CN104923824B - Multifunctional pulse withdrawing hand drill - Google Patents
Multifunctional pulse withdrawing hand drill Download PDFInfo
- Publication number
- CN104923824B CN104923824B CN201510233559.3A CN201510233559A CN104923824B CN 104923824 B CN104923824 B CN 104923824B CN 201510233559 A CN201510233559 A CN 201510233559A CN 104923824 B CN104923824 B CN 104923824B
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- China
- Prior art keywords
- support
- rotating shaft
- bevel gear
- drive disk
- pulse
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/06—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/008—Gear boxes, clutches, bearings, feeding mechanisms or like equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/024—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor driven by hands or feet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to a kind of machining tool, more particularly, to a kind of multifunctional pulse withdrawing hand drill.The multifunctional pulse withdrawing hand drill, including support, are rotatably connected to main shaft on support, driving bevel gear is arranged with main shaft, drive disk is provided with support, drive disk is connected by rotating shaft with holder pivots, the edge of drive disk is provided with sliding tooth, and sliding tooth is meshed with bevel gear;Clutch is provided with described rotating shaft, reversing device is provided between rotating shaft and driving bevel gear, 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 on the end face of support, sanding burr wheel is fixedly connected with driven shaft, the accommodating cavity for accommodating grinding wheel is provided near one end of support to shoulder bar, is threadedly coupled with support to shoulder bar.The present invention is with the reversion withdrawing that can realize pulse frequency and need not change the beneficial effects such as hand direction, the hand velocity-stabilization of guarantee.
Description
Technical field
The present invention relates to a kind of machining tool, more particularly, to a kind of multifunctional pulse withdrawing hand drill.
Background technology
The existing hand drilling tool of a class, by shaking drive disk, is rotated using the sliding tooth on drive disk come drive shaft,
And then drive bit to realize drilling.Scrap, scrap is produced easily to block drill bit, it is necessary to invert drill bit in boring procedure
Withdrawing outside scrap tap, will be further continued for drilling.But this kind of hand drilling tool, can only when needing drill bit to invert withdrawing, chip removal
Drill bit is realized by reversely shake drive disk to invert.I.e. drive disk needs to turn clockwise several circles to drill, then during another mistake
Pin reversion a few circles withdrawing chip removal, then the drilling that turns clockwise.Need to convert repeatedly the steering of drive disk in boring procedure, and it is hand
The driving force of brill derives from human arm muscle, and the hand direction of frequent changes causes arm muscles different with joint force direction,
Easily cause hand drill deflection.And the hand action of frequent changes, muscle is formed muscle memory, cause hand to shake speed
It is unstable, influence drilling quality and efficiency.
As Chinese patent notification number is:CN2357687Y, in a kind of staight shank hand drill of the bulletin of on January 12nd, 2000, should
Hand drill includes drill body, hollow rotating shaft, rotating disk and drillstock, and its drillstock is located at the afterbody of drill body, and drillstock is longitudinal same with drill body
On one straight line.The hand drill is rotated by turntable rotation band dynamic bevel gear, and bevel gear drives coaxial drill body rotation, this kind of hand
Drilling tool can only realize drill bit and invert when needing drill bit to invert withdrawing, chip removal by reversely shake drive disk.I.e. drive disk is needed
Several circles are turned clockwise to drill, then a few circles of another mistake hour hands reversion withdrawing chip removal, then the drilling that turns clockwise.Boring procedure
The middle steering for needing to convert drive disk repeatedly, and the driving force of hand drill derives from human arm muscle, the hand side of frequent changes
To, cause arm muscles different with joint force direction, easily cause hand drill deflection.And the hand action of frequent changes, make
Muscle cannot form muscle memory, cause hand speed of shaking unstable, influence drilling quality and efficiency.
The content of the invention
The present invention is primarily directed to above mentioned problem, there is provided a kind of reversion withdrawing that can realize pulse frequency and need not
Change hand direction and action, ensure that hand speed is basicly stable, improve the multifunctional pulse withdrawing hand of drilling quality and efficiency
Brace.
The purpose of the present invention is mainly what is be achieved by following proposal:A kind of multifunctional pulse withdrawing hand drill, bag
Support is included, main shaft is rotatably connected on support, driving bevel gear is arranged with main shaft, drive disk, drive disk are provided with support
It 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, is driven
Dynamic tooth is meshed with bevel gear;Clutch is provided with described rotating shaft, reversion is provided between rotating shaft and driving bevel gear
Mechanism, clutch includes the fixed disk being arranged on support and the clutch discs being set in rotating shaft, and fixed disk is near clutch discs
End face on be provided with one section of clutch projection, clutch discs and rotating shaft eccentric setting, rotating shaft are provided with reset away from one end of support
Spring;Reversing device include it is co-axially fixed with driving bevel gear reversion bevel gear with reversion bevel gear engage adjustment gear,
The counter drive gear in rotating shaft is set in, the axis for adjusting gear is vertical with reversion bevel gear axis, adjusts gear and support
Connection is rotated, the vertical range being driven reverse between plane where tooth and plane where the adjustment gear height phase raised with clutch
Together;Main shaft is in axial sliding connection with support, and support is provided with one section of pulse projection on the end face of driving bevel gear, drives cone
Gear is provided with pulse projection, pulse projection and driving bevel gear eccentric setting on the end face of support, and driving bevel gear is remote
One end of drill bit is provided with preloading spring, driven wheel of differential is provided with described support, set at the axle center of driven wheel of differential
Driven shaft is put, with drive bevel gear axisymmetricly, symmetry axis is the axis of the rotating shaft of drive disk to driven wheel of differential;It is solid on driven shaft
Surely sanding burr wheel is connected with, support is provided with to shoulder bar away from one end of drill bit, is provided near one end of support to shoulder bar
The accommodating cavity of grinding wheel is accommodated, is threadedly coupled with support to shoulder bar.Clutch discs and rotating shaft eccentric setting, drive disk turn clockwise
When, rotating shaft follows drive disk to drive clutch disc spins, when clutch discs fit rotation with the end face of fixed disk, drives plate edge
Sliding tooth is engaged with driving bevel gear, and driving bevel gear rotation is driven when drive disk is rotated, and driving bevel gear drives main shaft rotation,
Main shaft drives bit, realizes drilling.When the clutch in clutch disc spins to fixed disk is raised, clutch projection is to clutch discs
Support, moves axially clutch discs, and clutch discs drive rotating shaft and drive disk axial translation and compression reseting spring, now, drives
Sliding tooth on disk departs from driving bevel gear.With the translation of rotating shaft, the counter drive gear translation in rotating shaft is driven, due to
Vertical range between plane where counter drive gear and plane where adjustment gear is highly identical with clutch projection, because
This, counter drive gear after translation with the adjustment gear that is connected rotated on support engage.When drive disk is rotated further, rotating shaft
Rotarily drive counter drive gear rotation, counter drive gear drive adjustment gear rotation, adjustment gear driven reversion cone tooth
Wheel rotation, reversion bevel gear drives the bit on main shaft and main shaft.Due to reversion bevel gear and counter drive gear it
Between connected by adjusting gear, therefore, main shaft is kept when being rotated clockwise, the steering of main shaft and different before, realization brill
The reversion of head, in drill bit Umklapp process, scrap is exited, and is easy to continue to drill, and prevents scrap from blocking drill bit.When clutch disc spins warp
After crossing clutch projection, back-moving spring promotes drive disk, rotating shaft, counter drive gear, clutch discs to reset, and now, is driven reverse tooth
Wheel departs from adjustment gear, and the sliding tooth on drive disk is engaged again with driving bevel gear, realizes drilling.Drive disk drives rotating shaft
Whole rotary course in, by the cooperation of clutch and reversing device, realize that the steering of drive disk remains constant, nothing
Need to invert manually, it becomes possible to realize the reversion withdrawing of the pulse frequency of drill bit, move back bits, due to without changing hand direction repeatedly
And action, therefore muscle memory is easily formed, the rotating speed of manual rotation drive disk can be held essentially constant, and improve drilling quality
And speed.Main shaft is in axial sliding connection with support, i.e., main shaft can on support axial translation.Because pulse projection is bored with driving
Gear eccentricity is set, and when pulse projection is fitted and rotated with support near the end face of driving bevel gear, the rotation of main shaft drives
Drill bit realizes drilling.When pulse projection is rotated in the pulse projection to support, pulse projection driving pulse projection is axially flat
Move, the axial translation of pulse projection drives main shaft and drill bit axial translation and compresses preloading spring, and now, drill bit is directed away from
The direction translation of workpiece, realizes the withdrawing of drill bit, is driven outside scrap tap during withdrawing, it is to avoid scrap blocks drill bit.When
After extra pulse projection, preloading spring promotes main shaft to be translated towards workpiece direction to the rotation of pulse projection, and the translation of main shaft promotes arteries and veins
Rush projection to be translated towards bracket end face direction, and promote drill bit impact workpiece, impulsive force is realized to processing workpiece, reduce bottom hole
The toughness in face, and a small rut is formed in bottom hole face in impact process, small rut can be oriented to and position to bit point of the drill,
It is always ensured that drill bit axially deeply.During the entire process of main shaft rotation, bit can be realized, and realize drill bit withdrawing and
Impact, realizes the reciprocal axial translation of pulse frequency during bit, make boring procedure more succinct laborsaving.Set on support
Driven wheel of differential is put, and the position of driven wheel of differential is with drive bevel gear axisymmetricly, and also symmetry axis is the axis of drive disk,
Driving bevel gear rotation is driven when disc spins are driven, meanwhile, driven wheel of differential can be supported to drive disk, make drive disk all the time
Rotated in a plane, it is to avoid drive disk is inclined.Driven shaft is set at the axle center of driven wheel of differential, is fixedly connected on driven shaft
Jagged grinding wheel, after boring procedure terminates, can in turn use whole instrument, rotation driving disk, and drive disk drives
Driven wheel of differential rotates, and driven wheel of differential drives driven shaft to rotate, and driven shaft drives the rotation of sanding burr wheel, using sanding burr
Take turns the burr to be produced after drilling of polishing.When sanding burr wheel need not be used, will be threaded on support to shoulder bar, this
When, sanding burr wheel enters in the accommodating cavity of shoulder bar.Shoulder can be propped up to shoulder bar, support is positioned using shoulder, drilling
When avoid riding.
Preferably, it is in circular arc that described clutch is raised, the raised two ends of clutch are provided with and connect with fixed side surface
The guiding surface for connecing.When clutch disc spins to clutch high spot, can be oriented to by guiding surface, be turned along guiding surface
Move to clutch projection, guiding surface can be oriented to clutch discs.
Preferably, it is in circular arc that described pulse is raised, the raised two ends of pulse are provided with and connect with the end face of support
The guiding inclined plane for connecing.When pulse projection is rotated to pulse high spot, can be oriented to by being oriented to inclined plane, along guiding
Inclined plane is turned in pulse projection, and being oriented to inclined plane can be oriented to pulse projection.
Preferably, described support includes two symmetrically arranged hack levers, two symmetry axis of hack lever are 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 is used, when applying pressure to support, because two symmetry axis of support are main shaft
Axis, pressure can be delivered on main shaft and drill bit along support, improve stability when drilling tool is used, and two right
Claiming the hack lever for setting can improve structural strength, reduce 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
Connection main shaft, connection driven shaft is rotated by driven shaft sleeve, it is ensured that when drilling tool is used 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.Screw thread connects on support
Handle is connected to, handle is coaxially disposed with drive disk, during a hand dynamic drive disk, it is fixed to support that another hand 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 filling port is provided with handle.
Hand is internally provided with water storage cavity near one end of support, water storage cavity memory storage cooling water, after handle is disassembled 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 be blocked to weeper, it is to avoid cooling leaked water.
Preferably, handle is internally provided with the storage chamber for depositing grinding wheel away from one end of support, handle away from
One end end of support is provided with the end cap for covering storage chamber, and end cap is threadedly coupled with handle.Handle away from support one
End is internally provided with the storage chamber for depositing grinding wheel, can deposit standby in storage chamber of the handle away from support one end
Grinding wheel, improves the utilization rate of handle.Storage chamber can be covered by end cap, and end cap is threadedly coupled with handle, be easy to end cap
Opening, that is, be easy to the access of grinding wheel.
Preferably, drive disk is provided with rocking arm, rocking arm middle part and driving side surface bolt connection away from one end of support,
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 mounting hole and rotating shaft buckling groove, rotating shaft peace near the one end in drive disk axle center
The diameter with diameter greater than rotating shaft in hole is filled, the width of rotating shaft buckling groove is engaged with shaft diameter, rotating shaft mounting hole and rotating shaft card
Access slot is connected.Install rocking arm when, by rotating shaft be aligned rocking arm on rotating shaft mounting hole, due to rotating shaft mounting hole with diameter greater than turn
The diameter of axle, is easy to rotating shaft to insert in rotating shaft mounting hole, then rotating shaft is slided along rotating shaft buckling groove, due to rotating shaft buckling groove
Width is engaged with the diameter of rotating shaft, rotating shaft buckling groove can countershaft it is spacing, it is to avoid rocking arm is rocked, 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.Similarly, by the disassembling bolts on rocking arm
Afterwards, rotating shaft is slided along rotating shaft buckling groove, slides into the dismounting that rocking arm can be realized when at rotating shaft mounting hole.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, multifunctional pulse withdrawing hand drill of the invention possesses following advantages:1st, drive disk drives the whole of rotating shaft
In rotary course, by the cooperation of clutch and reversing device, realize that the steering of drive disk remains constant, without manual
Reversion, it becomes possible to realize the reversion withdrawing of the pulse frequency of drill bit, move back bits, due to without changing hand direction repeatedly and moving
Make, therefore easily form muscle memory, the rotating speed of manual rotation drive disk can be held essentially constant, improve drilling quality and speed
Degree;2nd, due to pulse projection and driving bevel gear eccentric setting, when pulse projection and support are pasted near the end face of driving bevel gear
When merging rotation, the rotation of main shaft drives drill bit to realize drilling, when pulse projection is rotated in the pulse projection to support, arteries and veins
The raised driving pulse projection axial translation of punching, the axial translation of pulse projection drives main shaft and drill bit axial translation and compresses pre-
Tight spring, now, drill bit is directed away from the direction translation of workpiece, realizes the withdrawing of drill bit, and scrap discharge is driven during withdrawing
Outside hole, it is to avoid scrap blocks drill bit;The 3rd, driven shaft is set at the axle center of driven wheel of differential, jagged beating is fixedly connected on driven shaft
Emery wheel, after boring procedure terminates, can in turn use whole instrument, rotation driving disk, and drive disk is driven from mantle tooth
Wheel rotation, driven wheel of differential drives driven shaft to rotate, and driven shaft drives the rotation of sanding burr wheel, is polished using sanding burr wheel
The burr produced after drilling, when sanding burr wheel need not be used, will be threaded on support to shoulder bar, now, burr
Grinding wheel enters in the accommodating cavity of shoulder bar, and shoulder can be propped up to shoulder bar, and support is positioned using shoulder, and branch is avoided during drilling
Frame is inclined;4th, handle is internally provided with water storage cavity, water storage cavity memory storage cooling water, when handle is from support near one end of support
After disassembling, cooling water can flow out from weeper and drill bit is cooled down, can be to water storage cavity by the filling port on handle
Supplement cooling water, when handle is threaded on support, the water shutoff projection on support can be blocked to weeper, it is to avoid cooling
Leaked water;When rocking arm the 5th, being installed, rotating shaft is directed at the rotating shaft mounting hole on rocking arm, because rotating shaft mounting hole is with diameter greater than rotating shaft
Diameter, be easy to rotating shaft insert rotating shaft mounting hole in, then by rotating shaft along rotating shaft buckling groove slide, due to the width of rotating shaft buckling groove
Degree be engaged with the diameter of rotating shaft, rotating shaft buckling groove can countershaft it is spacing, it is to avoid rocking arm is rocked, when rotating shaft slips into rotating shaft clamping
After in groove, rocking arm bolt connection is fixed on drive disk, realizes the fixation of rocking arm, similarly, by the disassembling bolts on rocking arm after,
Rotating shaft is slided along rotating shaft buckling groove, the dismounting that rocking arm can be realized when at rotating shaft mounting hole is slid into.It is easy to the peace of rocking arm
Assembly and disassembly, and ensure that rocking arm can rotate around rotating shaft all the time in rotary course.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the invention;
Accompanying drawing 2 is a kind of stereogram of the invention;
Accompanying drawing 3 is partial enlarged drawing when clutch is in bore state in the present invention;
Accompanying drawing 4 is partial enlarged drawing when clutch is in withdrawing state in the present invention;
Accompanying drawing 5 is partial enlarged drawing when driving bevel gear is in bore state in the present invention;
Accompanying drawing 6 is partial enlarged drawing when driving bevel gear is in withdrawing state in the present invention;
Accompanying drawing 7 is the stereogram of fixed disk in the present invention;
Accompanying drawing 8 is the stereogram 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 stereogram of rocking arm in the present invention;
Accompanying drawing 11 is enlarged partial sectional view at A in accompanying drawing 1.
Illustrate:01- supports, 011- hack levers, 012- main shaft sleeves, 013- driven shaft axle sleeves, 014- water shutoffs are raised,
02- drive disks, 021- sliding tooths, 03- driving bevel gears, 04- driven wheels of differential, 05- main shafts, 06- drill bits, 07- handles, 071-
Water storage cavity, 072- weepers, 073- filling ports, 074- storage chambers, 075- end caps, the standby grinding wheels of 076-, 08- rocking arms, 081-
Rotating shaft mounting hole, 082- rotating shaft buckling grooves, 09- rocking handles, 10- rotating shafts, 11- supports shoulder bar, and 114- accommodating cavities, 12- shoulder pads, 13- is solid
Price fixing, 131- clutches are raised, 1311- guiding surfaces, 14- clutch discs, 15- counter drive gears, 16- adjustment gears, 17- reversions
Bevel gear, 18- back-moving springs, 19- driven shafts, 20- sanding burr wheels, 21- pulses are raised, and 211- is oriented to inclined plane, 22- pulses
Projection, 23- preloading springs.
Specific embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment 1:
As shown in Figure 1, 2, 3, a kind of multifunctional pulse withdrawing hand drill, including support 01, is rotatably connected to master on support
Axle 05, the free end of main shaft is provided with drill bit 06, and driving bevel gear 03 is arranged with main shaft, and drive disk 02 is provided with support,
Drive disk is connected by rotating shaft 10 with holder pivots, the axis of the axis vertical major of drive disk, and the edge of drive disk is provided with
Sliding tooth 021, sliding tooth is meshed with driving bevel gear.Clutch is provided with rotating shaft, between rotating shaft and driving bevel gear
It is provided with reversing device.Clutch includes the fixed disk 13 being arranged on support and the clutch discs being set in rotating shaft, fixed
Disk is provided with one section of clutch projection 131 on the end face of clutch discs, as shown in fig. 7, it is in circular arc that clutch is raised, clutch is raised
Two ends be provided with the guiding surface 1311 be connected with fixed side surface, clutch discs 14 and rotating shaft eccentric setting, rotating shaft away from
One end of support is provided with back-moving spring 18.Reversing device include it is co-axially fixed with driving bevel gear reversion bevel gear 17 and
Adjustment gear 16, the counter drive gear 15 being set in rotating shaft of reversion bevel gear engagement, adjust axis and the reversion of gear
Bevel gear axis is vertical, and adjustment gear be connected with holder pivots, plane where counter drive gear with adjust gear place plane
Between raised highly identical of vertical range and clutch.Main shaft is in axial sliding connection with support, as shown in figure 8, support is close to
One section of pulse projection 21 is provided with the end face of driving bevel gear, it is in circular arc that pulse is raised, and the raised two ends of pulse are respectively provided with
There is the guiding inclined plane 211 being connected with the end face of support.As shown in figure 5, driving bevel gear is provided with the end face of support
Pulse projection 22, pulse projection and driving bevel gear eccentric setting, driving bevel gear are provided with pretension bullet away from one end of drill bit
Spring 23.Driven wheel of differential 04 is provided with support, driven shaft 19, driven wheel of differential and active are set at the axle center of driven wheel of differential
Axisymmetricly, symmetry axis is the axis of the rotating shaft of drive disk to bevel gear.As shown in figure 11, jagged beating is fixedly connected on driven shaft
Emery wheel 20, the accommodating cavity 114 for accommodating grinding wheel is provided with to shoulder bar near one end of support, is threadedly coupled with support to shoulder bar.
Support is provided with to shoulder bar 11 away from one end of drill bit, and shoulder pad 12 is provided with away from one end of support to shoulder bar 11.Support includes
Two symmetrically arranged hack levers 011, two symmetry axis of hack lever are the axis of main shaft, and one end of two hack levers is provided with spindle shaft
Set 012, the other end of two hack levers is provided with driven shaft axle sleeve 013, and the integral middle of two hack levers is connected with rotating shaft axle sleeve.Branch
Handle 07 is threaded with frame, handle is coaxially disposed with drive disk, as shown in figure 9, handle sets inside one end of support
Be equipped with water storage cavity 071, handle is provided with weeper 072 near one end of support, support near one end of handle be provided with for
The water shutoff projection 014 of weeper is blocked, filling port 073 is provided with handle.Handle is internally provided with use away from one end of support
In the storage chamber 074 for depositing standby grinding wheel 076, handle is provided with the end for covering storage chamber away from one end end of support
Lid 075, end cap is threadedly coupled with handle.Drive disk is provided with rocking arm 08, rocking arm middle part and drive disk end away from one end of support
Face bolt connection, the free end vertical rocker-arm of rocking arm is provided with rocking handle 09.As shown in Figure 10, rocking arm is close to the one of drive disk axle center
End is provided with rotating shaft mounting hole 081 and rotating shaft buckling groove 082, the diameter with diameter greater than rotating shaft of rotating shaft mounting hole, rotating shaft clamping
The width of groove is engaged with shaft diameter, and rotating shaft mounting hole is connected with rotating shaft buckling groove.
Clutch discs and rotating shaft eccentric setting, as shown in figure 4, when drive disk turns clockwise, rotating shaft follows drive disk to drive
Clutch disc spins, when clutch discs fit rotation with the end face of fixed disk, drive the sliding tooth of plate edge to be nibbled with driving bevel gear
Close, driving bevel gear rotation is driven when drive disk is rotated, driving bevel gear drives main shaft rotation, and main shaft drives bit, real
Now drill.When the clutch in clutch disc spins to fixed disk is raised, as shown in figure 4, clutch is raised supported to clutch discs, make from
Disk axial movement is closed, clutch discs drive rotating shaft and drive disk axial translation and compression reseting spring, now, the driving on drive disk
Tooth departs from driving bevel gear.With the translation of rotating shaft, the counter drive gear translation in rotating shaft is driven, due to being driven reverse tooth
Vertical range between plane where wheel and plane where adjustment gear is highly identical with clutch projection, therefore, after translation
Counter drive gear is engaged with the adjustment gear that is connected is rotated on support.When drive disk is rotated further, rotating shaft rotarily drives
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 inverting between bevel gear and counter drive gear by adjusting tooth
Wheel connection, therefore, main shaft is kept when being rotated clockwise, the steering of main shaft from it is different before, realize the reversion of drill bit, drill bit
In Umklapp process, scrap is exited, and is easy to continue to drill, and prevents scrap from blocking drill bit.When clutch disc spins are after clutch is raised,
Back-moving spring promotes drive disk, rotating shaft, counter drive gear, clutch discs to reset, and now, counter drive gear takes off with adjustment gear
From the sliding tooth on drive disk is engaged again with driving bevel gear, realizes drilling.Drive disk drives the whole rotary course of rotating shaft
In, by the cooperation of clutch and reversing device, realize that the steering of drive disk remains constant, without inverting manually, just
The reversion withdrawing of the pulse frequency of drill bit can be realized, bits are moved back, due to without changing hand direction and action, therefore appearance repeatedly
Muscle memory is easily formed, the rotating speed of manual rotation drive disk can be held essentially constant, improve drilling quality and speed.Work as clutch
Spiral when going to clutch high spot, can be oriented to by guiding surface, turned in clutch projection along guiding surface, be oriented to
Inclined-plane can be oriented to clutch discs.Driven wheel of differential is set on support, and the position of driven wheel of differential is in axle with drive bevel gear
Symmetrically, and symmetry axis for drive disk axis, when drive disc spins when drive driving bevel gear rotation, meanwhile, from mantle tooth
Wheel can be supported to drive disk, drive disk is rotated in a plane all the time, it is to avoid drive disk is inclined.Main shaft and support axial direction
Be slidably connected, i.e., main shaft can on support axial translation.Due to pulse projection and driving bevel gear eccentric setting, when pulse is convex
When block is fitted and rotated with support near the end face of driving bevel gear, as shown in fig. 6, the rotation of main shaft drives drill bit to realize boring
Hole.When pulse projection is rotated 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, being driven outside scrap tap during withdrawing, it is to avoid scrap blocks drill bit.When
After extra pulse projection, preloading spring promotes main shaft to be translated towards workpiece direction to the rotation of pulse projection, and the translation of main shaft promotes arteries and veins
Rush projection to be translated towards bracket end face direction, and promote drill bit impact workpiece, impulsive force is realized to processing workpiece, reduce bottom hole
The toughness in face, and a small rut is formed in bottom hole face in impact process, small rut can be oriented to and position to bit point of the drill,
It is always ensured that drill bit axially deeply.During the entire process of main shaft rotation, bit can be realized, and realize drill bit withdrawing and
Impact, realizes the reciprocal axial translation of pulse frequency during bit, make boring procedure more succinct laborsaving.Set on support
Driven wheel of differential is put, and the position of driven wheel of differential is with drive bevel gear axisymmetricly, and also symmetry axis is the axis of drive disk,
Driving bevel gear rotation is driven when disc spins are driven, meanwhile, driven wheel of differential can be supported to drive disk, make drive disk all the time
Rotated in a plane, it is to avoid drive disk is inclined.Driven shaft is set at the axle center of driven wheel of differential, is fixedly connected on driven shaft
Jagged grinding wheel, after boring procedure terminates, can in turn use whole instrument, rotation driving disk, and drive disk drives
Driven wheel of differential rotates, and driven wheel of differential drives driven shaft to rotate, and driven shaft drives the rotation of sanding burr wheel, using sanding burr
Take turns the burr to be produced after drilling of polishing.When sanding burr wheel need not be used, will be threaded on support to shoulder bar, this
When, sanding burr wheel enters in the accommodating cavity of shoulder bar.Shoulder can be propped up to shoulder bar, support is positioned using shoulder, drilling
When avoid riding.When pulse projection is rotated to pulse high spot, can be oriented to by being oriented to inclined plane, along guiding
Inclined plane is turned in pulse projection, and being oriented to inclined plane can be oriented to pulse projection.Driven wheel of differential is set on support, and from
With drive bevel gear axisymmetricly, and symmetry axis is the axis of drive disk, the band when disc spins are driven for the position of dynamic bevel gear
Dynamic driving bevel gear rotation, meanwhile, driven wheel of differential can be supported to drive disk, make drive disk all the time in a plane inward turning
Turn, it is to avoid drive disk is inclined.Driven shaft is set at the axle center of driven wheel of differential, sanding burr wheel is fixedly connected with driven shaft,
After boring procedure terminates, whole instrument can in turn be used, rotation driving disk, drive disk drives driven wheel of differential rotation
Turn, driven wheel of differential drives driven shaft to rotate, driven shaft drives the rotation of sanding burr wheel, drilling of being polished using sanding burr wheel
The burr for producing afterwards.When sanding burr wheel need not be used, will be threaded on support to shoulder bar, now, sanding burr
Wheel enters in the accommodating cavity of shoulder bar.Shoulder can be propped up to shoulder bar, support is positioned using shoulder, avoid support to incline during drilling
Tiltedly.When drilling tool is used, when applying pressure to support, because two symmetry axis of support are the axis of main shaft, pressure being capable of edge
Support to be delivered on main shaft and drill bit, improve stability when drilling tool is used, and two symmetrically arranged hack levers can
Structural strength is improved, reduces drilling tool weight.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, the integral middle of two hack levers is connected with rotating shaft axle sleeve, connection main shaft is rotated by main shaft sleeve, by driven
Axle sleeve rotates connection driven shaft, it is ensured that when drilling tool is used external force all the time can transfers on main shaft and driven shaft.On support
Handle is threaded with, handle is coaxially disposed with drive disk, during a hand dynamic drive disk, another hand can hold handle pair
Support is positioned, it is to avoid bit inclination.Handle is internally provided with water storage cavity near one end of support, water storage cavity memory storage cooling water,
After handle is disassembled from support, cooling water can flow out from weeper and drill bit is cooled down.By the water-filling on handle
Hole can supplement cooling water to water storage cavity.When handle is threaded on support, the water shutoff projection on support can be to dripping
Hole blocks, it is to avoid cooling leaked water.Handle is internally provided with the storage chamber for depositing grinding wheel away from one end of support, in handle
Hand improves the utilization rate of handle away from that can deposit standby grinding wheel in the storage chamber of support one end.Storage chamber can pass through
End cap is covered, and end cap is threadedly coupled with handle, is easy to the opening of end cap, that is, be easy to the access of grinding wheel.During shake rocking handle, shake
Grip strip motion rocker arm rotates, and rocking arm drives and drives disc spins, realizes hand-operated drilling.When rocking arm is installed, rotating shaft is aligned on rocking arm
Rotating shaft mounting hole, due to the diameter with diameter greater than rotating shaft of rotating shaft mounting hole, is easy to rotating shaft to insert in rotating shaft mounting hole, then will turn
Axle is slided along rotating shaft buckling groove, and because the width of rotating shaft buckling groove is engaged with the diameter of rotating shaft, rotating shaft buckling groove can be right
Rotating shaft is spacing, it is to avoid rocking arm is rocked, and after rotating shaft is slipped into rotating shaft buckling groove, rocking arm bolt connection is fixed on drive disk,
Realize the fixation of rocking arm.Similarly, after by the disassembling bolts on rocking arm, rotating shaft is slided along rotating shaft buckling groove, slides into rotating shaft
When at mounting hole, the dismounting of rocking arm can be realized.It is easy to the installation and removal of rocking arm, and ensures rocking arm energy in rotary course
It is enough to be rotated around rotating shaft all the time.Clutch discs and rotating shaft eccentric setting, when drive disk turns clockwise, rotating shaft follows drive disk to drive
Clutch disc spins, when clutch discs fit rotation with the end face of fixed disk, drive the sliding tooth of plate edge to be nibbled with driving bevel gear
Close, driving bevel gear rotation is driven when drive disk is rotated, driving bevel gear drives main shaft rotation, and main shaft drives bit, real
Now drill.When the clutch in clutch disc spins to fixed disk is raised, clutch is raised to be supported to clutch discs, clutch discs is axially moved
Dynamic, clutch discs drive rotating shaft and drive disk axial translation and compression reseting spring, and now, the sliding tooth on drive disk is bored with driving
Gear departs from.With the translation of rotating shaft, the counter drive gear translation in rotating shaft, the plane where counter drive gear are driven
Raised with the vertical range between plane where adjustment gear and clutch is highly identical, therefore, the reverse drive tooth after translation
Wheel with rotated on support be connected adjustment gear engagement.When drive disk is rotated further, rotating shaft rotarily drives reverse drive tooth
Wheel rotation, counter drive gear drives adjustment gear to rotate, adjustment gear driven reversion bevel gear rotation, reversion bevel gear drive
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 is kept when being rotated clockwise, the steering of main shaft from it is different before, realize the reversion of drill bit, drill bit Umklapp process
In, scrap is exited, and is easy to continue to drill, and prevents scrap from blocking drill bit.When clutch disc spins are after clutch is raised, back-moving spring
Drive disk, rotating shaft, counter drive gear, clutch discs are promoted to reset, now, counter drive gear departs from adjustment gear, drives
Sliding tooth on disk is engaged again with driving bevel gear, realizes drilling.Drive disk is driven in the whole rotary course of rotating shaft, is passed through
Clutch and the cooperation of reversing device, realize that the steering of drive disk remains constant, without reversion manually, it becomes possible to realize
The reversion withdrawing of the pulse frequency of drill bit, bits are moved back, due to without change hand direction and action repeatedly, therefore easily form flesh
Meat is remembered, and the rotating speed of manual rotation drive disk can be held essentially constant, and improves drilling quality and speed.
It should be understood that the 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
Read after the content of instruction of the present invention, 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 (9)
1. a kind of multifunctional pulse withdrawing hand drill, including support, it is characterised in that main shaft, main shaft are rotatably connected on support
On be arranged with driving bevel gear, drive disk is provided with support, drive disk is connected by rotating shaft with holder pivots, the axle of drive disk
Perpendicular to the axis of main shaft, the edge of drive disk is provided with sliding tooth to line, and sliding tooth is meshed with driving bevel gear;Described turns
Clutch is provided with axle, reversing device is provided between rotating shaft and driving bevel gear, clutch includes being arranged on support
On fixed disk and the clutch discs that are set in rotating shaft, fixed disk is provided with one section of clutch projection on the end face of clutch discs,
Clutch discs and rotating shaft eccentric setting, rotating shaft are provided with back-moving spring away from one end of support;Reversing device includes and drives cone tooth
The co-axially fixed reversion bevel gear of wheel and the reversion bevel gear adjustment gear for engaging, the counter drive gear being set in rotating shaft,
The axis for adjusting gear is vertical with reversion bevel gear axis, and adjustment gear is connected with holder pivots, flat where counter drive gear
Vertical range between face and plane where adjustment gear is highly identical with clutch projection;Main shaft and support slide axially company
Connect, support is provided with one section of pulse projection on the end face of driving bevel gear, driving bevel gear sets on the end face of support
Pulse projection, pulse projection and driving bevel gear eccentric setting are equipped with, driving bevel gear is provided with pretension away from one end of drill bit
Spring, is provided with driven wheel of differential on described support, driven shaft, driven wheel of differential and drive are set at the axle center of driven wheel of differential
Axisymmetricly, symmetry axis is the axis of the rotating shaft of drive disk to dynamic bevel gear;Sanding burr wheel, support are fixedly connected with driven shaft
One end away from drill bit is provided with to shoulder bar, is provided with the accommodating cavity for accommodating sanding burr wheel near one end of support to shoulder bar,
It is threadedly coupled with support to shoulder bar.
2. multifunctional pulse withdrawing hand drill according to claim 1, it is characterised in that it is in circular arc that described clutch is raised
Shape, the raised two ends of clutch are provided with the guiding surface being connected with fixed side surface.
3. multifunctional pulse withdrawing hand drill according to claim 1, it is characterised in that it is in circular arc that described pulse is raised
Shape, the raised two ends of pulse are provided with the guiding inclined plane being connected with the end face of support.
4. the multifunctional pulse withdrawing hand drill according to claim 1 or 2 or 3, it is characterised in that described support includes
Two symmetrically arranged hack levers, two symmetry axis of hack lever are the axis of main shaft, and one end of two hack levers is provided with main shaft sleeve,
The other end of two hack levers is provided with driven shaft axle sleeve, and the integral middle of two hack levers is connected with rotating shaft axle sleeve.
5. the multifunctional pulse withdrawing hand drill according to claim 1 or 2 or 3, it is characterised in that spiral shell on described support
Line is connected with handle, and handle is coaxially disposed with drive disk.
6. multifunctional pulse withdrawing hand drill according to claim 5, it is characterised in that handle is in one end of support
Portion is provided with water storage cavity, and handle is provided with weeper near one end of support, and support is provided with for sealing near one end of handle
The water shutoff of stifled weeper is raised, and filling port is provided with handle.
7. multifunctional pulse withdrawing hand drill according to claim 5, it is characterised in that handle is away from one end of support
Portion is provided with the storage chamber for depositing standby grinding wheel, and handle is provided with for covering storage chamber away from one end end of support
End cap, end cap is threadedly coupled with handle.
8. the multifunctional pulse withdrawing hand drill according to claim 1 or 2 or 3, it is characterised in that drive disk is away from support
One end be provided with rocking arm, rocking arm middle part with drive side surface bolt connection, the free end vertical rocker-arm of rocking arm is provided with rocking handle.
9. multifunctional pulse withdrawing hand drill according to claim 8, it is characterised in that rocking arm is near drive disk axle center
One end is provided with rotating shaft mounting hole and rotating shaft buckling groove, the diameter with diameter greater than rotating shaft of rotating shaft mounting hole, rotating shaft buckling groove
Width is engaged with shaft diameter, and rotating shaft mounting hole is connected with rotating shaft buckling groove.
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CN201510233559.3A CN104923824B (en) | 2015-05-08 | 2015-05-08 | Multifunctional pulse withdrawing hand drill |
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CN201510233559.3A CN104923824B (en) | 2015-05-08 | 2015-05-08 | Multifunctional pulse withdrawing hand drill |
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CN104923824B true CN104923824B (en) | 2017-06-13 |
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CN106041171A (en) * | 2016-08-16 | 2016-10-26 | 刘同珍 | Hand-cranking driving type hand drill |
CN108608034A (en) * | 2018-04-04 | 2018-10-02 | 常州信息职业技术学院 | It is drilled with device |
CN110653700A (en) * | 2019-09-27 | 2020-01-07 | 惠州市聚鑫盛五金机械有限公司 | Multifunctional polishing machine |
CN113089563A (en) * | 2021-04-08 | 2021-07-09 | 华东交通大学 | Railway turnout cleaning and maintaining device and method |
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GB190902831A (en) * | 1909-02-05 | 1910-02-03 | Wade And Jones Ltd | Improvements in Hand Drilling Machines. |
CN2096436U (en) * | 1991-04-02 | 1992-02-19 | 郭海 | Universal hand drill |
CN2801346Y (en) * | 2005-07-04 | 2006-08-02 | 河北农业大学 | Length regulatable hand drill for horing tree trunk |
CN203971390U (en) * | 2014-07-24 | 2014-12-03 | 明玉平 | Self shifter racing car |
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