CN104923825B - Pulse shock drilling tool - Google Patents
Pulse shock drilling tool Download PDFInfo
- Publication number
- CN104923825B CN104923825B CN201510233887.3A CN201510233887A CN104923825B CN 104923825 B CN104923825 B CN 104923825B CN 201510233887 A CN201510233887 A CN 201510233887A CN 104923825 B CN104923825 B CN 104923825B
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- Prior art keywords
- support
- rotating shaft
- bevel gear
- pulse
- drive disk
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Classifications
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- 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
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of machining tool, more particularly, to a kind of pulse shock drilling tool.The pulse shock drilling tool, including support, main shaft is rotatably connected on support, driving bevel gear is arranged with main shaft, drive disk is provided with support, drive disk is connected by rotating shaft 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 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 near the oil sealing projection being provided with to one end of shoulder bar for blocking oil dripping hole.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 pulse shock 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, 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 pulse shock drilling tool of drilling quality and efficiency.
The purpose of the present invention is mainly what is be achieved by following proposal：A kind of pulse shock drilling tool, including support, branch
Main shaft is rotatably connected on frame, driving bevel gear is arranged with main shaft, be provided with drive disk on support, drive disk by rotating shaft with
Holder pivots are connected, the axis of the axis vertical major of drive disk, and the edge of drive disk is provided with sliding tooth, sliding tooth and cone tooth
Wheel is meshed；Clutch is provided with described rotating shaft, reversing device, clutch are provided between rotating shaft and driving bevel gear
Structure includes the fixed disk being arranged on support and the clutch discs being set in rotating shaft, and fixed disk is set on the end face of clutch discs
There are one section of clutch projection, clutch discs and rotating shaft eccentric setting, rotating shaft is provided with back-moving spring away from one end of support；Reversing device
Including with driving bevel gear it is co-axially fixed reversion bevel gear with reversion bevel gear engage adjustment gear, be set in rotating shaft
Counter drive gear, adjust gear axis with reversion bevel gear axis it is vertical, adjust gear be connected with holder pivots, reversion
Vertical range between plane where sliding tooth and plane where adjustment gear is highly identical with clutch projection；Main shaft and support
It is in axial sliding connection, support is provided with one section of pulse projection on the end face of driving bevel gear, and driving bevel gear is near support
End face on be provided with pulse projection, pulse projection and driving bevel gear eccentric setting, the one end of driving bevel gear away from drill bit
Be provided with preloading spring, described support is connected with to shoulder bar away from the threaded one end of drill bit, to shoulder bar away from support one end
It is provided with for the shoulder pad against shoulder, shoe cream room is internally provided with to shoulder bar, one end of support is provided with drop to shoulder bar
Oilhole, support is provided with oil-filled hole near the oil sealing projection being provided with to one end of shoulder bar for blocking oil dripping hole on shoulder bar.
Clutch discs and rotating shaft eccentric setting, when drive disk turns clockwise, rotating shaft follows drive disk to drive clutch disc spins, works as clutch discs
Fitted with the end face of fixed disk rotation when, drive plate edge sliding tooth engage with driving bevel gear, drive disk rotation when drive
Driving bevel gear rotates, and driving bevel gear drives main shaft rotation, and main shaft drives bit, realizes drilling.When clutch disc spins
When clutch on to fixed disk is raised, clutch is raised to be supported to clutch discs, moves axially clutch discs, clutch discs drive rotating shaft and
Drive disk axial translation and compression reseting spring, now, the sliding tooth on drive disk departs from driving bevel gear.With rotating shaft
Translation, drives the counter drive gear translation in rotating shaft, plane and plane where adjustment gear where counter drive gear
Between raised highly identical of vertical range and clutch, therefore, the counter drive gear after translation is connected with rotation on support
Adjustment gear engagement.When drive disk is rotated further, the counter drive gear that rotarily drives of rotating shaft rotates, counter drive gear
Adjustment gear rotation is driven, adjustment gear driven reversion bevel gear rotation, reversion bevel gear drives the brill on main shaft and main shaft
Head rotation.Due to being connected by adjusting gear between reversion bevel gear and counter drive gear, therefore, main shaft keeps side clockwise
To rotation when, the steering of main shaft with it is different before, realize the reversion of drill bit, in drill bit Umklapp process, scrap is exited, be easy to continuation
Drilling, prevents scrap from blocking drill bit.When clutch disc spins are by after clutch projection, back-moving spring promotes drive disk, rotating shaft, reversion
Drive gear, clutch discs reset, now, counter drive gear departs from adjustment gear, and the sliding tooth on drive disk is bored with driving
Gear is engaged again, realizes drilling.Drive disk is driven in the whole rotary course of rotating shaft, by clutch and reversing device
Coordinate, realize that the steering of drive disk remains constant, without reversion manually, it becomes possible to realize the reversion of the pulse frequency of drill bit
Withdrawing, bits are moved back, due to without change hand direction and action repeatedly, therefore easily form muscle memory, manual rotation drives
The rotating speed of 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
The axial translation on support.Due to pulse projection and driving bevel gear eccentric setting, when pulse projection and support are bored near driving
When the end face of gear is fitted and rotated, the rotation of main shaft drives drill bit to realize drilling.When pulse projection rotates the arteries and veins to support
When in punching projection, pulse projection driving pulse projection axial translation, the axial translation of pulse projection drives main shaft and drill bit shaft
To translating and compressing preloading spring, now, drill bit is directed away from the direction translation of workpiece, realizes the withdrawing of drill bit, withdrawing process
Outside middle drive scrap tap, it is to avoid scrap blocks drill bit.After the rotation of pulse projection is through extra pulse projection, preloading spring is promoted
Main shaft is translated towards workpiece direction, and the translation driving pulse projection of main shaft is translated towards bracket end face direction, and promotes drill bit
Impact workpiece, impulsive force is realized to processing workpiece, reduces the toughness in bottom hole face, and form one in bottom hole face in impact process
Small rut, small rut can be oriented to and position to bit point of the drill, be always ensured that drill bit axially deeply.The whole process of main shaft rotation
In, bit can be realized, and drill bit withdrawing and impact are realized, realize that the axial direction of pulse frequency is past during bit
Multiple translation, makes boring procedure more succinct laborsaving.Support is connected with to shoulder bar away from the threaded one end of drill bit, to shoulder bar away from branch
One end of frame 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 to shoulder
Bar applies pressure and support force, not only applies pressure to drill bit, and support can be supported, it is to avoid bit inclination.To shoulder bar
It is internally provided with shoe cream room, shoe cream room memory storage lubricating oil, after being disassembled from support to shoulder bar, lubricating oil can be along
Oil dripping hole oozes and drive disk and driving bevel gear drop is lubricated.Can be to being mended in shoe cream room by the oil-filled hole on shoulder bar
Fill lubricating oil.Support is threadedly coupled near the oil sealing projection being provided with to one end of shoulder bar for blocking oil dripping hole when to shoulder bar
When on support, the oil sealing projection on support can be to the oil dripping hole closure on shoulder bar, it is to avoid lubricating oil leaks.
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 raised upper of clutch, 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 turns to the upper of 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 is with drive bevel gear 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 inclined.
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, pulse shock drilling tool of the invention possesses following advantages：1st, 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；2nd, due to
Pulse projection and driving bevel gear eccentric setting, when pulse projection is fitted and rotated with support near the end face of driving bevel gear
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 the withdrawing of drill bit, is driven outside scrap tap during withdrawing, keeps away
Exempt from scrap and block drill bit；The 3rd, driven shaft is set at the axle center of driven wheel of differential, sanding burr wheel is fixedly connected with driven shaft, 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 need not be used, will be threaded on support to shoulder bar, now, sanding burr wheel
Into 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；4th, handle is internally provided with water storage cavity, water storage cavity memory storage cooling water, when handle is dismantled from support near one end of support
After getting off, cooling water can flow 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, it is straight with diameter greater than rotating shaft due to rotating shaft mounting hole
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, by the disassembling bolts on rocking arm after, will turn
Axle is slided along rotating shaft buckling groove, slides into the dismounting that rocking arm can be realized when at rotating shaft mounting hole.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 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,
015- oil sealings are raised, 02- drive disks, 021- sliding tooths, 03- driving bevel gears, 04- driven wheels of differential, 05- main shafts, and 06- is bored
Head, 07- handles, 071- water storage cavities, 072- weepers, 073- filling ports, 074- storage chambers, 075- end caps, the standby polishings of 076-
Wheel, 08- rocking arms, 081- rotating shaft mounting holes, 082- rotating shaft buckling grooves, 09- rocking handles, 10- rotating shafts, 11- supports shoulder bar, 111- oil storages
Chamber, 112- oil dripping holes, the oil-filled holes of 113-, 12- shoulder pads, 13- fixed disks, 131- clutches are raised, 1311- guiding surfaces, 14- clutches
Disk, 15- counter drive gears, 16- adjustment gears, 17- reversion bevel gears, 18- back-moving springs, 21- pulses are raised, and 211- is oriented to
Inclined plane, 22- pulse projections, 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 pulse shock drilling tool, including support 01, is rotatably connected to main shaft 05, main shaft on support
Free end drill bit 06 is installed, driving bevel gear 03 is arranged with main shaft, drive disk 02 is provided with support, drive disk passes through
Rotating shaft 10 is connected with holder pivots, and the axis of the axis vertical major of drive disk, the edge of drive disk is provided with sliding tooth 021,
Sliding tooth is meshed with driving bevel gear.Clutch is provided with rotating shaft, reversion is provided between rotating shaft and driving bevel gear
Mechanism.Clutch includes the fixed disk 13 being arranged on support and the clutch discs being set in rotating shaft, and fixed disk is near clutch
One section of clutch projection 131 is provided with the end face of disk, as shown in fig. 7, it is in circular arc that clutch is raised, the raised two ends of clutch are all provided with
It is equipped with the guiding surface 1311 being connected with fixed side surface, clutch discs 14 and rotating shaft eccentric setting, the one end of rotating shaft away from support
It is provided with back-moving spring 18.Reversing device includes reversion bevel gear 17 co-axially fixed with driving bevel gear and reversion bevel gear
The adjustment gear 16 of engagement, the counter drive gear 15 being set in rotating shaft, adjust the axis and reversion bevel gear axis of gear
Vertically, adjustment gear is connected with holder pivots, vertical between plane where counter drive gear and plane where adjustment gear
Distance is highly identical with clutch projection.Main shaft is in axial sliding connection with support, as shown in figure 8, support is near driving bevel gear
End face on be provided with one section of pulse projection 21, it is in circular arc that pulse is raised, and the raised two ends of pulse are provided with and support
The guiding inclined plane 211 of end face connection.As shown in figure 5, driving bevel gear is provided with pulse projection 22 on the end face of support,
Pulse projection and driving bevel gear eccentric setting, driving bevel gear are provided with preloading spring 23 away from one end of drill bit.On support
Driven wheel of differential 04 is provided with, driven shaft is set at the axle center of driven wheel of differential, driven wheel of differential is in axle pair with drive bevel gear
Claim, symmetry axis is the axis of the rotating shaft of drive disk.Support is provided with to shoulder bar 11 away from one end of drill bit, to shoulder bar 11 away from branch
One end of frame is provided with shoulder pad 12.As shown in figure 11, shoe cream room 111 is internally provided with to shoulder bar, to shoulder bar near the one of support
End is provided with oil dripping hole 112, and support is provided with the oil sealing projection 015 for blocking oil dripping hole near the one end for supporting shoulder bar, to shoulder
Oil-filled hole 113 is provided with bar.Support includes two symmetrically arranged hack levers 011, and 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 012, and the other end of two hack levers is provided with driven shaft axle sleeve 013, two framves
The integral middle of bar is connected with rotating shaft axle sleeve.Handle 07 is threaded with support, handle is coaxially disposed with drive disk, such as Fig. 9
Shown, handle is internally provided with water storage cavity 071 near one end of support, and handle is provided with weeper 072 near one end of support,
Support is provided with the water shutoff projection 014 for blocking weeper near one end of handle, and filling port 073 is provided with handle.
Hand is internally provided with the storage chamber 074 for depositing standby grinding wheel 076, the one end of handle away from support away from one end of support
End is provided with the end cap 075 for covering storage chamber, and end cap is threadedly coupled with handle.Drive disk is set away from one end of support
There is rocking arm 08, rocking arm middle part is provided with rocking handle 09 with driving side surface bolt connection, the free end vertical rocker-arm of rocking arm.Such as Figure 10
Shown, rocking arm is provided with rotating shaft mounting hole 081 and rotating shaft buckling groove 082 near the one end in drive disk axle center, rotating shaft mounting hole
With diameter greater than the diameter of rotating shaft, the width of rotating shaft buckling groove is engaged with shaft diameter, rotating shaft mounting hole and rotating shaft buckling groove phase
Connection.
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, raised upper of clutch is turned to along guiding surface, lead
Clutch discs can be oriented to inclined-plane.Driven wheel of differential is set on support, and the position of driven wheel of differential is in drive bevel gear
Axial symmetry, and symmetry axis is the axis of drive disk, and driving bevel gear rotation is driven when disc spins are driven, meanwhile, from mantle
Gear 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 shaft
To being slidably connected, i.e., main shaft can on support axial translation.Due to pulse projection and driving bevel gear eccentric setting, work as pulse
When projection 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.Support away from
The threaded one end of drill bit is connected with to shoulder bar, is provided with for the shoulder pad against shoulder, drilling away from one end of support to shoulder bar
When, shoulder pad is resisted against on shoulder, and pressure and support force are applied to shoulder pad and to shoulder bar using shoulder, not only applies to press to drill bit
Power, and support can be supported, it is to avoid bit inclination.Shoe cream room is internally provided with to shoulder bar, shoe cream room memory storage lubricating oil,
After being disassembled from support to shoulder bar, lubricating oil can be oozed and to drive disk and driving bevel gear drop along oil dripping hole
Lubrication.Can be to make-up oil in shoe cream room by the oil-filled hole on shoulder bar.Support is provided near the one end to shoulder bar
Oil sealing for blocking oil dripping hole is raised, and when being threaded on support to shoulder bar, the oil sealing projection on support can be to supporting
Oil dripping hole closure on shoulder bar, it is to avoid lubricating oil leaks.When pulse projection is rotated to pulse high spot, can be inclined by guiding
The guiding on inclined-plane, the upper of pulse projection is turned to along inclined plane is oriented to, and being oriented to inclined plane can be oriented to pulse projection.Support
Upper setting driven wheel of differential, and the position of driven wheel of differential is with drive bevel gear axisymmetricly, and also symmetry axis is drive disk
Axis, driving bevel gear rotation is driven when disc spins are driven, meanwhile, driven wheel of differential can be supported to drive disk, make driving
Disk is rotated in a plane all the time, it is to avoid drive disk is inclined.Driven shaft is set at the axle center of driven wheel of differential, it is solid on driven shaft
Surely sanding burr wheel is connected with, after boring procedure terminates, whole instrument can be in turn used, rotation driving disk, driven
Disk drives driven wheel of differential rotation, and driven wheel of differential drives driven shaft to rotate, and driven shaft drives the rotation of sanding burr wheel, using hair
Thorn grinding wheel is come the burr of generation after drilling of polishing.When sanding burr wheel need not be used, branch will be threaded in shoulder bar
On frame, now, sanding burr wheel enters in the accommodating cavity of shoulder bar.Shoulder can be propped up to shoulder bar, it is fixed to support using shoulder
Position, avoids riding during drilling.When drilling tool is used, when applying pressure to support, based on two symmetry axis of support
The axis of axle, pressure can be delivered on main shaft and drill bit along support, improve stability when drilling tool is used, and two
Symmetrically arranged hack lever can improve structural strength, reduce drilling tool weight.One end of two hack levers is provided with main shaft sleeve, two
The other end of hack lever is provided with driven shaft axle sleeve, and the integral middle of two hack levers is connected with rotating shaft axle sleeve, is turned by main shaft sleeve
Dynamic 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 leading
On axle and driven shaft.Handle is threaded with support, handle is coaxially disposed with drive disk, during a hand dynamic drive disk, separately
One hand can hold handle and 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 and cold to drill bit from weeper
But.Cooling water can be supplemented to water storage cavity by the filling port on handle.When handle is threaded on support, on support
Water shutoff projection can be blocked to weeper, it is to avoid cooling leaked water.Handle is internally provided with for depositing away from one end of support
The storage chamber of grinding wheel, can deposit standby grinding wheel in storage chamber of the handle away from support one end, improve the profit of handle
With rate.Storage chamber can be covered by end cap, and end cap is threadedly coupled with handle, be easy to the opening of end cap, that is, be easy to grinding wheel
Access.During shake rocking handle, rocking handle band motion rocker arm rotates, and rocking arm drives and drives disc spins, realizes hand-operated drilling.Rocking arm is installed
When, rotating shaft is directed at the rotating shaft mounting hole on rocking arm, due to the diameter with diameter greater than rotating shaft of rotating shaft mounting hole, it is easy to rotating shaft to insert
Enter in rotating shaft mounting hole, then rotating shaft is slided along rotating shaft buckling groove, due to the diameter phase of width and the rotating shaft of rotating shaft buckling groove
Coordinate, rotating shaft buckling groove can countershaft it is spacing, it is to avoid rocking arm is rocked, after rotating shaft is slipped into rotating shaft buckling groove, by rocking arm spiral shell
Bolt is fastened on drive disk, realizes the fixation of rocking arm.Similarly, after by the disassembling bolts on rocking arm, by rotating shaft along rotating shaft
Buckling groove is slided, and slides into the dismounting that rocking arm can be realized when at rotating shaft mounting hole.It is easy to the installation and removal of rocking arm, and
Ensure that rocking arm can rotate around rotating shaft all the time in rotary course.Clutch discs and rotating shaft eccentric setting, drive disk dextrorotation
When turning, 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 engaged with driving bevel gear, drive disk rotate when drive driving bevel gear rotation, driving bevel gear drive main shaft rotation
Turn, main shaft drives bit, realize drilling.When the clutch in clutch disc spins to fixed disk is raised, clutch it is raised to from
Disk support is closed, clutch discs are moved axially, clutch discs drive rotating shaft and drive disk axial translation and compression reseting spring, now,
Sliding tooth on drive disk departs from driving bevel gear.With the translation of rotating shaft, the counter drive gear translation in rotating shaft is driven,
Vertical range where counter drive gear between plane and plane where adjustment gear is highly identical with clutch projection,
Therefore, the counter drive gear after translation is engaged with the adjustment gear that is connected is rotated on support.When drive disk is rotated further, turn
The counter drive gear that rotarily drives of axle rotates, and counter drive gear drives adjustment gear rotation, and adjustment gear driven inverts cone
Gear rotates, and reversion bevel gear drives the bit on main shaft and main shaft.Due to reversion bevel gear and counter drive gear
Between connected by adjusting gear, therefore, main shaft is kept when being rotated clockwise, the steering of main shaft and different before, realization
The reversion of drill bit, 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
By after clutch projection, back-moving spring promotes drive disk, rotating shaft, counter drive gear, clutch discs to reset, and now, is driven reverse
Gear departs from adjustment gear, and the sliding tooth on drive disk is engaged again with driving bevel gear, realizes drilling.Drive disk drives and turns
In the whole rotary course of axle, by the cooperation of clutch and reversing device, realize that the steering of drive disk remains constant,
Without inverting manually, it becomes possible to realize the reversion withdrawing of the pulse frequency of drill bit, move back bits, due to without changing hand side repeatedly
To and action, therefore easily form muscle memory, the rotating speed of manual rotation drive disk can be held essentially constant, and improve drilling matter
Amount 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 (10)
1. a kind of pulse shock drilling tool, including support, it is characterised in that main shaft is rotatably connected on support, is arranged with main shaft
Driving bevel gear, is provided with drive disk on support, drive disk is connected by rotating shaft with holder pivots, the axis of drive disk perpendicular to
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, rotating shaft is provided with back-moving spring away from one end of support；Reversing device includes coaxially solid with driving bevel gear
Fixed reversion bevel gear and the reversion bevel gear adjustment gear for engaging, the counter drive gear being set in rotating shaft, adjust 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 highly identical with clutch projection；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, driving bevel gear are provided with preloading spring away from one end of drill bit；Described
Support is connected with to shoulder bar away from the threaded one end of drill bit, is provided with for the shoulder against shoulder away from one end of support to shoulder bar
Pad, shoe cream room is internally provided with to shoulder bar, and one end of support is provided with oil dripping hole to shoulder bar, and support is near to the one of shoulder bar
End is provided with the oil sealing projection for blocking oil dripping hole, and oil-filled hole is provided with shoulder bar.
2. pulse shock drilling tool according to claim 1, it is characterised in that it is in circular arc, clutch that described clutch is raised
Raised two ends are provided with the guiding surface being connected with fixed side surface.
3. pulse shock drilling tool according to claim 1, it is characterised in that it is in circular arc, pulse that described pulse is raised
Raised two ends are provided with the guiding inclined plane being connected with the end face of support.
4. pulse shock drilling tool according to claim 1, it is characterised in that be provided with described support from mantle tooth
Wheel, sets driven shaft at the axle center of driven wheel of differential, with driving bevel gear axisymmetricly, symmetry axis is drive disk to driven wheel of differential
Rotating shaft axis.
5. the pulse shock drilling tool according to claim 1 or 2 or 3 or 4, it is characterised in that described support includes two
Symmetrically arranged hack lever, 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, two
The other end of 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 shock drilling tool according to claim 1 or 2 or 3 or 4, it is characterised in that screw thread connects on described support
Handle is connected to, handle is coaxially disposed with drive disk.
7. pulse shock drilling tool according to claim 6, it is characterised in that handle is internally provided near one end of support
Water storage cavity, handle is provided with weeper near one end of support, and support is provided with for blocking weeper near one end of handle
Water shutoff it is raised, filling port is provided with handle.
8. pulse shock drilling tool according to claim 6, it is characterised in that handle is internally provided with away from one end of support
Storage chamber for depositing standby grinding wheel, handle is provided with the end cap for covering storage chamber away from one end end of support,
End cap is threadedly coupled with handle.
9. the pulse shock drilling tool according to claim 1 or 2 or 3 or 4, it is characterised in that drive disk away from support one
End is provided with rocking arm, and rocking arm middle part is provided with rocking handle with driving side surface bolt connection, the free end vertical rocker-arm of rocking arm.
10. pulse shock drilling tool according to claim 9, it is characterised in that rocking arm sets near the one end in drive disk axle center
Be equipped 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 with
Shaft diameter is engaged, and rotating shaft mounting hole is connected with rotating shaft buckling groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233887.3A CN104923825B (en) | 2015-05-08 | 2015-05-08 | Pulse shock drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233887.3A CN104923825B (en) | 2015-05-08 | 2015-05-08 | Pulse shock drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104923825A CN104923825A (en) | 2015-09-23 |
| CN104923825B true CN104923825B (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510233887.3A Expired - Fee Related CN104923825B (en) | 2015-05-08 | 2015-05-08 | Pulse shock drilling tool |
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| Country | Link |
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| CN (1) | CN104923825B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041171A (en) * | 2016-08-16 | 2016-10-26 | 刘同珍 | Hand-cranking driving type hand drill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-05-08 CN CN201510233887.3A patent/CN104923825B/en not_active Expired - Fee Related
Patent Citations (4)
| 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. |
| 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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| Publication number | Publication date |
|---|---|
| CN104923825A (en) | 2015-09-23 |
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Granted publication date: 20170613 Termination date: 20180508 |