CN209272629U - It is a kind of for processing the cutting apparatus of inner hole symmetrical key - Google Patents
It is a kind of for processing the cutting apparatus of inner hole symmetrical key Download PDFInfo
- Publication number
- CN209272629U CN209272629U CN201822268336.2U CN201822268336U CN209272629U CN 209272629 U CN209272629 U CN 209272629U CN 201822268336 U CN201822268336 U CN 201822268336U CN 209272629 U CN209272629 U CN 209272629U
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- China
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- broaching tool
- processing
- pull rod
- cutting apparatus
- inner hole
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Abstract
The utility model discloses a kind of for processing the cutting apparatus of inner hole symmetrical key, including pull rod, mounting hole, the first broaching tool and the second broaching tool and driving assembly；The driving component includes the bearing block for being anchored on the pull rod end face, the drive shaft being arranged in the axis hole of the bearing block and the gear being engaged between first broaching tool and the broaching tool two lateral walls, the end fastening of the gear and the drive shaft；First broaching tool and second broaching tool are symmetrical arranged along plane where the axis of the pull rod.The cutting apparatus designed with this structure, driving shaft driven gear rotation can be passed through, then make the first broaching tool and the second broaching tool synchronization telescope, easily adjust its cutting position, furthermore, since first broaching tool and second broaching tool are symmetrical arranged along plane where the axis of the pull rod, thus the symmetry of keyway also can be effectively promoted, while being also able to ascend the processing efficiency of symmetrical key.
Description
Technical field
The utility model relates to mechanical equipment technical fields more particularly to a kind of for processing the cutting of inner hole symmetrical key
Device.
Background technique
Hole machined symmetrical key in elongated shaft, it is desirable that it is high, with conventional milling head processing, broaching machine processing, wire cutting, electrical fire
Equal processing methods processing is spent, is difficult to meet its requirement.
Utility model content
The purpose of this utility model is to provide a kind of for processing the cutting apparatus of inner hole symmetrical key, the cutting apparatus
Facilitate the adjusting of the first broaching tool and the second broaching tool, and can effectively promote the machining accuracy of symmetrical key.
For this purpose, the utility model uses following technical scheme:
It is a kind of for processing the cutting apparatus of inner hole symmetrical key, including pull rod, be coaxially opened in the pull rod close to vehicle
The mounting hole of chuck one end of bed, radially slide the first broaching tool for being inserted in the mounting hole two lateral walls and the second broaching tool,
And it is inserted in the mounting hole for driving the driving assembly of first broaching tool and the second broaching tool synchronization telescope；Institute
State driving assembly include the bearing block for being anchored on the pull rod end face, the drive shaft being arranged in the axis hole of the bearing block, with
And it is engaged in the gear between first broaching tool and the broaching tool two lateral walls, the end of the gear and the drive shaft
Fastening；First broaching tool and second broaching tool are symmetrical arranged along plane where the axis of the pull rod.
Wherein, the two lateral walls of first broaching tool and the described one end of second broaching tool far from cutter head are respectively provided with teeth
Item, the gear are meshed with first broaching tool and second broaching tool respectively.
Wherein, first broaching tool and second broaching tool one side wall opposite with the rack gear offer along its length
Groove, the groove are slidably matched with the radial positioning pin for being embedded in the pull rod outer peripheral surface.
Wherein, the bearing block includes flange, the axle sleeve in the mounting hole for being coaxially embedded in the flange and is covered on
Bearing (ball) cover of the axle sleeve far from described pull rod one end.
Wherein, the main part of the flange is inserted in the mounting hole, and the flange of the flange passes through screw and the drawing
The end face of bar fastens.
Wherein, one end that the drive shaft exposes to the axle sleeve is arranged with nut, the nut and the bearing (ball) cover
Coaxial threaded fastening.
Wherein, first broaching tool and second broaching tool are provided with step, the step side far from one end of cutter head
Rack gear is provided on the inside of wall, the lateral degree direction of the step one side wall offers the groove.
Wherein, the drive shaft is disposed with the axis body of multistage various outer diameter along its length.
The utility model has the beneficial effects that the utility model provides a kind of cutting dress for processing inner hole symmetrical key
Set, including pull rod, coaxially be opened in the pull rod close to chuck one end of lathe mounting hole, radially slide and be inserted in the peace
It fills the first broaching tool of hole two lateral walls and the second broaching tool and is inserted in the mounting hole for driving first broaching tool
With the driving assembly of the second broaching tool synchronization telescope；The driving component include the bearing block for being anchored on the pull rod end face,
The drive shaft that is arranged in the axis hole of the bearing block and be engaged in first broaching tool and the broaching tool two lateral walls it
Between gear, the end of the gear and the drive shaft fastens；First broaching tool and second broaching tool are along the pull rod
Axis where plane be symmetrical arranged.It, can be by driving shaft driven gear rotation, then with the cutting apparatus that this structure designs
So that the first broaching tool and the second broaching tool synchronization telescope, easily adjust its cutting position, further, since first broaching tool and institute
It states the second broaching tool to be symmetrical arranged along plane where the axis of the pull rod, thus also can effectively promote the symmetry of keyway, together
When also can effectively promote the processing efficiency of symmetrical key.
Detailed description of the invention
Fig. 1 is that the utility model is a kind of for processing the structural schematic diagram of the cutting apparatus of inner hole symmetrical key.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is section B-B figure in Fig. 2.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
In conjunction with shown in Fig. 1 to Fig. 3, a kind of for processing the cutting apparatus of inner hole symmetrical key, packet is present embodiments provided
Include pull rod 1, be coaxially opened in the pull rod 1 close to 21 one end of chuck of lathe mounting hole, radially slide and be inserted in the peace
It fills the first broaching tool 31 of hole two lateral walls and the second broaching tool 32 and is inserted in the mounting hole for driving described first
The driving assembly of broaching tool 31 and 32 synchronization telescope of the second broaching tool；The driving component includes being anchored on 1 end face of pull rod
Bearing block, the drive shaft 41 that is arranged in the axis hole of the bearing block and be engaged in first broaching tool 31 and the drawing
Gear 42 between knife two lateral walls, the gear 42 and the end of the drive shaft 41 fasten；First broaching tool, 31 He
Second broaching tool 32 is symmetrical arranged along plane where the axis of the pull rod 1.
Specifically, the adjustment of 32 cutting position of the first broaching tool 31 and the second broaching tool for convenience, and guarantee that the two can be same
Step is flexible, and in this implementation, the two lateral walls in first broaching tool 31 and the described one end of second broaching tool 32 far from cutter head are equal
It is provided with rack gear 43, the gear 42 is meshed with first broaching tool 31 and second broaching tool 32 respectively.
Further, in order to facilitate the installation of gear 42, the present embodiment is drawn in first broaching tool 31 and described second
Knife 32 is provided with step far from one end of cutter head, rack gear 43 is provided on the inside of the step one side wall, gear 42 is in drive shaft
41 when being rotated by, can the cutting position conveniently to the first broaching tool 31 and second broaching tool 32 adjust
Section.
In the present embodiment, preferably it is oriented to and determines in order to convenient played to the first broaching tool 31 and second broaching tool 32
The effect of position locking offers the groove 44, the groove 44 and diameter in the lateral degree direction of the step one side wall
It is slidably matched to the positioning pin 45 for being embedded in 1 outer peripheral surface of pull rod.In order to enable the first broaching tool 31 and second broaching tool 32
It is fixed after being adjusted in place, the positioning pin 45 in the present embodiment is used with pull rod 1 and is threadedly coupled, the first broaching tool 31 and institute
State after the second broaching tool 32 is adjusted to predetermined cutting position, positioning pin 45 locked, can traction by tool apron to pull rod 1, it is real
The synchronous cutting of existing symmetrical key.Stock-removing efficiency and cutting precision are effectively improved with this.
Further, bearing block described in the present embodiment includes flange 51, the mounting hole for being coaxially embedded in the flange 51
Interior axle sleeve 52 and it is covered on bearing (ball) cover 53 of the axle sleeve 52 far from described 1 one end of pull rod, the main body of the flange 51
Portion is inserted in the mounting hole, and the flange of the flange 51 is fastened by the end face of screw and the pull rod 1, the drive shaft 41
The one end for exposing to the axle sleeve 52 is arranged with nut 54, and the nut 54 is fastened with 53 coaxial threaded of bearing (ball) cover, institute
State the axis body that drive shaft 41 is disposed with multistage various outer diameter along its length.With the design of this structure, so that bearing block and drive
Moving axis 41 forms a shafting, and then passes through the rotation of gear 42, conveniently adjusts the first broaching tool 31 and described second and draws
The cutting position of knife 32 adapts to the cutting of symmetrical key with this.
The application method of the present embodiment are as follows: this pull rod 1 is fixed on sleeping carriage carriage 22, workpiece 6 is fixed on sleeping carriage
Chuck 21 on, be rigidly connected chuck 21 and lathe bed are fixed.By in the first broaching tool 31 and the second broaching tool 32 insertion pull rod 1, adjust
Distance has been saved, by the mounting hole in the shafting insertion pull rod 1 equipped with gear 42, has been fixed with bolt, locking positioning pin 45,
Reference dimension is looked for lathe and is processed.First knife after processing is completed, unclamps positioning pin 45, rotates drive shaft 41 to adjust the first drawing
The working width of knife 31 and the second broaching tool 32, then lock, continue to be machined to size requirement by the location dimension of lathe.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (8)
1. a kind of for processing the cutting apparatus of inner hole symmetrical key, it is characterised in that: including pull rod, be coaxially opened in the drawing
Bar close to chuck one end of lathe mounting hole, radially slide and be inserted in the first broaching tools and of the mounting hole two lateral walls
It two broaching tools and is inserted in the mounting hole for driving the driving of first broaching tool and the second broaching tool synchronization telescope
Component；The driving component includes the bearing block for being anchored on the pull rod end face, the drive being arranged in the axis hole of the bearing block
Moving axis and the gear being engaged between first broaching tool and the broaching tool two lateral walls, the gear and the driving
The end of axis fastens；First broaching tool and second broaching tool are symmetrical arranged along plane where the axis of the pull rod.
2. according to claim 1 a kind of for processing the cutting apparatus of inner hole symmetrical key, it is characterised in that: described
The two lateral walls of one broaching tool and the described one end of second broaching tool far from cutter head are provided with rack gear, the gear respectively with it is described
First broaching tool and second broaching tool are meshed.
3. according to claim 2 a kind of for processing the cutting apparatus of inner hole symmetrical key, it is characterised in that: described
One broaching tool and second broaching tool one side wall opposite with the rack gear open up fluted, the groove and radial direction along its length
The positioning pin for being embedded in the pull rod outer peripheral surface is slidably matched.
4. according to claim 1 a kind of for processing the cutting apparatus of inner hole symmetrical key, it is characterised in that: the axis
Seat is held to include flange, the axle sleeve in the mounting hole for being coaxially embedded in the flange and be covered on the axle sleeve far from the drawing
The bearing (ball) cover of bar one end.
5. according to claim 4 a kind of for processing the cutting apparatus of inner hole symmetrical key, it is characterised in that: the method
Blue main part is inserted in the mounting hole, and the flange of the flange is fastened by the end face of screw and the pull rod.
6. according to claim 4 a kind of for processing the cutting apparatus of inner hole symmetrical key, it is characterised in that: the drive
One end that moving axis exposes to the axle sleeve is arranged with nut, and the nut and the bearing (ball) cover coaxial threaded fasten.
7. according to claim 3 a kind of for processing the cutting apparatus of inner hole symmetrical key, it is characterised in that: described
One broaching tool and second broaching tool are provided with step far from one end of cutter head, are provided with rack gear on the inside of the step one side wall,
The lateral degree direction of the step one side wall offers the groove.
8. according to claim 2 a kind of for processing the cutting apparatus of inner hole symmetrical key, it is characterised in that: the drive
Moving axis is disposed with the axis body of multistage various outer diameter along its length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268336.2U CN209272629U (en) | 2018-12-29 | 2018-12-29 | It is a kind of for processing the cutting apparatus of inner hole symmetrical key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268336.2U CN209272629U (en) | 2018-12-29 | 2018-12-29 | It is a kind of for processing the cutting apparatus of inner hole symmetrical key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209272629U true CN209272629U (en) | 2019-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822268336.2U Active CN209272629U (en) | 2018-12-29 | 2018-12-29 | It is a kind of for processing the cutting apparatus of inner hole symmetrical key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209272629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227263A (en) * | 2021-12-23 | 2022-03-25 | 东方电气集团东方汽轮机有限公司 | Numerical control machine tool for machining inner hole key groove of long and thin cylinder part |
-
2018
- 2018-12-29 CN CN201822268336.2U patent/CN209272629U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227263A (en) * | 2021-12-23 | 2022-03-25 | 东方电气集团东方汽轮机有限公司 | Numerical control machine tool for machining inner hole key groove of long and thin cylinder part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190930 Address after: Airport Industrial Park in Jiangsu province Nanjing City Xijing road 211153 Jiangning economic and Technological Development Zone Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee after: Nanjing Ningjia Machinery & Electronics Co., Ltd. Address before: Airport Industrial Park in Jiangsu province Nanjing City Xijing road 211153 Jiangning economic and Technological Development Zone Patentee before: Nanjing Ningjia Machinery & Electronics Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210012 Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: Airport Industrial Park in Jiangsu province Nanjing City Xijing road 211153 Jiangning economic and Technological Development Zone Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee before: NANJING NINGJIA ELECTROMECHANICAL Co.,Ltd. |
|
| TR01 | Transfer of patent right |