CN204036543U - A kind of adjustable wood drill bit - Google Patents
A kind of adjustable wood drill bit Download PDFInfo
- Publication number
- CN204036543U CN204036543U CN201420448537.XU CN201420448537U CN204036543U CN 204036543 U CN204036543 U CN 204036543U CN 201420448537 U CN201420448537 U CN 201420448537U CN 204036543 U CN204036543 U CN 204036543U
- Authority
- CN
- China
- Prior art keywords
- mounting blocks
- mounting groove
- blade
- bit
- bearer plate
- 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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- Drilling Tools (AREA)
Abstract
A kind of adjustable wood drill bit, comprise a blade, and be located at the cutter head in front of this blade, the front end of this cutter head is extended with taper bit forward, the rear of this taper bit is provided with main cutting edge and circular cutter, the rear end of described cutter head offers mounting groove, the axis of this mounting groove and the axis perpendicular of described taper bit, a mounting blocks is provided with in this mounting groove, this mounting blocks can along described mounting groove axial slip, when being fixed in described mounting groove after mounting blocks slippage puts in place, the front end of this mounting blocks is provided with described circular cutter, described circular cutter and main cutting edge lay respectively at the both sides of described taper bit.The beneficial effects of the utility model are: adopt said structure, only need one solid center bit can be bored the hole of different large small-bore, applied widely, and lightweight, easy to carry, and cost is low.
Description
Technical field
The utility model relates to a kind of boring bar tool, particularly relates to a kind of adjustable wood drill bit, is mainly used in the nonmetallic materials such as timber, plastics cutting drilling.
Background technology
At present, in the boring of the nonmetallic materials such as timber and plastics, the solid center bit used mainly comprises a blade and is located at the cutter head in front of this blade, and the front end of this cutter head is extended with taper bit forward, and the rear of this taper bit is provided with main cutting edge and circular cutter.In bore operation process, the tip of taper bit is aimed at by the center of holing, after taper bit enters material, not only play the effect of centralized positioning, and itself can produce pulling force thus more go deep into drilled material, along with the close also contact material of taper bit, circular cutter is subdrilling circle on material in advance, and along with the rotation of taper bit, circular cutter can bore darker and darker, and drilled material is cut off from circumference, meanwhile, main cutting edge thoroughly can machine away the material in circumference, thus forms a circular hole.The shortcoming that this solid center bit also exists is: this solid center bit can only bore a kind of hole of aperture, narrow application range, and for boring the hole of different large small-bore, need outfit many solid center bit of different size, the weight ratio of a set of solid center bit is comparatively large, and cost compare is high, carries inconvenience.
Summary of the invention
There is above-mentioned deficiency to overcome in prior art, the utility model provides a kind of simple and compact for structure, wide accommodation, the adjustable wood drill bit that lightweight, cost is low, easy to carry.
The technical scheme in the invention for solving the technical problem is: a kind of adjustable wood drill bit, comprise a blade, and be located at the cutter head in front of this blade, the front end of this cutter head is extended with taper bit forward, the rear of this taper bit is provided with main cutting edge and circular cutter, the rear end of described cutter head offers mounting groove, the axis of this mounting groove and the axis perpendicular of described taper bit, a mounting blocks is provided with in this mounting groove, this mounting blocks can along described mounting groove axial slip, when being fixed in described mounting groove after mounting blocks slippage puts in place, the front end of this mounting blocks is provided with described circular cutter, described circular cutter and main cutting edge lay respectively at the both sides of described taper bit.
Further, the rear end of described mounting blocks is provided with the inclined-plane one of described taper bit dorsad, described blade is provided with spring bearer plate, the rear end of this spring bearer plate is connected with described blade, the front end of this spring bearer plate is provided with the inclined-plane two matched with described inclined-plane one, described blade is provided with the screwed hole near described mounting groove, position corresponding with described screwed hole on described spring bearer plate is provided with installing hole, also comprise a screw, this screw is through being connected with described screwed hole screw thread after described installing hole thus making the inclined-plane two of described spring bearer plate be pressed on the inclined-plane one of described mounting blocks.When regulating, mounting blocks is put in place, even if the diameter of a circle that circular cutter cuts out reaches requirement along mounting groove slippage, then screw is tightened, screw makes the front end of spring bearer plate near blade, and the inclined-plane two on spring bearer plate is pressed on the inclined-plane one of mounting blocks, thus is fixed on cutter head by mounting blocks.
Further, the rear end of described mounting blocks is provided with rule, and described spring bearer plate is provided with the alignment line relative with described rule, makes alignment line relative with certain value on rule, thus can know the diameter of a circle that circular cutter cuts out, and regulates more accurate.
Further, described blade and spring bearer plate one-body molded, simple and compact for structure.
Further, described blade, cutter head, taper bit and main cutting edge are one-body molded, simple and compact for structure.
Further, described mounting blocks and circular cutter one-body molded, simple and compact for structure.
The mode of operation of solid center bit when cutting drilling of the mode of operation of the utility model when cutting drilling and prior art is the same, does not repeat them here.The utility model is when boring the hole of different large small-bore, the diameter of a circle that mounting blocks is cut out along the circular cutter that mounting groove moves on mounting blocks is only needed to reach requirement, then mounting blocks is fixed in mounting groove, adjustment of the present utility model can be realized, thus make the utility model can bore the hole of different large small-bore, applied widely, lightweight, easy to carry, cost is low.
The beneficial effects of the utility model are: adopt said structure, only need one solid center bit can be bored the hole of different large small-bore, applied widely, and lightweight, easy to carry, and cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of an angle of the present utility model.
Fig. 2 is the structural representation of another angle of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 1, Fig. 2, a kind of adjustable wood drill bit, comprise a blade 1, and be located at the cutter head 2 in front of this blade, the front end of this cutter head is extended with forward taper bit 3, the rear of this taper bit is provided with main cutting edge 4 and circular cutter 5, the rear end of described cutter head 2 offers mounting groove 6, the axis of this mounting groove 6 and the axis perpendicular of described taper bit 3, a mounting blocks 7 is provided with in this mounting groove, this mounting blocks 7 can along described mounting groove 6 axial slip, when being fixed in described mounting groove 6 after mounting blocks 7 slippage puts in place, the front end of this mounting blocks 7 is provided with described circular cutter 5, described circular cutter 5 and main cutting edge 4 lay respectively at the both sides of described taper bit 3.
The rear end of described mounting blocks 7 is provided with the inclined-plane 1 of described taper bit dorsad, described blade is provided with spring bearer plate 9, the rear end of this spring bearer plate 9 is connected with described blade 1, the front end of this spring bearer plate 9 is provided with the inclined-plane 2 10 matched with described inclined-plane one, described blade is provided with the screwed hole near described mounting groove, position corresponding with described screwed hole on described spring bearer plate is provided with installing hole, also comprise a screw 11, this screw 11 is through being connected with described screwed hole screw thread after described installing hole thus making the inclined-plane 2 10 of described spring bearer plate be pressed on the inclined-plane 1 of described mounting blocks.When regulating, mounting blocks 7 is put in place along mounting groove 6 slippage, even if the diameter of a circle that circular cutter 5 cuts out reaches requirement, then screw 11 is tightened, screw 11 makes the front end of spring bearer plate 9 near blade 1, inclined-plane 2 10 on spring bearer plate is pressed on the inclined-plane 1 of mounting blocks, thus is fixed on cutter head 2 by mounting blocks 7.
The rear end of described mounting blocks 7 is provided with rule 12, described spring bearer plate 9 is provided with the alignment line 13 relative with described rule, make alignment line 13 relative with certain value on rule 12, thus the diameter of a circle that circular cutter 5 cuts out can be known, regulate more accurate.
Described blade 1 is one-body molded, simple and compact for structure with spring bearer plate 9.
Described blade 1, cutter head 2, taper bit 3 and main cutting edge 4 are one-body molded, simple and compact for structure.
Described mounting blocks 7 is one-body molded, simple and compact for structure with circular cutter 5.
The mode of operation of solid center bit when cutting drilling of the mode of operation of the utility model when cutting drilling and prior art is the same, does not repeat them here.The utility model is when boring the hole of different large small-bore, the diameter of a circle that mounting blocks is cut out along the circular cutter that mounting groove moves on mounting blocks is only needed to reach requirement, then mounting blocks is fixed in mounting groove, adjustment of the present utility model can be realized, thus make the utility model can bore the hole of different large small-bore, applied widely, lightweight, easy to carry, cost is low.
Claims (6)
1. an adjustable wood drill bit, comprise a blade, and be located at the cutter head in front of this blade, the front end of this cutter head is extended with taper bit forward, the rear of this taper bit is provided with main cutting edge and circular cutter, it is characterized in that: the rear end of described cutter head offers mounting groove, the axis of this mounting groove and the axis perpendicular of described taper bit, a mounting blocks is provided with in this mounting groove, this mounting blocks can along described mounting groove axial slip, when being fixed in described mounting groove after mounting blocks slippage puts in place, the front end of this mounting blocks is provided with described circular cutter, described circular cutter and main cutting edge lay respectively at the both sides of described taper bit.
2. according to adjustable wood drill bit according to claim 1, it is characterized in that: the rear end of described mounting blocks is provided with the inclined-plane one of described taper bit dorsad, described blade is provided with spring bearer plate, the rear end of this spring bearer plate is connected with described blade, the front end of this spring bearer plate is provided with the inclined-plane two matched with described inclined-plane one, described blade is provided with the screwed hole near described mounting groove, position corresponding with described screwed hole on described spring bearer plate is provided with installing hole, also comprise a screw, this screw is through being connected with described screwed hole screw thread after described installing hole thus making the inclined-plane two of described spring bearer plate be pressed on the inclined-plane one of described mounting blocks.
3. according to adjustable wood drill bit according to claim 2, it is characterized in that: the rear end of described mounting blocks is provided with rule, described spring bearer plate is provided with the alignment line relative with described rule.
4., according to the adjustable wood drill bit described in Claims 2 or 3, it is characterized in that: described blade and spring bearer plate one-body molded.
5., according to the adjustable wood drill bit described in claim 1 or 2 or 3, it is characterized in that: described blade, cutter head, taper bit and main cutting edge are one-body molded.
6., according to the adjustable wood drill bit described in claim 1 or 2 or 3, it is characterized in that: described mounting blocks and circular cutter one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448537.XU CN204036543U (en) | 2014-08-11 | 2014-08-11 | A kind of adjustable wood drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448537.XU CN204036543U (en) | 2014-08-11 | 2014-08-11 | A kind of adjustable wood drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204036543U true CN204036543U (en) | 2014-12-24 |
Family
ID=52237251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420448537.XU Expired - Fee Related CN204036543U (en) | 2014-08-11 | 2014-08-11 | A kind of adjustable wood drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204036543U (en) |
-
2014
- 2014-08-11 CN CN201420448537.XU patent/CN204036543U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20200811 |