CN206357028U - High precision excircle buff grinder - Google Patents
High precision excircle buff grinder Download PDFInfo
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- CN206357028U CN206357028U CN201621491010.0U CN201621491010U CN206357028U CN 206357028 U CN206357028 U CN 206357028U CN 201621491010 U CN201621491010 U CN 201621491010U CN 206357028 U CN206357028 U CN 206357028U
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- abrasive band
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Abstract
The utility model provides a kind of high precision excircle buff grinder, belongs to field of mechanical technique.The problem of it solves existing excircle polishing grinding machine inefficiency and poor polishing effect.It includes workbench and supporting plate one, supporting plate one places axle and winding wheel provided with abrasive band volume, abrasive band volume, which is placed, is arranged with original abrasive band volume on axle, supporting plate one is provided with the power unit for being used for driving winding wheel to rotate, the slide unit one that the upper surface of workbench coordinates provided with guide rail one, with guide rail one and the cylinder for driving slide unit one to move forward and backward, slide unit one is provided with supporting plate two, supporting plate two is provided with contact wheel, the abrasive band that original abrasive band volume is drawn is bypassed to be wound on winding wheel after contact wheel, and swinging structure is additionally provided with slide unit one.The utility model will not destroy the original form and dimensional precision of workpiece, but can significantly improve workpiece surface finish and precision, and simple in construction, stability is good, easy to operate.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of buff grinder, particularly a kind of high precision excircle polishing
Grinding machine.
Background technology
In construction machinery industry, some require the traditional processing technology of higher longaxones parts for rough turn-smart car-thick
Several procedures such as mill-fine grinding.The finishing of part finished surface is essentially relying on additional grinding machine and realized with wheel grinding, and
, will be by using plain wheel grinding for the piston rod of some draw ratios very big slender rod type part, such as all kinds of hydraulic cylinders
The limitation of the dynamic range of work, and because the hardness of emery wheel is larger, and contain impurity inside emery wheel, when in use, not only influence adds
Work precision, and axial workpiece can be also destroyed when serious, cause axial workpiece to scrap.Sbrasive belt grinding is just fine with its significant advantage
Appear pin, be ground relative to traditional grinding wheel cylindrical, endless abrasive belt is exactly enclosed on contact wheel and tensioning wheel by sbrasive belt grinding technique
It is cylindrical on, in the state of tensioning, make the abrasive band surface extremely delayed and the workpiece machining surface of rotation be in contact at a high speed, and one
Under fixed pressure effect, a kind of process being ground with the Relative friction motion of generation to workpiece surface.
Abroad, some industrially developed country developing rapidly due to all kinds abrasive belt grinding machine, the function of sbrasive belt grinding
Far beyond being used to derusting, the scope, the quality of machining accuracy near or above wheel grinding such as roughly grind, polish.According to phase
Pass data is introduced, the yield ratio about 1 in the annual emery wheel in the U.S. and abrasive band:1, in famous Machinery Enterprises CatePiller
Company, sbrasive belt grinding just occupies an important position.In China, sbrasive belt grinding lathe is applied to before derusting, deburring etc. mostly
Process of the phase without required precision, and it is few applied to grinding particularly high-precision grinding aspect usage quantity.Chinese patent is disclosed
A kind of external cylindrical superfinishing machine [Application No. 201510678151.7], including frame and workbench, workbench is provided with laterally leading
Rail, horizontal slide unit, traversing driving device, longitudinal rail, longitudinal slide unit and vertical shift driving mechanism；The side of horizontal slide unit is provided with
Head frame, head frame be top and rotary drive mechanism, and the opposite side of horizontal slide unit is provided with tailstock, sleeve, tailstock center and top regulation
Mechanism；Longitudinal slide unit provided with abrasive band frame, abrasive band driving shaft, abrasive band driven shaft, abrasive band motor, roll up abrasive belt wheel, put abrasive belt wheel, throwing
Halo, buffing head and polishing motor；Also include an abrasive band, the one end in abrasive band is wound on putting on abrasive belt wheel, the other end in abrasive band
Bypass and be fixed on after polishing wheel on volume abrasive belt wheel.
Although above-mentioned external cylindrical superfinishing machine has machining accuracy high, and does not result in the advantage that axial workpiece is scrapped, in order to
Complete to workpiece is ground, and needs to be axially moved workpiece while workpiece is being rotated, it passes through handwheel and transverse wire
Thick stick drives horizontal slide unit to move, so as to reach the purpose that workpiece is axially moved.When the workpiece place grinding corresponding with abrasive band
After finishing, rotating handwheel makes workpiece be axially moved a segment distance, and the new position of workpiece is ground, but in the process of grinding
In, workpiece does not do quick axial movement relative to abrasive band, and only workpiece is ground from the tangential direction of workpiece, grinding effect
It is really poor；In order to improve grinding accuracy, workpiece need to be ground repeatedly, inefficiency.
The content of the invention
The purpose of this utility model is there is above mentioned problem for existing technology, it is proposed that a kind of ground effect is good, work
Make the high precision excircle buff grinder of efficiency high.
The purpose of this utility model can be realized by following technical proposal：
This high precision excircle buff grinder, including workbench and the supporting plate one perpendicular to worktable upper surface setting, institute
The supporting plate one stated rolls up what is placed axle and can be rotated in a circumferential direction along own central axis line provided with abrasive band towards vertical on the side of workbench
Winding wheel, described abrasive band volume, which is placed, is arranged with original abrasive band volume on axle, described supporting plate one, which is provided with, to be used to drive winding
Take turns the power unit at the uniform velocity rotated along own central axis line, it is characterised in that the upper surface of the workbench is provided with along before workbench
Rear is to the guide rail one of extension, the slide unit one with the cooperation of guide rail one and positioned at the rear of guide rail one for driving slide unit one along guide rail
One cylinder moved forward and backward, described slide unit one is provided with the supporting plate two parallel with supporting plate one, described supporting plate two
Vertical to be provided with the contact wheel that rotated in a circumferential direction along own central axis line, the abrasive band that the original abrasive band volume is drawn is bypassed to twine after contact wheel
On winding wheel, the swinging structure for driving contact wheel axially to move back and forth is additionally provided with described slide unit one.
This high precision excircle buff grinder middle guide one is set along the longitudinal direction, and abrasive band volume places axle, contact wheel and winding
Left and right directions of the axis of wheel along workbench is set, and abrasive band volume places axle and the working position of winding wheel is located at same working face
Interior, the working position of contact wheel also is located in the working face, but can left and right small range swing.When being ground to workpiece,
In addition to being ground to the tangential direction of workpiece, moreover it is possible to be ground from the axial direction of workpiece, thus improve operating efficiency and
Ground effect.
The adjustment of cylinder pressure is, by an accurate electric Proportion valve, by electric scaling signal, to pass through operating system
The stepless control to compressed air is realized, the control of passing ratio valve fast forwards through retrogressing, low pressure with realizing cylinder hyperbar
Ground, which is compressed, makes contact wheel workpiece pressing, and stable gas pressure is reliable.
In above-mentioned high precision excircle buff grinder, described swinging structure include on slide unit one along workbench
The guide rail two of left and right directions extension and the slide unit two being equipped with guide rail two, above-mentioned supporting plate two are located at described slide unit two
On, the driving structure for driving slide unit two to be moved back and forth along guide rail two or so is additionally provided with described slide unit one.
Slide unit two drives supporting plate two to move together when being moved back and forth in the presence of driving structure along guide rail two or so,
And contact wheel is arranged in supporting plate two, and left and right directions of the axis along workbench of contact wheel is set, so as to realize contact
The left and right of wheel is moved back and forth.Due to being coordinated using guide rail two and slide unit two, the noise produced during motion is small, and side-to-side movement is flat
Stability is good, so as to improve grinding accuracy.
Wherein, guide rail one is crossed roller guide rail, and guide rail two is crossed roller guide rail.The cross slideway of high rigidity makes slide unit
One and slide unit two swing reliable, flexible, steady.
In above-mentioned high precision excircle buff grinder, described driving structure includes the axis phase of its axis and contact wheel
Vertical motor one, the eccentric wheel being sheathed in the rotating shaft of motor one and vertical with the axis of motor one setting of being fixed on slide unit two
The power transmission shaft with the shaft parallel of motor one is fixed with the driver plate put, described driver plate, described power transmission shaft passes through pendulum
Dynamic connecting rod is connected with eccentric wheel, and described slide unit one is provided with the supporting construction for being used for supporting motor one.
Wherein, motor one is servomotor, can be adjusted with arbitrary speed, to reach optimal ground effect.
In above-mentioned high precision excircle buff grinder, described supporting construction includes the parallel water located at the top of slide unit one
Flat board and the vertical plate parallel with driver plate on level board, described motor one is vertical on vertical plate, described
Shield is provided with towards the side of driver plate on vertical plate, above-mentioned eccentric wheel is located in the shield.Shield is made up of three sides,
It is located at top, the side away from supporting plate one and the opposite side with vertical plate respectively.
In above-mentioned high precision excircle buff grinder, one end of the eccentric wheel is the company being connected with the rotating shaft of motor one
Socket part one, its other end is the connecting portion two being connected with above-mentioned shield, and bearing one is provided between described connecting portion two and shield.
Offered on the side being oppositely arranged on shield two with vertical plate and bearing one be installed in supported hole, supported hole,
The connecting portion two of eccentric wheel is located in bearing one.
In above-mentioned high precision excircle buff grinder, one end of the swing connecting bar has in hole one, described hole one
Provided with bearing two, described eccentric wheel is located in the bearing two；The other end of swing connecting bar has in hole two, described hole two
Provided with bearing three, above-mentioned power transmission shaft is located in the bearing three.
Motor one is rotated with movable eccentric wheel during work, and eccentric wheel drivening rod is swung around power transmission shaft, in the process of swing
In there is radial direction tractive force to power transmission shaft, draw driver plate and move back and forth so as to drawing slide unit two or so.What it was moved back and forth
Speed is determined by the rotating speed of motor one；The distance and the external diameter of eccentric wheel that move back and forth and the center of eccentric wheel are determined.
In above-mentioned high precision excircle buff grinder, described power unit includes the electricity being vertical in supporting plate one
Machine two and the axle sleeve being sheathed in the rotating shaft of motor two, described axle sleeve are located at the side that supporting plate one has winding wheel, described
Winding wheel is abutted on axle sleeve all the time by a hitch structure.
Wherein, motor two is servomotor, can be equally adjusted with arbitrary speed, to reach optimal ground effect.
In above-mentioned high precision excircle buff grinder, described hitch structure is hinged in supporting plate one including one end
Articulated slab and one end are fixed on being used in supporting plate one and draw elastic component of the articulated slab close to axle sleeve, the elastic component it is another
End in the middle part of articulated slab with being fixedly connected with, and above-mentioned winding wheel is on the free end of articulated slab.
Winding wheel can directly increase, in order to ensure that winding wheel can normally be run, so setting after abrasive band winding is more and more
Articulated slab and elastic component have been put, winding wheel is leaned against all the time on axle sleeve by elastic component.
In above-mentioned high precision excircle buff grinder, described elastic component is spring.
In above-mentioned high precision excircle buff grinder, described supporting plate one is provided with directive wheel in the middle of three：It is located at
The first middle directive wheel, the second middle directive wheel between original abrasive band volume and contact wheel and between winding wheel and contact wheel
The 5th middle directive wheel, described supporting plate two is provided with directive wheels in the middle of two：Above contact wheel the 3rd in the middle of
Directive wheel and the 4th middle directive wheel positioned at the 3rd middle directive wheel rear.
It can be five that the quantity of middle directive wheel, which has altogether, or other quantity, mainly with the trends of design in abrasive band
It is defined, to Auxiliary support abrasive band and determines the trend in abrasive band.3rd middle directive wheel and the 4th middle directive wheel are located at contact
The top of wheel, does not cause interference to the working position of contact wheel.
In above-mentioned high precision excircle buff grinder, described middle directive wheel, contact wheel and motor shaft sleeve uses rubber
Glue material is made or it is coated with elastomeric material, is skidded mainly for reducing abrasive band, increases frictional force.
In above-mentioned high precision excircle buff grinder, the part that described contact wheel is contacted with abrasive band uses PUR rubber
Material is made, and its hardness is 90 ° of shore.Polishing wheel is positioned at grinding machine foremost, and abrasive band is wound with thereon, with certain pressure
The abrasive band on contact wheel is set to be contacted with workpiece, under the drive of axle sleeve, contact wheel rotates under the drive in abrasive band.
Original state, contact wheel and workpiece are released states, when needing to be processed workpiece, and cylinder promotes slide unit one
Contact wheel reach is driven, the abrasive band on contact wheel is fitted in workpiece surface with certain pressure.Motor two drives axle sleeve to rotate,
Frictional force between axle sleeve and winding wheel rotates winding wheel, and drawing contact wheel by abrasive band rotates.Motor one drives partially simultaneously
Heart wheel is rotated, and eccentric wheel drivening rod is swung around power transmission shaft, is had radial direction tractive force to power transmission shaft during swing, is led
Draw slide unit two or so to move back and forth, realize that the axial direction of contact wheel is moved back and forth.When carrying out tangential direction grinding to workpiece surface
Can also back and forth it be ground from axial direction, ground effect is good and grinding efficiency is high.
This high precision excircle buff grinder realizes that abrasive band is to determine processing workpiece by sbrasive belt grinding workpiece surface
The determinant of machining accuracy, the selection in abrasive band and using be also it is particularly important, this high precision excircle buff grinder can according to
Family difference Material Processing and surface smoothness, from the abrasive band matched.
The accuracy guarantee of this high precision excircle buff grinder be mainly it is following some：1st, contact wheel；2nd, contact wheel or so is put
Dynamic stationarity；3rd, the pressure value that contact wheel is contacted with workpiece；4th, the selection in abrasive band；5th, swing frequency and the sand of contact wheel
The velocity of rotation of band is in certain proportionate relationship.
This high precision excircle buff grinder is after grinding wheel cylindrical grinding machine fine grinding, further to improve surface roughness value,
It is the follow-up fine-processing technique of high request, the outer round surface that this high precision excircle buff grinder is applied to small-medium size workpiece is thrown
Light, polishing processing.
Compared with prior art, this high precision excircle buff grinder has advantages below：
The driving structure used that swings of contact wheel operates steadily reliable for eccentric wheel and connecting rod；Guide rail one is with leading
Rail two is the crossed roller guide rail of high-precision high rigidity, steadily reliably can neatly be run；Winding wheel by spring all the time against
It is simple in construction in rotating shaft, it is convenient and reliable；The use of delicate electrical proportioning valve, makes rollers high-efficiency rate and reliablely and stablely works；
After polishing, the original form and dimensional precision of workpiece will not be destroyed, but surface smoothness, precision can be significantly improved；And structure letter
Single, easy to operate, precision is high.
Brief description of the drawings
Fig. 1 is a kind of structural representation for preferred embodiment that the utility model is provided.
Fig. 2 is a kind of front view for preferred embodiment that the utility model is provided.
Fig. 3 is a kind of partial schematic diagram for preferred embodiment that the utility model is provided.
Fig. 4 is sectional view at A-A in Fig. 2 that the utility model is provided.
Fig. 5 is sectional view at B-B in Fig. 4 that the utility model is provided.
In figure, 1, workbench；2nd, supporting plate one；3rd, abrasive band volume places axle；4th, winding wheel；5th, original abrasive band volume；6th, guide rail
One；7th, slide unit one；8th, cylinder；9th, supporting plate two；10th, contact wheel；11st, guide rail two；12nd, slide unit two；13rd, motor one；14th, it is eccentric
Wheel；15th, driver plate；16th, power transmission shaft；17th, swing connecting bar；18th, level board；19th, vertical plate；20th, shield；21st, bearing one；22、
Bearing two；23rd, bearing three；24th, motor two；25th, axle sleeve；26th, articulated slab；27th, spring；31st, the first middle directive wheel；32nd,
Two middle directive wheels；33rd, the 3rd middle directive wheel；34th, the 4th middle directive wheel；35th, the 5th middle directive wheel.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
High precision excircle buff grinder as depicted in figs. 1 and 2, including workbench 1 and set perpendicular to the upper surface of workbench 1
The supporting plate 1 put, supporting plate 1 provided with abrasive band volume towards vertically placing axle 3 on the side of workbench 1 and can be along own central axis
The winding wheel 4 that line rotates in a circumferential direction, supporting plate 1 is arranged on the sidepiece of workbench 1, and is fixedly installed with workbench 1.Such as Fig. 1 institutes
Show, abrasive band volume, which is placed, is arranged with original abrasive band volume 5 on axle 3, supporting plate 1, which is provided with, to be used to drive winding wheel 4 along own central axis
The power unit that line at the uniform velocity rotates.
As shown in figure 4, the upper surface of workbench 1 is provided with the guide rail 1 and guide rail 1 extended along the fore-and-aft direction of workbench 1
The slide unit 1 of cooperation and positioned at the rear of guide rail 1 be used for drive the cylinder 8 that slide unit 1 is moved forward and backward along guide rail 1, slide unit
One 7, which are provided with vertical be provided with the supporting plate 29 parallel with supporting plate 1, supporting plate 29, to be rotated in a circumferential direction along own central axis line
Contact wheel 10, the abrasive bands that original abrasive band volume 5 is drawn, which are bypassed, to be wound into after contact wheel 10 on winding wheel 4, is additionally provided with slide unit 1
For the swinging structure for driving contact wheel 10 axially to move back and forth.
This high precision excircle buff grinder middle guide 1 is set along the longitudinal direction, and abrasive band volume places axle 3, the and of contact wheel 10
Left and right directions of the axis of winding wheel 4 along workbench 1 is set, and abrasive band volume places the working position of axle 3 and winding wheel 4 positioned at same
In working face, the working position of contact wheel 10 also is located in the working face, but can left and right small range swing.Enter to workpiece
During row grinding, in addition to being ground to the tangential direction of workpiece, moreover it is possible to be ground from the axial direction of workpiece, so as to improve work
Make efficiency and ground effect.
In the present embodiment, the adjustment of the pressure of cylinder 8 is the electric Proportion valve by a precision, by electric scaling signal,
Stepless control to compressed air is realized by operating system, before the control of passing ratio valve is with realizing the hyperbar of cylinder 8 quick
Enter to retreat, compress makes the workpiece pressing of contact wheel 10 low pressure, and stable gas pressure is reliable.
As shown in Figure 4 and Figure 5, swinging structure includes the guide rail extended along the left and right directions of workbench 1 on slide unit 1
2 11 and the slide unit 2 12 that is equipped with guide rail 2 11, supporting plate 29 is additionally provided with use on slide unit 2 12 on slide unit 1
The driving structure moved back and forth in driving slide unit 2 12 along guide rail 2 11 or so.
Slide unit 2 12 drives supporting plate 29 together when being moved back and forth in the presence of driving structure along guide rail 2 11 or so
Motion, and contact wheel 10 is arranged in supporting plate 29, and left and right directions setting of the axis along workbench 1 of contact wheel 10, from
And realize the left and right of contact wheel 10 and move back and forth.Due to being coordinated using guide rail 2 11 and slide unit 2 12, the noise produced during motion
It is small, and the stationarity of side-to-side movement is good, so as to improve grinding accuracy.
In the present embodiment, guide rail 1 is crossed roller guide rail, and guide rail 2 11 is crossed roller guide rail.The intersection of high rigidity
It is reliable, flexible, steady that guide rail swings slide unit 1 and slide unit 2 12.
As shown in Figure 1 and Figure 5, driving structure includes motor one 13, set of its axis with the axis perpendicular of contact wheel 10
Eccentric wheel 14 in the rotating shaft of motor 1 and be fixed on slide unit 2 12 with the axis of motor 1 is vertically disposed passes
The power transmission shaft 16 with the shaft parallel of motor 1 is fixed with dynamic plate 15, driver plate 15, power transmission shaft 16 passes through swing connecting bar 17
It is connected with eccentric wheel 14, slide unit 1 is provided with the supporting construction for being used for supporting motor 1.Wherein, motor 1 is to watch
Motor is taken, can be adjusted with arbitrary speed, to reach optimal ground effect.
As shown in Fig. 2 supporting construction includes the parallel level board 18 located at the top of slide unit 1 and on level board 18
The vertical plate 19 parallel with driver plate 15, motor 1 is vertical on vertical plate 19, towards driver plate 15 on vertical plate 19
Side is provided with shield 20, and eccentric wheel 14 is located in the shield 20.Shield 20 is made up of three sides, respectively positioned at top, remote
The side of supporting plate 1 and the opposite side with vertical plate 19.
As shown in figure 5, one end of eccentric wheel 14 is the connecting portion one that be connected with the rotating shaft of motor 1, its other end for
The connecting portion two that above-mentioned shield 20 is connected, is provided with bearing 1 between connecting portion two and shield 20.Specifically, on shield 20 2
Offered on the side being oppositely arranged with vertical plate 19 and bearing 1 is installed in supported hole, supported hole, the connection of eccentric wheel 14
Portion two is located in bearing 1.
In the present embodiment, as shown in Figure 4 and Figure 5, one end of swing connecting bar 17, which has, is provided with bearing two in hole one, hole one
22, eccentric wheel 14 is located in the bearing 2 22；The other end of swing connecting bar 17, which has, is provided with bearing 3 23 in hole two, hole two,
Power transmission shaft 16 is located in the bearing 3 23.
The band of motor 1 movable eccentric wheel 14 is rotated during work, and the drivening rod of eccentric wheel 14 is swung around power transmission shaft 16, in pendulum
There is radial direction tractive force to power transmission shaft 16 in dynamic process, draw driver plate 15 to draw slide unit 2 12 or so to backhaul
It is dynamic.Its speed moved back and forth is determined by the rotating speed of motor 1；The distance moved back and forth and the external diameter and bias of eccentric wheel 14
The center of wheel 14 is determined.
As shown in figure 3, power unit includes the motor 2 24 being vertical in supporting plate 1 and is sheathed on 2 24 turns of motor
Axle sleeve 25 on axle, axle sleeve 25 is located at the side that supporting plate 1 has winding wheel 4, and winding wheel 4 is pasted all the time by a hitch structure
Lean against on axle sleeve 25.Wherein, motor 2 24 is servomotor, can be equally adjusted with arbitrary speed, to reach optimal mill
Cut effect.
As depicted in figs. 1 and 2, the articulated slab 26 and one end that hitch structure is hinged in supporting plate 1 including one end are fixed
Being used in supporting plate 1 draws elastic component of the articulated slab 26 close to axle sleeve 25, the other end and the articulated slab 26 of elastic component
Middle part is fixedly connected with, and winding wheel 4 is on the free end of articulated slab 26.Winding wheel 4 can directly increase after abrasive band winding is more and more
Greatly, in order to ensure that winding wheel 4 can normally be run, so there is provided articulated slab 26 and elastic component, make winding wheel 4 begin by elastic component
Lean against eventually on axle sleeve 25.
In the present embodiment, as depicted in figs. 1 and 2, elastic component is spring 27.
As shown in figure 1, supporting plate 1 is provided with directive wheel in the middle of three：Between original abrasive band volume 5 and contact wheel 10
The first middle directive wheel 31, the second middle directive wheel 32 and between winding wheel 4 and contact wheel 10 the 5th in the middle of be oriented to
Wheel 35.Supporting plate 29 is provided with directive wheel in the middle of two：Positioned at the 3rd middle directive wheel 33 of the top of contact wheel 10 and positioned at the
The 4th middle directive wheel 34 at three middle directive wheel rears.
It can be five that the quantity of middle directive wheel, which has altogether, or other quantity, mainly with the trends of design in abrasive band
It is defined, to Auxiliary support abrasive band and determines the trend in abrasive band.The 3rd middle directive wheel 34 of middle directive wheel 33 and the 4th is located at
The top of contact wheel 10, does not cause interference to the working position of contact wheel 10.The trend in abrasive band as depicted in figs. 1 and 2, from original
Abrasive band volume 5 draw abrasive bands bypass successively the first middle directive wheel 31, the second middle directive wheel 32, the 3rd middle directive wheel 33,
It is wrapped in after contact wheel 10, the 4th middle directive wheel 35 of middle directive wheel 34 and the 5th on axle sleeve 25.
Skidded to reduce abrasive band, increase frictional force, middle directive wheel, contact wheel 10 and motor shaft sleeve 25 use rubber material
Material is made or it is coated with elastomeric material.
Specifically, the part that contact wheel 10 is contacted with abrasive band is made of PUR elastomeric materials, its hardness is 90 ° of shore.Throw
Halo is positioned at grinding machine foremost, and abrasive band is wound with thereon, the abrasive band on contact wheel 10 is connect with workpiece with certain pressure
Touch, under the drive of axle sleeve 25, contact wheel 10 rotates under the drive in abrasive band.
Original state, contact wheel 10 and workpiece are released states, when needing to be processed workpiece, and cylinder 8, which is promoted, to be slided
Platform 1 drives contact wheel 10 to move forward, and the abrasive band on contact wheel 10 is fitted in workpiece surface with certain pressure.The band of motor 2 24
Moving axis set 25 is rotated, and the frictional force between axle sleeve 25 and winding wheel 4 rotates winding wheel 4, and 10 turns of contact wheel is drawn by abrasive band
It is dynamic.The band of motor 1 movable eccentric wheel 14 is rotated simultaneously, and the drivening rod of eccentric wheel 14 is swung around power transmission shaft 16, in the process of swing
In to power transmission shaft 16 have radial direction tractive force, traction slide unit 2 12 or so move back and forth, the axial direction of contact wheel 10 is realized to backhaul
It is dynamic.Can also back and forth it be ground from axial direction when carrying out tangential direction grinding to workpiece surface, ground effect is good and grinding efficiency is high.
This high precision excircle buff grinder realizes that abrasive band is to determine processing workpiece by sbrasive belt grinding workpiece surface
The determinant of machining accuracy, the selection in abrasive band and using be also it is particularly important, this high precision excircle buff grinder can according to
Family difference Material Processing and surface smoothness, from the abrasive band matched.
The accuracy guarantee of this high precision excircle buff grinder be mainly it is following some：1st, contact wheel 10；2nd, contact wheel 10 is left
The stationarity of right swing；3rd, the pressure value that contact wheel 10 is contacted with workpiece；4th, the selection in abrasive band；5th, contact wheel 10 swings
Frequency and the velocity of rotation in abrasive band are in certain proportionate relationship.
This high precision excircle buff grinder is after grinding wheel cylindrical grinding machine fine grinding, further to improve surface roughness value,
It is the follow-up fine-processing technique of high request, the outer round surface that this high precision excircle buff grinder is applied to small-medium size workpiece is thrown
Light, polishing processing.
The sbrasive belt grinding provided in the present embodiment is a kind of elasticity grinding, is a kind of a variety of with grinding, grinding, polishing etc.
The complex machining process of effect, the abrasive material in abrasive band has stronger cutting complex machining process than emery wheel abrasive material, so its grinding effect
Rate is very high, up to 96%, and emery wheel grinding machine only has 52%, milling machine 57%, lathe 65%, all sbrasive belt grindings be it is a kind of very well
Energy-conservation process technology.
Sbrasive belt grinding workpiece surface quality is high, in addition to the MULTIPLE COMPOSITE processing technology effect having by its own, and also because
For for wheel grinding, sbrasive belt grinding has the title of " cold conditions grinding ", i.e. grinding temperature is low, and workpiece surface is less prone to burning
The phenomenons such as wound.
The small and stability of sbrasive belt grinding vibration is good, due to abrasive band light weight itself, the balance of its grinding process structural system
State is easily controllable, and such as abrasion such as contact wheel 10, driving wheel, tensioning wheel of all pivoting parts is minimum, in addition the elasticity mill in abrasive band
Vibration and impact that grinding is produced can greatly be mitigated or absorb by cutting effect, and grinding speed is stable, sbrasive belt grinding workpiece surface matter
Amount is mainly manifested in that surface roughness value is small, and residual stress state is good, and surface changes without microfissure or metallographic structure
Phenomenon.So sbrasive belt grinding is very beneficial for strengthening workpiece surface, workpiece fatigue strength is improved.
Sbrasive belt grinding cost is low, and this is mainly manifested in, and sbrasive belt grinding equipment is simple, and abrasive band light weight grinding force is small, is ground
Vibrate small in journey, emery wheel grinding machine is all far below to lathe rigidity and intensity requirement.Sbrasive belt grinding is simple to operate, and non-cutting time is few,
Operation is very easy, from adjustment abrasive band is changed to the clamping of workpiece to be machined, can complete in a short period of time, sbrasive belt grinding
Very safe, noise and dust are small, and easily controllable, and environmental benefit Deng does not have the danger hurted sb.'s feelings.Due to being rubber contact wheel
10, sbrasive belt grinding will not be as rigid shock of the wheel grinding to workpiece, so processing noise very little.
From the angle of environmental protection, sbrasive belt grinding is extremely to be worthy to be popularized, and flexibly, strong adaptability utilizes sand to sbrasive belt grinding technique
Band grinding can easily solve some unmanageable parts, such as axial workpiece of overlength, super large.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of high precision excircle buff grinder, including workbench (1) and the supporting plate perpendicular to the setting of workbench (1) upper surface
One (2), described supporting plate one (2) provided with abrasive band volume towards vertically placing axle (3) on the side of workbench (1) and can be along itself
The winding wheel (4) that axis rotates in a circumferential direction, described abrasive band volume, which is placed, is arranged with original abrasive band volume (5), described branch on axle (3)
Fagging one (2), which is provided with, to be used to drive the power unit that winding wheel (4) at the uniform velocity rotates along own central axis line, it is characterised in that institute
The upper surface for stating workbench (1) is provided with the guide rail one (6) extended along workbench (1) fore-and-aft direction, the cunning coordinated with guide rail one (6)
Platform one (7) and positioned at guide rail one (6) rear be used for drive the cylinder (8) that slide unit one (7) is moved forward and backward along guide rail one (6), institute
The slide unit one (7) stated is provided with the supporting plate two (9) parallel with supporting plate one (2), described supporting plate two (9) and is vertically provided with
The contact wheel (10) that can be rotated in a circumferential direction along own central axis line, the abrasive band that the original abrasive band volume (5) is drawn bypasses contact wheel (10)
After be wound on winding wheel (4), be additionally provided with described slide unit one (7) for driving contact wheel (10) the axially pendulum that moves back and forth
Dynamic structure.
2. high precision excircle buff grinder according to claim 1, it is characterised in that described swinging structure includes being located at
The guide rail two (11) extended along workbench (1) left and right directions and the slide unit being equipped with guide rail two (11) on slide unit one (7)
Two (12), above-mentioned supporting plate two (9) is additionally provided with for driving on described slide unit two (12) on described slide unit one (7)
The driving structure that dynamic slide unit two (12) is moved back and forth along guide rail two (11) left and right.
3. high precision excircle buff grinder according to claim 2, it is characterised in that described driving structure includes its axle
The motor one (13) of the axis perpendicular of line and contact wheel (10), the eccentric wheel (14) being sheathed in motor one (13) rotating shaft and consolidate
It is scheduled on the vertically disposed driver plate of axis (15) with motor one (13) on slide unit two (12), described driver plate (15) solid
Surely there is the power transmission shaft (16) with the shaft parallel of motor one (13), described power transmission shaft (16) passes through swing connecting bar (17) and bias
(14) drive connection is taken turns, described slide unit one (7) is provided with the supporting construction for being used for supporting motor one (13).
4. high precision excircle buff grinder according to claim 3, it is characterised in that described supporting construction includes parallel
Level board (18) above slide unit one (7) and the vertical plate parallel with driver plate (15) on level board (18)
(19), described motor one (13) is vertical on vertical plate (19), towards driver plate (15) on described vertical plate (19)
Side is provided with shield (20), and above-mentioned eccentric wheel (14) is located in the shield (20).
5. high precision excircle buff grinder according to claim 4, it is characterised in that one end of the eccentric wheel (14) is
The connecting portion one that rotating shaft with motor one (13) is connected, its other end is the connecting portion two being connected with above-mentioned shield (20), described
Connecting portion two and shield (20) between be provided with bearing one (21).
6. high precision excircle buff grinder according to claim 5, it is characterised in that one end of the swing connecting bar (17)
With hole one, bearing two (22) is provided with described hole one, described eccentric wheel (14) is located in the bearing two (22)；Swing
The other end of connecting rod (17), which has in hole two, described hole two, is provided with bearing three (23), and above-mentioned power transmission shaft (16) is located in this
In bearing three (23).
7. the high precision excircle buff grinder according to any one in claim 1-6, it is characterised in that described power
Unit includes the motor two (24) being vertical in supporting plate one (2) and the axle sleeve (25) being sheathed in motor two (24) rotating shaft,
Described axle sleeve (25) is located at the side that supporting plate one (2) has winding wheel (4), and described winding wheel (4) is tied by a traction
Structure is abutted on axle sleeve (25) all the time.
8. high precision excircle buff grinder according to claim 7, it is characterised in that described hitch structure includes one end
The articulated slab (26) being hinged in supporting plate one (2) and one end be fixed in supporting plate one (2) be used for draw articulated slab (26)
Close to the elastic component of axle sleeve (25), the other end of the elastic component in the middle part of articulated slab (26) with being fixedly connected with, above-mentioned winding wheel
(4) on the free end of articulated slab (26).
9. high precision excircle buff grinder according to claim 8, it is characterised in that described elastic component is spring
(27)。
10. the high precision excircle buff grinder according to any one in claim 1-6, it is characterised in that described branch
Fagging one (2) is provided with directive wheel in the middle of three：Roll up and be oriented in the middle of first between (5) and contact wheel (10) positioned at original abrasive band
(31), the second middle directive wheel (32) and the 5th middle directive wheel (35) between winding wheel (4) and contact wheel (10) are taken turns,
Described supporting plate two (9) is provided with directive wheel in the middle of two：The 3rd middle directive wheel (33) above contact wheel (10)
With the 4th middle directive wheel (34) positioned at the 3rd middle directive wheel rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491010.0U CN206357028U (en) | 2016-12-30 | 2016-12-30 | High precision excircle buff grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491010.0U CN206357028U (en) | 2016-12-30 | 2016-12-30 | High precision excircle buff grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206357028U true CN206357028U (en) | 2017-07-28 |
Family
ID=59378121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621491010.0U Active CN206357028U (en) | 2016-12-30 | 2016-12-30 | High precision excircle buff grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206357028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465715A (en) * | 2018-12-21 | 2019-03-15 | 宁波华数机器人有限公司 | A kind of cookware floating polishing belt sander |
-
2016
- 2016-12-30 CN CN201621491010.0U patent/CN206357028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465715A (en) * | 2018-12-21 | 2019-03-15 | 宁波华数机器人有限公司 | A kind of cookware floating polishing belt sander |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317502 Tangxia Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Beiping machine tool (Zhejiang) Co.,Ltd. Address before: 317502 Tangxia Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: TAIZHOU BEIPING MACHINE TOOL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |