CN101579812A - Method and processing center for external thread rotary milling and grinding - Google Patents

Method and processing center for external thread rotary milling and grinding Download PDF

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Publication number
CN101579812A
CN101579812A CNA2009100400198A CN200910040019A CN101579812A CN 101579812 A CN101579812 A CN 101579812A CN A2009100400198 A CNA2009100400198 A CN A2009100400198A CN 200910040019 A CN200910040019 A CN 200910040019A CN 101579812 A CN101579812 A CN 101579812A
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China
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slide plate
grinding
guide rail
workpiece
main shaft
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CNA2009100400198A
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CN101579812B (en
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赵虎
谢政平
李媛媛
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GUANGZHOU AGILE MANUFACTURING Co Ltd
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GUANGZHOU AGILE MANUFACTURING Co Ltd
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Abstract

The invention relates to a method and a processing center for external thread rotary milling and grinding, which belong to the field of numerical control machines. The processing center consists of a lathe bed, a grinding processing unit and a rotary milling processing unit, wherein the front end of the lathe bed is provided with a tailstock and a workpiece main shaft, and the rear end of the lathe bed is provided with a Z-direction guide rail which is provided with the grinding processing unit and the rotary milling processing unit. The grinding processing unit consists of a sliding plate Z1, a sliding plate X1, a sliding plate A1and a grinding main shaft, and the rotary milling processing unit consists of a sliding plate Z2, a sliding plate X2, a sliding plate A2 and a rotary milling main shaft. The processing center for the external thread grinding and rotary milling adopts a proposal that the functions of outer circle grinding, rotary milling, external thread grinding and the like are integrated; and the processing center is provided with two processing units which can be programmed independently for operation, and is a combination of a cyclone milling machine and an external thread grinder. The processing center adopts a modularization design, can be assembled randomly and has very high flexibility.

Description

External thread rotary milling method for grinding and machining center
Technical field:
External thread rotary milling method for grinding of the present invention and machining center belong to the Digit Control Machine Tool field, particularly relate to a kind of externally threaded machining tool, have cylindrical grinding, the composite processing machine tool of multiple functions such as external screw thread is milled, grinds in outward turning.
Background technology:
External screw thread processing, basically be to adopt external thread grinder to come cylindrical grinding, peripheral milling is good, adopt again and revolve milling machine external screw thread is opened slightly, be installed at last and carry out accurate grinding on the accurate external thread grinder, processing an external screw thread screw mandrel needs three lathes, and an external thread grinder comes cylindrical grinding, a milling machine is opened slightly external screw thread, an accurate external thread grinder carries out accurate grinding, and workpiece need be moved between three lathes, is installed, three lathes of such arts demand, and workpiece will be shifted from one place to another, and effort is taken up an area of, and operator's quantity also can increase, efficient and economic benefit are all very low, and machining accuracy also is very restricted.The processing of external screw thread screw mandrel also has directly to be used emery wheel that external screw thread is opened slightly on precision grinder earlier to finish grind then, but the working (machining) efficiency of this mode is relatively very low, external thread grinder has only the externally threaded simple function of mill, external thread grinder grinds the function of external screw thread processing excircles by the mode of emery wheel, waste time and energy, this single function can't be applied in the production in enormous quantities at all and go, because the restriction of grinding machine function, working (machining) efficiency is low.
Summary of the invention:
The objective of the invention is to for avoiding the deficiencies in the prior art part, provide a kind of once being installed to finish the external screw thread cylindrical grinding, revolve and mill, grind the processing of externally threaded external screw thread, with cylindrical grinding, revolve functions such as milling, grind external screw thread and be compound in one, the precision height of processing work, the external thread rotary milling method for grinding that working (machining) efficiency is high.
The object of the present invention is to provide a kind of once being installed to finish cylindrical grinding, revolve and mill, grind the external screw thread function and be compound in one the precision height of processing work, the external thread rotary milling grinding center that working (machining) efficiency is high.
The objective of the invention is to reach by following measure,
External thread rotary milling method for grinding of the present invention is that the workpiece that external screw thread is processed is installed between the work spindle and tailstock of lathe bed, lathe bed is provided with a grinding unit, lathe bed is provided with one and revolves and mill machining cell, the grinding unit adopts linear electric motors to drive, move along the direction parallel with workpiece, workpiece is carried out cylindricalo grinding, raceway grinding, revolve and mill the driving of machining cell employing linear electric motors, move along the direction parallel with workpiece, workpiece is carried out revolving of external screw thread raceway to be milled, a clamping is finished the processing of whole operations.
Work spindle drives the workpiece rotation, the grinding wheel spindle of grinding unit carries out Cylindrical Grinding Processes to workpiece, after cylindricalo grinding is finished, readjust centre frame, revolve and mill revolving of machining cell and mill main shaft and start, workpiece is carried out external thread rotary milling open slightly, mill good external screw thread groove and carry out the roughing grinding revolving in thick revolving to mill out, grinding wheel spindle and revolve and mill main shaft and work simultaneously, finish revolve mill and roughly grind after, revise emery wheel again workpiece carried out accurate grinding.
Grinding is finished, start the screw thread dynamic measuring instrument workpiece is carried out online detection of dynamic, after part processing is qualified, completion of processing, each returns to dead-center position, and work spindle and milling electricity main shaft stop operating, wait for the processing of next workpiece, if part processing is defective, then, workpiece is carried out precision grinding correction once more by revising emery wheel.
The present invention takes cylindrical grinding, revolve the scheme that functions such as milling, grind external screw thread is compound in one; The employing grinding carriage moves, the structure that workpiece does not move, lathe bed is provided with two machining cells, on the machining cell grinding spindle is installed, workpiece is carried out cylindricalo grinding, raceway grinding, the another one machining cell is equipped with to revolve and mills main shaft, workpiece is carried out revolving of external screw thread raceway to be milled, lathe has and revolves the dual-use function that mills with grinding, a clamping is finished the processing of whole operations, and two machining cells can independently be programmed, revolve simultaneously and mill and grinding, can effectively improve the precision and the efficient of grinding.
External thread rotary milling grinding center is by lathe bed, and grinding unit and revolving mills machining cell and constitutes, and lathe bed is provided with a grinding unit, and lathe bed is provided with one and revolves and mill machining cell,
On the lathe bed front end centre frame is installed, on the lathe bed front end tailstock is installed, on the lathe bed front end work spindle is installed, Z is set to guide rail, the grinding unit is set on guide rail, on guide rail, be provided with to revolve at Z and mill machining cell at Z in the rear end of lathe bed.
The grinding unit is by the Z1 slide plate, the X1 slide plate, the A1 slide plate, grinding spindle constitutes, Z is provided with the Z1 slide plate to guide rail, the Z1 slide plate is arranged on Z on guide rail by the slide block connection, linear electric motors by linear electric motors secondary at Z to driving the Z1 slide plate on the guide rail in Z move left and right on guide rail, the X1 slide plate is arranged on the Z1 slide plate by guide rail and the connection of guide rail slide block, X1 axle servo drive motor is connected on the screw mandrel, and screw mandrel is arranged on the guide rail, and the guide rail slide block is installed on the screw mandrel, the X1 slide plate is installed on the guide rail slide block, X1 axle servo drive motor drives the X1 slide plate by screw mandrel, and the A1 slide plate is arranged on the X1 slide plate, and the A1 slide plate connects turbine and worm, servomotor connects turbine and worm, on the A1 slide plate grinding spindle is set.
On the A1 slide plate, wheel truing device is set, the crushing main shaft adopts electric main shaft, and wheel dresser is provided with the U linear axis, and U axle servo drive unit drives the U linear axis, wheel dresser is provided with the W linear axis, and W axle servo drive unit drives the W linear axis.
Revolving and milling machining cell is by the Z2 slide plate, the X2 slide plate, the A2 slide plate, revolve and mill the main shaft formation, Z is provided with the Z2 slide plate to guide rail, the Z2 slide plate is arranged on Z on guide rail by the slide block connection, linear electric motors by linear electric motors secondary at Z to driving the Z2 slide plate on the guide rail in Z move left and right on guide rail, the X2 slide plate is arranged on the Z2 slide plate by guide rail and the connection of guide rail slide block, X2 axle servo drive motor is connected on the screw mandrel, and screw mandrel is arranged on the guide rail, and the guide rail slide block is installed on the screw mandrel, the X2 slide plate is installed on the guide rail slide block, X2 axle servo drive motor drives the X2 slide plate by screw mandrel, and the A2 slide plate is arranged on the X2 slide plate, and the A2 slide plate connects turbine and worm, servomotor connects turbine and worm, is provided with to revolve on the A2 slide plate and mills main shaft.
Z1 slide plate and the shared Z of Z2 slide plate can do move left and right along the direction parallel with the work spindle axis and form Z1, Z2 axle to guide rail under the driving of Z1 linear electric motors and Z2 linear electric motors; The shared straight line motor of Z1 linear electric motors and Z2 linear electric motors secondary
Z is arranged on the rear end of lathe bed to guide rail, and Z is parallel with the work spindle axis to guide rail;
The axis normal of X1 axle and Z1 axle, the X1 slide plate is arranged on the Z1 slide plate by the X1 guide rail, forms the X1 axle by X1 axle servo drive unit along doing to move forward and backward with the direction of work spindle axis normal.
The axis normal of X2 axle and Z2 axle, the X2 slide plate is arranged on the Z2 slide plate by the X2 guide rail, forms the X2 axle by X2 axle servo drive unit along doing to move forward and backward with the direction of work spindle axis normal;
Work spindle drives the workpiece rotation and forms the C axle;
The A1 slide plate adopts arc structure to be arranged on the X1 slide plate, and rotating around the X1 axis under by the driving of turbine and worm at servomotor forms A1.
The A2 slide plate adopts arc structure to be arranged on the X2 slide plate, and rotates around the X2 axis under by the driving of turbine and worm at servomotor and to form the A2 axle.
Grinding spindle is arranged on the A1 slide plate, and abrasive grinding wheel is installed on the grinding spindle, and rotates around the X1 axle with the A1 slide plate;
Revolve and mill main shaft and be arranged on the A2 slide plate, revolve milling cutter and be installed in to revolve and mill on the main shaft, and rotate around the X2 axle with the A2 slide plate;
W axle slide plate is arranged on the mount pad to guide rail by W, and the wheel truing device mount pad is fixed on the A1 slide plate, under the driving of W axle servo drive unit, move to form the W axle,
U axle slide plate is arranged on the W axle slide plate to guide rail by U, under the driving of U axle servo drive unit, moves to form the U axle,
Emery wheel correction main shaft is fixedly mounted on the U axle slide plate, and emery wheel is installed on the emery wheel correction main shaft abrasive grinding wheel is repaired;
Mount pad in the left side of lathe bed retaining thread dynamic measuring instrument laser instrument part, the mount pad of screw thread dynamic measuring instrument laser instrument part is fixed on the left side of lathe bed, the laser instrument partial fixing of screw thread dynamic measuring instrument is on the mount pad of screw thread dynamic measuring instrument laser instrument part, the probe part of screw thread dynamic measuring instrument is fixed on the X1 slide plate by the mount pad of screw thread dynamic measuring instrument probe part, the probe part of screw thread dynamic measuring instrument carries out online detection by receiving screw thread dynamic measuring instrument laser instrument part emitted laser signal to workpiece.
External thread rotary milling grinding of the present invention center takes cylindrical grinding, revolve the scheme that functions such as milling, grind external screw thread is compound in one; The employing grinding carriage moves, the structure that workpiece does not move; Have nine Control Shafts: X1 Z1X2 Z2 A1 A2 C U W; Adopt linear electric motors to drive grinding carriage and revolve and mill frame and move along the direction parallel with workpiece, lathe bed is provided with two machining cells, a machining cell carries out cylindricalo grinding, raceway grinding to workpiece, the another one machining cell carries out revolving of external screw thread raceway to workpiece and mills, lathe has and revolves the dual-use function that mills with grinding, and a clamping is finished the processing of whole operations, two machining cells can independently be programmed, and revolve simultaneously and mill and grinding; The electric main shaft that work spindle adopts the low-speed big torque motor to drive, power is big, nothing is creeped; Grinding wheel spindle adopts static pressure electricity main shaft; Outward turning is milled main shaft and is adopted electric main shaft, and volume is little, power is big; Emery wheel adopts emery wheel to revise, the emery wheel main shaft adopts electric main shaft, the emery wheel main shaft has two linear axis of U, W, during trimming wheel, diaxon carries out moving interpolation, and an emery wheel can be repaired out various difform emery wheels such as T molding sand wheel, various different arc diamond wheels, flat-faced wheel; Adopt online grooming function, the limit broken is repaired emery wheel, can effectively eliminate the variation that causes precision because of abrasion of grinding wheel, and emery wheel is sharp keen always simultaneously, can effectively improve the precision and the efficient of grinding.
The present invention has following characteristics:
1, the present invention has two machining cells, and two unit can independent programing operation, is the combination of a whirlwind milling machine and external thread grinder.
2, the present invention adopts modularized design, but arbitrary combination, and flexibility is very high.
Description of drawings
Accompanying drawing 1 is the schematic diagram of structure of the present invention.
Accompanying drawing 2 is front views of structure of the present invention.
Accompanying drawing 3 is side views of structure of the present invention.
Accompanying drawing 4 is vertical views of structure of the present invention.
Accompanying drawing 5 is cutaway views of structure Z axle of the present invention.
Accompanying drawing 6 is cutaway views of structure X1 axle of the present invention.
Accompanying drawing 7 is cutaway views of structure X2 axle of the present invention.
Accompanying drawing 8 is cutaway views of structure A1 axle of the present invention.
Accompanying drawing 9 is cutaway views of structure A2 axle of the present invention.
Accompanying drawing 10 is cutaway views of structure W axle of the present invention.
Accompanying drawing 11 is cutaway views of structure U axle of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Among the figure: 1. lathe bed, 2. work spindle, 3. centre frame, 4. tailstock, 5. grinding spindle, 6. abrasive grinding wheel, 7. revolve and mill main shaft, 8. revolve milling cutter, 9. emery wheel correction main shaft, 10. emery wheel, 11.Z be to guide rail, the 12.Z1 slide plate, 13.Z2 slide plate, 14.X1 slide plate, 15.X2 slide plate, 16.X1 the axle servo drive unit, 17.X2 axle servo drive unit, 18.A1 slide plate, 19.A2 slide plate, 20. servomotors, 21. worm and gears, 22. the wheel truing device mount pad, 23.W axle servo drive unit, 24.W is to guide rail, 25.W the axle slide plate, 26.U axle servo drive unit, 27.U is to guide rail, 28.U the axle slide plate, 29. workpiece, 30. linear electric motors are secondary, 31.Z1 linear electric motors, 32.Z2 linear electric motors, the mount pad of 33. screw thread dynamic measuring instrument probe parts, 34. screw thread dynamic measuring instrument probe parts, 35. the mount pad of screw thread dynamic measuring instrument laser instrument part, 36 screw thread dynamic measuring instrument laser instrument parts, 37.X1 is to guide rail, and 38.X2 is to guide rail.
As accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, shown in the accompanying drawing 4, external thread rotary milling grinding of the present invention center is by lathe bed (1), work spindle (2), centre frame (3), tailstock (4), grinding wheel spindle (5), abrasive grinding wheel (6) revolves and mills main shaft (7), revolves milling cutter (8), emery wheel correction main shaft (9), emery wheel (10), Z be to guide rail (11), Z1 slide plate (12), Z2 slide plate (13), X1 slide plate (14), X2 slide plate (15), X1 axle servo drive unit (16), X2 axle servo drive unit (17), A1 slide plate (18), A2 slide plate (19), servomotor (20), worm and gear (21), wheel truing device mount pad (22), W axle servo drive unit (23), W is to guide rail (24), W axle slide plate (25), U axle servo drive unit (26), U be to guide rail (27), U axle slide plate (28), workpiece (29), linear electric motors secondary (30), Z1 linear electric motors (31), Z2 linear electric motors (32), screw thread dynamic measuring instrument probe part mount pad (33), screw thread dynamic measuring instrument probe part (34), screw thread dynamic measuring instrument laser instrument part mount pad (35), screw thread dynamic measuring instrument laser instrument part (36), X1 is to guide rail (37), and X2 is to guide rail compositions such as (38).Work spindle (2), centre frame (3) and tailstock (4) are arranged on the front end of lathe bed (1), and work spindle (2) drives workpiece (29) rotation and forms the C axle; Z is arranged on the rear end of lathe bed (1) to guide rail (11), and parallel with the axis of work spindle (2); Z1 slide plate (12) and the shared Z of Z2 slide plate (13) can do move left and right along the direction parallel with workpiece master (2) axis and form Z1, Z2 axle to guide rail (11) under the driving of Z1 linear electric motors (31) and Z2 linear electric motors (32); Wherein, secondary (30) of Z1 linear electric motors (31) and the shared straight line motor of Z2 linear electric motors (32); X1 slide plate (14), X2 slide plate (15) are separately positioned on Z1 slide plate (12), the Z2 slide plate (13) by X1 guide rail (37), X2 guide rail (38), form X1, X2 axle by X1 axle servo drive unit (16) and X2 axle servo drive unit (17) along doing to move forward and backward with the direction of work spindle (2) axis normal; A1 slide plate (18), A2 slide plate (19) adopt arc structure to be arranged on X1 slide plate (14), the X2 slide plate (15), and servomotor (20) by the driving of turbine and worm (21) under around X1, X2 axis rotate formation A1, A2 axle; Abrasive grinding wheel (6) is installed on the grinding wheel spindle (5), and grinding wheel spindle (5) is arranged on the A1 slide plate (18), and rotates around the X1 axle with A1 slide plate (18); Revolve milling cutter (8) and be installed in to revolve and mill on the main shaft (7), revolve and mill main shaft (7) and be arranged on the A2 slide plate (19), and rotate around the X2 axle with A2 slide plate 19; Wheel truing device mount pad (22) is fixed on the A1 slide plate (18), W axle slide plate (25) is arranged on the mount pad (22) to guide rail (24) by W, under the driving of W axle servo drive unit (23), move and form the W axle, U axle slide plate (28) is arranged on the W axle slide plate to guide rail (27) by U, under the driving of U axle servo drive unit (26), move and form the U axle, emery wheel correction main shaft (9) is fixedly mounted on the U axle slide plate (28), and emery wheel (10) is installed in emery wheel correction main shaft (9) and upward abrasive grinding wheel (6) is repaired; Crushing main shaft (9) has two linear axis of U, W, can adopt the mode of interpolation that emery wheel is repaired, and an emery wheel (10) can be repaired out various difform emery wheels such as T molding sand wheel, various different arc diamond wheels, flat-faced wheel.The mount pad (35) of screw thread dynamic measuring instrument laser instrument part is fixed on the left side of lathe bed (1), the laser instrument part (36) of screw thread dynamic measuring instrument is fixed on the mount pad (35) of screw thread dynamic measuring instrument laser instrument part, the probe part of screw thread dynamic measuring instrument (34) is fixed on the X1 slide plate (14) by the mount pad (33) of screw thread dynamic measuring instrument probe part, the probe part of screw thread dynamic measuring instrument (34) carries out online detection by receiving laser instrument part (36) emitted laser signal of screw thread dynamic measuring instrument to workpiece.
The screw thread dynamic measuring instrument is that the model of the Reinshaw company of employing outsourcing is the linear detector of HS10 laser.
The fixing mount pad of the linear detector laser instrument part of HS10 laser in the left side of lathe bed, the mount pad of the linear detector laser instrument part of HS10 laser is fixed on the left side of lathe bed, the laser instrument partial fixing of the linear detector of HS10 laser is on the mount pad of the linear detector laser instrument part of HS10 laser, the probe part of the linear detector of HS10 laser is fixed on the X1 slide plate by the mount pad of screw thread dynamic measuring instrument probe part, gauge head can move forward and backward double thread along the X1 axle and carry out detection of dynamic, forms the screw thread dynamic measuring instrument.
Its course of work of the present invention is as follows: lathe starts, work spindle (2) drives workpiece (29) rotation, Z1, the Z1 of Z2 direction motion is to slide plate (12), Z2 is to slide plate (13), X1, the X1 of X2 direction motion is to slide plate (14), X2 is to slide plate (15), A1, the A1 axle slide plate (18) that the A2 direction rotatablely moves, two linear axis U axles of A2 axle slide plate (19) and truer main shaft (9), the W axle moves to lathe zero point, start the procedure of finishing in advance, each parts of lathe will be by instruction operation automatically, at first emery wheel (10) is accomplished flat-faced wheel with abrasive grinding wheel (6), workpiece (29) is carried out Cylindrical Grinding Processes, after cylindricalo grinding is finished, readjust centre frame (3) (because after the cylindricalo grinding, diameter of work reduces, need readjust centre frame), revolve and mill main shaft (7) startup, workpiece (29) is carried out external thread rotary milling to be opened slightly, in this process, emery wheel (10) is accomplished arc diamond wheel with abrasive grinding wheel (6), mill good external screw thread groove and carry out the roughing grinding revolving in thick revolving to mill out, grinding wheel spindle (5) and revolve and mill main shaft (7) and work simultaneously, the efficient height, finish revolve mill and roughly grind after, revise emery wheel again workpiece carried out accurate grinding.Grinding is finished startup screw thread dynamic measuring instrument workpiece is carried out online detection of dynamic, after part processing is qualified, and completion of processing, each returns to dead-center position, and workpiece electricity main shaft and milling electricity main shaft stop operating, and wait for the processing of next workpiece.If part processing is defective, then, workpiece is carried out precision grinding correction once more by revising emery wheel.
As shown in Figure 5, Z1 slide plate of the present invention (12) and Z2 slide plate (13) are arranged on the lathe bed (1) to guide rail (11) by same Z, do move left and right and form Z1, Z2 axle under the driving of Z1 linear electric motors (31) and Z2 linear electric motors (32); Secondary (30) of Z1 linear electric motors (31) and the shared straight line motor of Z2 linear electric motors (32); Z is arranged on the rear end of lathe bed to guide rail (11).
Shown in accompanying drawing 6, accompanying drawing 7, the axis normal of X1 axle of the present invention and Z1 axle, X1 slide plate (14) is arranged on the Z1 slide plate (12) by X1 guide rail (37), forms the X1 axle by X1 axle servo drive unit (16) along doing to move forward and backward with the direction of work spindle axis normal.The axis normal of X2 axle and Z2 axle, X2 slide plate (15) is arranged on the Z2 slide plate (13) by X2 guide rail (38), forms the X2 axle by X2 axle servo drive unit (17) along doing to move forward and backward with the direction of work spindle axis normal.
Shown in accompanying drawing 8, accompanying drawing 9, A1 slide plate of the present invention (18) adopts arc structure to be arranged on the X1 slide plate (14), servomotor (20) by the driving of turbine and worm (21) under around the X1 axis formation A1 that rotates.A2 slide plate (19) adopts arc structure to be arranged on the X2 slide plate (15), and rotates around the X2 axis under by the driving of turbine and worm at servomotor and to form the A2 axle.
Shown in accompanying drawing 10, accompanying drawing 11, W axle slide plate (25) is arranged on the mount pad (22) to guide rail (24) by W, wheel truing device mount pad (22) is fixed on the A1 slide plate, under the driving of W axle servo drive unit (23), move and form the W axle, U axle slide plate (28) is arranged on the W axle slide plate to guide rail (27) by U, under the driving of U axle servo drive unit (26), move and form the U axle, emery wheel correction main shaft (9) is fixedly mounted on the U axle slide plate (28), and emery wheel is installed in emery wheel correction main shaft (9) and upward abrasive grinding wheel is repaired.

Claims (10)

1, a kind of external thread rotary milling method for grinding, the workpiece of external screw thread processing is installed between the work spindle and tailstock of lathe bed, lathe bed is provided with a grinding unit, lathe bed is provided with one and revolves and mill machining cell, the grinding unit adopts linear electric motors to drive, move along the direction parallel with workpiece, workpiece is carried out cylindricalo grinding, raceway grinding, revolve and mill the driving of machining cell employing linear electric motors, move along the direction parallel with workpiece, workpiece is carried out revolving of external screw thread raceway mill, a clamping is finished the processing of whole operations.
2, external thread rotary milling method for grinding according to claim 1, it is characterized in that: work spindle drives the workpiece rotation, the grinding wheel spindle of grinding unit carries out Cylindrical Grinding Processes to workpiece, after cylindricalo grinding is finished, readjust centre frame, revolve and mill revolving of machining cell and mill main shaft and start, workpiece is carried out external thread rotary milling to be opened slightly, mill good external screw thread groove and carry out the roughing grinding revolving in thick revolving to mill out, grinding wheel spindle and revolve and mill main shaft and work simultaneously, finish revolve mill and roughly grind after, revise emery wheel again workpiece carried out accurate grinding.
3, external thread rotary milling method for grinding according to claim 1, it is characterized in that: grinding is finished, start the screw thread dynamic measuring instrument workpiece is carried out online detection of dynamic, after part processing is qualified, completion of processing, each returns to dead-center position, work spindle and milling electricity main shaft stop operating, and wait for the processing of next workpiece, if part processing is defective, then, workpiece is carried out precision grinding correction once more by revising emery wheel.
4, external thread rotary milling method for grinding according to claim 3, it is characterized in that: the screw thread dynamic measuring instrument in the lathe bed left side carries out online detection of dynamic to workpiece, the probe part of screw thread dynamic measuring instrument carries out online detection by receiving screw thread dynamic measuring instrument laser instrument part emitted laser signal to workpiece.
5, a kind of external thread rotary milling grinding center, on the lathe bed front end centre frame is installed, on the lathe bed front end tailstock is installed, on the lathe bed front end work spindle is installed, Z is set to guide rail in the rear end of lathe bed, it is characterized in that: lathe bed is provided with a grinding unit, and lathe bed is provided with one and revolves and mill machining cell.
6, external thread rotary milling grinding according to claim 5 center is characterized in that: at Z the grinding unit is set on guide rail, is provided with to revolve on guide rail at Z and mills machining cell.
7, external thread rotary milling grinding according to claim 5 center, it is characterized in that: at the mount pad of the left side of lathe bed retaining thread dynamic measuring instrument laser instrument part, the laser instrument partial fixing of screw thread dynamic measuring instrument is on the mount pad of screw thread dynamic measuring instrument laser instrument part, and the probe part of screw thread dynamic measuring instrument is fixed on the X1 slide plate by the mount pad of screw thread dynamic measuring instrument probe part.
8, external thread rotary milling grinding according to claim 5 center, it is characterized in that: the grinding unit is by the Z1 slide plate, the X1 slide plate, the A1 slide plate, grinding spindle constitutes, Z is provided with the Z1 slide plate to guide rail, the Z1 slide plate is arranged on Z on guide rail by the slide block connection, linear electric motors by linear electric motors secondary at Z to driving the Z1 slide plate on the guide rail in Z move left and right on guide rail, the X1 slide plate is arranged on the Z1 slide plate by guide rail and the connection of guide rail slide block, X1 axle servo drive motor is connected on the screw mandrel, screw mandrel is arranged on the guide rail, the guide rail slide block is installed on the screw mandrel, the X1 slide plate is installed on the guide rail slide block, X1 axle servo drive motor drives the X1 slide plate by screw mandrel, the A1 slide plate is arranged on the X1 slide plate, the A1 slide plate connects turbine and worm, servomotor connects turbine and worm, on the A1 slide plate, grinding spindle is set, revolving and milling machining cell is by the Z2 slide plate, the X2 slide plate, the A2 slide plate, revolve and mill the main shaft formation, Z is provided with the Z2 slide plate to guide rail, the Z2 slide plate is arranged on Z on guide rail by the slide block connection, linear electric motors by linear electric motors secondary at Z to driving the Z2 slide plate on the guide rail in Z move left and right on guide rail, the X2 slide plate is arranged on the Z2 slide plate by guide rail and the connection of guide rail slide block, X2 axle servo drive motor is connected on the screw mandrel, and screw mandrel is arranged on the guide rail, and the guide rail slide block is installed on the screw mandrel, the X2 slide plate is installed on the guide rail slide block, X2 axle servo drive motor drives the X2 slide plate by screw mandrel, and the A2 slide plate is arranged on the X2 slide plate, and the A2 slide plate connects turbine and worm, servomotor connects turbine and worm, is provided with to revolve on the A2 slide plate and mills main shaft.
9, external thread rotary milling grinding according to claim 8 center, it is characterized in that: on the A1 slide plate, wheel truing device is set, the crushing main shaft adopts electric main shaft, wheel dresser is provided with the U linear axis, U axle servo drive unit drives the U linear axis, wheel dresser is provided with the W linear axis, W axle servo drive unit drives the W linear axis, W axle slide plate is arranged on the mount pad to guide rail by W, the wheel truing device mount pad is fixed on the A1 slide plate, U axle slide plate is arranged on the W axle slide plate to guide rail by U, and emery wheel correction main shaft is fixedly mounted on the U axle slide plate, and emery wheel is installed on the emery wheel correction main shaft.
10, online detection external screw thread machining center according to claim 8, it is characterized in that: the A1 slide plate adopts arc structure to be arranged on the X1 slide plate, rotate around the X1 axis under at servomotor by the driving of worm and gear, the A2 slide plate adopts arc structure to be arranged on the X2 slide plate, and rotate around the X2 axis under by the driving of turbine and worm at servomotor, grinding spindle is arranged on the A1 slide plate, abrasive grinding wheel is installed on the grinding spindle, revolve and mill main shaft and be arranged on the A2 slide plate, revolve milling cutter and be installed in to revolve and mill on the main shaft.
CN2009100400198A 2009-06-01 2009-06-01 Method and processing center for external thread rotary milling and grinding Active CN101579812B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101811274A (en) * 2009-12-04 2010-08-25 威海华东数控股份有限公司 Grinder with grinding carriage capable of moving along Z1, Z2, X and B axes
CN104858746A (en) * 2015-05-13 2015-08-26 泰兴市晨光高新技术开发有限公司 Nut machining device
CN108817563A (en) * 2018-09-07 2018-11-16 湘潭大学 A kind of cylindrical external thread helical milling incision track optimizing method
CN109926665A (en) * 2017-12-18 2019-06-25 Pcm维伦公司 Revolve milling apparatus
CN114643391A (en) * 2022-03-23 2022-06-21 广州数控设备有限公司 Automatic machining method combining milling and grinding aiming at worm

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101811274A (en) * 2009-12-04 2010-08-25 威海华东数控股份有限公司 Grinder with grinding carriage capable of moving along Z1, Z2, X and B axes
CN101811274B (en) * 2009-12-04 2015-03-11 威海华东数控股份有限公司 Grinder with grinding carriage capable of moving along Z1, Z2, X and B axes
CN104858746A (en) * 2015-05-13 2015-08-26 泰兴市晨光高新技术开发有限公司 Nut machining device
CN109926665A (en) * 2017-12-18 2019-06-25 Pcm维伦公司 Revolve milling apparatus
CN109926665B (en) * 2017-12-18 2023-05-23 Pcm精密仪器公司 Rotary milling device
CN108817563A (en) * 2018-09-07 2018-11-16 湘潭大学 A kind of cylindrical external thread helical milling incision track optimizing method
CN108817563B (en) * 2018-09-07 2020-05-15 湘潭大学 Optimization method for helical milling cut-in trajectory of cylindrical external thread
CN114643391A (en) * 2022-03-23 2022-06-21 广州数控设备有限公司 Automatic machining method combining milling and grinding aiming at worm

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