CN108953508A - A kind of numerically-controlled machine tool speed-changing gear box - Google Patents
A kind of numerically-controlled machine tool speed-changing gear box Download PDFInfo
- Publication number
- CN108953508A CN108953508A CN201811080232.7A CN201811080232A CN108953508A CN 108953508 A CN108953508 A CN 108953508A CN 201811080232 A CN201811080232 A CN 201811080232A CN 108953508 A CN108953508 A CN 108953508A
- Authority
- CN
- China
- Prior art keywords
- gear
- shifting slide
- cabinet
- slide gear
- matching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006698 induction Effects 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 24
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 241000486406 Trachea Species 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/083—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with radially acting and axially controlled clutching members, e.g. sliding keys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/12—Mechanical drives with means for varying the speed ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
- F16H2061/308—Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/324—Gear shift yokes, e.g. shift forks characterised by slide shoes, or similar means to transfer shift force to sleeve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The present invention relates to a kind of numerically-controlled machine tool speed-changing gear boxs comprising cabinet and is installed on the intracorporal input shaft assembly of case, output shaft assembly, cylinder assembly, pull-fork assembly and shifting slide gear component；Cylinder assembly includes two-way cylinder block, left piston bar, right piston bar and induction of signal axis；Pull-fork assembly includes shift fork axle, shift fork and rotation stop axis；Shifting slide gear component includes splined shaft, the first shifting slide gear, the second shifting slide gear, third shifting slide gear and the 4th shifting slide gear；Input shaft assembly is located at shifting slide gear component side, and output shaft assembly matching is located at the shifting slide gear component other side；Shifting slide gear component is connect under the stirring of shift fork with input shaft assembly and output shaft assembly.High degree of automation of the present invention can effectively improve the processing efficiency of lathe, ensure that machine finish, and service performance is stable, reliable and cost performance is high, can generate good social benefit.
Description
Technical field
The present invention relates to machine tool technology fields, and in particular to a kind of numerically-controlled machine tool speed-changing gear box.
Background technique
The skeleton symbol numerical-control horizontal lathe of 400 ~ 500mm of the swing diameter of work is that market occupancy volume is big, the cutting moment of torque is big, purposes
Extensively, the excellent lathe of cost performance, the market price 8 ~ 90,000 yuan/platform, this lathe have a deficiency, spindle box using manually it is high, in,
Motor frequency conversion speed change in low three gears gear shift+shelves, the range of speeds respectively (162~1620rpm) (66~660rpm) (21~
210rpm), program pause, main shaft is needed to stop operating in a wide range of revolving speed speed change of processing disk cover class workpiece, manually it is high, in,
Low three gears switching, is again started up program processing later, reduces production efficiency and operates pleasant property, the degree of automation is low, when one
When people's multi-machine operation, shortcoming is particularly evident.
There is similar lathe in market, and main shaft uses fluid drive, passes through electromagnetic clutch or hydraulic cylinder clutch gear shift+shelves
Interior variable-frequency motor speed change, price 10.5 ~ 12.8 ten thousand yuan/platform, cost performance are not so good as skeleton symbol numerical-control horizontal lathe, and the market demand is seldom.
If skeleton symbol numerical-control horizontal lathe price is kept to be basically unchanged, and realize that main shaft is undoubtedly very for variable speed in fluid drive, shelves
Big progress improves efficiency and operates pleasant property, it can be achieved that fluid drive of the disk cover parts in 20 ~ 1600rpm of main shaft is processed,
High degree of automation, and can people's multi-machine operation.
Summary of the invention
For the problems in above-mentioned background technology, it is simple, reasonable that the invention proposes a kind of designs of structure, can effectively improve
The processing efficiency of lathe, and ensure that machine finish, service performance is stable, reliable and cost performance is high, can generate good
The numerically-controlled machine tool speed-changing gear box of social benefit.
Technical scheme is as follows:
Above-mentioned numerically-controlled machine tool speed-changing gear box, including cabinet and it is installed on the intracorporal input shaft assembly of the case and output shaft group
Part；The gearbox further includes the cylinder assembly for being installed on the box inside, pull-fork assembly and shifting slide gear component；
The cylinder assembly includes two-way cylinder block, left piston bar, right piston bar and induction of signal axis；The two-way cylinder block water
It is flat to be fixedly installed on the inside of the left end of the cabinet；Left piston bar one end is protruded on the inside of the left end of the two-way cylinder block,
The other end is to stretching on the outside of the left end of the cabinet and extension end is equipped with induction of signal axis；Institute is protruded into right piston bar one end
On the inside of the right end for stating two-way cylinder block, the other end matches connection with the pull-fork assembly；
The pull-fork assembly matching is located at cylinder assembly horizontal direction side comprising shift fork axle, shift fork and rotation stop axis；Institute
The right end inner wall that shift fork axle one end penetrates the cabinet is stated, the other end matches connection with the top of the right piston bar；Described group
Fork is fixed in the shift fork axle and one end is connected to the rotation stop axis；The shift fork is same in the horizontal direction with the right piston bar
Moved further；The rotation stop axis horizontal through the shift fork upper end and be slidably matched with the upper end of the shift fork；
The shifting slide gear component matching is located at the pull-fork assembly side comprising splined shaft, the first shifting slide gear, second are slided
Move gear, third shifting slide gear and the 4th shifting slide gear；The splined shaft is horizontally placed on the box inside；Described first is sliding
Gear, the second shifting slide gear and third shifting slide gear is moved to pass sequentially through U-shaped key from left to right and be installed on the splined shaft；It is described
The left part of first shifting slide gear circumferentially radially offers sliding slot；The left and right inside groove of the other end of the shift fork and the sliding slot
Wall is slidably matched；4th shifting slide gear is connected to outside the left end of second shifting slide gear；First shifting slide gear,
Second shifting slide gear, third shifting slide gear and the 4th shifting slide gear group integrally become prismatic pair, and the quilt on the splined shaft
The axial synchronizing moving in shift fork edge is in place；
The input shaft component matching is located at shifting slide gear component side, and the output shaft assembly matching is located at the sliding
The gear assembly other side；The shifting slide gear component under the stirring of the shift fork with the input shaft assembly and output shaft assembly
Matching connection.
The numerically-controlled machine tool speed-changing gear box, in which: the input shaft assembly includes input shaft, bearing of input shaft, first
Input gear, the second input gear and input belt pulley；The input shaft is horizontally placed on the box inside, and left end passes through
The left side wall of the cabinet is simultaneously stretched out to the cabinet outside；The left end of the input shaft by the bearing of input shaft with it is described
The left side wall of cabinet connects, and the right end of the input shaft is connected by the right side wall of another bearing of input shaft and the cabinet
It connects；First input gear and the second input gear Matching installation are on the input shaft；First input gear and institute
Shifting slide gear matching engagement is stated, second input gear is engaged with second shifting slide gear matching；The input belt
Wheel Matching installation passes through belt and outside in the left end to the input shaft of stretching on the outside of the cabinet, the input belt pulley
The power output end of frequency conversion main motor matches connection.
The numerically-controlled machine tool speed-changing gear box, in which: the output shaft assembly includes output shaft, the first output gear,
Two output gears and third output gear；The output shaft is hollow shaft structure and level is arranged in the box inside, in
Lateral edge axial direction Matching installation has angling cylinder pull rod；The right end of the output shaft passes through the right side wall of the cabinet and traversing through end is pacified
Equipped with common chuck connecting flange or oild chuck connecting flange；The left end of the output shaft pass through the cabinet left side wall and
Traversing through end is equipped with angling cylinder connecting flange；Successively matching is pacified from left to right for first output gear and the second output gear
Loaded on the output shaft；First output gear is engaged with the 4th shifting slide gear matching；Second output gear
It is engaged with third shifting slide gear matching；The third output shaft gear Matching installation is located at institute in the left end of the output shaft
It states on the axis body inside on the left of cabinet.
The numerically-controlled machine tool speed-changing gear box, in which: the numerically-controlled machine tool speed-changing gear box further includes angling cylinder and double
To impeller pump；The angling cylinder Matching installation is on the angling cylinder connecting flange；The bidirectional rotator pump matching setting
On the downside of the output shaft and it is in the box house, power output end is equipped with encoder axis；The encoder axis one
End is connected to the left part of the cabinet by bearing, and the other end matches connection with the power output end that the bidirectional rotator pumps；Institute
Stating Matching installation on encoder axis has encoder shaft gear is simultaneously described to pass through encoder shaft gear and the third output shaft gear
Matching engagement.
The numerically-controlled machine tool speed-changing gear box, in which: the left end outer wall matching of the cabinet is provided with sensor stand；Institute
Stating the left and right sides Matching installation of sensor stand, there are two proximity sensors；The cabinet is provided with pneumatically on the outer wall of left end
Two-position four-way solenoid valve and pneumatic triple piece；Described pneumatic triple piece one end connects external pressure source, other end matching connection institute
State Pneumatic two-position four-way solenoid valve.
The numerically-controlled machine tool speed-changing gear box, in which: the two-way cylinder block level is fixedly installed in a left side for the cabinet
End inside；Its left chamber and right chamber pass through two gas-tpe fittings respectively and two tracheaes of the Pneumatic two-position four-way solenoid valve connect
It connects；When compressed air by the Pneumatic two-position four-way solenoid valve enter the two-way cylinder block left chamber after, the left piston bar
With right piston bar together synchronize move right, with realize the shifting slide gear component engagement and speed change switching.
The numerically-controlled machine tool speed-changing gear box, in which: one end that the left piston bar is stretched out to the cabinet left end outside
It is also equipped with induction bracing strut；The induction bracing strut is moved together with the left piston bar；The induction of signal axis matching peace
End loaded on the induction bracing strut.
The numerically-controlled machine tool speed-changing gear box, in which: the middle section of the shift fork is fixed on by axis with elastic collar described
In shift fork axle.
The utility model has the advantages that
Numerically-controlled machine tool gear shift box structure design of the present invention is simple, reasonable, and performance is stable, failure is few, easy to maintenance, can be effective
It improves the processing efficiency of lathe and guarantees machine finish, service performance is stable, reliable and cost performance is high, the degree of automation
Height can be reduced machine-tool operator quantity and generate good social benefit when current people multi-machine operation becomes trend.
Gas source of the present invention is the standing 0.4-0.6Mpa compressed air in workshop, and Machine Manufacture expense and production expense can be greatly reduced
With (if select oil cylinder it is shifted, about 0.25 ten thousand yuan/platform of hydraulic station need to be configured, separately there is electric power and hydraulic oil consumption, failure rate
It is more, separately there are certain customers to configure hand chuck and do not need configuration hydraulic station).The present invention makes lathe become automation processing stage
High lathe, 20-1600rpm range revolving speed is organized in numerical control program by Same Part when processing makes main shaft fluid drive,
The cutting of low roughness value when not only having met main shaft high speed but also large torque high metal removal rate when meeting main shaft low are cut
It cuts, machining accuracy and high-efficient；Cost performance is much better than former manual three gear main shaft speed change (variable-frequency motor speed change in shelves), semi-automation
The low lathe of degree；When former manual three gears machine tooling Same Part, need main shaft stalling, program temporary when a wide range of speed change of main shaft
Stop, carrying out hand shift, restarts program processing.
Detailed description of the invention
Fig. 1 is the right view of numerically-controlled machine tool speed-changing gear box of the present invention；
Fig. 2 is the cross-sectional view in the direction A-A in Fig. 1 of numerically-controlled machine tool speed-changing gear box of the present invention；
Fig. 3 is the cross-sectional view in the direction B-B in Fig. 1 of numerically-controlled machine tool speed-changing gear box of the present invention；
Fig. 4 is partial structural diagram in Fig. 1 of numerically-controlled machine tool speed-changing gear box of the present invention；
Fig. 5 is the cross-sectional view in the direction C-C in Fig. 1 of numerically-controlled machine tool speed-changing gear box of the present invention；
Fig. 6 is the cross-sectional view in the direction F-F in Fig. 1 of numerically-controlled machine tool speed-changing gear box of the present invention；
Fig. 7 is the left view of numerically-controlled machine tool speed-changing gear box of the present invention；
Fig. 8 is the enlarged structure schematic diagram in the region D in Fig. 7 of numerically-controlled machine tool speed-changing gear box of the present invention.
In figure: 1 cabinet, 2 cylinder assemblies, 3 pull-fork assemblies, 4 shifting slide gear components, 5 input shaft assemblies, 6 output shaft assemblies,
7 bidirectional rotators pump, 8 angling cylinders, 11 fit walls, 12 sensor stands, 13 proximity sensors, 14 Pneumatic two-position four-way electromagnetism
Valve, 15 pneumatic triple pieces, 21 two-way cylinder block, 22 left piston bars, 23 right piston bars, 24 induction bracing struts, 25 induction of signal axis,
Dowel pin, 331 rotation stop axis blanking covers, 41 are matched in 211 gas-tpe fittings, 31 shift fork axles, 32 shift forks, 33 rotation stop axis, 231 hinge spindles, 232
Splined shaft, 42 first shifting slide gears, 43 second shifting slide gears, 44 third shifting slide gears, 45 the 4th shifting slide gears, 411 first axles
It holds, 412 second bearings, 413 splined shaft right end blanking covers, 414M20 jackscrew, 415 retaining housing screws, 51 input shafts, 52 input shafts
Bearing, 53 first input gears, 54 second input gears, 55 input belt pulleys, 56 spacers, 61 output shafts, 62 first output gears
Wheel, 63 second output gears, 64 third output shaft gears, 611 angling cylinder pull rods, 612 common chuck connecting flanges, 613 liquid
Press chuck connecting flange, 614 angling cylinder connecting flanges, 71 encoder axis, 72 encoder shaft gears.
Specific embodiment
As shown in Fig. 1 to Fig. 8 numerically-controlled machine tool speed-changing gear box of the present invention, including cabinet 1, cylinder assembly 2, pull-fork assembly 3,
Shifting slide gear component 4, input shaft assembly 5, output shaft assembly 6, bidirectional rotator pump 7 and angling cylinder 8.
There is accommodating space, internal to be extended with fit walls 11 vertically close to middle section, left and right end is inside the cabinet 1
Enclosed construction；Wherein, also matching is provided with sensor stand 12 to the cabinet 1 on the outer wall of left end；The sensor stand 12 or so
There are two proximity sensors 13 for two sides Matching installation；Meanwhile the cabinet 1 is additionally provided with Pneumatic two-position four-way electricity on the outer wall of left end
Magnet valve 14 and pneumatic triple piece 15；15 one end of pneumatic triple piece connects external pressure source, and other end matching connects Pneumatic two-position four
Three-way electromagnetic valve 14.
2 Matching installation of cylinder assembly in the cabinet 1 left end on the inside of comprising two-way cylinder block 21, left piston bar 22,
Right piston bar 23, induction bracing strut 24 and induction of signal axis 25.
The two-way cylinder block 21 is located on the inside of 1 inside of cabinet and the horizontal left end for being fixedly installed in the cabinet 1, the two-way gas
The left chamber and right chamber of cylinder body 21 are connected with two gas-tpe fittings 211 respectively, gas-tpe fitting 211 and Pneumatic two-position four-way solenoid valve 14
Two tracheaes connection；After compressed air enters two-way 21 left chamber of cylinder block, left piston bar 22 and right piston bar 23 are same together
Step moves right, and realizes the engagement and speed change switching of shifting slide gear component 4.
22 one end of left piston bar is protruded on the inside of the left end of two-way cylinder block 21, and the other end is stretched to the left end of cabinet 1 outside
Out and extension end is equipped with induction bracing strut 24；The induction bracing strut 24 is moved together with the left piston bar 22, the induction of signal
End and adjustable position of 25 Matching installation of axis in induction bracing strut 24.When induction of signal axis 25 is moved to and is located at sensor
When 13 axial position of proximity sensor on 12 right side of bracket is overlapped, digital control system is connected to positioned at the close of 12 right side of sensor stand
Signal, numerical control system execute next section of program to sensor 13 automatically in place.
23 one end of right piston bar is protruded on the inside of the right end of two-way cylinder block 21, and the other end matches connection with pull-fork assembly 3.
The pull-fork assembly 3 is installed on inside the cabinet 1 comprising shift fork axle 31, shift fork 32 and rotation stop axis 33.Wherein, should
31 one end activity of shift fork axle penetrates the right end inner wall of cabinet 1, fit walls 11 and two-way cylinder 21 of the other end activity across cabinet 1
23 top of right piston bar by hinge spindle 231 with dowel pin 232 matching connection.The shift fork 32 is fixed by axis with elastic collar
Rotation stop axis 33 is connected in shift fork axle 31 and one end；The shift fork 32 is same in the horizontal direction with the right piston bar 23 of two-way cylinder 21
Moved further.The rotation stop axis 33 is horizontally placed on 1 inside of cabinet and matching is located at 31 top of shift fork axle, horizontal through the shift fork 32
Upper end and be slidably matched with the upper end of the shift fork 32；Axial one end of the rotation stop axis 33 is fixedly connected on the fit walls of cabinet 1
11.The axial other end is connected to the right side wall of cabinet 1 and 331 axial restraint of rotation stop axis blanking cover by being mounted on end.
The shifting slide gear component 4 is installed on 1 inside of cabinet and matching is located at 3 side of pull-fork assembly comprising spline
Axis 41, the first shifting slide gear 42, the second shifting slide gear 43, third shifting slide gear 44 and the 4th shifting slide gear 45.Wherein, the spline
Axis 41 is horizontally placed on 1 inside of cabinet, and one end is connected to the fit walls 11 of cabinet 1 by first bearing 411, and the other end is logical
The right side wall that second bearing 412 is connected to cabinet 1 and end are crossed by corresponding to the splined shaft being fixed in 1 outer right wall of the cabinet right side
End blanking cover 413 covers；The splined shaft right end blanking cover 413, M20 jackscrew 414 are equipped with the matching of retaining housing screw 415 and are fixed on second
The outer ring right-hand end of bearing 412 makes the outer ring axial restraint of second bearing 412.First shifting slide gear 42, the second shifting slide gear
43 and third shifting slide gear 44 be successively installed on the splined shaft 41 from left to right by U-shaped key；First shifting slide gear 42 is left
The sliding slot that portion circumferentially radially offers；The left and right inside groove of sliding slot of 42 left part of the other end of the shift fork 32 and the first shifting slide gear
Wall is slidably matched；4th shifting slide gear 45 is connected to outside the left end of the second shifting slide gear 43 by flat key and screw；This
45 groups of one shifting slide gear 42, the second shifting slide gear 43, third shifting slide gear 44 and the 4th shifting slide gear integrally become prismatic pair,
And on splined shaft 41 by the axial synchronizing moving of the shift fork of the pull-fork assembly 3 32 in place (bottom gear).When the first shifting slide gear 42,
Second shifting slide gear 43, third shifting slide gear 44 and the 4th shifting slide gear 45 are axial synchronous to the left by shift fork 32 on splined shaft 41
It moves when in place (top gear), induction of signal axis 25 and the 13 axial position weight of proximity sensor for being located at 12 left side of sensor stand
It closes, digital control system is connected to the proximity sensor 13 positioned at 12 left side of sensor stand, and signal, digital control system execute automatically in place
Next section of program.
The input shaft assembly 5 is installed on 1 inside of cabinet and matching is located at 4 side of shifting slide gear component comprising input
Axis 51, bearing of input shaft 52, the first input gear 53, the second input gear 54 and input belt pulley 55.
Wherein, which is horizontally placed on 1 inside of the cabinet, and left end passes through the left side wall of cabinet 1 and to cabinet 1
Outside is stretched out, and middle section axis body passes through the fit walls 11 of cabinet 1, the right side wall connection of right end and cabinet 1 and end by it is corresponding admittedly
The input shaft right end blanking cover and M20 jackscrew and slim gland being scheduled in 1 outer right wall of cabinet are by bearing outer ring axial restraint；This is defeated
Enter a by a pair of of bearing of input shaft 52(2 between the left end of axis 51 and the left side wall of cabinet 1) connection, middle section axis body is by one
Bearing of input shaft 52 is connect with the fit walls 11 of cabinet 1, passes through a bearing of input shaft 52 between right end and the right side wall of cabinet 1
Connection.First input gear 53 and the second input gear 54 from left to right successively Matching installation in the fit walls for being located at cabinet 1
On the axis body of input shaft 51 between 11 and right side wall: meanwhile, the input shaft 51 be located at the axial left end of the first input gear 53 with
It is also arranged with spacer 56 on axis body between the fit walls 11 of cabinet 1, it is axial right which is located at the first input gear 53
It is arranged with another spacer 56 on axis body between end and the axial left end of the second input gear 54, which is located at the second input
A spacer 56 is also arranged on axis body between the axial right end of gear 54 and the right side wall of cabinet 1.First input gear 53
Engage with the matching of the first shifting slide gear 42 of the shifting slide gear component 4, the of the second input gear 54 and the shifting slide gear component 4
The matching engagement of two shifting slide gears 43.55 Matching installation of input belt pulley stretches out the left end in 1 outside of cabinet in the input shaft 51,
Connection is matched with the power output end of external frequency conversion main motor by belt.
The output shaft assembly 6 is installed on 1 inside of cabinet and matching is located at 4 other side of shifting slide gear component comprising defeated
Shaft 61, the first output gear 62, the second output gear 63 and third output shaft gear 64；Wherein, which wears
It set on 1 inside of cabinet and is hollow shaft structure, lateral edge axial direction Matching installation has angling cylinder pull rod 611 in the output shaft 61,
The right end of the output shaft 61 passes through the right side wall of cabinet 1 and traversing through end is equipped with common chuck connecting flange 612 or oild chuck
The left end of connecting flange 613, the output shaft 61 passes through the left side wall of cabinet 1 and traversing through end is equipped with angling cylinder connecting flange
614, which is connected with angling cylinder 8 by the matching of angling cylinder connecting flange 614, and the left end of the output shaft 61 is located at
Third output shaft gear 64 is installed on axis body inside 1 left side of cabinet；First output gear 62 and the second output gear 63
From left to right successively Matching installation on the 61 right side axis body of output shaft；First output gear 62 and the shifting slide gear component 4
The 4th shifting slide gear 45 match engagement；Third shifting slide gear 44 of second output gear 63 and the shifting slide gear component 4
With engagement.When upshifting, the external variable-frequency motor of digital control system instruction, belt make the input belt pulley of the input shaft assembly 5
55 enter ± 30 ° of rotations of 30rpm with driven input shaft 51, so as to the first shifting slide gear 42, the second shifting slide gear 43, third sliding
Gear 44 and the 4th shifting slide gear 45 smooth engaging-in first input gear 53, the second input gear 54,62 and of the first output gear
Second output gear 63.
7 matching of bidirectional rotator pump is positioned close to the 55 side box house of input belt pulley of input shaft assembly 5, moves
Power output end is equipped with encoder axis 71；71 one end of encoder axis is connected to by bearing left part (the i.e. cabinet 1 of cabinet 1
Wall extension inside left side wall and left side), the other end matches connection with the power output end of bidirectional rotator pump 7；The encoder
Matching installation has encoder shaft gear 72 and by the on encoder shaft gear 72 and the 61 left end axis body of output shaft on axis 71
The matching engagement of three output shaft gears.
Shift principle of the invention:
When numerically-controlled machine tool speed-changing gear box of the present invention is shifted to the low gear of 20-320rpm under digital control system instruction, shift fork
The shift fork 32 of component 3 stirs the first shifting slide gear 42, the second shifting slide gear 43, third shifting slide gear 44 and the 4th shifting slide gear 45
It synchronizes and moves right, the second input gear 54 on input shaft 51 realizes the first order with the second shifting slide gear 43 on splined shaft 41
Slow down, the second output gear 63 of third shifting slide gear 44 and output shaft 61 on splined shaft 41 realizes that the second level is slowed down, and realizes
The revolving speed of the bottom gear transmission of gear pair, 20-320rpm is instructed by external frequency conversion main motor by the numerical control program of digital control system
It realizes.
Numerically-controlled machine tool speed-changing gear box of the present invention is shifted to the high speed gear of 320-1600rpm under digital control system instruction
When, it is sliding that the shift fork 32 of pull-fork assembly 3 stirs the first shifting slide gear 42, the second shifting slide gear 43, third shifting slide gear 44 and the 4th
Shifting gear 45, which synchronizes, to be moved to the left, and the first input gear 53 on input shaft 51 and the first shifting slide gear 42 on splined shaft 41 are real
Show first order speed change, the first output gear 62 of the 4th shifting slide gear 45 and output shaft 61 on splined shaft 41 realizes that the second level becomes
Speed, realizes the top gear transmission of gear pair, and the revolving speed of 320-1600rpm is pressed the numerical control of digital control system by external frequency conversion main motor
Program instruction is realized.
Structure of the invention design is simple, rationally, can effective lathe processing efficiency, and ensure that machine finish, make
It is high with performance stabilization, reliable and cost performance, good social benefit can be generated.
Claims (8)
1. a kind of numerically-controlled machine tool speed-changing gear box, including cabinet and it is installed on the intracorporal input shaft assembly of the case and output shaft group
Part；It is characterized by: the gearbox further includes the cylinder assembly, pull-fork assembly and shifting slide gear for being installed on the box inside
Component；
The cylinder assembly includes two-way cylinder block, left piston bar, right piston bar and induction of signal axis；The two-way cylinder block water
It is flat to be fixedly installed on the inside of the left end of the cabinet；Left piston bar one end is protruded on the inside of the left end of the two-way cylinder block,
The other end is to stretching on the outside of the left end of the cabinet and extension end is equipped with induction of signal axis；Institute is protruded into right piston bar one end
On the inside of the right end for stating two-way cylinder block, the other end matches connection with the pull-fork assembly；
The pull-fork assembly matching is located at cylinder assembly horizontal direction side comprising shift fork axle, shift fork and rotation stop axis；Institute
The right end inner wall that shift fork axle one end penetrates the cabinet is stated, the other end matches connection with the top of the right piston bar；Described group
Fork is fixed in the shift fork axle and one end is connected to the rotation stop axis；The shift fork is same in the horizontal direction with the right piston bar
Moved further；The rotation stop axis horizontal through the shift fork upper end and be slidably matched with the upper end of the shift fork；
The shifting slide gear component matching is located at the pull-fork assembly side comprising splined shaft, the first shifting slide gear, second are slided
Move gear, third shifting slide gear and the 4th shifting slide gear；The splined shaft is horizontally placed on the box inside；Described first is sliding
Gear, the second shifting slide gear and third shifting slide gear is moved to pass sequentially through U-shaped key from left to right and be installed on the splined shaft；It is described
The left part of first shifting slide gear circumferentially radially offers sliding slot；The left and right inside groove of the other end of the shift fork and the sliding slot
Wall is slidably matched；4th shifting slide gear is connected to outside the left end of second shifting slide gear；First shifting slide gear,
Second shifting slide gear, third shifting slide gear and the 4th shifting slide gear group integrally become prismatic pair, and the quilt on the splined shaft
The axial synchronizing moving in shift fork edge is in place；
The input shaft component matching is located at shifting slide gear component side, and the output shaft assembly matching is located at the sliding
The gear assembly other side；The shifting slide gear component under the stirring of the shift fork with the input shaft assembly and output shaft assembly
Matching connection.
2. numerically-controlled machine tool speed-changing gear box as described in claim 1, it is characterised in that: the input shaft assembly includes input
Axis, bearing of input shaft, the first input gear, the second input gear and input belt pulley；
The input shaft is horizontally placed on the box inside, and left end passes through the left side wall of the cabinet and to outside the cabinet
Side is stretched out；The left end of the input shaft is connect by the bearing of input shaft with the left side wall of the cabinet, the input shaft
Right end is connect by another bearing of input shaft with the right side wall of the cabinet；
First input gear and the second input gear Matching installation are on the input shaft；First input gear and institute
Shifting slide gear matching engagement is stated, second input gear is engaged with second shifting slide gear matching；The input belt
Wheel Matching installation passes through belt and outside in the left end to the input shaft of stretching on the outside of the cabinet, the input belt pulley
The power output end of frequency conversion main motor matches connection.
3. numerically-controlled machine tool speed-changing gear box as described in claim 1, it is characterised in that: the output shaft assembly includes output
Axis, the first output gear, the second output gear and third output gear；
The output shaft is hollow shaft structure and level is arranged in the box inside, and interior lateral edge axial direction Matching installation has revolution
Oil cylinder pull rod；The right end of the output shaft pass through the cabinet right side wall and traversing through end be equipped with common chuck connecting flange or
Oild chuck connecting flange；The left end of the output shaft passes through the left side wall of the cabinet and traversing through end is equipped with angling cylinder company
Acting flange；
First output gear and the second output gear from left to right successively Matching installation on the output shaft；Described first
Output gear is engaged with the 4th shifting slide gear matching；Second output gear is matched with the third shifting slide gear and is nibbled
It closes；The third output shaft gear Matching installation is located on axis body internal on the left of the cabinet in the left end of the output shaft.
4. numerically-controlled machine tool speed-changing gear box as claimed in claim 3, it is characterised in that: the numerically-controlled machine tool speed-changing gear box is also
It is pumped including angling cylinder and bidirectional rotator；The angling cylinder Matching installation is on the angling cylinder connecting flange；It is described double
It is arranged on the downside of the output shaft to impeller pump matching and is in the box house, power output end is equipped with encoder
Axis；Encoder axis one end is connected to the left part of the cabinet, the power of the other end and bidirectional rotator pump by bearing
Output end matching connection；Matching installation has encoder shaft gear simultaneously described by encoder shaft gear and institute on the encoder axis
State the matching engagement of third output shaft gear.
5. numerically-controlled machine tool speed-changing gear box as described in claim 1, it is characterised in that: the left end outer wall matching of the cabinet is set
It is equipped with sensor stand；There are two proximity sensors for the left and right sides Matching installation of the sensor stand；The cabinet is on a left side
Pneumatic two-position four-way solenoid valve and pneumatic triple piece are provided on the outer wall of end；Described pneumatic triple piece one end connects external pressure
Source, other end matching connect the Pneumatic two-position four-way solenoid valve.
6. numerically-controlled machine tool speed-changing gear box as claimed in claim 5, it is characterised in that: the fixed peace of two-way cylinder block level
On the inside of left end loaded on the cabinet；Its left chamber and right chamber pass through two gas-tpe fittings and the Pneumatic two-position four-way electromagnetism respectively
Two tracheaes of valve connect；When compressed air enters the two-way cylinder block left chamber by the Pneumatic two-position four-way solenoid valve
Afterwards, the left piston bar and right piston bar together synchronize move right, to realize the engagement and speed change of the shifting slide gear component
Switching.
7. numerically-controlled machine tool speed-changing gear box as described in claim 1, it is characterised in that: the left piston bar is left to the cabinet
One end that end outside is stretched out is also equipped with induction bracing strut；The induction bracing strut is moved together with the left piston bar；It is described
Induction of signal axis Matching installation is in the end of the induction bracing strut.
8. numerically-controlled machine tool speed-changing gear box as described in claim 1, it is characterised in that: the middle section of the shift fork passes through axis bullet
Property retainer ring is fixed in the shift fork axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080232.7A CN108953508B (en) | 2018-09-17 | 2018-09-17 | Gear box of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080232.7A CN108953508B (en) | 2018-09-17 | 2018-09-17 | Gear box of numerical control machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953508A true CN108953508A (en) | 2018-12-07 |
| CN108953508B CN108953508B (en) | 2024-03-15 |
Family
ID=64476874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080232.7A Active CN108953508B (en) | 2018-09-17 | 2018-09-17 | Gear box of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953508B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628365A (en) * | 2021-01-14 | 2021-04-09 | 崔志辉 | Penetration type multi-gear sequential transmission |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1121632A (en) * | 1966-01-14 | 1968-07-31 | Brown Gear Ind | A new or improved variable-speed gearbox |
| US5974907A (en) * | 1996-12-31 | 1999-11-02 | Daewoo Heavy Industries Ltd. | Machine tool transmission with an improved gear shifting device |
| CN101592211A (en) * | 2009-07-09 | 2009-12-02 | 浙江长泰机械有限公司 | Light vehicle transmission with major and minor case |
| CN102563058A (en) * | 2012-02-09 | 2012-07-11 | 上海三一精机有限公司 | Transmission and numerical-control machine tool |
| CN103644288A (en) * | 2013-11-18 | 2014-03-19 | 无锡京华重工装备制造有限公司 | Gearbox structure |
| CN204403293U (en) * | 2014-12-19 | 2015-06-17 | 山东永华机械有限公司 | The two shift fork machine tool chief axis two of single splined shaft keeps off gearbox |
| CN208734820U (en) * | 2018-09-17 | 2019-04-12 | 李宝森 | A kind of numerically-controlled machine tool speed-changing gear box |
-
2018
- 2018-09-17 CN CN201811080232.7A patent/CN108953508B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1121632A (en) * | 1966-01-14 | 1968-07-31 | Brown Gear Ind | A new or improved variable-speed gearbox |
| US5974907A (en) * | 1996-12-31 | 1999-11-02 | Daewoo Heavy Industries Ltd. | Machine tool transmission with an improved gear shifting device |
| CN101592211A (en) * | 2009-07-09 | 2009-12-02 | 浙江长泰机械有限公司 | Light vehicle transmission with major and minor case |
| CN102563058A (en) * | 2012-02-09 | 2012-07-11 | 上海三一精机有限公司 | Transmission and numerical-control machine tool |
| CN103644288A (en) * | 2013-11-18 | 2014-03-19 | 无锡京华重工装备制造有限公司 | Gearbox structure |
| CN204403293U (en) * | 2014-12-19 | 2015-06-17 | 山东永华机械有限公司 | The two shift fork machine tool chief axis two of single splined shaft keeps off gearbox |
| CN208734820U (en) * | 2018-09-17 | 2019-04-12 | 李宝森 | A kind of numerically-controlled machine tool speed-changing gear box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628365A (en) * | 2021-01-14 | 2021-04-09 | 崔志辉 | Penetration type multi-gear sequential transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108953508B (en) | 2024-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208734820U (en) | A kind of numerically-controlled machine tool speed-changing gear box | |
| CN103912677A (en) | Electric lead screw drive mechanism for automatic transmission | |
| CN108953508A (en) | A kind of numerically-controlled machine tool speed-changing gear box | |
| CN103551601A (en) | Hydraulic two-gear numerical control stepless gearbox | |
| CN102513864A (en) | Worktable gearbox for vertical lathe | |
| CN103867656B (en) | There is the variator of the double jackshaft of double clutch | |
| CN202914637U (en) | Reducer special for vacuum extruder | |
| CN203162126U (en) | Electric lead screw driving mechanism of automatic transmission | |
| CN210366837U (en) | Lifting equipment for automatic screw assembling production line | |
| CN209363361U (en) | A kind of CNC tube bending machine and its improved bend pipe head clamping unit of structure | |
| CN209792621U (en) | Electromagnetic double-clutch spindle capable of switching double reduction ratio output | |
| CN206732182U (en) | A kind of variable speed radial drill | |
| CN213332293U (en) | Screw conveyor driving gear box | |
| CN220248847U (en) | Special headstock of two-gear speed change heavy load cladding | |
| CN112571086A (en) | B-axis rotary worktable structure | |
| CN217002917U (en) | Special planetary reducer for food machinery | |
| CN201696527U (en) | Variable speed clutch | |
| CN102102711A (en) | Internal and external dual-drive rotary table bearing assembly machine | |
| Siemer et al. | Electro-hydrostatic drive concept for the ring rolling process | |
| CN208793531U (en) | A kind of high assembly precision robot speed reducer | |
| CN219673186U (en) | Double-input speed reducer capable of saving installation space | |
| CN218015031U (en) | Pipe orifice restoring machine for telescopic pipe of dust collector | |
| CN205201048U (en) | Keyway processing knife rest with two milling cutter | |
| CN204692550U (en) | A kind of milling machine transmission device | |
| CN208703034U (en) | A kind of high assembly precision robot speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |