CN112643477A - Processing equipment for impeller hub tongue-and-groove - Google Patents
Processing equipment for impeller hub tongue-and-groove Download PDFInfo
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- CN112643477A CN112643477A CN202011537035.0A CN202011537035A CN112643477A CN 112643477 A CN112643477 A CN 112643477A CN 202011537035 A CN202011537035 A CN 202011537035A CN 112643477 A CN112643477 A CN 112643477A
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- China
- Prior art keywords
- working
- driver
- impeller
- hub
- mortise
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the field of impeller processing equipment, in particular to processing equipment for a wheel hub tongue-and-groove of an impeller, which comprises: the impeller hub jig is fixedly arranged at the working part of the precise electric turntable, the precise electric turntable is fixedly arranged at the working part of the reciprocating driver, the working shaft of the precise electric turntable is parallel to the working direction of the reciprocating driver, the grinding wheel is fixedly arranged at the working part of the second rotary driver, the second rotary driver is fixedly arranged at the working part of the linear driver, the working shaft of the second rotary driver is parallel to the working direction of the linear driver, the working direction of the reciprocating driver is vertical to the working direction of the linear driver, and the precise electric turntable, the reciprocating driver, the second rotary driver and the linear driver are all electrically connected with the controller; the equipment has simple structure and low cost.
Description
Technical Field
The invention relates to the field of impeller machining equipment, in particular to machining equipment for a mortise of an impeller hub.
Background
The impeller hub mortise is generally processed by forming milling, broaching, forming grinding of the mortise by a small-diameter forming grinding wheel which can be placed in the mortise, and the like, and the impeller hub mortise is processed and manufactured by a forming electrolytic processing method.
Because the size of the impeller hub tongue-and-groove is small, the structure is complex, the structure of the cutter is complex when the forming milling machining is adopted, and the high-precision cutter grinding is very difficult. Meanwhile, the milling cutter has the advantages of large length-diameter ratio, poor rigidity, poor cutting performance of a hub material, serious abrasion during milling of the cutter, short service life, difficulty in guaranteeing of processing precision and consistency and high processing cost; when broaching machining is adopted, the broaching tool is long in development period, difficult to sharpen and high in broaching machine cost, so that the broaching machining process is poor in flexibility in mortise machining, and the development period of a new hub product is long; when the small-diameter forming grinding wheel is used for carrying out mortise forming grinding machining, the diameter of the grinding wheel is small, the length-diameter ratio is large, the linear speed of the grinding wheel is difficult to reach a better range, the rigidity is poor, the grinding wheel is quickly abraded, and the grinding precision is not easy to guarantee. Meanwhile, the manufacturing difficulty of the small-diameter formed grinding wheel is high, and the cost of the grinding wheel is high; the electrochemical machining precision of the wheel hub tongue-and-groove is low, the design of a formed electrode is difficult, the final high-precision requirement of the wheel hub tongue-and-groove cannot be met, the electrolytic equipment is expensive, the pollution is high, the process flexibility is poor, and the rapid development of a new impeller product is not facilitated.
Therefore, an apparatus for machining the impeller by other technical means is required.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the impeller hub mortise machining equipment, and the technical scheme solves the problems of high difficulty and high cost in impeller hub mortise machining in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a processing equipment of impeller wheel hub tongue-and-groove, is applied to processing impeller wheel hub, and impeller wheel hub's outer periphery is provided with a plurality of axial and runs through impeller wheel hub and encircle the tongue-and-groove of impeller wheel hub axis equipartition, and the projection of tongue-and-groove on impeller wheel hub axis direction is trapezoidal shape, and the waist of tongue-and-groove is provided with a plurality of tenon teeth, is provided with the centre bore that runs through impeller wheel hub along impeller wheel hub's axis on impeller wheel hub, including: the impeller hub jig is fixedly arranged at the working part of the precise electric turntable, the precise electric turntable is fixedly arranged at the working part of the reciprocating driver, the working shaft of the precise electric turntable is parallel to the working direction of the reciprocating driver, the grinding wheel is fixedly arranged at the working part of the second rotary driver, the second rotary driver is fixedly arranged at the working part of the linear driver, the working shaft of the second rotary driver is parallel to the working direction of the linear driver, the working direction of the reciprocating driver is vertical to the working direction of the linear driver, and the precise electric turntable, the reciprocating driver, the second rotary driver and the linear driver are all electrically connected with the controller;
the impeller hub jig is provided with a first working end which is abutted against the inner peripheral surface of the central hole at three points and a second working end which is in contact with the waist part of the mortise at two points, the grinding wheel is provided with a working part which can extend into the mortise, and the working part is provided with working teeth which are matched with the tenon teeth.
Preferably, the impeller wheel hub tool is including having hollow three-jaw chuck, and the jack catch is all installed to every work portion of hollow three-jaw chuck, and the one side that hollow three-jaw chuck axis was kept away from to the jack catch is first cambered surface, the diameter of first cambered surface is less than the diameter of centre bore.
Preferably, the impeller wheel hub tool is including the stand, the one end of stand and the non-working portion fixed connection of hollow three-jaw chuck, and the stand is coaxial with hollow three-jaw chuck, and the transfer line is installed to the stand one end of keeping away from hollow three-jaw chuck, and the transfer line is including perpendicular setting each other and fixed connection's first pole, second pole, and first pole and stand detachable are connected, and the both sides of second pole are provided with the second cambered surface with two point contact in tongue-and-groove root.
Preferably, the one end that hollow three-jaw chuck was kept away from to the stand is provided with two round bars that the axial extends outwards, and the one end that the stand was kept away from to the round bar is provided with the threaded rod that the axial extends outwards, and the diameter of round bar is greater than the diameter of threaded rod, is provided with the waist type hole with every round bar one-to-one on the first pole, waist type hole along the length direction equipartition of first pole, the outer peripheral face transition fit of the inner wall in waist type hole and round bar installs the nut that supports at first pole surface on the threaded rod.
Preferably, accurate electronic revolving stage is including first rotary actuator, the non-working portion fixed mounting of first rotary actuator has the sensor support, the sensor support is the annular shape, the coaxial cover of sensor support is established in the working shaft outside of first rotary actuator, fixed mounting has a plurality of sensors on the sensor support, the axis equipartition of sensor support is encircleed to the sensor, the quantity of sensor is the same with the quantity of tongue-and-groove, first reflection end is installed towards the one side of sensor support to the second pole, the second reflection end, first reflection end, the second reflection end is equal with the shortest distance of sensor support axis, first reflection end, interval between the second reflection end working end equals the working stroke of working tooth.
Preferably, the grinding wheel is a bowl-shaped grinding wheel which is arranged in a reversed manner towards the direction of the mortise, the working part is positioned at the position of the bowl opening, and the working teeth are positioned on the peripheral surface of the working part.
Preferably, the second rotary driver comprises a fixing plate, a servo motor, a transmission shaft, a bearing seat and a flange plate, the servo motor, the bearing seat and the fixing plate are fixedly connected, the transmission shaft is fixedly installed at the working part of the bearing seat, one end of the transmission shaft is in transmission connection with an output shaft of the servo motor, the flange plate is fixedly installed at the other end of the transmission shaft, and the grinding wheel is fixedly connected with the flange plate.
Compared with the prior art, the invention has the beneficial effects that:
the reciprocating driver is a sliding table provided with a linear reciprocating power source, the linear driver is a workbench with a lifting function, an impeller hub jig fixes the axis of an impeller hub through a first working end, the impeller hub jig transmits torque to the impeller hub through a second working end, the second rotary driver is used for driving a grinding wheel to rotate at high speed, the linear driver drives the grinding wheel to move linearly so that a working part extends into the mortise, the impeller hub jig is used for fixing the impeller hub, the precise electric turntable is used for driving the impeller hub jig to rotate so as to drive the impeller hub to rotate, the waist part of the mortise of a tenon tooth to be processed is close to the working part by the rotation of the impeller hub, meanwhile, the reciprocating driver drives the precise electric turntable to move linearly and reciprocally, so that the impeller hub moves linearly along the axis of the impeller hub, and the mortise moves linearly and reciprocally while being ground by, and the mortise is gradually close to the working part, so that the waist part of the mortise is gradually ground into a groove, and finally the tenon tooth matched with the working tooth is formed.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a perspective view of a grinding wheel, second rotary drive of the present invention;
FIG. 6 is a front view of an impeller hub and an impeller hub fixture of the present invention;
FIG. 7 is a partial enlarged view of FIG. 6 at B;
FIG. 8 is a sectional view taken along line A-A of FIG. 6;
FIG. 9 is an enlarged view of a portion of FIG. 8 at C;
FIG. 10 is a perspective view of an impeller hub, an impeller hub fixture, a precision electric turntable, and a reciprocating linear actuator of the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at D;
FIG. 12 is an axial view of the impeller hub;
the reference numbers in the figures are:
1-impeller hub; 1 a-tongue and groove; 1a 1-tenon tooth; 1 b-a central hole;
2-impeller hub jig; 2 a-a hollow three-jaw chuck; 2 b-a jaw; 2b1 — first arc; 2 c-upright post; 2c 1-round bar; 2c 2-threaded rod; 2c 3-nut; 2 d-a first rod; 2d 1-kidney shaped hole; 2 e-a second rod; 2e1 — second arc; 2e2 — first reflective end; 2e3 — second reflective end;
3-a precision electric turntable; 3 a-a first rotary drive; 3 b-a sensor holder; 3 c-a sensor;
4-a reciprocating drive;
5-grinding wheel; 5 a-a working part; 5a 1-working teeth;
6-a second rotary drive; 6 a-a fixed plate; 6 b-a servo motor; 6 c-a drive shaft; 6 d-bearing seat; 6 e-a flange;
7-linear drive.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model provides a processing equipment of impeller wheel hub tongue-and-groove, be applied to processing impeller wheel hub 1, as shown in fig. 12, impeller wheel hub 1's outer periphery is provided with a plurality of axial run-through impeller wheel hub 1 and encircle the tongue-and-groove 1a of 1 axis equipartitions of impeller wheel hub, the projection of tongue-and-groove 1a on impeller wheel hub 1 axis direction is trapezoidal shape, the waist of tongue-and-groove 1a is provided with a plurality of tenon teeth 1a1, be provided with on impeller wheel hub 1 and run-through impeller wheel hub 1's centre bore 1b along impeller wheel hub 1's axis, as shown in fig. 1 to 4:
an impeller hub jig 2, a precise electric turntable 3, a reciprocating driver 4, a grinding wheel 5 and a second rotary driver 6, the impeller hub jig 2 is fixedly arranged at the working part of the precise electric rotary table 3, the precise electric rotary table 3 is fixedly arranged at the working part of the reciprocating driver 4, the working shaft of the precise electric rotary table 3 is parallel to the working direction of the reciprocating driver 4, the grinding wheel 5 is fixedly arranged at the working part of the second rotary driver 6, the second rotary driver 6 is fixedly arranged at the working part of the linear driver 7, the working shaft of the second rotary driver 6 is parallel to the working direction of the linear driver 7, the working direction of the reciprocating driver 4 is vertical to the working direction of the linear driver 7, and the precise electric rotary table 3, the reciprocating driver 4, the second rotary driver 6 and the linear driver 7 are all electrically connected with the controller;
the impeller hub jig 2 is provided with a first working end which abuts against the inner peripheral surface of the central hole 1b at three points and a second working end which contacts with the waist part of the mortise 1a at two points, the grinding wheel 5 is provided with a working part 5a which can extend into the mortise 1a, and the working part 5a is provided with working teeth 5a1 matched with the tenon teeth 1a 1.
The reciprocating driver 4 is a sliding table provided with a linear reciprocating power source, the linear driver 7 is a workbench with a lifting function, the impeller hub jig 2 fixes the axis of the impeller hub 1 through a first working end, the impeller hub jig 2 transmits torque to the impeller hub 1 through a second working end, the second rotary driver 6 is used for driving the grinding wheel 5 to rotate at high speed, the linear driver 7 drives the grinding wheel 5 to move linearly so that the working part 5a extends into the mortise 1a, the impeller hub jig 2 is used for fixing the impeller hub 1, the precision electric turntable 3 is used for driving the impeller hub jig 2 to rotate so as to drive the impeller hub 1 to rotate, the impeller hub 1 rotates so that the waist part of the mortise 1a of the tenon tooth 1a1 to be processed approaches towards the working part 5a, meanwhile, the reciprocating driver 4 drives the precision electric turntable 3 to move linearly and reciprocate so that the impeller hub 1 moves linearly along the axis of the reciprocating driver, the mortise 1a is linearly reciprocated while being ground by the working teeth 5a1, and the mortise 1a is gradually approached toward the working part 5a so that the waist of the mortise 1a is gradually ground with a groove, finally forming the mortise 1a1 fitted with the working teeth 5a 1.
As shown in fig. 6 and 7, the impeller hub jig 2 comprises a hollow three-jaw chuck 2a, each working part of the hollow three-jaw chuck 2a is provided with a claw 2b, one surface of each claw 2b, which is far away from the axis of the hollow three-jaw chuck 2a, is a first cambered surface 2b1, and the diameter of the first cambered surface 2b1 is smaller than that of the central hole 1 b.
The hollow three-jaw chuck 2a is a three-jaw chuck, so the number of the jaws 2b is three in total, the first cambered surfaces 2b1 of the three jaws 2b are uniformly distributed around the axis of the hollow three-jaw chuck 2a, the three jaws 2b have three first cambered surfaces 2b1, and since the diameter of the first cambered surface 2b1 is smaller than that of the central hole 1b, the three first cambered surfaces 2b1 are in three-point contact with the inner peripheral wall of the central hole 1b, so that the axis of the central hole 1b coincides with the axis of the hollow three-jaw chuck 2a, and three contact points of the three first cambered surfaces 2b1 and the inner peripheral wall of the central hole 1b are first working ends.
As shown in fig. 6 and 7, the impeller hub jig 2 includes an upright post 2c, one end of the upright post 2c is fixedly connected to the non-working portion of the hollow three-jaw chuck 2a, the upright post 2c is coaxial with the hollow three-jaw chuck 2a, a transmission rod is mounted at one end of the upright post 2c away from the hollow three-jaw chuck 2a, the transmission rod includes a first rod 2d and a second rod 2e which are vertically arranged and fixedly connected to each other, the first rod 2d is detachably connected to the upright post 2c, and second arc surfaces 2e1 which are in two-point contact with the root of the mortise 1a are disposed on two sides of the second rod 2 e.
The second cambered surface 2e1 contacts with two points on the waist of the root of the mortise 1a, other parts of the second rod 2e do not contact with the mortise 1a, two points of the second cambered surface 2e1 contacting with the mortise 1a are second working ends, the second working ends enable the second rod 2e to be tightly clamped with the mortise 1a, when the precise electric turntable 3 drives the impeller hub jig 2 to rotate, the impeller hub jig 2 transmits torque to one mortise 1a in the impeller hub 1 through a transmission mechanism formed by combining the upright post 2c, the first rod 2d and the second rod 2e, the impeller hub 1 rotates precisely, and the clamping claw 2b and the center hole 1b cannot slip.
As shown in fig. 6, 8 and 9, two circular rods 2c1 extending axially outward are arranged at one end of the upright post 2c away from the hollow three-jaw chuck 2a, a threaded rod 2c2 extending axially outward is arranged at one end of the circular rod 2c1 away from the upright post 2c, the diameter of the circular rod 2c1 is larger than that of the threaded rod 2c2, kidney-shaped holes 2d1 corresponding to each circular rod 2c1 are arranged on the first rod 2d one by one, the kidney-shaped holes 2d1 are uniformly distributed along the length direction of the first rod 2d, the inner wall of each kidney-shaped hole 2d1 is in transition fit with the outer peripheral surface of the circular rod 2c1, and a nut 2c3 abutting against the surface of the first rod 2d is arranged on the threaded rod 2c 2.
The kidney-shaped hole 2d1 can slide relative to the round rod 2c1, so that a worker can move the first rod 2d along the direction perpendicular to the axis of the upright post 2c, and further the worker can clamp the second rod 2e with the mortise 1a, the second rod 2e is in two-point contact with the mortise 1a only through the second cambered surface 2e1, the nut 2c3 is used for fastening the first rod 2d to be fixedly connected with the upright post 2c, the upright post 2c can completely transmit torque to the first rod 2d through transition fit of the two round rods 2c1 and the kidney-shaped hole 2d1, meanwhile, the transmission rod can move, and the requirement on the machining precision of the mortise 1a or the second rod 2e is lowered.
The precise electric turntable 3 comprises a first rotary driver 3a, a sensor support 3b is fixedly installed on a non-working part of the first rotary driver 3a, the sensor support 3b is in a circular ring shape, the sensor support 3b is coaxially sleeved on the outer side of a working shaft of the first rotary driver 3a, a plurality of sensors 3c are fixedly installed on the sensor support 3b, the sensors 3c are uniformly distributed around the axis of the sensor support 3b, the number of the sensors 3c is equal to that of the mortises 1a, a first reflection end 2e2 and a second reflection end 2e3 are installed on one surface, facing the sensor support 3b, of a second rod 2e, the shortest distances between the first reflection end 2e2 and the second reflection end 2e3 and the axis of the sensor support 3b are equal, and the distance between the working ends of the first reflection end 2e2 and the second reflection end 2e3 is equal to the working stroke of the working teeth 5a 1.
The sensor 3c is a reflective photoelectric switch, the sensor 3c sends a signal to the controller when facing the first reflection end 2e2 and the second reflection end 2e3, the first rotary driver 3a drives the impeller hub jig 2 to drive the impeller hub 1 to rotate, when the controller receives two short signals sent by the sensor 3c, the sensor 3c is represented to pass through the first reflection end 2e2 and be opposite to the second reflection end 2e3, the mortise 1a to be machined is located under the grinding wheel 5, the controller sends a working signal to the second rotary driver 6 and the linear driver 7, the linear driver 7 drives the grinding wheel 5 to extend into the mortise 1a to be machined, the second rotary driver 6 drives the grinding wheel 5 to rotate at a high speed, then the controller sends a working signal to the precision electric turntable 3 and the reciprocating driver 4, the precision electric turntable 3 drives the impeller hub jig 2 to rotate reversely, the impeller hub jig 2 drives the impeller hub 1 to enable the surface to be machined of the mortise 1a to approach towards the working teeth 5a1, meanwhile, the reciprocating driver 4 drives the precise electric rotary table 3 to linearly reciprocate, when the working teeth 5a1 machine the tenon teeth 1a1, the sensor 3c is just opposite to the first reflection end 2e2, the controller receives a signal sent by the sensor 3c and immediately sends a signal for stopping machining, the reciprocating driver 4 and the second rotation driver 6 stop working, the precise electric rotary table 3 drives the impeller hub jig 2 to rotate in the forward direction to enable the sensor 3c to be just opposite to the first reflection end 2e2, so that the process that the working teeth 5a1 withdraw from the tenon teeth 1a1 is completed, and then the precise electric rotary table 3 continues to drive the impeller hub jig 2 to rotate in the forward direction to enable the second reflection end 2e3 to be aligned with the next sensor 3 c.
As shown in fig. 5, the grindstone 5 is a bowl-shaped grindstone that is turned upside down in the direction of the mortise 1a, the working portion 5a is located at the position of the bowl opening, and the working teeth 5a1 are located on the outer peripheral surface of the working portion 5 a.
Compared with a cylindrical grinding wheel, the bowl-shaped grinding wheel has a larger diameter, a thinner working part and a working surface with higher angular velocity.
As shown in fig. 4 and 5, the second rotary driver 6 includes a fixing plate 6a, a servo motor 6b, a transmission shaft 6c, a bearing seat 6d, and a flange 6e, the servo motor 6b and the bearing seat 6d are fixedly connected to the fixing plate 6a, the transmission shaft 6c is fixedly mounted on the working portion of the bearing seat 6d, one end of the transmission shaft 6c is in transmission connection with the output shaft of the servo motor 6b, the flange 6e is fixedly mounted on the other end of the transmission shaft 6c, and the grinding wheel 5 is fixedly connected to the flange 6 e.
The grinding wheel 5 is provided with through holes corresponding to the mounting holes of the flange plates 6e one by one, the flange plates 6e are fixedly connected with the grinding wheel 5 through bolts, so that the grinding wheel 5 can be suspended beside the impeller hub 1, and the servo motor 6b transmits torque to the grinding wheel 5 through the transmission shaft 6c and the flange plates 6e in sequence, so that the grinding wheel 5 rotates at a high speed.
The working principle of the invention is as follows:
the reciprocating driver 4 is a sliding table provided with a linear reciprocating power source, the linear driver 7 is a workbench with a lifting function, the impeller hub jig 2 fixes the axis of the impeller hub 1 through a first working end, the impeller hub jig 2 transmits torque to the impeller hub 1 through a second working end, the second rotary driver 6 is used for driving the grinding wheel 5 to rotate at high speed, the linear driver 7 drives the grinding wheel 5 to move linearly so that the working part 5a extends into the mortise 1a, the impeller hub jig 2 is used for fixing the impeller hub 1, the precision electric turntable 3 is used for driving the impeller hub jig 2 to rotate so as to drive the impeller hub 1 to rotate, the impeller hub 1 rotates so that the waist part of the mortise 1a of the tenon tooth 1a1 to be processed approaches towards the working part 5a, meanwhile, the reciprocating driver 4 drives the precision electric turntable 3 to move linearly and reciprocate so that the impeller hub 1 moves linearly along the axis of the reciprocating driver, the mortise 1a is linearly reciprocated while being ground by the working teeth 5a1, and the mortise 1a is gradually approached toward the working part 5a so that the waist of the mortise 1a is gradually ground with a groove, finally forming the mortise 1a1 fitted with the working teeth 5a 1.
Specifically, the mode of impeller hub 1 is fixed to impeller hub tool 2 is: the impeller hub jig 2 comprises a hollow three-jaw chuck 2a, each working part of the hollow three-jaw chuck 2a is provided with a clamping jaw 2b, one surface, away from the axis of the hollow three-jaw chuck 2a, of each clamping jaw 2b is a first cambered surface 2b1, and the three first cambered surfaces 2b1 are in three-point contact with the inner peripheral wall of the central hole 1b, so that the axis of the central hole 1b is coincident with the axis of the hollow three-jaw chuck 2 a.
Specifically, the mode that impeller wheel hub tool 2 transmits torque to impeller wheel hub 1 is: the impeller hub jig 2 comprises an upright post 2c, the upright post 2c is coaxial with the hollow three-jaw chuck 2a, one end of the upright post 2c, which is far away from the hollow three-jaw chuck 2a, is provided with a transmission rod, the transmission rod comprises a first rod 2d and a second rod 2e which are vertically arranged and fixedly connected with each other, two sides of the second rod 2e are provided with a second cambered surface 2e1 which is in two-point contact with the root of the mortise 1a, the second cambered surface 2e1 is in two-point contact with the waist of the root of the mortise 1a, other parts of the second rod 2e are not in contact with the mortise 1a, when the precise electric rotary table 3 drives the impeller hub jig 2 to rotate, the impeller hub jig 2 transmits torque to a mortise 1a in the impeller hub 1 through a transmission mechanism formed by combining the upright post 2c, the first rod 2d and the second rod 2e, so that the impeller hub 1 rotates accurately, and the situation that the claw 2b and the center hole 1b slip does not occur.
Specifically, the process of grinding the tenon tooth 1a1 includes: when the sensor 3c is just opposite to the first reflection end 2e2 and the second reflection end 2e3, a signal is sent to the controller, the first rotary driver 3a drives the impeller hub jig 2 to drive the impeller hub 1 to rotate, when the controller receives two short signals sent by the sensor 3c, the signal represents that the sensor 3c passes through the first reflection end 2e2 and is just opposite to the second reflection end 2e3, at the moment, the mortise 1a to be machined is positioned under the grinding wheel 5, the controller sends working signals to the second rotary driver 6 and the linear driver 7, the linear driver 7 drives the grinding wheel 5 to extend into the mortise 1a to be machined, the second rotary driver 6 drives the grinding wheel 5 to rotate at high speed, then the controller sends working signals to the precision electric turntable 3 and the reciprocating driver 4, the precision electric turntable 3 drives the impeller hub jig 2 to rotate in the reverse direction, the impeller hub jig 2 drives the impeller hub 1 to enable the surface to be machined of the mortise 1a to approach to the working tooth 5a1, meanwhile, the reciprocating driver 4 drives the precision electric turntable 3 to linearly reciprocate, when the working tooth 5a1 machines the tenon tooth 1a1, the sensor 3c is just opposite to the first reflection end 2e2, the controller receives a signal sent by the sensor 3c and immediately sends a signal for stopping machining, the reciprocating driver 4 and the second rotation driver 6 stop working, the precision electric turntable 3 drives the impeller hub jig 2 to rotate forward to enable the sensor 3c to be just opposite to the first reflection end 2e2, so that the process that the working tooth 5a1 exits from the tenon tooth 1a1 is completed, and then the precision electric turntable 3 continuously drives the impeller hub jig 2 to rotate forward to enable the second reflection end 2e3 to be aligned with the next sensor 3 c.
Claims (5)
1. The utility model provides a processing equipment of impeller wheel hub tongue-and-groove, be applied to processing impeller wheel hub (1), the outer periphery of impeller wheel hub (1) is provided with a plurality of axial and runs through impeller wheel hub (1) and encircle tongue-and-groove (1 a) of impeller wheel hub (1) axis equipartition, tongue-and-groove (1 a) is trapezoidal shape at the ascending projection of impeller wheel hub (1) axis, the waist of tongue-and-groove (1 a) is provided with a plurality of tenon teeth (1 a 1), be provided with on impeller wheel hub (1) and run through centre bore (1 b) of impeller wheel hub (1) along the axis of impeller wheel hub (1), a serial communication port, including:
the impeller hub jig (2), the precise electric rotary table (3), the reciprocating driver (4), the grinding wheel (5), the second rotary driver (6), the linear driver (7) and the controller, wherein the impeller hub jig (2) is fixedly arranged at the working part of the precise electric rotary table (3), the precise electric rotary table (3) is fixedly arranged at the working part of the reciprocating driver (4), the working shaft of the precise electric rotary table (3) is parallel to the working direction of the reciprocating driver (4), the grinding wheel (5) is fixedly arranged at the working part of the second rotary driver (6), the second rotary driver (6) is fixedly arranged at the working part of the linear driver (7), the working shaft of the second rotary driver (6) is parallel to the working direction of the linear driver (7), and the working direction of the reciprocating driver (4) is vertical to the working direction of the linear driver (7), the precise electric turntable (3), the reciprocating driver (4), the second rotary driver (6) and the linear driver (7) are electrically connected with the controller;
the impeller hub jig (2) is provided with a first working end which abuts against the inner peripheral surface of the central hole (1 b) at three points and a second working end which contacts with the waist of the mortise (1 a) at two points, the grinding wheel (5) is provided with a working part (5 a) which can extend into the mortise (1 a), and the working part (5 a) is provided with working teeth (5 a 1) matched with the tenon teeth (1 a 1);
the impeller hub jig (2) comprises a hollow three-jaw chuck (2 a), each working part of the hollow three-jaw chuck (2 a) is provided with a clamping jaw (2 b), one surface, far away from the axis of the hollow three-jaw chuck (2 a), of each clamping jaw (2 b) is a first cambered surface (2 b 1), and the diameter of each first cambered surface (2 b 1) is smaller than that of each central hole (1 b);
impeller wheel hub tool (2) is including stand (2 c), the one end of stand (2 c) and the non-working portion fixed connection of hollow three-jaw chuck (2 a), stand (2 c) are coaxial with hollow three-jaw chuck (2 a), the transfer line is installed to the one end that hollow three-jaw chuck (2 a) were kept away from in stand (2 c), the transfer line is including perpendicular setting and fixed connection's first pole (2 d) each other, second pole (2 e), first pole (2 d) are connected with stand (2 c) detachable, the both sides of second pole (2 e) are provided with second cambered surface (2 e 1) with tongue-and-groove (1 a) root two point contact.
2. The processing equipment for the impeller hub tongue-and-groove as claimed in claim 1, wherein one end of the upright post (2 c) far away from the hollow three-jaw chuck (2 a) is provided with two round rods (2 c 1) extending axially outwards, one end of each round rod (2 c 1) far away from the upright post (2 c) is provided with a threaded rod (2 c 2) extending axially outwards, the diameter of each round rod (2 c 1) is larger than that of each threaded rod (2 c 2), the first rod (2 d) is provided with kidney-shaped holes (2 d 1) corresponding to each round rod (2 c 1) one by one, the kidney-shaped holes (2 d 1) are uniformly distributed along the length direction of the first rod (2 d), the inner walls of the kidney-shaped holes (2 d 1) are in transition fit with the outer peripheral surfaces of the round rods (2 c 1), and the threaded rod (2 c 2) is provided with a nut (2 c 3) abutting against the surface of the first rod (2 d).
3. The impeller hub mortise machining equipment according to claim 1, wherein the precise electric rotary table (3) comprises a first rotary driver (3 a), a sensor support (3 b) is fixedly installed on a non-working part of the first rotary driver (3 a), the sensor support (3 b) is in a circular ring shape, the sensor support (3 b) is coaxially sleeved outside a working shaft of the first rotary driver (3 a), a plurality of sensors (3 c) are fixedly installed on the sensor support (3 b), the sensors (3 c) are uniformly distributed around the axis of the sensor support (3 b), the number of the sensors (3 c) is the same as that of the mortises (1 a), and a first reflection end (2 e 2) and a second reflection end (2 e 3) are installed on one surface, facing the sensor support (3 b), of the second rod (2 e), of the first reflection end (2 e 2), The shortest distance between the second reflection end (2 e 3) and the axis of the sensor bracket (3 b) is equal, and the distance between the working ends of the first reflection end (2 e 2) and the second reflection end (2 e 3) is equal to the working stroke of the working teeth (5 a 1).
4. The impeller hub mortise machining equipment according to claim 1, wherein the grinding wheel (5) is a bowl-shaped grinding wheel reversely arranged towards the mortise (1 a), the working portion (5 a) is a portion where the grinding wheel (5) is located at a bowl opening, and the working teeth (5 a 1) are located on the outer peripheral surface of the working portion (5 a).
5. The impeller hub tongue-and-groove machining equipment according to claim 1 is characterized in that the second rotary driver (6) comprises a fixing plate (6 a), a servo motor (6 b), a transmission shaft (6 c), a bearing seat (6 d) and a flange plate (6 e), the servo motor (6 b), the bearing seat (6 d) and the fixing plate (6 a) are fixedly connected, the transmission shaft (6 c) is fixedly installed on a working portion of the bearing seat (6 d), one end of the transmission shaft (6 c) is in transmission connection with an output shaft of the servo motor (6 b), the flange plate (6 e) is fixedly installed at the other end of the transmission shaft (6 c), and the grinding wheel (5) is fixedly connected with the flange plate (6 e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011537035.0A CN112643477A (en) | 2020-01-16 | 2020-01-16 | Processing equipment for impeller hub tongue-and-groove |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011537035.0A CN112643477A (en) | 2020-01-16 | 2020-01-16 | Processing equipment for impeller hub tongue-and-groove |
| CN202010056765.2A CN111203782B (en) | 2020-01-16 | 2020-01-16 | Processing equipment for impeller hub tongue-and-groove |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010056765.2A Division CN111203782B (en) | 2020-01-16 | 2020-01-16 | Processing equipment for impeller hub tongue-and-groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112643477A true CN112643477A (en) | 2021-04-13 |
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ID=70780938
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011537035.0A Withdrawn CN112643477A (en) | 2020-01-16 | 2020-01-16 | Processing equipment for impeller hub tongue-and-groove |
| CN202010056765.2A Active CN111203782B (en) | 2020-01-16 | 2020-01-16 | Processing equipment for impeller hub tongue-and-groove |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010056765.2A Active CN111203782B (en) | 2020-01-16 | 2020-01-16 | Processing equipment for impeller hub tongue-and-groove |
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| Country | Link |
|---|---|
| CN (2) | CN112643477A (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3030704C2 (en) * | 1980-08-14 | 1984-01-12 | Maschinenfabrik Heid AG, 1015 Wien | Clamping and dividing device for grinding ring grooves in ball hubs |
| DE9321251U1 (en) * | 1993-05-19 | 1996-11-14 | August Heinr. Schmidt GmbH & Co. KG Maschinenfabrik, 70469 Stuttgart | Device for sharpening a circular saw blade |
| CN203541757U (en) * | 2013-10-12 | 2014-04-16 | 江苏睿思特传动机械有限公司 | Gear chamfering positioning fixture |
| CN104148992B (en) * | 2014-07-16 | 2016-08-24 | 北京航空航天大学 | A kind of grinding processing method for the processing of impeller hub tongue-and-groove |
| CN106041534A (en) * | 2016-08-01 | 2016-10-26 | 芜湖聚达汽车零部件有限公司 | Multi-station rotating disc type drilling and tapping machine |
| CN206123351U (en) * | 2016-11-07 | 2017-04-26 | 珠海保税区额部汽配制造有限公司 | Eccentric shaft grinding machanism stroke adjusting device |
| CN109926894B (en) * | 2019-04-15 | 2020-11-06 | 南京航空航天大学 | Turbine disc mortise forming and grinding processing equipment and using method thereof |
-
2020
- 2020-01-16 CN CN202011537035.0A patent/CN112643477A/en not_active Withdrawn
- 2020-01-16 CN CN202010056765.2A patent/CN111203782B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111203782B (en) | 2021-05-04 |
| CN111203782A (en) | 2020-05-29 |
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Application publication date: 20210413 |
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