CN208051008U - A kind of centrifugal pump impeller cover board machining spiral groove device - Google Patents
A kind of centrifugal pump impeller cover board machining spiral groove device Download PDFInfo
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- CN208051008U CN208051008U CN201721897704.9U CN201721897704U CN208051008U CN 208051008 U CN208051008 U CN 208051008U CN 201721897704 U CN201721897704 U CN 201721897704U CN 208051008 U CN208051008 U CN 208051008U
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- 238000003754 machining Methods 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 18
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- 238000003801 milling Methods 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 13
- 230000002441 reversible effect Effects 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 4
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- 239000007788 liquid Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
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Abstract
A kind of centrifugal pump impeller cover board machining spiral groove device, support unit including being used to support, clamping driving unit, the feed unit for driving clamping driving unit linear motion and the cutter unit for processing spiral grooves on impeller for installing impeller and impeller being driven to rotate in a circumferential direction, the feed unit is mounted on the support unit top, and the clamping driving unit is for linear motion by the driving of the feed unit;The cutter unit is mounted on support unit and is suspended from the part of clamping driving unit impeller mounting portion, and keeps the cutting edge of the cutter unit machined surface towards impeller always.The utility model has the beneficial effects that:Helicla flute is processed at the impeller cover back side, the loss that turbulent flow is reduced when impeller being made to rotate reaches energy-efficient purpose to improve impeller adiabatic efficiency.This processing unit (plant), has the characteristics that easy to operate, simple in structure, efficient, and can reduce energy consumption, pollution-free.
Description
Technical field
The utility model is related to a kind of centrifugal pump impeller cover board machining spiral groove devices.
Background technology
Along with global energy consume continuous promotion, scientists by energy put into how effectively utilization with
It protects above energy field.The frictional resistance for trying reduction vehicle surface, becomes the break-through point for developing energy saving technology.
Skin friction resistance occupies prodigious ratio among drag overall, and in the subregion of liquid flow surface, flowing is at
The state of turbulent flow, so research turbulent boundary layer drag reduction meaning is very great.Centrifugal pump impeller at work, on the outside of cover board and
Disc friction caused by outer rim rubs with pump intracavity liquid can have a great impact to the efficiency of pump, increase its energy damage
It loses.
In recent years, groove drag reduction was identified as most effective drag reduction mode.For the processing of pipeline groove, existing pipeline
Robot can carry out rotation processing into pipeline.But for centrifugal pump impeller cover board, lack special process equipment now.
Invention content
To solve the above problems, the utility model provides a kind of centrifugal pump impeller cover board machining spiral groove device and its adds
Work method, it is intended that batch processes helicla flute at the impeller cover back side, the loss of turbulent flow is reduced when impeller being made to rotate, to improve
Impeller adiabatic efficiency reaches energy-efficient purpose.This processing unit (plant), have the characteristics that it is easy to operate, simple in structure, efficient, and can
To reduce energy consumption, pollution-free.
A kind of centrifugal pump impeller cover board machining spiral groove device described in the utility model, it is characterised in that:Including being used for
The support unit of support, for installing impeller and driving clamping driving unit that impeller rotates in a circumferential direction, for driving clamping driving
The feed unit of unit linear motion and the cutter unit for processing spiral grooves on impeller, the feed unit installation
On the support unit top, the clamping driving unit is for linear motion by the driving of the feed unit;The cutting is single
Member is mounted on support unit and is suspended from the part of clamping driving unit impeller mounting portion, and keeps the cutting edge of cutter unit face always
To the machined surface of impeller;
The support unit includes pedestal and bearing, and the pedestal top is equipped with open cavity, the pedestal it is upper
Portion is equipped with the linear guide slided for clamping driving unit in an axial direction, and the bottom of the bearing and the pedestal are affixed, the branch
The top of seat carries the cantilever beam being suspended from above pedestal and for installing cutter unit;The axial direction for defining pedestal is rectilinear orbit
Central axis direction;
The clamping driving unit includes workbench, driving motor, worm-gear speed reducer, impeller erecting bed and clamping
The side of part, the workbench is equipped with unthreaded hole, and the bottom of the workbench is slidably connected with the linear guide on the pedestal, institute
Workbench is stated with the impeller mounting platform for installing impeller, and impeller mounting platform is equipped with for accommodating impeller erecting bed
Through-hole;The driving motor and the worm-gear speed reducer are packed in the workbench, and the driving motor
The worm screw that output shaft is used as power intake by first shaft coupling with the worm-gear speed reducer is connected, the worm and gear
Speed reducer realizes impeller as the impeller erecting bed for being fixedly mounted with lower part on the output shaft of power output end along through-hole and being axially inserted into it
Erecting bed can rotate in a circumferential direction around central axis;The top of the impeller erecting bed is higher by the upper surface of workbench, and formation is used for
The impeller mounting portion of impeller is installed, and matches the clamping element for being useful for locking impeller in impeller mounting portion;
The feed unit includes lead screw, conical gear and handwheel, and the lead screw axially penetrates through the work along pedestal
Both ends are mounted on the base after platform side wall unthreaded hole, and lead screw is connect with base rotation;The center of the conical gear, which is equipped with, to be used
It is rotatablely connected by bearing and the workbench in the wheel hub of the threaded hole for being inserted into lead screw and being spirally connected therewith, the conical gear,
The conical gear is engaged with the impeller erecting bed so that conical gear is under the driving of impeller erecting bed around its own center
Axis rotates in a circumferential direction movement;The handwheel is mounted on one end of the lead screw, for adjusting impeller to starting Working position;
The cutter unit includes cutting motor, motor cabinet, spring chuck and vertical milling cutter, and the motor cabinet is mounted on
Bearing overarm arm is located at one end right over impeller;The cutting motor is packed on the motor cabinet, the driving of cutting motor
Axis is directed toward impeller, and the spring chuck of vertical milling cutter is installed by second shaft coupling, and the bottom clamping of the spring chuck is used for
To the vertical milling cutter that impeller is processed, and the vertical milling cutter for being processed to impeller surface, the cutting edge of vertical milling cutter
Finished surface towards impeller;During impeller rotation, the cutting edge of vertical milling cutter is contacted with the finished surface of impeller always, is stood
Under the movement after the superposition of pedestal linear slide, spiral is processed in impeller surface in impeller rotation and impeller for formula milling cutter
Slot.
The impeller erecting bed is along its axial impeller mounting portion being divided into from top to bottom for fixing impeller and for being inserted into
Bevel gear engaging section engage in workbench through-hole and with conical gear, the impeller mounting portion are cylinder, and the impeller
Along its axial detachable equipped with an installation axle for feeling relieved to impeller, the top of installation axle, which is equipped with, to be used at the center of mounting portion
It is caught in the reverse frustoconic voussoir of impeller center through-hole, the top outer diameter of reverse frustoconic voussoir is more than its underpart outer diameter, and inverted round stage
The top outer diameter of shape voussoir and the central through hole of impeller coordinate, and realize the centering to impeller;The surface edge of the impeller mounting portion
It is radially provided with a plurality of radial thread groove, and one end of radial slot extends to impeller mounting portion outer, and the other end passes at installation axle,
And every radial slot is provided with clamping element, the clamping element includes a fastening bolt and an arc grip slide, described tight
Fixing bolt is spirally connected with the radial slot, and the arc grip slide is slidably connected with the radial slot, and by fastening accordingly
Screw clamp is realized on impeller outer wall to be processed to the circumferentially fixed of impeller.
The surface of the impeller mounting portion is radially equipped with 3 radial thread grooves.
The pedestal includes rectangular base plate, two pieces of rectangular side panels and two end plates, and wherein rectangular side panels are along rectangular base plate
Long side direction right angle setting, end plate is along the short side direction right angle setting of rectangular base plate, the rectangular base plate, two pieces of rectangular side panels
And two end plates surround the babinet of the cuboid of a upper end opening jointly.
The part of rectangular side panels is higher by the top of end plate equipped with the mounting hole for installing lead screw, the lead screw passes through insertion
The bearing of mounting hole and the end plate are rotatablely connected, and realize that lead screw rotates in a circumferential direction movement around its own axis.
The upper edge of the rectangular side panels is respectively provided with straight line guide rail along its length, and every rectilinear orbit is by two
The V-block composition of parallel arrangement, and there are the grooves for blocking workbench sliding edge edge between V-block.
Bearing is fixedly mounted on one of end plate, and the top of bearing is suspended to workbench direction bending formation on workbench
The cantilever beam of side.
The workbench is inverted U-shaped structure, and it is recessed that two parallel sliding edges of wherein workbench are caught in corresponding the linear guide
In slot, realize that the two is slidably connected.
The worm-gear speed reducer includes babinet, cover board, worm screw, worm gear and output shaft, the babinet and the cover board
The reduction box for installing the worm screw, worm gear is surrounded, wherein by corresponding bearing support in reduction box, the two turns worm screw
Dynamic connection, worm gear is by output shaft in reduction box;One end of worm screw stretched out out of babinet after by first shaft coupling with drive
The output end of dynamic motor is connected;The external gear of worm screw is engaged with worm gear, and worm gear and the output shaft for being inserted heart hole are keyed;It is defeated
The other end of shaft is inserted into the central hole of impeller erecting bed after cover board stretching, and the two is keyed by connecting key and realizes impeller
Erecting bed it is circumferentially fixed, the two is locked by the round nut that is set on the output shaft and is spirally connected therewith, common with the output shaft shaft shoulder
The axial restraint of impeller erecting bed is realized in effect;The output shaft be located at the parts of worm gear both sides respectively dress there are one deep-groove ball axis
It holds, the axial movement for limiting output shaft.
Utilize a kind of processing method that centrifugal pump impeller cover board machining spiral groove device carries out described in the utility model, packet
Include following steps:
1) vertical milling cutter for being processed in impeller surface is installed in second shaft coupling bottom;
2) impeller to be processed is put, and handwheel is rotated by arc grip slide and reverse frustoconic voussoir, is slowly adjusted
The position of workbench just stops when vertical milling cutter being made just to have touched Impeller Machining surface to be processed, then dismantles lower installation axle, prevents
Only reverse frustoconic voussoir interferes groove processing in process, and impeller location is initial position to be processed at this time for definition;
3) start driving motor, drive workbench to continue the direction moved before while impeller erecting bed rotates
Mobile, the combination of rotary motion and the translational motion of impeller makes back shroud of impeller process helicla flute;
4) driving motor inverts, and cutter is exited finished surface, then adjust operating position, driving electricity by rotation hand wheel
Machine inverts, and carries out the processing of second of groove;
5) repeated several times step 3), 4) completes the processing to an impeller cover helicla flute;
6) driving motor is closed, the part after processing is removed, rotation hand wheel adjusts the position of workbench;
7) 2~7 steps are repeated, other impellers to be processed are processed.
Here a helix is processed.(but if special requirement, this device can also process a plurality of helix).Workbench
Movement controlled by the rotation of motor, workbench is processed from right toward moving left, after processing, motor reversal, workpiece
It withdraws from left to right, calculates a cycle in this way.Motor independent control.
The utility model has the beneficial effects that:1) two motors have only been used, the circumgyration incision of a control cutter, one
The rotation of parts to be processed and the feeding of workbench are controlled, simple in structure, easy to operate, efficiency is higher;2) by clamping device with
Conical gear is combined together to form impeller erecting bed, keeps structure more compact, saves space, reduces intermediate link, improves
Efficiency;3) the centering mode of parts to be processed is relatively new and simple to operation;4) concave, bottom surface and ground is integrally presented in pedestal
Face forms and comes into contact in a large area, intermediate hollow out, ensures reduction material while the space of gear operation, it is ensured that the helicla flute processed
The basic demand of drag reduction can be met.
Description of the drawings
Fig. 1 is the graphics of the utility model structure;
Fig. 2 is the front view of the utility model structure;
Fig. 3 is clamping gear unit front view;
Fig. 4 is clamping gear unit left view;
Fig. 5 is feed unit structure chart;
Fig. 6 cutter unit structure charts;
Fig. 7 is worm-gear speed reducer structure chart;
The centering mode figure of the parts to be processed of Fig. 8.
Specific implementation mode
The utility model is further illustrated below in conjunction with the accompanying drawings
With reference to attached drawing:
A kind of centrifugal pump impeller cover board machining spiral groove device described in the utility model of embodiment 1, including be used to support
Support unit 1, for installing impeller and driving clamping driving unit 2 that impeller rotates in a circumferential direction, for driving clamping driving single
The feed unit 3 of member linear motion and the cutter unit 4 for processing spiral grooves on impeller, the feed unit 3 are pacified
Mounted in 1 top of the support unit, the clamping driving unit 2 is for linear motion by the driving of the feed unit 3;It is described to cut
It cuts unit 4 and is suspended from the part of clamping driving unit impeller mounting portion mounted on support unit 1, and keep the cutting edge of cutter unit
Always the machined surface towards impeller;
The support unit 1 includes pedestal 11 and bearing 12, and 11 top of the pedestal is equipped with open cavity, the bottom
The top of seat 11 is equipped with the linear guide 13 slided for clamping driving unit, the bottom of the bearing 12 and the pedestal in an axial direction
11 is affixed, and the top of the bearing 12, which carries, is suspended from 11 top of pedestal and the cantilever beam 121 for installing cutter unit;Define bottom
The axial direction of seat is the central axis direction of rectilinear orbit;
The clamping driving unit 2 includes workbench 21, driving motor 22, worm-gear speed reducer 23, impeller erecting bed
24 and clamping element 25, the side of the workbench 21 is equipped with unthreaded hole, the bottom of the workbench 21 on the pedestal 11
The linear guide 13 is slidably connected, and the workbench 21 has the impeller mounting platform for installing impeller, and impeller mounting platform
It is equipped with the through-hole for accommodating impeller erecting bed;The driving motor 22 and the worm-gear speed reducer 23 are packed in described
21 internal face of workbench, and the output shaft of the driving motor 22 passes through first shaft coupling 26 and the worm-gear speed reducer
23 are connected as the worm screw of power intake, and the worm-gear speed reducer 23 on the output shaft of power output end as being fixedly mounted with down
Portion is axially inserted into the impeller erecting bed 24 in it along through-hole, realizes that impeller erecting bed 24 can rotate in a circumferential direction around central axis;Institute
The top for stating impeller erecting bed 24 is higher by the upper surface of workbench, forms the impeller mounting portion 241 for installing impeller, and in leaf
Wheel mounting portion 241 matches the clamping element 25 for being useful for locking impeller;
The feed unit 3 includes lead screw 31, conical gear 32 and handwheel 33, and the lead screw 31 is axially penetrated through along pedestal
Both ends are installed on the pedestal 11 after 21 side wall unthreaded hole of the workbench, and lead screw 31 is rotatablely connected with pedestal 11;The circular cone
The center of gear 32 is equipped with the threaded hole for being inserted into lead screw 31 and being spirally connected therewith, and the wheel hub of the conical gear 32 passes through bearing
311 are rotatablely connected with the workbench 21, and the bearing inner race and outer ring are interference fitted with the lead screw 31 and pedestal 11 respectively,
Axially position is carried out to the bearing 311 by first bearing end cap 312 and the shaft shoulder, the conical gear 32 is pacified with the impeller
It fills platform 24 to engage so that conical gear 32 rotates in a circumferential direction movement under the driving of impeller erecting bed 24 around its own central shaft;
The handwheel 33 is mounted on one end of the lead screw 31, for adjusting impeller to starting Working position;The wheel of conical gear 32
It is cased with double-row conical bearing 321 on hub, 321 inner ring of double-row conical bearing and the outer ring wheel with conical gear 32 respectively
Hub and workbench 21 are interference fitted;The bolt that bearing fixed side panel 34 is axially distributed by 4 is fixed on workbench 21, with work
Make platform 21 and axial restraint is carried out to the outer ring of the double-row conical bearing 321 together, inner ring is respectively by sleeve 35 and wheel hub
Left hand projection carries out axial restraint;The lead screw 31 is fixed, by the rotation of conical gear 32 make itself along lead screw 31 into
Row moves, and then the movement of entire workbench 21 is driven by double-row conical bearing 321.When needing repositioning, can lead to
Cross the position that handwheel 33 drives the rotation adjustment workbench 21 of lead screw 31;The cutter unit 4 includes cutting motor 41, motor cabinet
42, spring chuck 43 and vertical milling cutter 44, the motor cabinet 42 are mounted on one that bearing overarm arm 121 is located at right over impeller
End;The cutting motor 41 is packed on the motor cabinet 42, and the drive shaft of cutting motor 41 is directed toward impeller, and passes through second
Spring chuck 43 of the installation of axis device 45 for vertical milling cutter 44, the bottom of the spring chuck are clamped for being processed to impeller
Vertical milling cutter 44, and finished surface of the cutting edge of vertical milling cutter 44 towards impeller;During impeller rotation, vertical milling cutter 44
Cutting edge contacted always with the finished surface of impeller, vertical milling cutter 44 is in impeller rotation and impeller along pedestal linear slide
Under movement after superposition, helicla flute is processed in impeller surface, cutter only rotation when work, without axial feed.
The impeller erecting bed 24 is axially divided into the impeller mounting portion 241 for fixing impeller along it and is used for from top to bottom
It is inserted into the bevel gear engaging section 242 engaged in workbench through-hole and with conical gear, the impeller mounting portion 241 is cylinder,
And the center of the impeller mounting portion 241 along its axial detachable equipped with an installation axle 243 for feel relieved to impeller, install
The top of axis 243 is equipped with reverse frustoconic voussoir 244 for being caught in impeller center through-hole, outside the top of reverse frustoconic voussoir 244
Diameter is more than its underpart outer diameter, and the central through hole of the top outer diameter of reverse frustoconic voussoir 244 and impeller coordinates, and realizes to impeller
Centering;The surface of the impeller mounting portion 241 is radially equipped with a plurality of radial thread groove 2411, and one end of radial slot 2411 is prolonged
Impeller mounting portion outer is extended to, the other end passes at installation axle 243, and every radial slot 2411 is provided with clamping element 25, described
Clamping element includes a fastening bolt 251 and an arc grip slide 252, the fastening bolt 251 and the radial slot
2411 are spirally connected, and the arc grip slide 252 is slidably connected with the radial slot 2411, and passes through corresponding trip bolt 251
It is clipped on impeller outer wall to be processed, realizes to the circumferentially fixed of impeller.
The surface of the impeller mounting portion 241 is radially equipped with 3 radial thread grooves 2411.
The pedestal 11 includes 111, two pieces of rectangular side panels 112 of rectangular base plate and two end plates 113, wherein rectangular side panels
Long side direction along rectangular base plate is integrally formed, and end plate is vertically mounted on two by four screws along the short side direction of rectangular base plate
End, the rectangular base plate, two pieces of rectangular side panels and two end plates surround the case of the cuboid of a upper end opening jointly
The top of body, end plate is triangular structure.
The top of end plate 113 is higher by the part of rectangular side panels 112 equipped with the mounting hole for installing lead screw, and the lead screw is logical
The bearing and the end plate for crossing embedded mounting hole are rotatablely connected, and realize that lead screw rotates in a circumferential direction movement around its own axis.
The upper edge of the rectangular side panels 112 is respectively provided with straight line guide rail along its length, and every rectilinear orbit is equal
It is made of the V-block of two parallel arrangements, and there are the grooves for blocking workbench sliding edge edge between V-block.
Bearing 12 is fixedly mounted on one of end plate 113, and the top of bearing 12 is suspended to workbench direction bending formation
Cantilever beam 121 above workbench.
The workbench is inverted U-shaped structure, and it is recessed that two parallel sliding edges of wherein workbench are caught in corresponding the linear guide
In slot, realize that the two is slidably connected.
The worm-gear speed reducer 23 includes babinet 231, cover board 232, worm screw 233, worm gear 234 and output shaft 235, institute
State the inner wall that babinet 231 is secured by bolts in workbench;The babinet 231 surrounds described for installing with the cover board 232
Worm screw 233, worm gear 234 reduction box, wherein worm screw 233 by corresponding bearing support in reduction box, the two rotation connection,
Worm gear 234 is by output shaft 235 in reduction box;One end of worm screw 233 passes through first shaft coupling after being stretched out out of babinet 231
26 are connected with the output end of driving motor 22;The external gear of worm screw 233 is engaged with worm gear 234, worm gear 234 and is inserted heart hole
Output shaft 235 be keyed;The other end of output shaft 235 is inserted into the central hole of impeller erecting bed 24 after the stretching of cover board 232,
The two is keyed by connecting key 238 realizes the circumferentially fixed of impeller erecting bed 24, the two by be sleeved on output shaft 235 and with
The round nut 236 that is spirally connected lock, the axial restraint of impeller erecting bed 24, i.e. institute are realized with 235 shaft shoulder collective effect of output shaft
It states round nut 236 to be sleeved on output shaft 235, and axially position is carried out by the shaft shoulder and impeller erecting bed 24;The output shaft 235
It is respectively filled there are one deep groove ball bearing 237 positioned at the part of 234 both sides of worm gear, the axial movement for limiting output shaft, two pairs of depths
Ditch ball bearing 237 carries out axially position by sleeve, bearing (ball) cover 239 and babinet 231 respectively, bears axial load.Driving electricity
Machine 22 rotates, and by the deceleration of worm-gear speed reducer 25, drives the rotation of output shaft 235, passes through 238 impeller of connecting key
The rotation of erecting bed 24, to which impeller erecting bed 24 rotates.In conjunction with shown in Fig. 7, parts to be processed passes through a truncated cone-shaped
Voussoir is felt relieved, and truncated cone-shaped voussoir is passed through from impeller center circular hole, and truncated cone-shaped voussoir outer diameter is made to block impeller internal circular hole, from
And realize the positioning and centering to impeller.Three arc grip slides carry out at 3 points under the action of three tight fixed bolts to impeller
It positions and steps up, impeller detachably descends truncated cone-shaped voussoir after clamping, and interference is generated when preventing cutting auger slot.
First shaft coupling 26 and second shaft coupling 45 are yielding coupling.
Embodiment 2 utilizes a kind of processing that centrifugal pump impeller cover board machining spiral groove device carries out described in the utility model
Method includes the following steps:
1) vertical milling cutter 44 for being processed in impeller surface is installed in 45 bottom of second shaft coupling;
2) impeller to be processed is put, and after being fixed by arc grip slide and reverse frustoconic voussoir, rotates handwheel,
Just stop when slowly the position of adjustment workbench makes vertical milling cutter just touch Impeller Machining surface to be processed, then the lower peace of dismounting
Axis is filled, prevents reverse frustoconic voussoir in process from interfering groove processing, impeller location is initial position to be processed at this time for definition;
3) start driving motor, drive workbench to continue the direction moved before while impeller erecting bed rotates
Mobile, the combination of rotary motion and the translational motion of impeller makes back shroud of impeller process helicla flute;
4) driving motor inverts, and cutter is exited finished surface, then adjust operating position, driving electricity by rotation hand wheel
Machine inverts, and carries out the processing of second of groove.
5) repeated several times step 4 completes the processing to an impeller cover helicla flute.
6) driving motor is closed, the part after processing is removed, rotation hand wheel adjusts the position of workbench;
7) 2~7 steps are repeated, other impellers to be processed are processed.
Content described in this specification embodiment is only enumerating for the way of realization conceived to utility model, this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, the scope of protection of the utility model is also wrapped
Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (9)
1. a kind of centrifugal pump impeller cover board machining spiral groove device, it is characterised in that:Including be used to support support unit, be used for
Installation impeller and clamping driving unit, the feeding list for driving clamping driving unit linear motion for driving impeller to rotate in a circumferential direction
Cutter unit first and for processing spiral grooves on impeller, the feed unit are mounted on the support unit top,
The clamping driving unit is for linear motion by the driving of the feed unit;The cutter unit is suspended from mounted on support unit
The part of driving unit impeller mounting portion is clamped, and keeps the cutting edge of the cutter unit machined surface towards impeller always;
The support unit includes pedestal and bearing, and the pedestal top is equipped with open cavity, the top edge of the pedestal
It is axially arranged with the linear guide slided for clamping driving unit, the bottom of the bearing and the pedestal are affixed, the bearing
Top carries the cantilever beam being suspended from above pedestal and for installing cutter unit;The axial direction for defining pedestal is the center of rectilinear orbit
Axis direction;
The clamping driving unit includes workbench, driving motor, worm-gear speed reducer, impeller erecting bed and clamping element,
The side of the workbench is equipped with unthreaded hole, and the bottom of the workbench is slidably connected with the linear guide on the pedestal, described
Workbench has the impeller mounting platform for installing impeller, and impeller mounting platform is equipped with for accommodating impeller erecting bed
Through-hole;The driving motor and the worm-gear speed reducer are packed in the workbench, and the driving motor is defeated
The worm screw that shaft is used as power intake by first shaft coupling with the worm-gear speed reducer is connected, and the worm and gear subtracts
Fast machine realizes impeller peace as the impeller erecting bed for being fixedly mounted with lower part on the output shaft of power output end along through-hole and being axially inserted into it
Dress platform can rotate in a circumferential direction around central axis;The top of the impeller erecting bed is higher by the upper surface of workbench, is formed for pacifying
The impeller mounting portion of impeller is filled, and matches the clamping element for being useful for locking impeller in impeller mounting portion;
The feed unit includes lead screw, conical gear and handwheel, and the lead screw axially penetrates through the workbench side along pedestal
Both ends are mounted on the base after wall unthreaded hole, and lead screw is connect with base rotation;The center of the conical gear is equipped with for inserting
The wheel hub of the threaded hole for entering lead screw and being spirally connected therewith, the conical gear is rotatablely connected by bearing and the workbench, described
Conical gear is engaged with the impeller erecting bed so that conical gear is done under the driving of impeller erecting bed around its own central shaft
Rotate in a circumferential direction movement;The handwheel is mounted on one end of the lead screw, for adjusting impeller to starting Working position;
The cutter unit includes cutting motor, motor cabinet, spring chuck and vertical milling cutter, and the motor cabinet is mounted on bearing
Overarm arm is located at one end right over impeller;The cutting motor is packed on the motor cabinet, and the drive shaft of cutting motor refers to
To impeller, and by the spring chuck of second shaft coupling installation vertical milling cutter, the bottom of the spring chuck is clamped for leaf
Take turns the vertical milling cutter that is processed, and the vertical milling cutter for being processed to impeller surface, the cutting edge of vertical milling cutter towards
The finished surface of impeller;During impeller rotation, the cutting edge of vertical milling cutter is contacted with the finished surface of impeller always, vertical milling
Under the movement after the superposition of pedestal linear slide, helicla flute is processed in impeller surface in impeller rotation and impeller for knife.
2. a kind of centrifugal pump impeller cover board machining spiral groove device as described in claim 1, it is characterised in that:The impeller peace
Dress platform be axially divided into from top to bottom along it impeller mounting portion for fixing impeller and for be inserted into workbench through-hole and with circle
The bevel gear engaging section of bevel gear engagement, the impeller mounting portion is cylinder, and the center of the impeller mounting portion is along its axis
To detachable equipped with an installation axle for feeling relieved to impeller, the top of installation axle is equipped with for being caught in impeller center through-hole
Reverse frustoconic voussoir, the top outer diameter of reverse frustoconic voussoir are more than its underpart outer diameter, and the top outer diameter of reverse frustoconic voussoir with
The central through hole of impeller coordinates, and realizes the centering to impeller;The surface of the impeller mounting portion is radially equipped with a plurality of radial direction
One end of thread groove, radial slot extends to impeller mounting portion outer, and the other end passes at installation axle, and every radial slot is provided with
Clamping element, the clamping element include a fastening bolt and an arc grip slide, the fastening bolt and the radial slot
It is spirally connected, the arc grip slide is slidably connected with the radial slot, and leaf to be processed is clipped in by corresponding trip bolt
It takes turns on outer wall, realizes to the circumferentially fixed of impeller.
3. a kind of centrifugal pump impeller cover board machining spiral groove device as claimed in claim 2, it is characterised in that:The impeller peace
The surface in dress portion is radially equipped with 3 radial thread grooves.
4. a kind of centrifugal pump impeller cover board machining spiral groove device as described in claim 1, it is characterised in that:The pedestal packet
Include rectangular base plate, two pieces of rectangular side panels and two end plates, wherein rectangular side panels along rectangular base plate long side direction right angle setting,
Along the short side direction right angle setting of rectangular base plate, the rectangular base plate, two pieces of rectangular side panels and two end plates enclose end plate jointly
At the babinet of the cuboid of a upper end opening.
5. a kind of centrifugal pump impeller cover board machining spiral groove device as claimed in claim 4, it is characterised in that:The top of end plate
The part for being higher by rectangular side panels is equipped with mounting hole for installing lead screw, the lead screw by the bearing of embedded mounting hole with it is described
End plate is rotatablely connected, and realizes that lead screw rotates in a circumferential direction movement around its own axis.
6. a kind of centrifugal pump impeller cover board machining spiral groove device as claimed in claim 5, it is characterised in that:The rectangular side
The upper edge of plate is respectively provided with straight line guide rail along its length, every rectilinear orbit by two parallel arrangements V-block
Composition, and there are the grooves for blocking workbench sliding edge edge between V-block.
7. a kind of centrifugal pump impeller cover board machining spiral groove device as described in claim 4~6 any one, feature exist
In:Bearing is fixedly mounted on one of end plate, and the top of bearing is suspended to workbench direction bending formation above workbench
Cantilever beam.
8. a kind of centrifugal pump impeller cover board machining spiral groove device as claimed in claim 7, it is characterised in that:The workbench
The two parallel sliding edges for inverted U-shaped structure, wherein workbench are caught in corresponding the linear guide groove, realize that the two sliding connects
It connects.
9. a kind of centrifugal pump impeller cover board machining spiral groove device as described in claim 1, it is characterised in that:The worm gear snail
Bar speed reducer includes babinet, cover board, worm screw, worm gear and output shaft, and the babinet is surrounded with the cover board for installing the snail
The reduction box of bar, worm gear, wherein worm screw are by corresponding bearing support in reduction box, and the two rotation connection, worm gear passes through defeated
Shaft is in reduction box;One end of worm screw stretched out out of babinet after by the output end phase of first shaft coupling and driving motor
Even;The external gear of worm screw is engaged with worm gear, and worm gear and the output shaft for being inserted heart hole are keyed;The other end of output shaft is from lid
Plate is inserted into the central hole of impeller erecting bed after stretching out, the two is keyed by connecting key realizes that the circumferential direction of impeller erecting bed is solid
Fixed, the two is locked by the round nut for being set on the output shaft and being spirally connected therewith, and impeller peace is realized with output shaft shaft shoulder collective effect
Fill the axial restraint of platform;The part that the output shaft is located at worm gear both sides is respectively filled there are one deep groove ball bearing, for limiting output
The axial movement of axis.
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CN201721897704.9U CN208051008U (en) | 2017-12-29 | 2017-12-29 | A kind of centrifugal pump impeller cover board machining spiral groove device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108015330A (en) * | 2017-12-29 | 2018-05-11 | 浙江工业大学 | A kind of centrifugal pump impeller cover board machining spiral groove device and its processing method |
CN111318747A (en) * | 2018-12-17 | 2020-06-23 | 沈阳黎明国际动力工业有限公司 | Processing method for milling surface roughness texture approximate to concentric circle |
-
2017
- 2017-12-29 CN CN201721897704.9U patent/CN208051008U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108015330A (en) * | 2017-12-29 | 2018-05-11 | 浙江工业大学 | A kind of centrifugal pump impeller cover board machining spiral groove device and its processing method |
CN111318747A (en) * | 2018-12-17 | 2020-06-23 | 沈阳黎明国际动力工业有限公司 | Processing method for milling surface roughness texture approximate to concentric circle |
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