CN206536054U - A kind of fixed porous drill bit - Google Patents
A kind of fixed porous drill bit Download PDFInfo
- Publication number
- CN206536054U CN206536054U CN201720223452.5U CN201720223452U CN206536054U CN 206536054 U CN206536054 U CN 206536054U CN 201720223452 U CN201720223452 U CN 201720223452U CN 206536054 U CN206536054 U CN 206536054U
- Authority
- CN
- China
- Prior art keywords
- drill point
- withdrawing device
- head
- drill
- button
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model provides a kind of fixed porous drill bit, including drill point, withdrawing device, back-moving spring, driven gear, and the drill point is hollow cylinder, driven gear is provided with drill point, driven gear is fixed as one with drill point, for driving drill point to rotate.The withdrawing device is the cylindrical metal post that upper end carries button-head, and lower end is extend into drill point from the upper end hole of drill point, and back-moving spring is provided between the button-head of the upper end of drill point and withdrawing device.The beneficial effects of the utility model are：It is rational in infrastructure, it is simple to operate, it is easy to use, the button-head of withdrawing device upper end only need to be tapped, drilling tool can just be backed off, shortens the time of withdrawing.
Description
Technical field：
The utility model is related to a kind of fixed porous drill bit, belongs to technical field of lathe equipment.
Background technology：
Fixed porous drill bit is commonly called as multi-hole drill, multi-axis drilling machine, gang tool or cluster head, is that a kind of new hole adds
Construction equipment.It is installed in brill, folder cutter head attacked on lathe in fact, and is more than two axles to process drilling part or tapping simultaneously
Part, therefore claim multi-shaft device.Multi-hole drill can complete the processing in multiple holes in a plane simultaneously, may be mounted at bench drill, power
Used on first-class various drilling machines.It is to improve efficiency to reduce the Efficient lathe accessory of cost, the product quality processed is stable.It is existing
Fixed porous drill bit bottom provided with withdrawing hole, need staff to take a front end on the other hand to be wedge-shaped during withdrawing
In withdrawing instrument insertion withdrawing hole, the rear end of withdrawing instrument is then tapped with hammer, drill bit or cutter head could be unloaded, it is time-consuming to take
Power.
The content of the invention：
The purpose of this utility model is to provide a kind of simple to operate, is easy to the fixed porous drill bit of withdrawing.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of fixed porous drill bit, including drill point, withdrawing device, back-moving spring, driven gear, the drill point are open circles
Cylinder, is provided with driven gear, driven gear is fixed as one with drill point, for driving drill point to rotate on drill point.The withdrawing
Device is the cylindrical metal post that upper end carries button-head, and lower end is extend into drill point from the upper end hole of drill point, in the upper of drill point
Back-moving spring is provided between end and the button-head of withdrawing device, for supporting withdrawing device, is easy to withdrawing device to be resetted after moving downward.
The withdrawing device is less than the distance between button-head and drill point with installing the distance of drilling tool in its lower section.
The beneficial effects of the utility model are：It is rational in infrastructure, it is simple to operate, it is easy to use, only it need to tap withdrawing device
The button-head of upper end, can just back off drilling tool, shorten the time of withdrawing.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model.
Fig. 2 is use state figure of the present utility model.
In figure:1 drill point, 2 withdrawing devices, 3 back-moving springs, 4 driven gears.
Embodiment
As shown in Figure 1-2, a kind of fixed porous drill bit, including drill point（1）, withdrawing device（2）, back-moving spring（3）, it is driven
Gear（4）, the drill point（1）For hollow cylinder, in drill point（1）It is provided with driven gear（4）, driven gear（4）With drill point
（1）It is fixed as one, for driving drill point（1）Rotate.The withdrawing device（2）The cylindrical metal of button-head is carried for upper end
Post, lower end is from drill point（1）Upper end hole extend into drill point（1）It is interior, in drill point（1）Upper end and withdrawing device（2）Button-head
Between be provided with back-moving spring（3）, for supporting withdrawing device（2）, it is easy to withdrawing device（2）Resetted after moving downward.The withdrawing device
（2）With installing the distance of drilling tool in its lower section less than button-head and drill point（1）The distance between.
Operation principle and operating method：When needing withdrawing, withdrawing device is tapped with hammer（2）The button-head of upper end,
Withdrawing device（2）Move downward, its lower end strikes the upper end of drilling tool, and drilling tool is unloaded.In back-moving spring（3）In the presence of, move back
Knife device（2）Lay down and automatically reset after drilling tool, it is easy to operate, it is time saving and energy saving.
Claims (2)
1. a kind of fixed porous drill bit, including drill point, withdrawing device, back-moving spring, driven gear, the drill point are hollow cylinder
Body, is provided with driven gear on drill point, and driven gear is fixed as one with drill point；Withdrawing device is the circle that upper end carries button-head
Cylindricality metal column, lower end is extend into drill point from the upper end hole of drill point, between the button-head of the upper end of drill point and withdrawing device
Provided with back-moving spring.
2. fixed porous drill bit according to claim 1, it is characterised in that：The withdrawing device is bored in its lower section with installing
The distance of tool is less than the distance between button-head and drill point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720223452.5U CN206536054U (en) | 2017-03-08 | 2017-03-08 | A kind of fixed porous drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720223452.5U CN206536054U (en) | 2017-03-08 | 2017-03-08 | A kind of fixed porous drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206536054U true CN206536054U (en) | 2017-10-03 |
Family
ID=59940987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720223452.5U Expired - Fee Related CN206536054U (en) | 2017-03-08 | 2017-03-08 | A kind of fixed porous drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206536054U (en) |
-
2017
- 2017-03-08 CN CN201720223452.5U patent/CN206536054U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20200308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |