CN105751019A - Precision numerical control small-hole interior conical surface grinder - Google Patents
Precision numerical control small-hole interior conical surface grinder Download PDFInfo
- Publication number
- CN105751019A CN105751019A CN201610230126.7A CN201610230126A CN105751019A CN 105751019 A CN105751019 A CN 105751019A CN 201610230126 A CN201610230126 A CN 201610230126A CN 105751019 A CN105751019 A CN 105751019A
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- Prior art keywords
- frequency
- electro spindle
- feed unit
- conversion high
- speed electro
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Classifications
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
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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
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a precision numerical control small-hole interior conical surface grinder, which comprises a grinder body, a transverse feeding unit and a longitudinal feeding unit, wherein the transverse feeding unit and the longitudinal feeding unit are arranged on the grinder body; the longitudinal feeding unit is provided with a first variable frequency high-speed motorized spindle; a precise valve seat positioning and clamping device is fixedly arranged in the axle center of the first variable frequency high-speed motorized spindle; a second variable frequency high-speed motorized spindle is arranged on the transverse feeding unit; a grinding wheel is arranged on the second variable frequency high-speed motorized spindle. According to the precision numerical control small-hole interior conical surface grinder, the first and second variable frequency high-speed motorized spindles can be matched to implement grinding machining of the grinding wheel over a workpiece; the precision numerical control small-hole interior conical surface grinder has the advantages of short process flow, once clamping, high production efficiency, high automation degree, high machining accuracy, stable machining quality and the like.
Description
Technical field
The present invention relates to Machining Technology field, particularly relate to a kind of aperture inner conical surface precise numerical control grinder.
Background technology
The high pressure common rail injector valve seat of internal combustion engine inner conical surface processing, be its angle of the critical process in machining, circularity by impact with high pressure common rail injector valve seat in conjunction with sectional area, thus affecting the service behaviour of internal combustion engine, cause a series of fault.
At present, the processing technique of high pressure common rail injector valve seat is: first roughly grind inner conical surface, after the assay was approved at fine grinding inner conical surface.Owing to being subject to the impact of the factors such as employee's business skill, machine tool accuracy, corase grind inner conical surface operation first-time qualification rate is between 85～90%, accurate inner conical surface operation first-time qualification rate is between 70～75%, bring huge workload to the cleaning of operation, inspection, classification, be the bottleneck operation affecting the Product processing cycle.
Summary of the invention
For the deficiency of the problems referred to above, the invention provides a kind of aperture inner conical surface precise numerical control grinder, including:
Lathe bed；
Traverse feed unit and length feed unit, be arranged on lathe bed；Described traverse feed unit and described length feed unit are mutually perpendicular to；
Described length feed unit is provided with the first frequency-conversion high-speed electro spindle, and described first frequency-conversion high-speed electro spindle can along with the rotation of the first centration axis free adjusting angle on described length feed unit；
Valve seat precise positioning clamping device is fixedly mounted on the axle center of described first frequency-conversion high-speed electro spindle, and along with described first frequency-conversion high-speed electro spindle high-speed rotation；
Being provided with the second frequency-conversion high-speed electro spindle on described traverse feed unit, described second frequency-conversion high-speed electro spindle can along with the rotation of the second centration axis free adjusting angle on described traverse feed unit；Described second frequency-conversion high-speed electro spindle is provided with emery wheel；
By the cooperation of described first frequency-conversion high-speed electro spindle and described second frequency-conversion high-speed electro spindle, can make described emery wheel that workpiece carries out polishing processing.
Preferably, in described length feed unit:
First track base is fixedly installed on described lathe bed；
First motor cabinet and clutch shaft bearing seat are separately fixed on described first track base, and the first deep groove ball bearing is arranged in described clutch shaft bearing seat, and the first angular contact bearing and the first spacer ring are placed in the dead eye of described first motor cabinet；
First ball screw assembly, is arranged in the dead eye at two ends；
First servomotor is fixed in the first motor cabinet；
First shaft coupling two ends connect described first servomotor and described first ball screw assembly, respectively, play the effect of transmission power；
First nut seat connects described first ball screw assembly, and the first slide carriage respectively；
First line slideway auxiliary is made up of the first guide rail and the first guide runner, and the first guide rails assembling is on described first track base；
First slide block is fixing with described first slide carriage and described first guide runner to be connected, and described first slide block can along with described length feed unit be longitudinally reciprocating；
One end of first centration axis is connected with the first main shaft support seat interference fit, and described first main shaft support seat can be freely rotatable with the axis of the first centration axis；The other end of described first centration axis and described first space of slider are connected；
First frequency-conversion high-speed electro spindle is fixed on described first main shaft support seat.
Preferably, the axis of described first centration axis and is mutually perpendicular to the axis of described first frequency-conversion high-speed electro spindle in same perpendicular.
Preferably, described first angular contact bearing and described first spacer ring are placed in the dead eye of the first motor cabinet, and fix the first end cap compression with the first hexagon socket cap head screw.
Preferably, described first ball screw assembly, is arranged in the dead eye at two ends, and locks with the first lining and the first locking nut, and then eliminates axial gap.
Preferably, described numerically control grinder also includes: wheel dresser；
Described wheel dresser includes: crushing supporting seat, dresser；
Described crushing supporting seat is fixedly connected on described first slide block；
Described dresser is longitudinally secured to be connected on described crushing supporting seat.
Preferably, the axis of described dresser and the axis of described first frequency-conversion high-speed electro spindle are in same level, and the axis of described dresser is vertical with described traverse feed unit；
Described crushing supporting seat and the fixing connection of described first slide block.
Preferably, on described traverse feed unit:
Second track base is fixedly installed on described lathe bed；
Second motor cabinet and the second bearing block are separately fixed on described second track base, and the second deep groove ball bearing is arranged in described second bearing block, and the second angular contact bearing and the second spacer ring are placed in the dead eye of described second motor cabinet；
Second ball screw assembly, is arranged in the dead eye at two ends；
Second servomotor is fixed in the second motor cabinet；
Second shaft coupling two ends connect described second servomotor and described second ball screw assembly, respectively, play the effect of transmission power；
Second nut seat connects described second ball screw assembly, and the second slide carriage respectively；
Second line slideway auxiliary is made up of the second guide rail and the second guide runner, and described second guide rails assembling is on described second track base；
Second slide block is fixing with described second slide carriage and described second guide runner to be connected, and described second slide block can along with described traverse feed unit be laterally reciprocating；
One end of second centration axis is connected with the second main shaft support seat interference fit, and described second main shaft support seat can be freely rotatable with the axis of the second centration axis；The other end of described second centration axis and described second space of slider are connected；
Second frequency-conversion high-speed electro spindle is fixed on described second main shaft support seat.
Preferably, described second frequency-conversion high-speed electro spindle and described second guide rail are 135 °.
Preferably, described second ball screw assembly, is arranged in the dead eye at two ends, and locks with the second lining and the second locking nut, and then eliminates axial gap.
By one or more technical scheme of the present invention, the invention have the advantages that or advantage:
The invention provides a kind of aperture inner conical surface precise numerical control grinder, including lathe bed；Traverse feed unit and length feed unit, be arranged on lathe bed；Described length feed unit is provided with the first frequency-conversion high-speed electro spindle, valve seat precise positioning clamping device is fixedly mounted on the axle center of described first frequency-conversion high-speed electro spindle, being provided with the second frequency-conversion high-speed electro spindle on described traverse feed unit, described second frequency-conversion high-speed electro spindle is provided with emery wheel；By the cooperation of described first frequency-conversion high-speed electro spindle and described second frequency-conversion high-speed electro spindle, can make described emery wheel that workpiece carries out polishing processing.There is the advantages such as technological process is short, clamped one time, and production efficiency is high, automaticity is high, machining accuracy is high, crudy is stable.
Aperture inner conical surface precise numerical control grinder of the present invention greatly reduces product inner conical surface position allowance, saves manufacturing cost, part by one-step clamping, processes to technological requirement size, shortens the Product processing cycle；The processing mode of application NC postprocessing replaces manual operation, it is to avoid the anthropic factor impact on product quality；Abrasive grinding wheel is arranged according to system, correction automatically, automatic grinding processing.
The aperture inner conical surface precise numerical control grinder design compact conformation of the present invention, Workpiece Machining Accuracy circularity is less than 1um, and roughness is less than 0.4um, and size error is less than 5um, it is achieved that clamped one time, substantially increases work efficiency.
Accompanying drawing explanation
The top view of a kind of aperture inner conical surface precise numerical control grinder that Fig. 1 provides for the embodiment of the present invention；
The 3 dimensional drawing of a kind of aperture inner conical surface precise numerical control grinder that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the length feed unit of a kind of aperture inner conical surface precise numerical control grinder that Fig. 3 provides for the embodiment of the present invention；
The structural representation of the traverse feed unit of a kind of aperture inner conical surface precise numerical control grinder that Fig. 4 provides for the embodiment of the present invention.
nullDescription of reference numerals: lathe bed 1、Valve seat precise positioning clamping device 2、First frequency-conversion high-speed electro spindle 3、Second frequency-conversion high-speed electro spindle 4、First centration axis 5、First slide carriage 6、First guide runner 7、First main shaft support seat 8、First slide block 9、First guide rail 10、First ball screw assembly, 11、First track base 12、First motor cabinet 13、First servomotor 14、First shaft coupling 15、First locking nut 16、First lining 17、Crushing supporting seat 18、Dresser 19、First end cap 20、First nut seat 21、Emery wheel 22、First deep groove ball bearing 24、Clutch shaft bearing seat 25、Second guide rail 26、Second track base 27、Second bearing block 28、Second ball screw assembly, 29、Second slide block 30、Second main shaft support seat 31、Second nut seat 32、Second shaft coupling 33、Second motor cabinet 34、Second servomotor 35、Second guide runner 36、Second lining 37、Second locking nut 38、Second deep groove ball bearing 39、Second end cap 40、Second centration axis 41、Second slide carriage 42.
Detailed description of the invention
In order to make the technical staff in the technical field of the invention be more clearly understood that the present invention, below in conjunction with accompanying drawing, by specific embodiment, technical solution of the present invention is described in detail.
Referring to Fig. 1-Fig. 2, a kind of aperture inner conical surface precise numerical control grinder that the embodiment of the present invention provides, including lathe bed 1, traverse feed unit, length feed unit, the first frequency-conversion high-speed electro spindle 3, valve seat precise positioning clamping device the 2, second frequency-conversion high-speed electro spindle 4.
Introduce all parts in detail below.
Lathe bed 1 is L-shaped, is mainly used to support each type component being arranged on lathe bed 1.
Traverse feed unit and length feed unit, two feed units are arranged on lathe bed 1, are mutually perpendicular, and L-shaped are distributed on lathe bed 1, traverse feed unit is on the horizontal lathe bed 1 of L-type lathe bed 1, and length feed unit is on longitudinal lathe bed 1 of L-type lathe bed 1.
On length feed unit, being provided with the first frequency-conversion high-speed electro spindle 3, the first frequency-conversion high-speed electro spindle 3 on length feed unit can along with the rotation of the first centration axis 5 free adjusting angle on length feed unit.
Valve seat precise positioning clamping device 2 is fixedly mounted on the axle center of the first frequency-conversion high-speed electro spindle 3, can along with the first frequency-conversion high-speed electro spindle 3 high-speed rotation.And workpiece to be processed is placed in the clamping hole of valve seat precise positioning clamping device 2, fixed by fastening nut, it is possible to along with the axle center high-speed rotation of the first frequency-conversion high-speed electro spindle 3.Angle adjustable 90--150 ° between the axis of workpiece to be processed and the first frequency-conversion high-speed electro spindle 3.
Wheel dresser is fixedly mounted on length feed unit, follow-up will carry out concrete introduction for wheel dresser.
On traverse feed unit, being provided with the second frequency-conversion high-speed electro spindle 4, the second frequency-conversion high-speed electro spindle 4 can along with the rotation of the second centration axis 41 free adjusting angle on traverse feed unit.
The second frequency-conversion high-speed electro spindle 4 and the second guide rail 26 on traverse feed unit are 135 ° of installations, it is possible to do linear reciprocating motion on the second guide rail 26, on the direct clamping of emery wheel 22 second frequency-conversion high-speed electro spindle 4 on traverse feed unit.
It is described below in length feed unit, the structure of all parts and annexation.
First track base 12 is fixedly installed on lathe bed 1, can pass through to be spirally connected, welding etc. mode is fixed.
Referring to Fig. 3, length feed unit includes: the first track base 12, first motor cabinet 13, first servomotor 14, first shaft coupling 15, first locking nut 16, first lining 17, two the first angular contact bearings, first spacer ring, first end cap 20, first hexagon socket cap head screw, first ball screw assembly, 11, second hexagon socket cap head screw, first nut seat 21, first line slideway auxiliary, first slide carriage 6, first deep groove ball bearing 24, clutch shaft bearing seat 25, 3rd hexagon socket cap head screw, 4th hexagon socket cap head screw, 5th hexagon socket cap head screw, 6th hexagon socket cap head screw, 7th hexagon socket cap head screw and the 8th hexagon socket cap head screw.
The annexation of all parts is described below.
First motor cabinet 13 and clutch shaft bearing seat 25 are separately fixed on the first track base 12.In actual applications, fixed form has multiple, for example, the first motor cabinet 13 and clutch shaft bearing seat 25 can be separately fixed on the first track base 12 by the 6th hexagon socket cap head screw and the 3rd hexagon socket cap head screw.Certainly, in addition also having other fixed forms, other fixed forms are also included within the present invention.
First deep groove ball bearing 24 is arranged in clutch shaft bearing seat 25.
Two the first angular contact bearings and the first spacer ring are placed in the dead eye of the first motor cabinet 13, fix the first end cap 20 with the first hexagon socket cap head screw and compress.In actual applications, fixed form has multiple, certainly, except with outside the mode that screw is fixing, also has other fixed forms, and other fixed forms are also included within the present invention.
First ball screw assembly, 11 is arranged in the dead eye at two ends, and with the first lining 17 and the first locking nut 16, locks the axial gap eliminating the first ball screw assembly, 11.
First servomotor 14 is fixed in the first motor cabinet 13.In actual applications, fixed form has multiple, for example, the first servomotor 14 can be fixed in the first motor cabinet 13 by the 8th hexagon socket cap head screw.Certainly, except with outside the mode that screw is fixing, also having other fixed forms, other fixed forms are also included within the present invention.First servomotor 14 is the power resources of length feed unit, and the first servomotor 14 drives the motion of each parts by the control of digital control system.
First shaft coupling 15 two ends connect the first servomotor 14 and the first ball screw assembly, 11 respectively, play the effect of transmission power.
First nut seat 21 connects the first ball screw assembly, 11 and the first slide carriage 6 respectively.Specifically, the first nut seat 21 can connect the first ball screw assembly, 11 and the first slide carriage 6 respectively by the second hexagon socket cap head screw and the 5th hexagon socket cap head screw.
First line slideway auxiliary 22 is made up of the first guide rail 10 and the first guide runner 7, and the first guide rail 10 is arranged on the first track base 12, for instance, the first guide rail 10 can be arranged on the first track base 12 by the 7th hexagon socket cap head screw.
First slide block 9 is fixed be connected with the first slide carriage 6 and the first guide runner 7, and the first slide block 9 can along with length feed unit be longitudinally reciprocating.In actual applications, fixed form has multiple, for example, the first slide block 9 is fixed by the 4th hexagon socket cap head screw and the first slide carriage 6 and the first guide runner 7.Certainly, except with outside the mode that screw is fixing, also having other fixed forms, other fixed forms are also included within the present invention.
First frequency-conversion high-speed electro spindle 3 is fixed on the first main shaft support seat 8.In actual applications, fixed form has multiple, for example, the first frequency-conversion high-speed electro spindle 3 is fixed on the first main shaft support seat 8 by interior hexagonal cylindrical screw.Certainly, except with outside the mode that screw is fixing, also having other fixed forms, other fixed forms are also included within the present invention.
One end of first centration axis 5 is connected with the first main shaft support seat 8 interference fit, and the axis of the first centration axis 5 and the axis of the first frequency-conversion high-speed electro spindle 3 and are mutually perpendicular in same perpendicular.
The other end of the first centration axis 5 and the first slide block 9 matched in clearance connect.
First main shaft support seat 8 can be freely rotatable around its axis with the first centration axis 5, is fastenedly connected by screw and the first slide block 9 after adjusting angle as requested.
Valve seat precise positioning clamping device 2 is fixing with the axle center of the first frequency-conversion high-speed electro spindle 3 to be connected, and workpiece to be added is placed in the clamping hole of valve seat precise positioning clamping device 2, is fixed by fastening nut, along with the axle center high-speed rotation of the first frequency-conversion high-speed electro spindle 3.
Wheel dresser includes: crushing supporting seat 18, dresser 19.
Crushing supporting seat 18 is fixedly connected on the first slide block 9.In actual applications, fixed form has multiple, for instance, crushing supporting seat 18 is fixedly connected on the first slide block 9 by soket head cap screw.Certainly, except with outside the mode that screw is fixing, also having other fixed forms, other fixed forms are also included within the present invention.
Dresser 19 is longitudinally secured to be connected on crushing supporting seat 18, and the axis of dresser 19 and the axis of the first frequency-conversion high-speed electro spindle 3 are in same level, and the axis of dresser 19 is vertical with described traverse feed unit.In actual applications, fixed form has multiple, for instance, dresser 19 is connected on crushing supporting seat 18 by soket head cap screw is longitudinally secured.
In traverse feed unit, except the first slide block 7 of the second slide block 9 with length feed unit differs, miscellaneous part is all identical with the parts of length feed unit.
It addition, the second slide block 30 can be reciprocating along with traverse feed unit.
Second main shaft support seat 31 is fixedly connected on the second slide block 30 by screw and the second guide rail 26 in 135 ° so that described second frequency-conversion high-speed electro spindle 4 and described second guide rail 26 are in 135 ° of settings, and then make emery wheel 22 and the second guide rail 26 in 135 ° of installations.
Second frequency-conversion high-speed electro spindle 4 is fixed on the second main shaft support seat 31.Such as the second frequency-conversion high-speed electro spindle 4 is fixed on the second main shaft support seat 31 by soket head cap screw.
The axis of the second frequency-conversion high-speed electro spindle 4, the axis of dresser 27, the first frequency-conversion high-speed electro spindle 3 axis in same level.
Second frequency-conversion high-speed electro spindle 4 is provided with the emery wheel 22 of the grinding work piece of quick-clamping.
Introduce all parts in traverse feed unit in detail below.
Second track base 27 is fixedly installed on lathe bed 1, can pass through to be spirally connected, welding etc. mode is fixed.
Referring to Fig. 4, traverse feed unit includes: the second track base 27, second motor cabinet 34, second servomotor 35, second shaft coupling 33, second locking nut 38, second lining 37, two the second angular contact bearings, second spacer ring, second end cap 40, 9th hexagon socket cap head screw, second ball screw assembly, 29, tenth hexagon socket cap head screw, second nut seat 32, second line slideway auxiliary, second slide carriage 42, second deep groove ball bearing 39, second bearing block 28, 11st hexagon socket cap head screw, 12nd hexagon socket cap head screw, 13rd hexagon socket cap head screw, 14th hexagon socket cap head screw, 15th hexagon socket cap head screw and the 16th hexagon socket cap head screw.
The annexation of all parts is described below.
Second motor cabinet 34 and the second bearing block 28 are separately fixed on the second track base 27.In actual applications, fixed form has multiple, for example, the second motor cabinet 34 and the second bearing block 28 can be separately fixed on the second track base 27 by the 14th hexagon socket cap head screw and the 11st hexagon socket cap head screw.Certainly, in addition also having other fixed forms, other fixed forms are also included within the present invention.
Second deep groove ball bearing 39 is arranged in the second bearing block 28.
Two the second angular contact bearings and the second spacer ring are placed in the dead eye of the second motor cabinet 34, fix the second end cap 40 with the 9th hexagon socket cap head screw and compress.
Second ball screw assembly, 29 is arranged in the dead eye at two ends, and with the second lining 37 and the second locking nut 38, locks the axial gap eliminating the second ball screw assembly, 29.
Second servomotor 35 is fixed in the second motor cabinet 34.For example, the second servomotor 35 can be fixed in the second motor cabinet 34 by the 16th hexagon socket cap head screw.Second servomotor 35 is the power resources of traverse feed unit, and the second servomotor 35 drives the motion of each parts by the control of digital control system.
Second shaft coupling 33 two ends connect the second servomotor 35 and the second ball screw assembly, 29 respectively, play the effect of transmission power.
Second nut seat 32 connects the second ball screw assembly, 29 and the second slide carriage 42 respectively.Specifically, the second nut seat 32 can connect the second ball screw assembly, 29 and the second slide carriage 42 respectively by the tenth hexagon socket cap head screw and the 13rd hexagon socket cap head screw.
Second line slideway auxiliary is made up of the second guide rail 26 and the second guide runner 36, and the second guide rail 26 is arranged on the second track base 27, for instance, the second guide rail 26 can be arranged on the second track base 27 by the 15th hexagon socket cap head screw.
Second slide block 30 is fixed be connected with the second slide carriage 42 and described second guide runner 36, and the second slide block 30 can along with traverse feed unit be laterally reciprocating.For example, the second slide block 9 is fixed by the 12nd hexagon socket cap head screw and the second slide carriage 42.
Second frequency-conversion high-speed electro spindle 4 is fixed on the second main shaft support seat 31.For example, the second frequency-conversion high-speed electro spindle 4 is fixed on the second main shaft support seat 31 by interior hexagonal cylindrical screw.
One end of second centration axis 41 is connected with the second main shaft support seat 31 interference fit, and the axis of the second centration axis 41 and the axis of the second frequency-conversion high-speed electro spindle 4 and are mutually perpendicular in same perpendicular.
The other end of the second centration axis 41 and the second slide block 30 matched in clearance connect.
Second main shaft support seat 31 can be freely rotatable around its axis with the second centration axis 41, is fastenedly connected by screw and the second slide block 30 after adjusting angle as requested.
By the cooperation of described first frequency-conversion high-speed electro spindle 3 and described second frequency-conversion high-speed electro spindle 4, can make described emery wheel 22 that workpiece carries out polishing processing.
Second frequency-conversion high-speed electro spindle 4 is provided with the emery wheel 22 of the grinding work piece of quick-clamping.In workpiece (valve seat) course of processing, workpiece does high speed gyration along with the first frequency-conversion high-speed electro spindle 3 around its axis, and emery wheel 22 is done high speed gyration along with the second frequency-conversion high-speed electro spindle 4 around its axis and done reciprocating linear motion by the second slide block 30 workpiece is carried out grinding.
In grinding process, corase grind is cut and is completed in clamped one time with fine ginding, corase grind is cut after emery wheel 22 being repaired after machining and is carried out fine ginding processing, owing to dresser 19 axis and emery wheel 22 axis are 135 ° of angles, therefore the work surface angle after emery wheel 22 finishing is that 90 degree and emery wheel 22 incisal plane with work piece interface is at perpendicular, crushing amount is equal with feed compensation amount, is so easy to the compensation precision ensureing processing thus better improving the machining accuracy of workpiece.
Owing to emery wheel the 22, second frequency-conversion high-speed electro spindle the 4, first frequency-conversion high-speed electro spindle 3 etc. parts need to run up, amount of heat can be produced, be unfavorable for permanent use.Therefore this aperture inner conical surface precise numerical control grinder can also arrange cooling system, for these parts are cooled.
The present invention designs compact conformation, and Workpiece Machining Accuracy circularity is less than 1um, and roughness is less than 0.4um, and size error is less than 5um, it is achieved that clamped one time, substantially increases work efficiency.
By one or more technical scheme of the present invention, the invention have the advantages that or advantage:
The invention provides a kind of aperture inner conical surface precise numerical control grinder, including lathe bed；Traverse feed unit and length feed unit, be arranged on lathe bed；Described length feed unit is provided with the first frequency-conversion high-speed electro spindle, valve seat precise positioning clamping device is fixedly mounted on the axle center of described first frequency-conversion high-speed electro spindle and is provided with the second frequency-conversion high-speed electro spindle on described traverse feed unit, and described second frequency-conversion high-speed electro spindle is provided with emery wheel；By the cooperation of described first frequency-conversion high-speed electro spindle and described second frequency-conversion high-speed electro spindle, can make described emery wheel that workpiece carries out polishing processing.There is the advantages such as technological process is short, clamped one time, and production efficiency is high, automaticity is high, machining accuracy is high, crudy is stable.
Aperture inner conical surface precise numerical control grinder of the present invention greatly reduces product inner conical surface position allowance, saves manufacturing cost, part by one-step clamping, processes to technological requirement size, shortens the Product processing cycle；The processing mode of application NC postprocessing replaces manual operation, it is to avoid the anthropic factor impact on product quality；Abrasive grinding wheel is arranged according to system, correction automatically, automatic grinding processing.
The aperture inner conical surface precise numerical control grinder design compact conformation of the present invention, Workpiece Machining Accuracy circularity is less than 2um, and roughness is less than 0.4um, and size error is less than 10um, it is achieved that clamped one time, substantially increases work efficiency.
Although preferred embodiments of the present invention have been described, but one of ordinary skilled in the art is once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an aperture inner conical surface precise numerical control grinder, it is characterised in that including:
Lathe bed；
Traverse feed unit and length feed unit, be arranged on lathe bed；Described traverse feed unit and described length feed unit are mutually perpendicular to；
Described length feed unit is provided with the first frequency-conversion high-speed electro spindle, and described first frequency-conversion high-speed electro spindle can along with the rotation of the first centration axis free adjusting angle on described length feed unit；
Valve seat precise positioning clamping device is fixedly mounted on the axle center of described first frequency-conversion high-speed electro spindle, and along with described first frequency-conversion high-speed electro spindle high-speed rotation；
Being provided with the second frequency-conversion high-speed electro spindle on described traverse feed unit, described second frequency-conversion high-speed electro spindle can along with the rotation of the second centration axis free adjusting angle on described traverse feed unit；Described second frequency-conversion high-speed electro spindle is provided with emery wheel；
By the cooperation of described first frequency-conversion high-speed electro spindle and described second frequency-conversion high-speed electro spindle, can make described emery wheel that workpiece carries out polishing processing.
2. numerically control grinder as claimed in claim 1, it is characterised in that in described length feed unit:
First track base is fixedly installed on described lathe bed；
First motor cabinet and clutch shaft bearing seat are separately fixed on described first track base, and the first deep groove ball bearing is arranged in described clutch shaft bearing seat, and the first angular contact bearing and the first spacer ring are placed in the dead eye of described first motor cabinet；
First ball screw assembly, is arranged in the dead eye at two ends；
First servomotor is fixed in the first motor cabinet；
First shaft coupling two ends connect described first servomotor and described first ball screw assembly, respectively, play the effect of transmission power；
First nut seat connects described first ball screw assembly, and the first slide carriage respectively；
First line slideway auxiliary is made up of the first guide rail and the first guide runner, and the first guide rails assembling is on described first track base；
First slide block is fixing with described first slide carriage and described first guide runner to be connected, and described first slide block can along with described length feed unit be longitudinally reciprocating；
One end of first centration axis is connected with the first main shaft support seat interference fit, and described first main shaft support seat can be freely rotatable with the axis of the first centration axis；The other end of described first centration axis and described first space of slider are connected；
First frequency-conversion high-speed electro spindle is fixed on described first main shaft support seat.
3. such as numerically control grinder that claim 2 is stated, it is characterised in that the axis of the axis of described first centration axis and described first frequency-conversion high-speed electro spindle and is mutually perpendicular in same perpendicular.
4. such as numerically control grinder that claim 2 is stated, it is characterised in that described first angular contact bearing and described first spacer ring are placed in the dead eye of the first motor cabinet, and fix the first end cap with the first hexagon socket cap head screw and compress.
5. such as numerically control grinder that claim 2 is stated, it is characterised in that described first ball screw assembly, is arranged in the dead eye at two ends, and lock with the first lining and the first locking nut, and then eliminate axial gap.
6. such as numerically control grinder that claim 2 is stated, it is characterised in that described numerically control grinder also includes: wheel dresser；
Described wheel dresser includes: crushing supporting seat, dresser；
Described crushing supporting seat is fixedly connected on described first slide block；
Described dresser is longitudinally secured to be connected on described crushing supporting seat.
7. such as numerically control grinder that claim 6 is stated, it is characterised in that
The axis of described dresser and the axis of described first frequency-conversion high-speed electro spindle are in same level, and the axis of described dresser is vertical with described traverse feed unit；
Described crushing supporting seat and the fixing connection of described first slide block.
8. numerically control grinder as claimed in claim 1, it is characterised in that on described traverse feed unit:
Second track base is fixedly installed on described lathe bed；
Second motor cabinet and the second bearing block are separately fixed on described second track base, and the second deep groove ball bearing is arranged in described second bearing block, and the second angular contact bearing and the second spacer ring are placed in the dead eye of described second motor cabinet；
Second ball screw assembly, is arranged in the dead eye at two ends；
Second servomotor is fixed in the second motor cabinet；
Second shaft coupling two ends connect described second servomotor and described second ball screw assembly, respectively, play the effect of transmission power；
Second nut seat connects described second ball screw assembly, and the second slide carriage respectively；
Second line slideway auxiliary is made up of the second guide rail and the second guide runner, and described second guide rails assembling is on described second track base；
Second slide block is fixing with described second slide carriage and described second guide runner to be connected, and described second slide block can along with described traverse feed unit be laterally reciprocating；
One end of second centration axis is connected with the second main shaft support seat interference fit, and described second main shaft support seat can be freely rotatable with the axis of the second centration axis；The other end of described second centration axis and described second space of slider are connected；
Second frequency-conversion high-speed electro spindle is fixed on described second main shaft support seat.
9. numerically control grinder as claimed in claim 8, it is characterised in that described second frequency-conversion high-speed electro spindle and described second guide rail are 135 °.
10. numerically control grinder as claimed in claim 8, it is characterised in that described second ball screw assembly, is arranged in the dead eye at two ends, and lock with the second lining and the second locking nut, and then eliminate axial gap.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610230126.7A CN105751019B (en) | 2016-04-14 | 2016-04-14 | A kind of aperture inner conical surface precise numerical control grinder |
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| CN201610230126.7A CN105751019B (en) | 2016-04-14 | 2016-04-14 | A kind of aperture inner conical surface precise numerical control grinder |
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| CN105751019A true CN105751019A (en) | 2016-07-13 |
| CN105751019B CN105751019B (en) | 2018-10-26 |
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| CN201610230126.7A Expired - Fee Related CN105751019B (en) | 2016-04-14 | 2016-04-14 | A kind of aperture inner conical surface precise numerical control grinder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186559A (en) * | 2017-07-25 | 2017-09-22 | 武汉协志精密科技股份有限公司 | A kind of high precision numerical control endoporus conical surface grinding machine |
| CN107309761A (en) * | 2017-07-25 | 2017-11-03 | 武汉协志精密科技股份有限公司 | A kind of high precision numerical control twin shaft endoporus grinding machine |
| CN108453626A (en) * | 2018-03-28 | 2018-08-28 | 洛阳立博数控科技有限公司 | A kind of grinding small roller and with the self-acting grinding machine application method of repairing type dressing grinding wheel |
| CN110303170A (en) * | 2019-07-14 | 2019-10-08 | 南京湛泸科技有限公司 | A kind of gate valve seat ring cutter device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2933704Y (en) * | 2006-07-27 | 2007-08-15 | 濮阳贝英数控机械设备有限公司 | Multiple edge-retained grinding equipments fixed on cylindrical bearing outer ring once |
| CN102744666A (en) * | 2012-07-03 | 2012-10-24 | 上海交通大学 | Numerical control accurate grinding device and grinding method for seal ring internal spherical surface |
| CN103084942A (en) * | 2013-01-25 | 2013-05-08 | 江苏瑞普机床有限公司 | Small-hole inner conical surface precision computer numerical control (CNC) grinder |
| JP2014008547A (en) * | 2012-06-28 | 2014-01-20 | Komatsu Ntc Ltd | Grinding machine of shaft-shaped workpiece |
| CN105171572A (en) * | 2015-10-20 | 2015-12-23 | 广东豪特曼智能机器有限公司 | Compound grinding machine |
| CN205497139U (en) * | 2016-04-14 | 2016-08-24 | 武汉协志精密科技股份有限公司 | Accurate numerically control grinder of conical surface in aperture |
-
2016
- 2016-04-14 CN CN201610230126.7A patent/CN105751019B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2933704Y (en) * | 2006-07-27 | 2007-08-15 | 濮阳贝英数控机械设备有限公司 | Multiple edge-retained grinding equipments fixed on cylindrical bearing outer ring once |
| JP2014008547A (en) * | 2012-06-28 | 2014-01-20 | Komatsu Ntc Ltd | Grinding machine of shaft-shaped workpiece |
| CN102744666A (en) * | 2012-07-03 | 2012-10-24 | 上海交通大学 | Numerical control accurate grinding device and grinding method for seal ring internal spherical surface |
| CN103084942A (en) * | 2013-01-25 | 2013-05-08 | 江苏瑞普机床有限公司 | Small-hole inner conical surface precision computer numerical control (CNC) grinder |
| CN105171572A (en) * | 2015-10-20 | 2015-12-23 | 广东豪特曼智能机器有限公司 | Compound grinding machine |
| CN205497139U (en) * | 2016-04-14 | 2016-08-24 | 武汉协志精密科技股份有限公司 | Accurate numerically control grinder of conical surface in aperture |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186559A (en) * | 2017-07-25 | 2017-09-22 | 武汉协志精密科技股份有限公司 | A kind of high precision numerical control endoporus conical surface grinding machine |
| CN107309761A (en) * | 2017-07-25 | 2017-11-03 | 武汉协志精密科技股份有限公司 | A kind of high precision numerical control twin shaft endoporus grinding machine |
| CN108453626A (en) * | 2018-03-28 | 2018-08-28 | 洛阳立博数控科技有限公司 | A kind of grinding small roller and with the self-acting grinding machine application method of repairing type dressing grinding wheel |
| CN108453626B (en) * | 2018-03-28 | 2019-10-25 | 洛阳立博数控科技有限公司 | A kind of grinding small roller and the self-acting grinding machine application method with repairing type dressing grinding wheel |
| CN110303170A (en) * | 2019-07-14 | 2019-10-08 | 南京湛泸科技有限公司 | A kind of gate valve seat ring cutter device |
| CN110303170B (en) * | 2019-07-14 | 2024-05-17 | 南京湛泸科技有限公司 | Gate valve seat ring cutting device |
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