CN211360774U - Ultrahigh-hardness polishing drill bit - Google Patents
Ultrahigh-hardness polishing drill bit Download PDFInfo
- Publication number
- CN211360774U CN211360774U CN201921110966.5U CN201921110966U CN211360774U CN 211360774 U CN211360774 U CN 211360774U CN 201921110966 U CN201921110966 U CN 201921110966U CN 211360774 U CN211360774 U CN 211360774U
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- CN
- China
- Prior art keywords
- polishing
- cover
- cutting edge
- drill rod
- drill
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- 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
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 83
- 238000005553 drilling Methods 0.000 claims abstract description 35
- 230000006978 adaptation Effects 0.000 claims abstract description 8
- 230000002441 reversible effect Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910001315 Tool steel Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002023 wood Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
A polishing drill bit with ultrahigh hardness comprises a drill handle, a drill rod and a polishing sleeve, wherein a chip groove is formed in the drill rod, a thread is arranged in the chip groove, the direction of the thread is opposite to the rotation direction of the drill bit, a cutting edge is fixedly arranged at the front end of the drill rod, the width of the cutting edge is slightly larger than the diameter of the drill rod, a polishing disc is arranged at the rear end of the drill rod, the surface of one end of the polishing disc is connected with the drill rod, a polishing convex strip is arranged on the surface of one end of the polishing disc, and the; the cover of polishing sets up on the drilling rod, the diameter of the cover of polishing is unanimous with the width of cutting edge, it is equipped with the line of polishing on the cover outer wall to polish, be equipped with the guide block on the inner wall of cover of polishing, guide block and chip removal groove looks adaptation, the surface of guide block be equipped with the screw thread of the interior screw thread looks adaptation of chip removal groove, and the guide block is located the chip removal groove, make guide block and chip removal groove threaded connection, realize polishing the swing joint of cover and drilling rod, it can easily satisfy the needs of drilling and polishing to need not to change the other instrument of dress, work efficiency is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of drilling cutting tool, concretely relates to drill bit of polishing of super high rigidity.
Background
A drill bit is a commonly used tool for drilling through holes and blind holes in solid materials. When the existing drill bit drills holes, especially when the wood drills holes on the wood, broken wood chips form a circle of rough burrs around a hole opening to influence the smoothness of the drilled holes, and in order to keep the appearance, an additional tool is needed to polish the periphery of the drilled holes, so that the machining procedures of the drilled holes are increased; and when drilling, because the influence of saw-dust, the hole inslot wall surface of drilling can be very coarse, can't satisfy the demand of processing technology to influence the subsequent handling, consequently also need corresponding instrument to polish the polishing to the hole inslot wall, the drill bit of polishing in the corresponding aperture of electric drill repacking usually polishes the inner wall, has increased working strength in the intangible.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned problem discloses a drill bit of polishing of super high rigidity, need not more trepanning bit, can effectively polish to drilling inner wall and drilling entrance to a cave.
The specific technical scheme is as follows:
a polishing drill bit with ultrahigh hardness comprises a drill handle, a drill rod and a polishing sleeve, wherein a chip groove is formed in the drill rod, a thread is arranged in the chip groove, the thread extends to the tail end along the head end of the chip groove, the direction of the thread is opposite to the rotation direction of the drill bit, a cutting edge is fixedly arranged at the front end of the drill rod, the width of the cutting edge is slightly larger than the diameter of the drill rod, a polishing disc is arranged at the rear end of the drill rod, the polishing disc is of a circular structure, the surface of one end of the polishing disc is of an arc structure and is connected with the drill rod, a polishing convex strip is arranged on the arc surface of the polishing disc, and the other end; the cover of polishing is the round sleeve form, and sets up on the drilling rod, the diameter of the cover of polishing is unanimous with the width of cutting edge, is provided with the line of polishing on the outer wall of the cover of polishing, is provided with the guide block on the inner wall of the cover of polishing, the size shape of guide block with the size shape looks adaptation of chip groove, the surface of guide block is equipped with the screw thread looks adaptation in the chip groove, just the guide block is located in the chip groove for guide block and chip groove threaded connection through the rotation the cover of polishing to realize polishing the swing joint between cover and the drilling rod, and polish the cover when receiving the reverse action power of drilling inner wall, only can remove to the front end of drilling rod to the back end through the cutting edge is to the cover of polishing and is spacing.
Furthermore, the cutting edge is a triangular cutting edge, the rear end of the triangular cutting edge is embedded into the front end of the drill rod, and the drill rod and the triangular cutting edge are vertically penetrated through a bolt for fixing.
Further, the diameter of the polishing disc is larger than the width of the triangular cutting edge.
Furthermore, the material of the polishing sleeve is carbon tool steel.
Furthermore, the polishing convex strips are uniformly distributed along the radial direction of the polishing disc.
Further, the diameter of the inner wall of the grinding sleeve is consistent with that of the drill rod.
The utility model has the advantages that:
(1) the utility model discloses a chip groove carries out threaded connection on the cover of polishing and the drilling rod for when needs are polished to the drilling inner wall, through rotating the cover of polishing, make it remove to the front end of drilling rod, thereby polish the drilling inner wall under the drive of electric drill, need not to change the needs that other instrument of dress can easily satisfy drilling and polish, effectively improved work efficiency.
(2) The utility model discloses in through the sand grip of polishing on the arc surface of polishing dish one end, can polish around the entrance to a cave of drilling to effectively clear away the burr, make the entrance to a cave of drilling keep smooth clean and tidy, more pleasing to the eye.
Drawings
Fig. 1 is the structure schematic diagram of the utility model when the middle polishing sleeve moves to the rear end of the drill bit.
Fig. 2 is the structure diagram of the utility model when the middle polishing sleeve moves to the front end of the drill bit.
Fig. 3 is a left side view of the middle polishing sleeve of the utility model.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The utility model discloses in the fixed connection who mentions, fixed setting is the general connected mode among the mechanical field, and welding, bolt and nut are connected and the screw connection is all can.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Description of the reference numerals
1 drill handle, drill rod 2, chip groove 21, screw thread 211, grinding sleeve 3, guide block 31, grinding line 32, cutting edge 4, grinding disc 5 and grinding convex strip 51.
A polishing drill bit with ultrahigh hardness comprises a drill handle, a drill rod and a polishing sleeve, wherein a chip groove is formed in the drill rod, a thread is arranged in the chip groove, the thread extends to the tail end along the head end of the chip groove, the direction of the thread is opposite to the rotation direction of the drill bit, a cutting edge is fixedly arranged at the front end of the drill rod, the width of the cutting edge is slightly larger than the diameter of the drill rod, a polishing disc is arranged at the rear end of the drill rod, the polishing disc is of a circular structure, the surface of one end of the polishing disc is of an arc structure and is connected with the drill rod, a polishing convex strip is arranged on the arc surface of the polishing disc, and the other end; the cover of polishing is the round sleeve form, and sets up on the drilling rod, the diameter of the cover of polishing is unanimous with the width of cutting edge, is provided with the line of polishing on the outer wall of the cover of polishing, is provided with the guide block on the inner wall of the cover of polishing, the size shape of guide block with the size shape looks adaptation of chip groove, the surface of guide block is equipped with the screw thread looks adaptation in the chip groove, just the guide block is located in the chip groove for guide block and chip groove threaded connection through the rotation the cover of polishing to realize polishing the swing joint between cover and the drilling rod, and polish the cover when receiving the reverse action power of drilling inner wall, only can remove to the front end of drilling rod to the back end through the cutting edge is to the cover of polishing and is spacing.
Furthermore, the cutting edge is a triangular cutting edge, the rear end of the triangular cutting edge is embedded into the front end of the drill rod, and the drill rod and the triangular cutting edge are vertically penetrated through a bolt for fixing.
Further, the diameter of the polishing disc is larger than the width of the triangular cutting edge.
Furthermore, the material of the polishing sleeve is carbon tool steel.
Furthermore, the polishing convex strips are uniformly distributed along the radial direction of the polishing disc.
Further, the diameter of the inner wall of the grinding sleeve is consistent with that of the drill rod.
The working principle is as follows:
when polishing the drilling inner wall, through rotating the cover of polishing, make it remove to the front end of drilling rod for the electric drill drive down to the drilling inner wall polish, and when polishing the cover when receiving the reverse action force of drilling inner wall, only can remove to the front end of drilling rod, and the cover of polishing is spacing through the rear end of cutting edge to the cover of polishing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The polishing drill bit with ultrahigh hardness is characterized by comprising a drill handle, a drill rod and a polishing sleeve, wherein a chip groove is formed in the drill rod, a thread is arranged in the chip groove, the thread extends to the tail end along the head end of the chip groove, the direction of the thread is opposite to the rotating direction of the drill bit, a cutting edge is fixedly arranged at the front end of the drill rod, the width of the cutting edge is slightly larger than the diameter of the drill rod, a polishing disc is arranged at the rear end of the drill rod, the polishing disc is of a circular structure, the surface of one end of the polishing disc is of an arc-shaped structure and is connected with the drill rod, a polishing convex strip is arranged on the arc-shaped surface of the polishing disc, and; the cover of polishing is the round sleeve form, and sets up on the drilling rod, the diameter of the cover of polishing is unanimous with the width of cutting edge, is provided with the line of polishing on the outer wall of the cover of polishing, is provided with the guide block on the inner wall of the cover of polishing, the size shape of guide block with the size shape looks adaptation of chip groove, the surface of guide block is equipped with the screw thread looks adaptation in the chip groove, just the guide block is located in the chip groove for guide block and chip groove threaded connection through the rotation the cover of polishing to realize polishing the swing joint between cover and the drilling rod, and polish the cover when receiving the reverse action power of drilling inner wall, only can remove to the front end of drilling rod to the back end through the cutting edge is to the cover of polishing and is spacing.
2. An ultra-high hardness abrasive drilling bit according to claim 1, wherein said cutting edge is a triangular cutting edge, and a rear end of said triangular cutting edge is embedded in a front end of said drill rod and is fixed by a bolt vertically penetrating the drill rod and the triangular cutting edge.
3. The ultra-high hardness abrasive drill bit according to claim 2, wherein said abrasive disc has a diameter greater than a width of said triangular cutting edge.
4. The ultra-high hardness abrasive drill bit according to claim 1, wherein said abrasive sheath is made of carbon tool steel.
5. The ultra-high hardness abrasive drill bit according to claim 1, wherein said abrasive ribs are uniformly distributed along a radial direction of said abrasive disc.
6. An ultra-high hardness abrasive drilling bit according to claim 1, wherein the diameter of the inner wall of said abrasive sheath corresponds to the diameter of the drill rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110966.5U CN211360774U (en) | 2019-07-15 | 2019-07-15 | Ultrahigh-hardness polishing drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110966.5U CN211360774U (en) | 2019-07-15 | 2019-07-15 | Ultrahigh-hardness polishing drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211360774U true CN211360774U (en) | 2020-08-28 |
Family
ID=72162128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921110966.5U Expired - Fee Related CN211360774U (en) | 2019-07-15 | 2019-07-15 | Ultrahigh-hardness polishing drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211360774U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605442A (en) * | 2020-11-30 | 2021-04-06 | 石金珍 | Drilling generator capable of allowing steel balls to stably roll |
| CN113618406A (en) * | 2021-07-05 | 2021-11-09 | 刘文正 | Metal drilling and polishing integrated device |
-
2019
- 2019-07-15 CN CN201921110966.5U patent/CN211360774U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605442A (en) * | 2020-11-30 | 2021-04-06 | 石金珍 | Drilling generator capable of allowing steel balls to stably roll |
| CN113618406A (en) * | 2021-07-05 | 2021-11-09 | 刘文正 | Metal drilling and polishing integrated device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |