The pedestal is equipped with the seat ring that for use cutter can free in and out, and seat ring is located at immediately below for use cutter, and seat ring is between column I and column II；The transmission device is connected with motor.Present apparatus collection bore hole, milling silk are disposably completed, and the screw hole processing being suitable on the narrow planes such as similar seat ring, and can effectively improve processing efficiency and quality.

Description

A kind of screw-thread mill

Technical field

The utility model is specifically related to a kind of screw-thread mill, belongs to technical field of processing equipment.

Background technology

Continuous improvement with each power station to equipment requirement, generating equipment building site processing trend become clear day by day.Because of building site ring Border is limited, more demanding to processing precision of products, and then for the product for needing progress building site processing, needs more professional add Construction equipment.Wherein, screw-thread mill equipment is to be directed to the medium-and-large-sized component of water power product（Such as seat ring, rotor center part）Building site spiral shell A kind of process equipment in hole, such as the generating set seat ring scene screw thread process of hydraulic power plant, high-speed milling screw thread, for one kind Advanced Screw thread process method.

State knows that office discloses a kind of Publication No. CN2520981 on November 20th, 2002, and patent name is a kind of " screw thread The utility model patent of whirling mill "；And disclose a kind of Publication No. CN2145668, proprietary term on November 10th, 1993 The referred to as utility model patent of " external waveshape thread milling apparatus ", the device involved by the two pieces patent is more complex, takes up an area face Product is wide, the processing being unsatisfactory in narrow space, meanwhile, machining accuracy is relatively low, cannot meet process requirements.

Utility model content

The utility model aims to solve the problem that prior art problem, and proposes a kind of screw-thread mill.Present apparatus collection bore hole, milling Silk is disposable to be completed, and processing efficiency and quality are effectively improved.

In order to achieve the above technical purposes, the following technical solution is proposed：

A kind of screw-thread mill, including pedestal and the column I and column II that are set on the base, column I and column II it Between be arranged with transmission device, eccentric cutter holder is equipped with below transmission device, eccentric cutter holder lower end is connected with mandrel, is arranged and needs in mandrel Use cutter；The pedestal is equipped with the seat ring that for use cutter can free in and out, and seat ring is located at immediately below for use cutter, and at seat ring Between column I and column II；The transmission device is connected with motor.

The pedestal both sides are respectively equipped with magnet base.

The motor includes main motor and lifting motor.

The transmission device includes lead screw and the gear set that is set on lead screw, lead screw setting column I and column II it Between, and lead screw bottom end is fixed on the base, top is fixed in fixed seat, and gear set is connected with lifting motor, meanwhile, gear set is also It is connect with the outer sleeve gear of main motor main shaft.

Retarder is equipped between the gear set and lifting motor.

The lifting motor is Delta servo motor.

Retarder is equipped between the gear set and main motor.

The main motor is Delta servo motor.

Also be arranged with spindle box between the column I and column II, gear set is arranged in spindle box, lead screw longitudinally through Spindle box.

The lead screw is ball screw.

In the technical scheme, the device is mainly used for thread millings.In milling silk, single screw pitch is set as fixed value P, is led Motor and lifting motor work at the same time, and power is passed to gear set by lifting motor by retarder, and gear set is connected with lead screw, into And lead screw screw pitch is P；One circle of gear rotation, gear set decline pitch P, gear set and main motor spindle jacket cylinder gear along lead screw Connection, transmission ratio 1：1, and gear set, main motor and lifting motor etc. are relatively fixed together by spindle box body, work as tooth When wheel group declines P, entire spindle box body declines P；Meanwhile main motor individually carries out milling, to reach thread milling function.

Using the technical program, the advantageous effects brought are：

1）In the present invention, collection bore hole, milling silk are disposably completed, and the spiral shell being suitable on the narrow planes such as similar seat ring Hole machined, and processing efficiency and quality can be effectively improved；

2）In the present invention, the setting of double columns is basic support element, while providing up and down motion for transmission device Track.And transmission device is arranged between column I and column II, centre position is main shaft, for use cutter and transmission device Space is stopped in equal up and down motions, and makes whole device compact-sized；

3）In the present invention, the setting of transmission device is driven underdrive on main shaft, is driven using servo motor, is led to It crosses gear set and lead screw is completed, and then drive the movement of for use cutter；

4）In the present invention, the seat ring that for use cutter can free in and out is additionally provided on pedestal, seat ring is located at for use knife Immediately below tool, on the one hand the setting of seat ring can enhance the intensity of pedestal, on the other hand can be used for positioning disk centering, centering It is more convenient；

5）In the present invention, motor includes main motor and lifting motor, and main motor and lifting motor are Delta Servo motor, the setting can accurately control transmission device, main shaft and the operation of for use cutter, improve the effective of present apparatus work Property, and then it is effectively improved the processing efficiency and quality of the present apparatus；

6）In the present invention, it is equipped with retarder between gear set and lifting motor, is set between gear set and main motor There is a retarder, the setting of retarder improves output torque, reduces load, improves the controllability and uniformly of gear set and lead screw work Property, and then effectively improve the working efficiency and quality of the present apparatus；

7）In the present invention, pedestal both sides are respectively equipped with magnet base, and fixed whole device makes whole device fix more To be reliable, and then it is suitble to screw hole processing on narrow plane, and it is more convenient to install positioning.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model

Fig. 2 is the utility model structure top view

In figure, 1, pedestal, 2, column I, 3, column II, 4, transmission device, 401, lead screw, 402, gear set, 5, eccentric knife Frame, 6, mandrel, 7, seat ring, 8, magnet base, 9, main motor, 10, lifting motor, 11, retarder, 12, spindle box, 13, fixed seat.

Specific implementation mode

Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to In the range of the utility model protection.

Embodiment 1

A kind of screw-thread mill, including pedestal 1 and the column I 2 and column II 3 that are arranged on pedestal 1, column I 2 and column Transmission device 4 is arranged between II 3,4 lower section of transmission device is equipped with eccentric cutter holder 5, and 5 lower end of eccentric cutter holder is connected with mandrel 6, mandrel For use cutter is arranged on 6；The pedestal 1 is equipped with the seat ring 7 that for use cutter can free in and out, and seat ring 7 is located at for use cutter Underface, and seat ring 7 is between column I 2 and column II 3；The transmission device 4 is connected with motor.

Embodiment 2

1 both sides of the pedestal are respectively equipped with magnet base 8.

Spindle box 12 is also arranged between the column I 2 and column II 3, gear set 402 is arranged in spindle box 12, silk Bar 401 is longitudinally through spindle box 12.

The lead screw 401 is ball screw.

Embodiment 3

The motor includes main motor 9 and lifting motor 10.

The transmission device 4 includes lead screw 401 and the gear set 402 being set on lead screw 401, and the setting of lead screw 401 is vertical Between column I 2 and column II 3, and 401 bottom end of lead screw is fixed on pedestal 1, and top is fixed in fixed seat 13, and gear set 402 connects There is lifting motor 10, meanwhile, gear set 402 is also connect with the outer sleeve gear of 9 main shaft of main motor.

The lifting motor 10 is Delta servo motor.

The main motor 9 is Delta servo motor.

Embodiment 4

The motor includes main motor 9 and lifting motor 10.

Retarder 11 is equipped between the gear set 402 and lifting motor 10.

Embodiment 5

As shown in Figs. 1-2：A kind of screw-thread mill, including pedestal 1 and the column I 2 and column II 3 that are arranged on pedestal 1, Transmission device 4 is arranged between column I 2 and column II 3,4 lower section of transmission device is equipped with eccentric cutter holder 5, and 5 lower end of eccentric cutter holder connects There is mandrel 6, for use cutter is arranged in mandrel 6；The pedestal 1 is equipped with the seat ring 7 that for use cutter can free in and out, seat ring 7 Immediately below for use cutter, and seat ring 7 is between column I 2 and column II 3；The transmission device 4 is connected with motor.

1 both sides of the pedestal are respectively equipped with magnet base 8.

The motor includes main motor 9 and lifting motor 10.

The transmission device 4 includes ball screw 401 and the gear set 402 being set on ball screw 401, ball screw 401 are arranged between column I 2 and column II 3, and 401 bottom end of ball screw is fixed on pedestal 1, and top is fixed on fixed seat On 13, gear set 402 is connect with lifting motor 10, meanwhile, gear set 402 is also connect with the outer sleeve gear of 9 main shaft of main motor.

Retarder 11 is equipped between the gear set 402 and lifting motor 10.

The lifting motor 10 is the Delta servo motor of power 0.75Kw, and main motor 9 is the Delta servo of power 3.0Kw Motor.

Retarder 11 is equipped between the gear set 402 and main motor 9.

Column I 2 and II 3 material of column are ZG230-450, and 402 lifting speed of gear set is 110mm/min；It is interior when milling silk Thread milling range M64~M130.

Claims

1. a kind of screw-thread mill, it is characterised in that：Including pedestal（1）And it is arranged in pedestal（1）On column I（2）And column Ⅱ（3）, column I（2）With column II（3）Between be arranged with transmission device（4）, transmission device（4）Lower section is equipped with eccentric cutter holder （5）, eccentric cutter holder（5）Lower end is connected with mandrel（6）, mandrel（6）On be arranged with for use cutter；The pedestal（1）It is equipped with for use The seat ring that cutter can free in and out（7）, seat ring（7）Immediately below for use cutter, and seat ring（7）In column I（2）With column Ⅱ（3）Between；The transmission device（4）It is connected with motor.

2. screw-thread mill according to claim 1, it is characterised in that：The pedestal（1）Both sides are respectively equipped with magnet base （8）.

3. screw-thread mill according to claim 1, it is characterised in that：The motor includes main motor（9）With lifting electricity Machine（10）.

4. screw-thread mill according to claim 3, it is characterised in that：The transmission device（4）Including lead screw（401）And It is set in lead screw（401）On gear set（402）, lead screw（401）It is arranged in column I（2）With column II（3）Between, and lead screw （401）Bottom end is fixed on pedestal（1）On, top is fixed on fixed seat（13）On, gear set（402）It is connected with lifting motor（10）, Meanwhile gear set（402）Also with main motor（9）The outer sleeve gear of main shaft connects.

5. screw-thread mill according to claim 4, it is characterised in that：The gear set（402）With lifting motor（10） Between be equipped with retarder（11）.

6. according to the screw-thread mill described in claim 3 or 4 or 5, it is characterised in that：The lifting motor（10）It is watched for Delta Take motor.

7. screw-thread mill according to claim 4, it is characterised in that：The gear set（402）With main motor（9）Between Equipped with retarder（11）.

8. according to the screw-thread mill described in claim 3 or 4 or 7, it is characterised in that：The main motor（9）For Delta servo Motor.

9. screw-thread mill according to claim 4, it is characterised in that：The column I（2）With column II（3）Between also It is arranged with spindle box（12）, gear set（402）It is arranged in spindle box（12）It is interior, lead screw（401）Longitudinally through spindle box（12）.

10. screw-thread mill according to claim 4, it is characterised in that：The lead screw（401）For ball screw.