CN104924087B - Pulse withdrawal drilling tool - Google Patents
Pulse withdrawal drilling tool Download PDFInfo
- Publication number
- CN104924087B CN104924087B CN201510233851.5A CN201510233851A CN104924087B CN 104924087 B CN104924087 B CN 104924087B CN 201510233851 A CN201510233851 A CN 201510233851A CN 104924087 B CN104924087 B CN 104924087B
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- Prior art keywords
- support
- rotating shaft
- bevel gear
- pulse
- drive disk
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- 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)
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of machining tool, more particularly, to a kind of pulse withdrawal drilling tool.Main shaft is rotatably connected on the pulse withdrawal drilling tool, including support, support, it is arranged with main shaft on driving bevel gear, support and is provided with drive disk, 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, shoe cream room is internally provided with to shoulder bar, one end of support is provided with oil dripping hole to shoulder bar, support is provided with the oil sealing projection for blocking oil dripping hole close to one end to shoulder bar.The present invention has the reversion withdrawing that can realize pulse frequency and need not change hand direction, ensure the beneficial effects such as hand velocity-stabilization.
Description
Technical field
The present invention relates to a kind of machining tool, more particularly, to a kind of pulse withdrawal drilling tool.
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 is produced in boring procedure, scrap easily blocks drill bit, it is necessary to invert drill bit
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
Realize that drill bit is inverted by reversely shaking drive disk.I.e. drive disk needs to turn clockwise several circles to drill, then during another mistake
A few circle withdrawing chip removals of pin reversion, then the drilling that turns clockwise.Need to convert the steering of drive disk in boring procedure repeatedly, 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 can not be formed muscle memory, cause hand to shake speed
It is unstable, influence drilling quality and efficiency.
As Chinese patent notification number is：CN2357687Y, a kind of staight shank hand drill announced 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 the longitudinal direction of drillstock and drill body is same
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 that drill bit is inverted when needing drill bit to invert withdrawing, chip removal by reversely shaking drive disk.I.e. drive disk is needed
Several circles are turned clockwise to drill, then a few circle withdrawing chip removals of another mistake hour hands reversion, 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 causing arm muscles different with joint force direction, easily cause hand drill deflection.And the hand action of frequent changes, make
Muscle can not form muscle memory, cause hand speed of shaking unstable, influence drilling quality and efficiency.
The content of the invention
There is provided a kind of reversion withdrawing that can realize pulse frequency and need not primarily directed to above mentioned problem by the present invention
Change hand direction and action, ensure that hand speed is basicly stable, improve drilling quality and the pulse withdrawal drilling tool of efficiency.
The purpose of the present invention is mainly what is be achieved by following proposal：A kind of pulse withdrawal drilling tool, including support,
It is rotatably connected on support on main shaft, main shaft and is arranged with driving bevel gear, drive disk is provided with support, drive disk passes through rotating shaft
It is connected with holder pivots, the axis of the axis vertical major of drive disk, the edge of drive disk is provided with sliding tooth, and sliding tooth is with driving
Dynamic bevel gear is meshed；Clutch is provided with described rotating shaft, reversing device is provided between rotating shaft and driving bevel gear,
Clutch includes the fixed disk being arranged on support and the clutch discs being set in rotating shaft, end face of the fixed disk close to clutch discs
On be provided with one section of clutch projection, clutch discs and rotating shaft eccentric setting, the one end of rotating shaft away from support is provided with back-moving spring；Instead
Rotation mechanism include with driving bevel gear it is co-axially fixed reversion bevel gear, with invert bevel gear engage adjustment gear, be set in
Counter drive gear in rotating shaft, the axis for adjusting gear is vertical with reversion bevel gear axis, and adjustment gear connects with holder pivots
Connect, the vertical range between plane where counter drive gear and plane where adjustment gear is identical with the height that clutch is raised；
Main shaft is in axial sliding connection with support, and support is provided with one section of pulse projection, driving cone tooth on the end face of driving bevel gear
Wheel 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, and described threaded one end of the support away from drill bit is connected with to shoulder bar, remote to shoulder bar
One end of support is provided with for the shoulder pad against shoulder, and shoe cream room is internally provided with to shoulder bar, to shoulder bar close to the one of support
End is provided with oil dripping hole, and support is provided with the oil sealing projection for blocking oil dripping hole close to one end to shoulder bar, set on shoulder bar
Oil-filled hole is equipped with, described side face is provided with the holding tank for depositing drill bit, two side walls of holding tank and is respectively provided with
Flexible capper arm, two flexible lidstock arms have intersection in the midline of holding tank, and flexible lidstock arm is in outwardly convex
Arc.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, the sliding tooth of driving plate edge is engaged with driving bevel gear, and drive disk turns
Driving bevel gear rotation is driven when dynamic, driving bevel gear drives main shaft rotation, and main shaft drives bit, realizes drilling.When from
When closing the clutch projection spiraled and gone on fixed disk, clutch is raised to be supported to clutch discs, moves axially clutch discs, clutch discs band
Dynamic rotating shaft and drive disk axial translation and compression reseting spring, now, the sliding tooth on drive disk depart from driving bevel gear.With
The translation of rotating shaft, the counter drive gear translation in rotating shaft is driven, due to plane where counter drive gear and adjustment gear
Vertical range between the plane of place is identical with the height that clutch is raised, therefore, on the counter drive gear and support after translation
Rotate the adjustment gear engagement of connection.When drive disk is rotated further, the counter drive gear that rotarily drives of rotating shaft rotates, reversion
Drive gear drives adjustment gear rotation, and adjustment gear driven reversion bevel gear rotation, reversion bevel gear drives main shaft and master
Bit on axle.Due to being connected between reversion bevel gear and counter drive gear by adjusting gear, therefore, main shaft is kept
When being rotated clockwise, the steering of main shaft from it is different before, realize in the reversion of drill bit, drill bit Umklapp process, scrap is exited,
It is easy to continue to drill, prevents that scrap from blocking drill bit.When clutch disc spins are after clutch is raised, back-moving spring promote drive disk,
Rotating shaft, counter drive gear, clutch discs reset, now, and counter drive gear departs from adjustment gear, the sliding tooth on drive disk
Engaged again with driving bevel gear, realize drilling.Drive disk is driven in the whole rotary course of rotating shaft, by clutch and instead
The cooperation of rotation mechanism, realizes that the steering of drive disk remains constant, without reversion manually, it becomes possible to realize the pulse frequency of drill bit
The reversion withdrawing of rate, bits are moved back, due to without change hand direction and action repeatedly, therefore easily form muscle memory, manually
The rotating speed of rotation driving 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.Due to pulse projection and driving bevel gear eccentric setting, when pulse projection and support are leaned on
When the end face of nearly driving bevel gear is fitted and rotated, the rotation of main shaft drives drill bit to realize drilling.When pulse projection is rotated to branch
When in the pulse projection on frame, pulse projection driving pulse projection axial translation, the axial translation of pulse projection drive main shaft with
And drill bit axial translation and preloading spring is compressed, now, drill bit is directed away from the direction translation of workpiece, realizes the withdrawing of drill bit,
Driven during withdrawing outside scrap tap, it is to avoid scrap blocks drill bit.After the rotation of pulse projection is raised through extra pulse, pretension
Spring promotes main shaft to be translated towards workpiece direction, and the translation driving pulse projection of main shaft is translated towards bracket end face direction, and
Drill bit impact workpiece is promoted, impulsive force is realized to processing workpiece, reduces the wilfulness in bottom hole face, and in bottom hole face in impact process
A small rut is formed, small rut can be oriented to and position to bit point of the drill, be always ensured that drill bit axially deeply.Main shaft rotation
In whole process, bit can be realized, and to realize and realize pulse frequency during drill bit withdrawing and impact, bit
Reciprocal axial translation, make boring procedure more succinct laborsaving.Threaded one end of the support away from drill bit is connected with to shoulder bar, to shoulder
The one end of bar away from support is provided with for the shoulder pad against shoulder, and during drilling, shoulder pad is resisted against on shoulder, using shoulder to shoulder
Pad and apply pressure and support force to shoulder bar, not only give drill bit to apply pressure, and can be supported to support, it is to avoid drill bit inclines
Tiltedly.Shoe cream room is internally provided with to shoulder bar, shoe cream room memory storage lubricating oil after being disassembled to shoulder bar from support, lubricates
Oil can ooze along oil dripping hole and drive disk and driving bevel gear drop are lubricated.Can be right by the oil-filled hole on shoulder bar
Make-up oil in shoe cream room.Support is provided with the oil sealing projection for blocking oil dripping hole close to one end to shoulder bar, when to shoulder
When bar is threaded on support, the oil sealing projection on support can be blocked to the oil dripping hole on shoulder bar, it is to avoid outside lubricating oil
Let out.Side face, which is provided with the holding tank for depositing drill bit, holding tank, can deposit drill bit, be easy to taking for whole instrument
Band.Flexible lidstock arm is provided with two side walls of holding tank, the opening of holding tank is blocked using flexible lidstock arm, it is to avoid is bored
Head drops out of holding tank, lost.Two flexible lidstock arms have an intersection in the midline of holding tank, drill bit need by
The intersection of two flexible lidstock arms could spin off out of holding tank, and the intersection of two flexible lidstock arms can be mutual
Mutually support, strengthen to the shut-off capacity of holding tank, and flexible lidstock arm is in the arc of outwardly convex, two flexible lidstock arms it
Between mutually supported by producing radian after bending, drill bit needs to resist the power that flexible lidstock brachiocylloosis produces could be from two flexibilities
The coincidence part office of capper arm departs from.
Preferably, described clutch projection is in circular arc, the raised two ends of clutch are provided with to be connected with fixed side surface
The guiding surface connect.It when clutch disc spins to clutch high spot, can be oriented to, be turned along guiding surface by guiding surface
Move to clutch projection, guiding surface can be oriented 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 connect.When pulse projection is rotated to pulse high spot, it can be oriented to by inclined plane is oriented to, along guiding
Inclined plane is turned in pulse projection, and being oriented to inclined plane can be oriented to pulse projection.
Preferably, being provided with driven wheel of differential on described support, driven shaft is set at the axle center of driven wheel of differential, from
With drive bevel gear axisymmetricly, symmetry axis is the axis of the rotating shaft of drive disk to dynamic bevel gear.Driven wheel of differential is set on support,
And the position of driven wheel of differential and drive bevel gear are axisymmetricly, and symmetry axis is the axis of drive disk, when driving disc spins
When drive driving bevel gear rotation, meanwhile, driven wheel of differential can be supported to drive disk, make drive disk all the time in a plane
Rotation, it is to avoid drive disk is tilted.
Preferably, described support includes two symmetrically arranged hack levers, the symmetry axis 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, two hack levers
Portion is connected with rotating shaft axle sleeve.When drilling tool in use, to support apply pressure when, due to two supports symmetry axis be 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
Claim the hack lever set to 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, rotated by main shaft sleeve
Connect main shaft, pass through driven shaft sleeve and rotate connection driven shaft, 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 close to one end of support, handle is provided with close to one end of support
Weeper, support is provided with the water shutoff projection for blocking weeper, handle close to one end of handle and is provided with filling port.
Hand is internally provided with water storage cavity close to 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, the one end of handle away from support is internally provided with the storage chamber for depositing standby grinding wheel, handle
One end end away from support is provided with the end cap for covering storage chamber, and end cap is threadedly coupled with handle.Handle is away from support
One end be internally provided with storage chamber for depositing standby grinding wheel, can be deposited in storage chamber of the handle away from support one end
Standby grinding wheel is put, the utilization rate of handle is improved.Storage chamber can be covered by end cap, and end cap is threadedly coupled with handle,
It is easy to the opening of end cap, that is, is easy to the access of grinding wheel.
Preferably, the one end of drive disk away from support is provided with driving side surface bolt connection in the middle part of rocking arm, rocking arm,
The free end vertical rocker-arm of rocking arm is provided with rocking handle.When shaking 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 close to 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, the fixation of rocking arm is realized.Similarly, by the disassembling bolts on rocking arm
Afterwards, rotating shaft is slided along rotating shaft buckling groove, when sliding at rotating shaft mounting hole, the dismounting of rocking arm can be realized.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, pulse withdrawal drilling tool of the invention possesses following advantages：1st, drive disk drives the whole of rotating shaft to rotate through
Cheng Zhong, by the cooperation of clutch and reversing device, realizes that the steering of drive disk remains constant, without reversion manually,
It can be realized as the reversion withdrawing of the pulse frequency of drill bit, move back bits, hand direction and action due to that need not change repeatedly, therefore
Muscle memory is easily formed, the rotating speed of manual rotation drive disk can be held essentially constant, improve drilling quality and speed；2nd, by
In pulse projection and driving bevel gear eccentric setting, when pulse projection is fitted and rotated close to the end face of driving bevel gear with support
When, the rotation of main shaft drives drill bit to realize drilling, and when pulse projection is rotated in the pulse projection to support, pulse projection is pushed away
Moving pulse 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 and drive outside scrap tap during the withdrawing of drill bit, withdrawing, keeps away
Exempt from scrap and block drill bit；3rd, set at the axle center of driven wheel of differential on driven shaft, driven shaft and be fixedly connected with sanding burr wheel, when
After boring procedure terminates, whole instrument can in turn be used, rotation driving disk, drive disk drives driven wheel of differential rotation,
Driven wheel of differential drives driven shaft to rotate, and driven shaft drives the rotation of sanding burr wheel, after drilling of being polished using sanding burr wheel
The burr of generation, when sanding burr wheel is not needed in use, will be threaded in shoulder bar on support, now, sanding burr wheel
Into in the accommodating cavity to shoulder bar, shoulder can be propped up to shoulder bar, support is positioned using shoulder, avoids support to incline during drilling
Tiltedly；4th, handle is internally provided with water storage cavity, water storage cavity memory storage cooling water, when handle is dismantled from support close to one end of support
After getting off, cooling water can be flowed out from weeper and drill bit is cooled down, and water storage cavity can be supplemented by the filling port on handle
Cooling water, when handle is threaded on support, the water shutoff projection on support can be blocked to weeper, it is to avoid outside cooling water
Let out；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 straight with diameter greater than rotating shaft
Footpath, be easy to rotating shaft insert rotating shaft mounting hole in, then by rotating shaft along rotating shaft buckling groove slide, due to rotating shaft buckling groove width with
The diameter of rotating shaft is engaged, rotating shaft buckling groove can countershaft it is spacing, it is to avoid rocking arm is rocked, when rotating shaft is slipped into rotating shaft buckling groove
Afterwards, rocking arm bolt connection is fixed on drive disk, realizes the fixation of rocking arm, similarly, after the disassembling bolts on rocking arm, will turned
Axle is slided along rotating shaft buckling groove, when sliding at rotating shaft mounting hole, can realize the dismounting of rocking arm.Be easy to rocking arm installation and
Dismounting, 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 present invention；
Accompanying drawing 2 is a kind of stereogram of the present 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；
Accompanying drawing 12 is the view profile of hack lever in the present invention.
Illustrate：01- supports, 011- hack levers, 0111- holding tanks, 0112- flexible lidstock arms, 012- main shaft sleeves,
013- driven shaft axle sleeves, 014- water shutoffs are raised, and 015- oil sealings 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 cavities, 072- weepers, 073- filling ports, 074- is deposited
Put chamber, 075- end caps, the standby grinding wheels of 076-, 08- rocking arms, 081- rotating shaft mounting holes, 082- rotating shaft buckling grooves, 09- rocking handles,
10- rotating shafts, 11- supports shoulder bar, 111- shoe cream rooms, 112- oil dripping holes, the oil-filled holes of 113-, 12- shoulder pads, 13- fixed disks, 131- clutches
Projection, 1311- guiding surfaces, 14- clutch discs, 15- counter drive gears, 16- adjustment gears, 17- reversion bevel gears, 18- is multiple
Position spring, 19- driven shafts, 21- pulses are raised, and 211- is oriented to inclined plane, 22- pulse projections, 23- preloading springs.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment 1：
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, it is rotatably connected on a kind of pulse withdrawing hand drill, including support 01, support
Main shaft 05, the free end of main shaft, which is provided with drill bit 06, main shaft, is arranged with driving bevel gear 03, and drive disk is provided with support
02, 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 set
There is sliding tooth 021, sliding tooth is meshed with driving bevel gear.Be provided with clutch at rotating shaft, rotating shaft and driving bevel gear it
Between be provided with reversing device.Clutch includes the fixed disk 13 being arranged on support and the clutch discs being set in rotating shaft, Gu
Price fixing is provided with one section of clutch projection 131 on the end face of clutch discs, as shown in fig. 7, clutch projection is in circular arc, clutch is convex
The two ends risen are provided with the guiding surface 1311 being connected with fixed side surface, clutch discs 14 and rotating shaft eccentric setting, and rotating shaft is remote
One end from support is provided with back-moving spring 18.Reversing device include with driving bevel gear it is co-axially fixed reversion bevel gear 17,
With reversion the bevel gear adjustment gear 16 engage, the counter drive gear 15 being set in rotating shaft, adjust gear axis and instead
Turn bevel gear axis vertical, adjustment gear is connected with holder pivots, it is flat where plane where counter drive gear and adjustment gear
Vertical range between face is identical with the height that clutch is raised.Main shaft is in axial sliding connection with support, as shown in figure 8, support is leaned on
One section of pulse projection 21 is provided with the end face of nearly driving bevel gear, pulse projection is in circular arc, and the raised two ends of pulse are all provided with
It is equipped with the guiding inclined plane 211 being connected with the end face of support.As shown in figure 5, driving bevel gear is set on the end face of support
There are pulse projection 22, pulse projection and driving bevel gear eccentric setting, the one end of driving bevel gear away from drill bit is provided with pretension
Spring 23.Setting driven shaft 19, driven wheel of differential and master at driven wheel of differential 04, the axle center of driven wheel of differential are provided with support
Axisymmetricly, symmetry axis is the axis of the rotating shaft of drive disk to dynamic bevel gear.The one end of support away from drill bit is provided with to shoulder bar 11,
Shoulder pad 12 is installed to the one end of shoulder bar 11 away from support.As shown in figure 11, shoe cream room 111 is internally provided with to shoulder bar, to shoulder
Bar is provided with oil dripping hole 112 close to one end of support, and support is provided with the envelope for blocking oil dripping hole close to one end to shoulder bar
Oily projection 015, is provided with oil-filled hole 113 on shoulder bar.Support includes two symmetrically arranged hack levers 011, pair of two hack levers
Axle is called the axis of main shaft, and 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, the integral middle of two hack levers is connected with rotating shaft axle sleeve.As shown in figure 12, it is provided with hack lever for depositing drill bit
Holding tank 0111, be provided with flexible lidstock arm 0112 on two side walls of holding tank, two flexible lidstock arms are in holding tank
Midline there is intersection, flexible lidstock arm is in the arc of outwardly convex.Be threaded with handle 07 on support, handle with
Drive disk is coaxially disposed, as shown in figure 9, handle is internally provided with water storage cavity 071 close to one end of support, handle is close to support
One end is provided with weeper 072, and support is provided with the water shutoff projection 014 for blocking weeper, handle close to one end of handle
On be provided with filling port 073.The one end of handle away from support is internally provided with the storage chamber for depositing standby grinding wheel 076
074, one end end of the handle away from support is provided with the end cap 075 for covering storage chamber, and end cap is threadedly coupled with handle.Drive
The one end of Moving plate away from support is provided with driving side surface bolt connection in the middle part of rocking arm 08, rocking arm, and the free end of rocking arm is vertical
Rocking arm is provided with rocking handle 09.As shown in Figure 10, rocking arm is provided with rotating shaft mounting hole 081 and rotating shaft close to the one end in drive disk axle center
Buckling groove 082, the diameter with diameter greater than rotating shaft of rotating shaft mounting hole, the width of rotating shaft buckling groove is engaged with shaft diameter, is turned
Axle 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, the sliding tooth of driving plate edge is 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 discs are supported as shown in figure 4, clutch is raised, 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 identical with the height that clutch is raised, therefore, after translation
The adjustment gear engagement that counter drive gear is connected with being 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, is prevented that 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, now, and 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, hand direction and action due to that need not change repeatedly, therefore hold
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, turn in clutch projection, be oriented to along guiding surface
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 be 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 all the time in a plane, it is to avoid drive disk is tilted.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 close to the end face of driving bevel gear with support, bored as shown in fig. 6, the rotation of main shaft drives drill bit to realize
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 during withdrawing outside scrap tap, it is to avoid scrap blocks drill bit.When
The rotation of pulse projection is after extra pulse projection, and preloading spring promotes main shaft to be translated 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 a small rut is formed in impact process in bottom hole face, 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
The reciprocal axial translation of pulse frequency is realized during impact, bit, makes boring procedure more succinct laborsaving.Side face
Drill bit can be deposited by being provided with the holding tank for depositing drill bit, holding tank, be easy to the carrying of whole instrument.The two of holding tank
Flexible lidstock arm is provided with individual side wall, the opening of holding tank is blocked using flexible lidstock arm, it is to avoid drill bit is out of holding tank
Drop, lose.Two flexible lidstock arms have intersection in the midline of holding tank, and drill bit is needed by two flexible lidstocks
The intersection of arm could be spun off out of holding tank, and the intersection of two flexible lidstock arms can be supported mutually, enhancing
To the shut-off capacity of holding tank, and flexible lidstock arm is in by bending between the arc of outwardly convex, two flexible lidstock arms
Produce radian afterwards mutually to support, drill bit needs to resist power that flexible lidstock brachiocylloosis produces could be from the weights of two flexible lidstock arms
Close and depart from part.Threaded one end of the support away from drill bit is connected with to shoulder bar, and the one end of shoulder bar away from support is provided with use
In the shoulder pad against shoulder, during drilling, shoulder pad is resisted against on shoulder, and pressure and support are applied to shoulder pad and to shoulder bar using shoulder
Power, not only applies pressure, and support can be supported, it is to avoid bit inclination to drill bit.Shoe cream room is internally provided with to shoulder bar,
Shoe cream room memory storage lubricating oil, after being disassembled to shoulder bar from support, lubricating oil can be oozed along oil dripping hole and to driving
Moving plate and driving bevel gear drop lubrication.Can be to make-up oil in shoe cream room by the oil-filled hole on shoulder bar.Support is leaned on
Nearly one end to shoulder bar is provided with the oil sealing projection for blocking oil dripping hole, when being threaded in shoulder bar on support, support
On oil sealing raised the oil dripping hole on shoulder bar can be blocked, it is to avoid lubricating oil leaks.When pulse projection rotate it is convex to pulse
It when at rising, can be oriented to, be turned to along inclined plane is oriented in pulse projection, being oriented to inclined plane can by inclined plane is oriented to
Pulse projection is oriented to.Driven wheel of differential is set on support, and the position of driven wheel of differential and drive bevel gear are axisymmetricly, and
And symmetry axis is the axis of drive disk, driving bevel gear rotation is driven when driving disc spins, meanwhile, driven wheel of differential can be right
Drive disk is supported, and drive disk is rotated all the time in a plane, it is to avoid drive disk is tilted.Set at the axle center of driven wheel of differential
Sanding burr wheel is fixedly connected with driven shaft, driven shaft, after boring procedure terminates, whole instrument can in turn be made
With rotation driving disk, drive disk drives driven wheel of differential rotation, and driven wheel of differential drives driven shaft to rotate, and driven shaft drives hair
Grinding wheel rotation is pierced, the burr produced after drilling of being polished using sanding burr wheel.When sanding burr wheel is not needed in use, will
It is threaded in shoulder bar on support, now, sanding burr wheel enters in the accommodating cavity of shoulder bar.Shoulder can be propped up to shoulder bar
Wing, is positioned to support using shoulder, riding is avoided during drilling.When drilling tool in use, to support apply pressure when, due to two
The symmetry axis of individual support is the axis of main shaft, and pressure can be delivered on main shaft and drill bit along support, improves drilling tool and uses
When stability, and two symmetrically arranged hack levers can improve structural strength, reduce drilling tool weight.One end of two hack levers
Main shaft sleeve is provided with, 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, connection main shaft is rotated by main shaft sleeve, rotates connection driven shaft by driven shaft sleeve, it is ensured that external force begins when drilling tool is used
Eventually can transfers on main shaft and driven shaft.Handle is threaded with support, handle is coaxially disposed with drive disk, one
During hand dynamic drive disk, another hand can hold handle and support is positioned, it is to avoid bit inclination.Handle is close to one end of support
It is internally provided with water storage cavity, water storage cavity memory storage cooling water, after handle is disassembled from support, cooling water can be from dripping
Flow out and drill bit is cooled down in hole.Cooling water can be supplemented to water storage cavity by the filling port on handle.When handle is threaded in
When on support, the water shutoff projection on support can be blocked to weeper, it is to avoid cooling leaked water.In the one end of handle away from support
Portion is provided with the storage chamber for depositing standby 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.When shaking rocking handle, rocking handle band motion rocker arm rotates, and rocking arm drives driving disc spins, realizes
Hand-operated drilling.When rocking arm is 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, the fixation of rocking arm is realized.Similarly, by after the disassembling bolts on rocking arm,
Rotating shaft is slided along rotating shaft buckling groove, when sliding at rotating shaft mounting hole, the dismounting of rocking arm can be realized.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.Clutch discs and rotating shaft eccentric setting, drive
When Moving plate turns clockwise, rotating shaft follows drive disk to drive clutch disc spins, when clutch discs are fitted rotation with the end face of fixed disk
When, the sliding tooth of driving plate edge is engaged with driving bevel gear, and driving bevel gear rotation, driving cone tooth are driven when drive disk is rotated
Wheel drives main shaft rotation, and main shaft drives bit, realizes drilling.When the clutch in clutch disc spins to fixed disk is raised,
Clutch is raised to be supported to clutch discs, moves axially clutch discs, and clutch discs drive rotating shaft and drive disk axial translation and compress multiple
Position spring, now, the sliding tooth on drive disk depart from driving bevel gear.With the translation of rotating shaft, the reversion in rotating shaft is driven
Drive gear is translated, because the vertical range between plane where plane where counter drive gear and adjustment gear and clutch are convex
The height risen is identical, and therefore, the counter drive gear after translation is engaged with rotating the adjustment gear of connection on support.Work as drive disk
When being rotated further, the counter drive gear that rotarily drives of rotating shaft rotates, and counter drive gear drives adjustment gear rotation, adjusts tooth
Wheel drives reversion bevel gear rotation, and reversion bevel gear drives the bit on main shaft and main shaft.Due to reversion bevel gear with
Connected between counter drive gear by adjusting gear, therefore, when main shaft keeps being rotated clockwise, the steering of main shaft is therewith
Preceding difference, is realized in the reversion of drill bit, drill bit Umklapp process, scrap is exited, and is easy to continue to drill, is prevented that 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, this
When, counter drive gear departs from adjustment gear, and the sliding tooth on drive disk is engaged again with driving bevel gear, realizes drilling.
Drive disk is driven in the whole rotary course of rotating shaft, by the cooperation of clutch and reversing device, realizes the steering of drive disk
Remain constant, without reversion manually, it becomes possible to realize the reversion withdrawing of the pulse frequency of drill bit, move back bits, due to without anti-
Change hand direction and action again, therefore easily form muscle memory, the rotating speed of manual rotation drive disk can be kept substantially
It is constant, improve 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 the invention lectured, 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 withdrawal drilling tool, including support, it is characterised in that be rotatably connected on main shaft, main shaft and be arranged on support
Have and drive disk is provided with driving bevel gear, support, drive disk is connected by rotating shaft with holder pivots, the axis of drive disk is vertical
The axis of main shaft, the edge of drive disk is provided with sliding tooth, and sliding tooth is meshed with driving bevel gear；Set at described rotating shaft
There is clutch, reversing device is provided between rotating shaft and driving bevel gear, clutch includes the fixation being arranged on support
Disk and the clutch discs being set in rotating shaft, fixed disk are provided with one section of clutch projection on the end face of clutch discs, clutch discs with
Rotating shaft eccentric setting, the one end of rotating shaft away from support is provided with back-moving spring；Reversing device includes coaxially solid with driving bevel gear
Fixed reversion bevel gear, with reversion bevel gear adjustment gear engage, the counter drive gear being set in rotating shaft, adjustment gear
Axis with reversion bevel gear axis it is vertical, adjustment gear be connected with holder pivots, counter drive gear place plane and adjust
Vertical range between plane where gear is identical with the height that clutch is raised；Main shaft is in axial sliding connection with support, and support is leaned on
One section of pulse projection is provided with the end face of nearly driving bevel gear, it is convex that driving bevel gear is provided with pulse on the end face of support
Block, pulse projection and driving bevel gear eccentric setting, the one end of driving bevel gear away from drill bit is provided with preloading spring, described
Threaded one end of the support away from drill bit is connected with to shoulder bar, is provided with to the one end of shoulder bar away from support for the shoulder against shoulder
Pad, shoe cream room is internally provided with to shoulder bar, one end of support is provided with oil dripping hole to shoulder bar, support is close to the one of shoulder bar
End is provided with the oil sealing projection for blocking oil dripping hole, oil-filled hole is provided with shoulder bar, described side face is provided with use
In being provided with flexible lidstock arm on the holding tank of storage drill bit, two side walls of holding tank, two flexible lidstock arms are being accommodated
The midline of groove has intersection, and flexible lidstock arm is in the arc of outwardly convex.
2. pulse withdrawal drilling tool according to claim 1, it is characterised in that described clutch projection is in circular arc, from
Close raised two ends and be provided with the guiding surface being connected with fixed side surface.
3. pulse withdrawal drilling tool according to claim 1, it is characterised in that described pulse projection is in circular arc, arteries and veins
The raised two ends of punching are provided with the guiding inclined plane being connected with the end face of support.
4. pulse withdrawal drilling tool according to claim 1, it is characterised in that be provided with described support from mantle tooth
Driven shaft is set at wheel, the axle center of driven wheel of differential, and with driving bevel gear axisymmetricly, symmetry axis is drive disk to driven wheel of differential
Rotating shaft axis.
5. the pulse withdrawal drilling tool according to claim 1 or 2 or 3 or 4, it is characterised in that described support includes two
Individual symmetrically arranged hack lever, the symmetry axis of two hack levers is the axis of main shaft, and one end of two hack levers is provided with main shaft sleeve, two
The other end of individual hack lever 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 withdrawal drilling tool according to claim 1 or 2 or 3 or 4, it is characterised in that screw thread on described support
Handle is connected with, handle is coaxially disposed with drive disk.
7. pulse withdrawal drilling tool according to claim 6, it is characterised in that handle is set inside one end of support
There is water storage cavity, handle is provided with weeper close to one end of support, and support is provided with close to one end of handle to drip for closure
The water shutoff in hole is raised, and filling port is provided with handle.
8. pulse withdrawal drilling tool according to claim 6, it is characterised in that handle is set inside one end away from support
There is the storage chamber for depositing standby grinding wheel, one end end of the handle away from support is provided with the end for covering storage chamber
Lid, end cap is threadedly coupled with handle.
9. the pulse withdrawal drilling tool according to claim 1 or 2 or 3 or 4, it is characterised in that drive disk is away from support
One end is provided with the middle part of rocking arm, rocking arm is provided with rocking handle with driving side surface bolt connection, the free end vertical rocker-arm of rocking arm.
10. pulse withdrawal drilling tool according to claim 9, it is characterised in that the one end of rocking arm close to drive disk axle center
It 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, the width of rotating shaft buckling groove
It is engaged with shaft diameter, rotating shaft mounting hole is connected with rotating shaft buckling groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233851.5A CN104924087B (en) | 2015-05-08 | 2015-05-08 | Pulse withdrawal drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233851.5A CN104924087B (en) | 2015-05-08 | 2015-05-08 | Pulse withdrawal drilling tool |
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| Publication Number | Publication Date |
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| CN104924087A CN104924087A (en) | 2015-09-23 |
| CN104924087B true CN104924087B (en) | 2017-07-14 |
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| CN201510233851.5A Expired - Fee Related CN104924087B (en) | 2015-05-08 | 2015-05-08 | Pulse withdrawal drilling tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110480049B (en) * | 2019-09-17 | 2020-06-16 | 温州创谋三维设计有限公司 | Automatic chip removing drilling robot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US557328A (en) * | 1896-03-31 | Chusetts | ||
| US3998565A (en) * | 1974-01-09 | 1976-12-21 | Daisyowa Seiki Co., Ltd. | Tapper incorporating reverse rotation mechanism |
| CN2049160U (en) * | 1987-05-16 | 1989-12-13 | 陈卫东 | Microsize multifunctional driller |
| CN101823170A (en) * | 2010-06-04 | 2010-09-08 | 中信戴卡轮毂制造股份有限公司 | Tapping machine |
| CN201768938U (en) * | 2010-08-31 | 2011-03-23 | 杨高怀 | Double-speed hand drill |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190902831A (en) * | 1909-02-05 | 1910-02-03 | Wade And Jones Ltd | Improvements in Hand Drilling Machines. |
| CN101648286B (en) * | 2008-08-14 | 2011-09-07 | 苏州宝时得电动工具有限公司 | Hammer drill |
| CN203971390U (en) * | 2014-07-24 | 2014-12-03 | 明玉平 | Self shifter racing car |
-
2015
- 2015-05-08 CN CN201510233851.5A patent/CN104924087B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US557328A (en) * | 1896-03-31 | Chusetts | ||
| US3998565A (en) * | 1974-01-09 | 1976-12-21 | Daisyowa Seiki Co., Ltd. | Tapper incorporating reverse rotation mechanism |
| CN2049160U (en) * | 1987-05-16 | 1989-12-13 | 陈卫东 | Microsize multifunctional driller |
| CN101823170A (en) * | 2010-06-04 | 2010-09-08 | 中信戴卡轮毂制造股份有限公司 | Tapping machine |
| CN201768938U (en) * | 2010-08-31 | 2011-03-23 | 杨高怀 | Double-speed hand drill |
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