CN113021201A - Portable manual blade grinding twist drill device - Google Patents
Portable manual blade grinding twist drill device Download PDFInfo
- Publication number
- CN113021201A CN113021201A CN202110337910.9A CN202110337910A CN113021201A CN 113021201 A CN113021201 A CN 113021201A CN 202110337910 A CN202110337910 A CN 202110337910A CN 113021201 A CN113021201 A CN 113021201A
- Authority
- CN
- China
- Prior art keywords
- twist drill
- plate
- placing groove
- grinding wheel
- drill device
- 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.)
- Pending
Links
- 238000003825 pressing Methods 0.000 claims description 15
- 229910001651 emery Inorganic materials 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
- B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
Abstract
The invention relates to the technical field of twist drill edge grinding devices, and provides a portable manual edge grinding twist drill device which comprises a plate, wherein a groove plate is provided with a placing groove for placing a twist drill; a limiting component is arranged above the placing groove and comprises a limiting component, and the limiting component is used for limiting the twist drill to do reciprocating linear motion along the direction vertical to the central line of the placing groove; one end of the placing groove is provided with a grinding wheel and a driving mechanism for driving the grinding wheel to rotate around the axis of the placing groove, and the included angle between the axis of the grinding wheel and the central line of the placing groove is alpha; the problem of among the prior art through manual operation abrasive machine sharpening twist drill, and the use occasion of abrasive machine is limited, has higher safe risk is solved, spacing subassembly, emery wheel and actuating mechanism all can install on the frid or frid, spacing subassembly, emery wheel and actuating mechanism install on same bottom plate, compact structure, the volume is less, is applicable to the occasion that does not have the abrasive machine, satisfies the sharpening requirement.
Description
Technical Field
The invention relates to the technical field of twist drill sharpening devices, in particular to a portable manual twist drill sharpening device.
Background
The common hole machining method is operated by the twist drill, but in the drilling process of the twist drill, the friction between cutting chips and the twist drill and the inner wall of a hole is large due to the fact that the cutting chips are difficult to discharge, the machining temperature is sharply increased, the abrasion of the twist drill is directly accelerated, and meanwhile, the abrasion is also aggravated due to the fact that the twist drill is poor in rigidity and weak in strength.
If the twist drill is directly scrapped after being worn, huge waste is undoubtedly caused, so the worn twist drill needs to be sharpened, and the cutting performance of the twist drill is recovered; the prior sharpening method is mainly to manually sharpen the blade on a grinding machine, and has the following defects: when in sharpening, a grinding machine is needed, so that the sharpening can not be carried out on the occasion without the grinding machine; secondly, when the grinding machine is used, the grinding wheel rotating at high speed is easy to explode, and dust is easy to generate, so that the life health of people is threatened; meanwhile, the twist drill is manually sharpened, so that the requirements on technical personnel are also improved, and the economic burden on enterprises is increased.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a portable manual sharpening twist drill device, which solves the problems that in the prior art, a grinding machine is operated manually to sharpen a twist drill, the use occasion of the grinding machine is limited, and higher safety risk exists.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the portable manual sharpening twist drill device comprises a groove plate, wherein a placing groove for placing a twist drill is formed in the groove plate;
a limiting component is arranged above the placing groove and comprises a limiting component, and the limiting component is used for limiting the twist drill to do reciprocating linear motion along the direction vertical to the central line of the placing groove;
one end of the placing groove is provided with a grinding wheel and a driving mechanism for driving the grinding wheel to rotate around the axis of the placing groove, and the included angle between the axis of the grinding wheel and the central line of the placing groove is alpha.
Furthermore, the twist drill device also comprises a rotary disc ring sleeved on the cylindrical section of the twist drill, a plurality of rotary disc screws are circumferentially arranged on the ring wall of the rotary disc ring, the rotary disc screws are in threaded connection with the rotary disc ring, and the axis of each rotary disc screw penetrates through the circle center of the rotary disc ring.
Further, the cross-section of the placing groove is V-shaped.
Furthermore, the limiting assembly further comprises a pressing plate, one end of the pressing plate is rotatably connected with the groove plate through a loose joint rod, the other end of the pressing plate is provided with a fixing notch through which the fixing piece penetrates, the fixing piece is connected with the groove plate, and the limiting piece is connected with the pressing plate.
Furthermore, the limiting part is a limiting screw rod, and a threaded hole in threaded connection with the limiting screw rod is formed in the pressing plate.
Further, the mounting includes and is connected set screw with the frid rotation, and the cover is equipped with fixation nut on the set screw.
Furthermore, one end of the limiting part in contact with the twist drill is provided with two contact rollers in a mirror image mode, and a gap between the two contact rollers is a limiting area in which the twist drill is partially embedded.
Further, the twist drill device also comprises a bottom plate, and the groove plate and the driving mechanism are both arranged on the bottom plate.
Further, the groove plate is connected with the bottom plate through screws.
Furthermore, the driving mechanism comprises a mandrel and a supporting seat which is rotationally connected with the mandrel, two locking nuts are sleeved on the mandrel, and one end of the mandrel is connected with a turntable; the grinding wheel is sleeved on the mandrel and is positioned between the two locking nuts.
The invention has the beneficial effects that:
1. the included angle between the axis of the grinding wheel and the central line of the placing groove is alpha, so that the cutter grinding requirements of the twist drill and the grinding wheel are met, and twist drills with different specifications can be ground by changing alpha;
2. the twist drill is matched with the grinding wheel to realize the sharpening operation; the groove plate, the limiting component, the grinding wheel and the driving mechanism are arranged on the groove plate or the groove plate, the limiting component, the grinding wheel and the driving mechanism are arranged on the same bottom plate, so that the groove plate grinding machine is compact in structure and small in size, is suitable for occasions without grinding machines, and meets the requirement for sharpening;
3. the driving mechanism for driving the grinding wheel can adopt a manual driving mode, the requirement of the device on electric energy is reduced, the usability of the device is improved, and the driving mechanism can adopt a manual control mode, so that the rotating speed of the grinding wheel is controllable, the grinding speed of the grinding wheel is controllable when the grinding wheel is contacted with a twist drill, the grinding degree of the twist drill can be adjusted in real time, and the requirement on the skill of an operator is reduced.
Drawings
Fig. 1 is an isometric view of a portable hand sharpening twist drill device.
Fig. 2 is a left isometric view of a portable hand sharpening twist drill device.
Wherein, 1, a groove plate; 2. a limiting member; 3. a grinding wheel; 4. a turntable ring; 5. a turntable screw; 6. pressing a plate; 7. a loose joint rod; 8. a fixing member; 9. a base plate; 10. a mandrel; 11. a supporting seat; 12. and rotating the disc.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 and 2, the scheme provides a portable manual sharpening twist drill device, which comprises a groove plate 1, wherein a placing groove for placing a twist drill is formed in the groove plate 1, a limiting component is arranged above the placing groove, a grinding wheel 3 is arranged at one end of the placing groove, and the grinding wheel 3 can rotate around the axis of the grinding wheel 3 through a driving mechanism, so that sharpening operation is carried out on the twist drill. The limiting assembly can be arranged on the groove plate 1, so that the overall size of the twist drill device is reduced; meanwhile, the grinding wheel 3 and the driving mechanism can also be arranged on the groove plate 1, the size of the whole device can be reduced, the position relation between the central line of the grinding wheel 3 and the central line of the placing groove can be ensured, namely the included angle alpha between the axis of the grinding wheel 3 and the central line of the placing groove can be adjusted according to the twist drill, and of course, the limiting component, the groove plate 1, the grinding wheel 3 and the driving mechanism can also be arranged on the same bottom plate 9, and the use requirements can also be met.
Wherein, frid 1, actuating mechanism and emery wheel 3 can adopt the mode of dismantling the connection to be connected with bottom plate 9, for example frid 1 passes through screw connection with bottom plate 9, has reduced the assembly number of times when being convenient for connect, in addition, can satisfy the position relation of emery wheel 3 relative frid 1 as far as with bottom plate 9 and frid 1 integrated into one piece.
As shown in fig. 1, in order to reduce the resistance of the placing groove to the rotation of the twist drill on the premise of satisfying the support of the twist drill, the cross section of the placing groove is V-shaped, and of course, the placing groove may also adopt a U-shaped or arc-shaped structure.
As shown in fig. 1 and 2, the limiting assembly includes a limiting member 2, and the limiting member 2 is used for limiting the twist drill to make a reciprocating linear motion along a direction perpendicular to the central line of the placing groove; the limiting part 2 is a limiting screw, a threaded hole in threaded connection with the limiting screw is formed in the pressing plate 6, the limiting part 2 is of a screw structure, and the distance between the limiting part 2 and the twist drill can be adjusted so as to limit the twist drills of different specifications.
As shown in fig. 1 and fig. 2, the limiting assembly further includes a pressing plate 6, one end of the pressing plate 6 is rotatably connected with the trough plate 1 through a loose joint rod 7, the other end of the pressing plate 6 is provided with a fixing notch through which a fixing member 8 passes, the fixing member 8 is connected with the trough plate 1, the limiting member 2 is connected with the pressing plate 6, the fixing member 8 includes a fixing screw rod rotatably connected with the trough plate 1, and a fixing nut is sleeved on the fixing screw rod.
Through fixing screw and fixation nut restriction clamp plate 6 rotation range to through the rotation range of change fixation nut position adjustment clamp plate 6 on fixing screw, during the use, during the fluted drill rotates, realizes the unsteady of clamp plate 6 through the interval between adjustment locating part 2 and the fluted drill, helps fluted drill's rotation.
The one end mirror image of locating part 2 and the fluted drill contact is provided with two contact rollers, and the clearance between two contact rollers is the spacing region of fluted drill part embedding. The contact roller is in rolling contact with the twist drill, and the resistance between the livestock roller and the twist drill support is small, so that the twist drill is beneficial to rotation, and the sharpening operation is convenient.
As shown in fig. 1 and 2, the twist drill device further comprises a rotary disc ring 4 sleeved on the cylindrical section of the twist drill, a plurality of rotary disc screws 5 are circumferentially arranged on the ring wall of the rotary disc ring 4, the rotary disc screws 5 are in threaded connection with the rotary disc ring 4, and the axis of each rotary disc screw 5 penetrates through the circle center of the rotary disc ring 4. Set up the screw hole that carousel screw rod 5 passed on the carousel ring 4, carousel screw rod 5 constitutes three-jaw chuck structure with carousel ring 4, can be used to the fluted drill of the different specifications of centre gripping, through carousel ring 4, makes things convenient for operating personnel to rotate the fluted drill, carries out the sharpening operation.
As shown in fig. 1 and 2, the driving mechanism includes a mandrel 10 and a supporting seat 11 rotatably connected to the mandrel 10, two locking nuts are sleeved on the mandrel 10, a rotating disc 12 is connected to one end of the mandrel 10, the grinding wheel 3 is sleeved on the mandrel 10, and the grinding wheel 3 is located between the two locking nuts.
As shown in fig. 1 and 2, the supporting seat 11 may be mounted on the bottom plate 9 by screws, the supporting seat 11 may ensure that the position relationship of the grinding wheel 3 is always kept unchanged, and the rotating disk 12 is detachably connected to the spindle 10, so that the grinding wheel 3 may be conveniently removed from the spindle 4 for replacement and maintenance.
Claims (10)
1. A portable manual sharpening twist drill device is characterized by comprising a groove plate (1), wherein a placing groove for placing a twist drill is formed in the groove plate (1);
a limiting assembly is arranged above the placing groove and comprises a limiting piece (2), and the limiting piece (2) is used for limiting the twist drill to do reciprocating linear motion along the direction vertical to the central line of the placing groove;
one end of the placing groove is provided with a grinding wheel (3) and a driving mechanism for driving the grinding wheel (3) to rotate around the axis of the grinding wheel, and the included angle between the axis of the grinding wheel (3) and the central line of the placing groove is alpha.
2. The portable manual sharpening twist drill device according to claim 1, further comprising a rotary disc ring (4) sleeved on the cylindrical section of the twist drill, wherein a plurality of rotary disc screws (5) are circumferentially arranged on the ring wall of the rotary disc ring (4), the rotary disc screws (5) are in threaded connection with the rotary disc ring (4), and the axis of the rotary disc screw (5) passes through the center of the rotary disc ring (4).
3. The portable hand sharpening twist drill device of claim 1, wherein the placement channel is V-shaped in cross-section.
4. The portable manual sharpening twist drill device according to claim 1, wherein the limiting assembly further comprises a pressing plate (6), one end of the pressing plate (6) is rotatably connected with the groove plate (1) through a loose joint rod (7), the other end of the pressing plate (6) is provided with a fixing gap through which a fixing member (8) passes, the fixing member (8) is connected with the groove plate (1), and the limiting member (2) is connected with the pressing plate (6).
5. The portable manual sharpening twist drill device according to claim 4, wherein the stop member (2) is a stop screw and the pressure plate (6) is provided with a threaded hole in threaded connection with the stop screw.
6. A portable hand-sharpening twist drill device according to claim 4, wherein said fixture (8) comprises a set screw rotatably connected to said channel plate (1) and on which a set nut is sleeved.
7. The portable hand sharpening twist drill device according to claim 4, wherein the end of the retainer (2) in contact with the twist drill is mirrored with two contact rollers, the gap between the two contact rollers being a stop area in which the twist drill is partially embedded.
8. A portable hand-sharpened twist drill device according to any one of claims 1-7, further comprising a base plate (9), said slot plate (1) and said drive mechanism both being mounted on said base plate (9).
9. A portable hand-sharpened twist drill device according to claim 8, characterized in that the slotted plate (1) is screwed to the bottom plate (9).
10. A portable hand-sharpening twist drill device according to claim 1, wherein said drive mechanism comprises a spindle (10) and a support base (11) rotatably connected to said spindle (10), and wherein said spindle (10) is sleeved with two locking nuts, and wherein a rotary disk (12) is connected to one end of said spindle (10);
the grinding wheel (3) is sleeved on the mandrel (10), and the grinding wheel (3) is located between the two locking nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337910.9A CN113021201A (en) | 2021-03-30 | 2021-03-30 | Portable manual blade grinding twist drill device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337910.9A CN113021201A (en) | 2021-03-30 | 2021-03-30 | Portable manual blade grinding twist drill device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113021201A true CN113021201A (en) | 2021-06-25 |
Family
ID=76452803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110337910.9A Pending CN113021201A (en) | 2021-03-30 | 2021-03-30 | Portable manual blade grinding twist drill device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113021201A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1424927A (en) * | 1973-11-24 | 1976-02-11 | Automatic Grinding Machine Eng | Grinding machines |
| CN1295903A (en) * | 2000-12-08 | 2001-05-23 | 王存厚 | Other axle helicoidal surface grinding method and edge-grinding machine for cutting edge of twist drill |
| CN203141244U (en) * | 2013-03-18 | 2013-08-21 | 德利赉精密五金制品(深圳)有限公司 | Device for polishing drill |
| CN204053648U (en) * | 2014-04-22 | 2014-12-31 | 长安大学 | A kind of machine for sharpening twist drill |
| CN208788162U (en) * | 2018-10-09 | 2019-04-26 | 德州职业技术学院（德州市技师学院） | Twist drill bit sharpening device |
| CN111618670A (en) * | 2020-06-15 | 2020-09-04 | 陕西理工大学 | Adjustable twist drill grinding device |
-
2021
- 2021-03-30 CN CN202110337910.9A patent/CN113021201A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1424927A (en) * | 1973-11-24 | 1976-02-11 | Automatic Grinding Machine Eng | Grinding machines |
| CN1295903A (en) * | 2000-12-08 | 2001-05-23 | 王存厚 | Other axle helicoidal surface grinding method and edge-grinding machine for cutting edge of twist drill |
| CN203141244U (en) * | 2013-03-18 | 2013-08-21 | 德利赉精密五金制品(深圳)有限公司 | Device for polishing drill |
| CN204053648U (en) * | 2014-04-22 | 2014-12-31 | 长安大学 | A kind of machine for sharpening twist drill |
| CN208788162U (en) * | 2018-10-09 | 2019-04-26 | 德州职业技术学院（德州市技师学院） | Twist drill bit sharpening device |
| CN111618670A (en) * | 2020-06-15 | 2020-09-04 | 陕西理工大学 | Adjustable twist drill grinding device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |