CN104942597B - Pulse bitbrace - Google Patents
Pulse bitbrace Download PDFInfo
- Publication number
- CN104942597B CN104942597B CN201510233387.XA CN201510233387A CN104942597B CN 104942597 B CN104942597 B CN 104942597B CN 201510233387 A CN201510233387 A CN 201510233387A CN 104942597 B CN104942597 B CN 104942597B
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- Prior art keywords
- support
- rotating shaft
- pulse
- bevel gear
- drive disk
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- 238000003860 storage Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 21
- 230000009471 action Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000013519 translation Methods 0.000 description 30
- 238000000034 method Methods 0.000 description 13
- 210000003205 muscle Anatomy 0.000 description 11
- 239000000498 cooling water Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 210000004247 hand Anatomy 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005055 memory storage Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention relates to a kind of machining tool, especially relate to a kind of pulse bitbrace.This pulse bitbrace, including support, main shaft is rotatably connected on support, driving bevel gear is arranged with main shaft, drive disk is provided with support, drive disk is connected with holder pivots by rotating shaft, the axis of the axis vertical major of drive disk, the edge of drive disk is provided with sliding tooth, and sliding tooth is meshed with bevel gear；It is provided with clutch at described rotating shaft, it is provided with reversing device between rotating shaft and driving bevel gear, main shaft is in axial sliding connection with support, support is provided with one section of pulse projection on the end face of driving bevel gear, driving bevel gear is provided with pulse projection, pulse projection and driving bevel gear eccentric setting on the end face of support.The present invention has the reversion withdrawing being capable of pulse frequency and need not change hand direction and action, ensure that hand speed is basicly stable, improve the beneficial effect such as drilling quality and efficiency.
Description
Technical field
The present invention relates to a kind of machining tool, especially relate to a kind of pulse bitbrace.
Background technology
The hand drilling tool of an existing class, by shaking drive disk, is rotated come drive shaft using the sliding tooth on drive disk,
And then drive bit to realize boring.Produce scrap in boring procedure, scrap easily blocks drill bit, need to make drill bit invert
Withdrawing will outside scrap tap, be further continued for holing.But this kind of hand drilling tool, can only when needing drill bit reversion withdrawing, chip removal
Drill bit reversion is realized by reverse shake drive disk.I.e. drive disk needs to turn clockwise several circles holing, then during another mistake
Pin reversion a few circle withdrawing chip removal, then the boring that turns clockwise.Need in boring procedure repeatedly to convert the steering of drive disk, and hand
The driving force boring derives from human arm muscle, the hand direction of frequent changes, leads to arm muscles different with joint force direction,
Easily cause bitbrace deflection.And the hand action of frequent changes, make muscle cannot form muscle memory, lead to hand shake speed
Unstable, affect drilling quality and efficiency.
As Chinese patent notification number is：CN2357687Y, in a kind of staight shank bitbrace of on January 12nd, 2000 bulletin, should
Bitbrace includes drill body, hollow rotating shaft, rotating disk and drillstock, and its drillstock is located at the afterbody of drill body, and drillstock and drill body are longitudinally same
On one straight line.This bitbrace passes through turntable rotation band dynamic bevel gear and rotates, and bevel gear drives coaxial drill body rotation, this kind of hand
Drilling tool, when needing drill bit reversion withdrawing, chip removal, can only realize drill bit reversion by reverse shake drive disk.I.e. drive disk needs
Several circle that turn clockwise to be holed, then a few circle of another mistake hour hands reversion withdrawing chip removal, then the boring that turns clockwise.Boring procedure
Middle need repeatedly to convert the steering of drive disk, and the driving force of bitbrace derive from human arm muscle, the hand side of frequent changes
To leading to arm muscles different with joint force direction, easily cause bitbrace deflection.And the hand action of frequent changes, make
Muscle cannot form muscle memory, leads to hand speed of shaking unstable, impact drilling quality and efficiency.
Content of the invention
The present invention is primarily directed to the problems referred to above, a kind of reversion withdrawing being capable of pulse frequency is provided and also need not
Change hand direction and action, ensure hand speed pulse bitbrace that is basicly stable, improving drilling quality and efficiency.
The purpose of the present invention is mainly achieved by following proposal：A kind of pulse bitbrace, including support, support
On be rotatably connected to main shaft, main shaft is arranged with driving bevel gear, support is provided with drive disk, drive disk pass through rotating shaft with
Frame rotates and connects, the axis of the axis vertical major of drive disk, and the edge of drive disk is provided with sliding tooth, and sliding tooth is bored with driving
Gear is meshed；It is provided with clutch at described rotating shaft, between rotating shaft and driving bevel gear, be provided with reversing device, clutch
Mechanism includes the fixed disk being arranged on support and the clutch discs being set in rotating shaft, and fixed disk sets on the end face of clutch discs
It is equipped with one section of clutch projection, clutch discs and rotating shaft eccentric setting, rotating shaft is provided with back-moving spring away from one end of support；Reverse engine
Structure include co-axially fixed with driving bevel gear reversion bevel gear with reversion bevel gear engage adjustment gear, be set in rotating shaft
On counter drive gear, adjustment gear axis with reversion bevel gear axis vertical, adjust gear be connected with holder pivots, instead
The vertical dimension turning between driving gear place plane and adjustment gear place plane is identical with the height of clutch projection；Main shaft with
Support is in axial sliding connection, and support is provided with one section of pulse projection on the end face of driving bevel gear, and driving bevel gear is close
Pulse projection, pulse projection and driving bevel gear eccentric setting are provided with the end face of support, driving bevel gear is away from drill bit
One end is provided with preloading spring.Clutch discs and rotating shaft eccentric setting, when drive disk turns clockwise, rotating shaft is followed drive disk and is driven
Clutch disc spins, when clutch discs fit rotation with the end face of fixed disk, drive the sliding tooth of plate edge to nibble with driving bevel gear
Close, when drive disk rotates, drive driving bevel gear rotation, driving bevel gear drives main shaft rotation, main shaft drives bit, real
Now hole.When the clutch in clutch disc spins to fixed disk is raised, clutch is raised to be supported to clutch discs, so that clutch discs is axially moved
Dynamic, clutch discs drive rotating shaft and drive disk axial translation compression reseting spring, and now, the sliding tooth on drive disk is bored with driving
Gear departs from.With the translation of rotating shaft, drive the counter drive gear translation in rotating shaft, due to counter drive gear place plane
Vertical dimension between adjustment gear place plane is identical with the height of clutch projection, therefore, reverse drive tooth after translation
Wheel engages with rotating the adjustment gear being connected on support.When drive disk is rotated further, rotating shaft rotarily drive reverse drive tooth
Wheel rotation, counter drive gear drives adjustment gear rotation, adjustment gear driven reversion bevel gear rotation, and bevel gear drives for reversion
Bit on main shaft and main shaft.Due to being connected by adjusting gear between reversion bevel gear and counter drive gear, because
This, main shaft keeps when being rotated clockwise, the steering of main shaft from different before, realize the reversion of drill bit, drill bit Umklapp process
In, scrap exits, and is easy to continue boring, prevents scrap from blocking drill bit.After clutch discs rotate past clutch projection, back-moving spring
Drive disk, rotating shaft, counter drive gear, clutch discs are promoted to reset, now, counter drive gear is departed from adjustment gear, drives
Sliding tooth on disk is engaged again with driving bevel gear, realizes boring.Drive disk drives in the whole rotary course of rotating shaft, passes through
Clutch and the cooperation of reversing device, the steering realizing drive disk remains constant, need not invert manually it becomes possible to realize
The reversion withdrawing of the pulse frequency of drill bit, move back bits, due to need not repeatedly change hand direction and action, therefore easily form flesh
Meat is remembered, and the rotating speed that can be manually rotated drive disk can be held essentially constant, and improves drilling quality and speed.Main shaft is with support axially
Be slidably connected, that is, main shaft can on support axial translation.Due to pulse projection and driving bevel gear eccentric setting, when pulse is convex
Block and support near the end face of driving bevel gear fit and rotate when, the rotation of main shaft drives drill bit to realize boring.When pulse is convex
When block rotates in the pulse projection to support, pulse projection driving pulse projection axial translation, the axial translation of pulse projection
Drive main shaft and drill bit axial translation and compress preloading spring, now, drill bit is directed away from the direction translation of workpiece, realizes boring
The withdrawing of head, drives during withdrawing outside scrap tap, it is to avoid scrap blocks drill bit.When pulse projection, to rotate past pulse convex
After rising, preloading spring promotes main shaft to translate towards workpiece direction, and the translation driving pulse projection of main shaft is towards bracket end face direction
Translation, and promote drill bit impact workpiece, impulsive force is realized to processing workpiece, reduces the wilfulness in bottom hole face, and impact process
In form a small rut in bottom hole face, small rut to bit point of the drill guiding and can position, and be always ensured that drill bit axially deeply.
In the whole process of main shaft rotation, it is capable of bit, and realizes drill bit withdrawing and impact, real during bit
The reciprocal axial translation of existing pulse frequency, makes boring procedure more succinctly laborsaving.
Preferably, described clutch projection is in circular arc, the raised two ends of clutch are provided with and are connected with fixing side surface
The guiding surface connecing.When clutch disc spins are to clutch high spot, can be guided by guiding surface, be turned along guiding surface
Move to raised upper of clutch, guiding surface can guide to clutch discs.
Preferably, described pulse projection is in circular arc, the raised two ends of pulse are provided with the end face company with support
The guiding inclined plane connecing.When pulse projection rotates to pulse high spot, can be guided by guiding inclined plane, along guiding
Inclined plane turns in pulse projection, and guiding inclined plane can guide to pulse projection.
Preferably, driven wheel of differential is provided with described support, driven shaft is set at the axle center of driven wheel of differential, from
With driving bevel gear axisymmetricly, axis of symmetry is the axis of the rotating shaft of drive disk to dynamic bevel gear.On support, driven wheel of differential is set,
And the position of driven wheel of differential is with driving bevel gear axisymmetricly, and axis of symmetry is the axis of drive disk, when driving disc spins
When drive driving bevel gear rotation, meanwhile, driven wheel of differential can support to drive disk, makes drive disk all the time in a plane
Rotation, it is to avoid drive disk tilts.
Preferably, described support includes two symmetrically arranged hack levers, the axis of symmetry of two hack levers is the axle of main shaft
Line, one end of two hack levers is provided with main shaft sleeve, and the other end of two hack levers is provided with driven shaft axle sleeve, in two hack levers
Portion is connected with rotating shaft axle sleeve.When drilling tool uses, when pressure is applied to support, because the axis of symmetry of two supports is main shaft
Axis, pressure can be delivered on main shaft and drill bit along support, improve stability when drilling tool uses, and two are right
The hack lever claiming setting can improve structural strength, reduces drilling tool weight.One end of two hack levers is provided with main shaft sleeve, two framves
The other end of bar is provided with driven shaft axle sleeve, and the integral middle of two hack levers is connected with rotating shaft axle sleeve, is rotated by main shaft sleeve
Connect main shaft, by driven shaft sleeve rotate connect driven shaft it is ensured that drilling tool use when external force all the time can transfers to main shaft
On driven shaft.
Preferably, being threaded with handle on described support, handle is coaxially disposed with drive disk.On support, screw thread connects
It is connected to handle, handle is coaxially disposed with drive disk, during a hand dynamic drive disk, it is fixed to support that another handss can hold handle
Position, it is to avoid bit inclination.
Preferably, handle is internally provided with water storage cavity near one end of support, handle is provided near one end of support
Weeper, support is provided with the water shutoff projection for blocking weeper near one end of handle, and handle is provided with filling port.?
Handss are internally provided with water storage cavity near one end of support, water storage cavity memory storage cooling water, after handle disassembles from support,
Cooling water can flow out from weeper and drill bit is cooled down.Cooling water can be supplemented to water storage cavity by the filling port on handle.
When handle is threaded on support, the water shutoff projection on support can block to weeper, it is to avoid cooling leaked water.
Preferably, handle is internally provided with storage chamber for depositing standby grinding wheel, handle away from one end of support
One end end away from support is provided with end cap for covering storage chamber, and end cap is threadeded with handle.Handle is away from support
One end be internally provided with storage chamber for depositing standby grinding wheel, can deposit in handle is away from the storage chamber of support one end
Put standby grinding wheel, improve the utilization rate of handle.Storage chamber can be covered by end cap, and end cap is threadeded with handle,
It is easy to opening of end cap, that is, be easy to the access of grinding wheel.
Preferably, drive disk is provided with rocking arm away from one end of support, with driving side surface bolt connection in the middle part of rocking arm,
The free end vertical rocker-arm of rocking arm is provided with rocking handle.During shake rocking handle, rocking handle band motion rocker arm rotates, and rocking arm drives driving to spiral
Turn, realize hand-operated drilling.
Preferably, rocking arm is provided with rotating shaft installing hole and rotating shaft buckling groove near the one end in drive disk axle center, rotating shaft is pacified
The diameter with diameter greater than rotating shaft in dress hole, the width of rotating shaft buckling groove matches with shaft diameter, rotating shaft installing hole and rotating shaft card
Access slot is connected.Install rocking arm when, by rotating shaft be aligned rocking arm on rotating shaft installing hole, due to rotating shaft installing hole with diameter greater than turn
The diameter of axle, is easy to rotating shaft insertion rotating shaft and installs in the hole, then rotating shaft is slided along rotating shaft buckling groove, due to rotating shaft buckling groove
Width is matched with the diameter of rotating shaft, rotating shaft buckling groove can countershaft spacing, it is to avoid rocking arm rocks, when rotating shaft slips into rotating shaft card
After in access slot, rocking arm bolt connection is fixed on drive disk, realizes the fixation of rocking arm.In the same manner, by the disassembling bolts on rocking arm
Afterwards, rotating shaft is slided along rotating shaft buckling groove, when sliding at rotating shaft installing hole, be capable of the dismounting of rocking arm.It is easy to rocking arm
Installation and removal, and ensure rocking arm in rotary course can all the time around rotating shaft rotate
Therefore, the pulse bitbrace of the present invention possesses following advantages：1st, drive disk drives in the whole rotary course of rotating shaft,
By the cooperation of clutch and reversing device, the steering realizing drive disk remains constant, need not invert manually it becomes possible to
Realize the reversion withdrawing of the pulse frequency of drill bit, move back bits, due to need not repeatedly change hand direction and action, therefore easy shape
Become muscle memory, the rotating speed that can be manually rotated drive disk can be held essentially constant, improve drilling quality and speed；2nd, due to pulse
Projection and driving bevel gear eccentric setting, when pulse projection is fitted and rotated near the end face of driving bevel gear with support, main
The rotation of axle drives drill bit to realize boring, and when pulse projection rotates in the pulse projection to support, pulse is raised to promote arteries and veins
Rush projection axial translation, the axial translation of pulse projection drives main shaft and drill bit axial translation and compresses preloading spring, now,
Drill bit is directed away from the direction translation of workpiece, realizes the withdrawing of drill bit, drives outside scrap tap, it is to avoid scrap during withdrawing
Blocking drill bit；3rd, at the axle center of driven wheel of differential, driven shaft is set, driven shaft is fixedly connected with sanding burr wheel, when holing
After journey terminates, whole instrument can be used in turn, rotation driving disk, drive disk drives driven wheel of differential rotation, from mantle
Gear driven driven shaft rotates, and driven shaft drives the rotation of sanding burr wheel, produces after boring of being polished using sanding burr wheel
Burr, when sanding burr wheel does not need to use, will be threaded on support to shoulder bar, now, sanding burr wheel enters and supports
The accommodating intracavity of shoulder bar, can prop up shoulder to shoulder bar, using shoulder, support be positioned, avoid riding during boring；4th,
Handss are internally provided with water storage cavity near one end of support, water storage cavity memory storage cooling water, after handle disassembles from support,
Cooling water can flow out from weeper and drill bit is cooled down, and can supplement cooling water to water storage cavity by the filling port on handle,
When handle is threaded on support, the water shutoff projection on support can block to weeper, it is to avoid cooling leaked water；5th, pacify
During dress rocking arm, rotating shaft is directed at the rotating shaft installing hole on rocking arm, because rotating shaft installing hole is with diameter greater than the diameter of rotating shaft, is easy to
In the hole is installed in rotating shaft insertion rotating shaft, then rotating shaft is slided along rotating shaft buckling groove, due to width and the rotating shaft of rotating shaft buckling groove
Diameter matches, rotating shaft buckling groove can countershaft spacing, it is to avoid rocking arm rocks, after rotating shaft slips in rotating shaft buckling groove, will
Rocking arm bolt connection is fixed on drive disk, realizes the fixation of rocking arm, in the same manner, after the disassembling bolts on rocking arm, by rotating shaft edge
Rotating shaft buckling groove to slide, when sliding at rotating shaft installing hole, be capable of the dismounting of rocking arm.It is easy to the peace installation and dismantling of rocking arm
Unload, and ensure that rocking arm can rotate around rotating shaft in rotary course all the time.
Brief description
Accompanying drawing 1 is a kind of structural representation of the present invention；
Accompanying drawing 2 is a kind of axonometric chart of the present invention；
Accompanying drawing 3 is that in the present invention, clutch is in partial enlarged drawing during bore state；
Accompanying drawing 4 is the partial enlarged drawing that in the present invention, clutch is in during withdrawing state；
Accompanying drawing 5 is that in the present invention, driving bevel gear is in partial enlarged drawing during bore state；
Accompanying drawing 6 is the partial enlarged drawing that in the present invention, driving bevel gear is in during withdrawing state；
Accompanying drawing 7 is the axonometric chart of fixed disk in the present invention；
Accompanying drawing 8 is the axonometric chart of pulse high spot in the present invention；
Accompanying drawing 9 is enlarged partial sectional view at B in accompanying drawing 1；
Accompanying drawing 10 is the axonometric chart of rocking arm in the present invention.
Illustrate：01- support, 011- hack lever, 012- main shaft sleeve, 013- driven shaft axle sleeve, 014- water shutoff is raised,
02- drive disk, 021- sliding tooth, 03- driving bevel gear, 04- driven wheel of differential, 05- main shaft, 06- drill bit, 07- handle, 071-
Water storage cavity, 072- weeper, 073- filling port, 074- storage chamber, 075- end cap, the standby grinding wheel of 076-, 08- rocking arm, 081-
Rotating shaft installing hole, 082- rotating shaft buckling groove, 09- rocking handle, 10- rotating shaft, 11- support shoulder bar, 12- shoulder pad, 13- fixed disk, 131- from
Close raised, 1311- guiding surface, 14- clutch discs, 15- counter drive gear, 16- adjusts gear, 17- inverts bevel gear, 18-
Back-moving spring, 21- pulse is raised, and 211- guides inclined plane, 22- pulse projection, 23- preloading spring.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment 1：
As shown in Figure 1, 2, 3, a kind of pulse withdrawing bitbrace, including support 01, support is rotatably connected to main shaft 05, main
The free end of axle is provided with drill bit 06, and main shaft is arranged with driving bevel gear 03, and support is provided with drive disk 02, and drive disk leads to
Cross rotating shaft 10 to be connected with holder pivots, the axis of the axis vertical major of drive disk, the edge of drive disk is provided with sliding tooth
021, sliding tooth is meshed with driving bevel gear.It is provided with clutch at rotating shaft, be provided between rotating shaft and driving bevel gear
Reversing device.Clutch includes the fixed disk 13 being arranged on support and the clutch discs being set in rotating shaft, and fixed disk is close
One section of clutch projection 131 is provided with the end face of clutch discs, as shown in fig. 7, clutch projection is in circular arc, the raised two ends of clutch
It is provided with the guiding surface 1311 being connected with fixing side surface, clutch discs 14 and rotating shaft eccentric setting, rotating shaft is away from support
One end is provided with back-moving spring 18.Reversing device includes reversion bevel gear 17 co-axially fixed with driving bevel gear and reversion cone
The adjustment gear 16 of gear engagement, the counter drive gear 15 being set in rotating shaft, the axis of adjustment gear and reversion bevel gear
Axis is vertical, and adjustment gear is connected with holder pivots, between counter drive gear place plane and adjustment gear place plane
The vertical dimension height raised with clutch is identical.Main shaft is in axial sliding connection with support, as shown in figure 8, support is near driving cone
One section of pulse projection 21 is provided with the end face of gear, pulse is raised to be in circular arc, the raised two ends of pulse are provided with and prop up
The guiding inclined plane 211 that the end face of frame connects.As shown in figure 5, driving bevel gear to be provided with pulse on the end face of support convex
Block 22, pulse projection and driving bevel gear eccentric setting, driving bevel gear is provided with preloading spring 23 away from one end of drill bit.?
Driven wheel of differential 04 is provided with frame, driven shaft is set at the axle center of driven wheel of differential, driven wheel of differential with driving bevel gear is in
Axial symmetry, axis of symmetry is the axis of the rotating shaft of drive disk.Support is provided with to shoulder bar 11 away from one end of drill bit, remote to shoulder bar 11
From one end of support, shoulder pad 12 is installed.Support includes two symmetrically arranged hack levers 011, and the axis of symmetry of two hack levers is main shaft
Axis, one end of two hack levers is provided with main shaft sleeve 012, and the other end of two hack levers is provided with driven shaft axle sleeve 013, two
The integral middle of individual hack lever is connected with rotating shaft axle sleeve.Handle 07 is threaded with support, handle is coaxially disposed with drive disk, such as
Shown in Fig. 9, handle is internally provided with water storage cavity 071 near one end of support, and handle is provided with weeper near one end of support
072, support is provided with the water shutoff projection 014 for blocking weeper near one end of handle, and handle is provided with filling port
073.Handle is internally provided with storage chamber 074 for depositing standby grinding wheel 076 away from one end of support, and handle is away from support
One end end be provided with end cap 075 for covering storage chamber, end cap is threadeded with handle.Drive disk is away from the one of support
End is provided with rocking arm 08, and with driving side surface bolt connection in the middle part of rocking arm, the free end vertical rocker-arm of rocking arm is provided with rocking handle 09.
As shown in Figure 10, rocking arm is provided with rotating shaft installing hole 081 and rotating shaft buckling groove 082 near the one end in drive disk axle center, and rotating shaft is pacified
The diameter with diameter greater than rotating shaft in dress hole, the width of rotating shaft buckling groove matches with shaft diameter, rotating shaft installing hole and rotating shaft card
Access slot is connected.
Clutch discs and rotating shaft eccentric setting, as shown in figure 4, when drive disk turns clockwise, rotating shaft is followed drive disk and is driven
Clutch disc spins, when clutch discs fit rotation with the end face of fixed disk, drive the sliding tooth of plate edge to nibble with driving bevel gear
Close, when drive disk rotates, drive driving bevel gear rotation, driving bevel gear drives main shaft rotation, main shaft drives bit, real
Now hole.When the clutch in clutch disc spins to fixed disk is raised, as shown in figure 4, clutch is raised supporting to clutch discs, make from
Conjunction disk moves axially, and clutch discs drive rotating shaft and drive disk axial translation compression reseting spring, now, driving on drive disk
Tooth is departed from driving bevel gear.With the translation of rotating shaft, drive the counter drive gear translation in rotating shaft, due to being driven reverse tooth
Vertical dimension between the wheel place plane and adjustment gear place plane height raised with clutch is identical, therefore, after translation
Counter drive gear engages with rotating the adjustment gear being connected on support.When drive disk is rotated further, the rotarily driving of rotating shaft
Counter drive gear rotates, and counter drive gear drives adjustment gear rotation, adjustment gear driven reversion bevel gear rotation, reversion
Bevel gear drives the bit on main shaft and main shaft.Due to passing through between reversion bevel gear and counter drive gear to adjust tooth
Wheel connects, and therefore, main shaft keeps when being rotated clockwise, the steering of main shaft from different before, realize the reversion of drill bit, drill bit
In Umklapp process, scrap exits, and is easy to continue boring, prevents scrap from blocking drill bit.After clutch discs rotate past clutch projection,
Back-moving spring promotes drive disk, rotating shaft, counter drive gear, clutch discs to reset, and now, counter drive gear is taken off with adjustment gear
From the sliding tooth on drive disk is engaged again with driving bevel gear, realizes boring.Drive disk drives the whole rotary course of rotating shaft
In, by the cooperation of clutch and reversing device, the steering realizing drive disk remains constant, need not invert manually, just
It is capable of the reversion withdrawing of the pulse frequency of drill bit, moves back bits, due to need not repeatedly change hand direction and action, therefore hold
Easily form muscle memory, the rotating speed that can be manually rotated drive disk can be held essentially constant, and improves drilling quality and speed.Work as clutch
Spiral when going to clutch high spot, can be guided by guiding surface, turn to raised upper of clutch along guiding surface, lead
Clutch discs can be guided to inclined-plane.On support, driven wheel of differential is set, and the position of driven wheel of differential and driving bevel gear are in
Axial symmetry, and axis of symmetry is the axis of drive disk, drives driving bevel gear rotation when driving disc spins, meanwhile, from mantle
Gear can support to drive disk, so that drive disk is rotated in a plane all the time, it is to avoid drive disk tilts.Main shaft and support shaft
To being slidably connected, that is, main shaft can on support axial translation.Due to pulse projection and driving bevel gear eccentric setting, work as pulse
Projection and support near the end face of driving bevel gear fit and rotate when, as shown in fig. 6, the rotation of main shaft drives drill bit to realize boring
Hole.When pulse projection rotates in the pulse projection to support, pulse projection driving pulse projection axial translation, pulse projection
Axial translation drive main shaft and drill bit axial translation and compress preloading spring, now, drill bit is directed away from the direction of workpiece
Translation, realizes the withdrawing of drill bit, as shown in figure 4, driving during withdrawing outside scrap tap, it is to avoid scrap blocks drill bit.When
After pulse projection rotates past pulse projection, preloading spring promotes main shaft to translate towards workpiece direction, and the translation of main shaft promotes arteries and veins
Rush projection to translate towards bracket end face direction, and promote drill bit impact workpiece, impulsive force is realized to processing workpiece, reduces bottom hole
The wilfulness in face, and form a small rut in bottom hole face in impact process, small rut to bit point of the drill guiding and can position,
It is always ensured that drill bit axially deeply.Main shaft rotation whole process in, be capable of bit, and realize drill bit withdrawing and
Impact, realizes the reciprocal axial translation of pulse frequency, makes boring procedure more succinctly laborsaving during bit.When pulse is convex
When block rotates to pulse high spot, can be guided by guiding inclined plane, be turned in pulse projection along guiding inclined plane,
Guiding inclined plane can guide to pulse projection.On support, driven wheel of differential is set, and the position of driven wheel of differential is bored with driving
Gear axisymmetricly, and axis of symmetry be drive disk axis, when drive disc spins when drive driving bevel gear rotation, meanwhile,
Driven wheel of differential can support to drive disk, so that drive disk is rotated in a plane all the time, it is to avoid drive disk tilts.From mantle
At the axle center of gear, driven shaft is set, driven shaft is fixedly connected with sanding burr wheel, after boring procedure terminates, can will be whole
Individual instrument uses in turn, rotation driving disk, and drive disk drives driven wheel of differential rotation, and driven wheel of differential drives driven shaft to turn
Dynamic, driven shaft drives the rotation of sanding burr wheel, the burr producing after boring of being polished using sanding burr wheel.When sanding burr wheel
When not needing to use, will be threaded on support to shoulder bar, now, sanding burr wheel enters the accommodating intracavity supporting shoulder bar.Support
Shoulder bar can prop up shoulder, using shoulder, support is positioned, avoid riding during boring.When drilling tool uses, support is applied
During plus-pressure, the axis being main shaft due to the axis of symmetry of two supports, pressure can be delivered to main shaft and drill bit along support
On, improve stability when drilling tool uses, and two symmetrically arranged hack levers can improve structural strength, reduce drilling tool weight
Amount.One end of two hack levers is provided with main shaft sleeve, and the other end of two hack levers is provided with driven shaft axle sleeve, in two hack levers
Portion is connected with rotating shaft axle sleeve, by main shaft sleeve rotate connect main shaft, by driven shaft sleeve rotate connect driven shaft it is ensured that
Drilling tool use when external force all the time can transfers on main shaft and driven shaft.Handle, handle and drive are threaded with support
Moving plate is coaxially disposed, and during a hand dynamic drive disk, another handss can be held handle and support is positioned, it is to avoid bit inclination.
Handle is internally provided with water storage cavity near one end of support, and water storage cavity memory storage cooling water, when handle disassembles from support
Afterwards, cooling water can flow out from weeper and drill bit is cooled down.Cooling can be supplemented to water storage cavity by the filling port on handle
Water.When handle is threaded on support, the water shutoff projection on support can block to weeper, it is to avoid cooling leaked water.
Handle is internally provided with storage chamber for depositing standby grinding wheel away from one end of support, in handle depositing away from support one end
Put intracavity and can deposit standby grinding wheel, improve the utilization rate of handle.Storage chamber can be covered by end cap, end cap and handle
Handss are threaded, are easy to opening of end cap, that is, be easy to the access of grinding wheel.During shake rocking handle, rocking handle band motion rocker arm rotates, rocking arm
Drive and drive disc spins, realize hand-operated drilling.When rocking arm is installed, rotating shaft is directed at the rotating shaft installing hole on rocking arm, due to rotating shaft
The diameter with diameter greater than rotating shaft of installing hole, is easy to rotating shaft insertion rotating shaft and installs in the hole, then rotating shaft is slided along rotating shaft buckling groove
Dynamic, because the width of rotating shaft buckling groove matches with the diameter of rotating shaft, rotating shaft buckling groove can countershaft spacing, it is to avoid rocking arm rolling
Dynamic, after rotating shaft slips in rotating shaft buckling groove, rocking arm bolt connection is fixed on drive disk, realizes the fixation of rocking arm.In the same manner,
After the disassembling bolts on rocking arm, rotating shaft is slided along rotating shaft buckling groove, when sliding at rotating shaft installing hole, is capable of shaking
The dismounting of arm.It is easy to the installation and removal of rocking arm, and ensure that rocking arm can rotate around rotating shaft in rotary course all the time.From
Conjunction disk and rotating shaft eccentric setting, when drive disk turns clockwise, rotating shaft is followed drive disk and is driven clutch disc spins, when clutch discs with
When the end face laminating of fixed disk rotates, drive the sliding tooth of plate edge to engage with driving bevel gear, drive when drive disk rotates and drive
Dynamic bevel gear rotates, and driving bevel gear drives main shaft rotation, and main shaft drives bit, realizes boring.When clutch disc spins extremely
When clutch on fixed disk is raised, clutch is raised to be supported to clutch discs, so that clutch discs is moved axially, clutch discs drive rotating shaft and drive
Moving plate axial translation compression reseting spring, now, the sliding tooth on drive disk is departed from driving bevel gear.Flat with rotating shaft
Move, drive the counter drive gear translation in rotating shaft, due to counter drive gear place plane and adjustment gear place plane it
Between the raised height of vertical dimension and clutch identical, therefore, the counter drive gear after translation is connected with rotation on support
Adjustment gear engagement.When drive disk is rotated further, the counter drive gear that rotarily drives of rotating shaft rotates, counter drive gear band
Dynamic adjustment gear rotation, adjustment gear driven reversion bevel gear rotation, reversion bevel gear drives the drill bit on main shaft and main shaft
Rotation.Due to being connected by adjusting gear between reversion bevel gear and counter drive gear, therefore, main shaft keeps clockwise
During rotation, the steering of main shaft from different before, realize the reversion of drill bit, in drill bit Umklapp process, scrap exits, be easy to continue bore
Hole, prevents scrap from blocking drill bit.After clutch discs rotate past clutch projection, back-moving spring promotes drive disk, rotating shaft, reversion to drive
Moving gear, clutch discs reset, and now, counter drive gear and adjustment gear depart from, and the sliding tooth on drive disk bores tooth with driving
Wheel engages again, realizes boring.Drive disk drives in the whole rotary course of rotating shaft, by joining of clutch and reversing device
Close, the steering realizing drive disk remains constant, need not invert manually it becomes possible to the reversion realizing the pulse frequency of drill bit is moved back
Knife, move back bits, due to need not repeatedly change hand direction and action, therefore easily form muscle memory, can be manually rotated drive disk
Rotating speed can be held essentially constant, improve drilling quality and speed.
It should be understood that this embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that
After having read the content of present invention instruction, those skilled in the art can make various changes or modifications to the present invention, these etc.
Valency form equally falls within the application appended claims limited range.
Claims (10)
1. a kind of pulse bitbrace, including support it is characterised in that being rotatably connected to main shaft on support, main shaft is arranged with drive
Dynamic bevel gear, support is provided with drive disk, and drive disk is connected with holder pivots by rotating shaft, the axis vertical major of drive disk
Axis, the edge of drive disk is provided with sliding tooth, and sliding tooth is meshed with driving bevel gear；Be provided with described rotating shaft from
Close mechanism, between rotating shaft and driving bevel gear, be provided with reversing device, the fixed disk that clutch includes being arranged on support and
It is set in the clutch discs in rotating shaft, fixed disk is provided with one section of clutch projection, clutch discs and rotating shaft on the end face of clutch discs
Eccentric setting, rotating shaft is provided with back-moving spring away from one end of support；Reversing device includes co-axially fixed with driving bevel gear
What reversion bevel gear was engaged with reversion bevel gear adjusts gear, the counter drive gear being set in rotating shaft, the axle of adjustment gear
Line with reversion bevel gear axis vertical, adjustment gear be connected with holder pivots, counter drive gear place plane and adjust gear
Vertical dimension between the plane of the place height raised with clutch is identical；Main shaft is in axial sliding connection with support, and support is near drive
One section of pulse projection is provided with the end face of dynamic bevel gear, driving bevel gear is provided with pulse projection on the end face of support,
Pulse projection and driving bevel gear eccentric setting, driving bevel gear is provided with preloading spring away from one end of drill bit.
2., it is characterised in that described clutch projection is in circular arc, clutch is convex for pulse bitbrace according to claim 1
The two ends risen are provided with the guiding surface being connected with fixing side surface.
3., it is characterised in that described pulse projection is in circular arc, pulse is convex for pulse bitbrace according to claim 1
The two ends risen are provided with the guiding inclined plane being connected with the end face of support.
4. pulse bitbrace according to claim 1 is it is characterised in that be provided with driven wheel of differential on described support,
Driven shaft is set at the axle center of driven wheel of differential, and with driving bevel gear axisymmetricly, axis of symmetry is drive disk to driven wheel of differential
The axis of rotating shaft.
5. the pulse bitbrace according to claim 1 or 2 or 3 or 4 it is characterised in that described support include two right
Claim the hack lever of setting, the axis of symmetry of two hack levers is the axis of main shaft, one end of two hack levers is provided with main shaft sleeve, two framves
The other end of bar is provided with driven shaft axle sleeve, and the integral middle of two hack levers is connected with rotating shaft axle sleeve.
6. the pulse bitbrace according to claim 1 or 2 or 3 or 4 is it is characterised in that threaded on described support
There is handle, handle is coaxially disposed with drive disk.
7. pulse bitbrace according to claim 6 is it is characterised in that handle is internally provided with storage near one end of support
Water cavity, handle is provided with weeper near one end of support, and support is provided with for blocking weeper near one end of handle
Water shutoff is raised, and handle is provided with filling port.
8. pulse bitbrace according to claim 6 is it is characterised in that handle is internally provided with use away from one end of support
In the storage chamber depositing standby grinding wheel, handle is provided with end cap for covering storage chamber, end away from one end end of support
Lid is threadeded with handle.
9. the pulse bitbrace according to claim 1 or 2 or 3 or 4 it is characterised in that drive disk away from support one end
It is provided with rocking arm, with driving side surface bolt connection in the middle part of rocking arm, the free end vertical rocker-arm of rocking arm is provided with rocking handle.
10. pulse bitbrace according to claim 9 is it is characterised in that rocking arm is arranged near the one end in drive disk axle center
Have rotating shaft installing hole and a rotating shaft buckling groove, the diameter with diameter greater than rotating shaft of rotating shaft installing hole, the width of rotating shaft buckling groove with turn
Shaft diameter matches, and rotating shaft installing hole is connected with rotating shaft buckling groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233387.XA CN104942597B (en) | 2015-05-08 | 2015-05-08 | Pulse bitbrace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233387.XA CN104942597B (en) | 2015-05-08 | 2015-05-08 | Pulse bitbrace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104942597A CN104942597A (en) | 2015-09-30 |
| CN104942597B true CN104942597B (en) | 2017-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510233387.XA Expired - Fee Related CN104942597B (en) | 2015-05-08 | 2015-05-08 | Pulse bitbrace |
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| Country | Link |
|---|---|
| CN (1) | CN104942597B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041171A (en) * | 2016-08-16 | 2016-10-26 | 刘同珍 | Hand-cranking driving type hand drill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US557328A (en) * | 1896-03-31 | Chusetts | ||
| CN2801346Y (en) * | 2005-07-04 | 2006-08-02 | 河北农业大学 | Length-adjustable hand drill for drilling tree trunk |
| CN201768938U (en) * | 2010-08-31 | 2011-03-23 | 杨高怀 | Double-speed hand drill |
| CN102198532A (en) * | 2011-05-09 | 2011-09-28 | 正阳实业投资有限公司 | Device for automatically converting positive rotation and reverse rotation of electric drill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012151816A1 (en) * | 2011-05-09 | 2012-11-15 | 正阳实业投资有限公司 | Electric drill forward and reverse rotation automatic switching apparatus |
-
2015
- 2015-05-08 CN CN201510233387.XA patent/CN104942597B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US557328A (en) * | 1896-03-31 | Chusetts | ||
| CN2801346Y (en) * | 2005-07-04 | 2006-08-02 | 河北农业大学 | Length-adjustable hand drill for drilling tree trunk |
| CN201768938U (en) * | 2010-08-31 | 2011-03-23 | 杨高怀 | Double-speed hand drill |
| CN102198532A (en) * | 2011-05-09 | 2011-09-28 | 正阳实业投资有限公司 | Device for automatically converting positive rotation and reverse rotation of electric drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104942597A (en) | 2015-09-30 |
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