CN208734820U - 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 PDF

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Publication number
CN208734820U
CN208734820U CN201821514457.4U CN201821514457U CN208734820U CN 208734820 U CN208734820 U CN 208734820U CN 201821514457 U CN201821514457 U CN 201821514457U CN 208734820 U CN208734820 U CN 208734820U
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China
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gear
shifting slide
cabinet
slide gear
matching
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CN201821514457.4U
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Chinese (zh)
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李宝森
李和霖
周航旭
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Abstract

The utility model relates to a kind of numerically-controlled machine tool speed-changing gear boxs comprising cabinet and be 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.The utility model high degree of automation 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

A kind of numerically-controlled machine tool speed-changing gear box
Technical field
The utility model 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 utility model proposes a kind of designs of structure, can be effective The processing efficiency of lathe is improved, 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 good social benefit.
The technical solution of the utility model 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 assembly;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 Body level is fixedly installed on the inside of the left end of the cabinet;Left piston bar one end is protruded into the left end of the two-way cylinder block Side, 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;It stretches right piston bar one end On the inside of the right end for entering the 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;Described shift fork axle one end penetrates the right end inner wall of the cabinet, and the other end matches connection with the top of the right piston bar;Institute State that shift fork is fixed in the shift fork axle and one end is connected to the rotation stop axis;The shift fork is with the right piston bar in level side To synchronizing moving;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, Two shifting slide gears, third shifting slide gear and the 4th shifting slide gear;The splined shaft is horizontally placed on the box inside;Described One shifting slide gear, the second shifting slide gear and third shifting slide gear pass sequentially through U-shaped key from left to right and are installed on the splined shaft; The left part of first shifting slide gear circumferentially radially offers sliding slot;The other end of the shift fork is left and right with the sliding slot Internal groove side wall is slidably matched;4th shifting slide gear is connected to outside the left end of second shifting slide gear;First sliding Gear, the second shifting slide gear, third shifting slide gear and the 4th shifting slide gear group integrally become prismatic pair, and in the splined shaft On by the shift fork along axial synchronizing moving in place;
The input shaft component matching is located at shifting slide gear component side, and the output shaft assembly matching is located at described The shifting slide gear component other side;The shifting slide gear component under the stirring of the shift fork with the input shaft assembly and output shaft Component 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
The design of the utility model numerically-controlled machine tool gear shift box structure is simple, reasonable, and performance is stable, failure is few, maintenance side Just, the processing efficiency of lathe can be effectively improved and guarantee machine finish, service performance is stable, reliable and cost performance is high, from Dynamicization degree is high, when current people multi-machine operation becomes trend, can be reduced machine-tool operator quantity and generates good society Benefit.
The utility model gas source is the standing 0.4-0.6Mpa compressed air in workshop, and Machine Manufacture expense and life can be greatly reduced Production expense (if selecting oil cylinder shifted, need to configure about 0.25 ten thousand yuan/platform of hydraulic station, separately there is electric power and hydraulic oil consumption, failure Rate is also more, separately has certain customers to configure hand chuck and does not need configuration hydraulic station).The utility model makes lathe become automation The high lathe of processing stage, 20-1600rpm range revolving speed is organized in numerical control program by Same Part when processing makes main shaft certainly Dynamic speed change, the large torque high metal when cutting of low roughness value when not only having met main shaft high speed meets main shaft low again remove The cutting of rate, 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), half The low lathe of the degree of automation;When former manual three gears machine tooling Same Part, main shaft is needed to stall when a wide range of speed change of main shaft, Program pause is carrying out hand shift, restarts program processing.
Detailed description of the invention
Fig. 1 is the right view of the utility model numerically-controlled machine tool speed-changing gear box;
Fig. 2 is the cross-sectional view in the direction A-A in Fig. 1 of the utility model numerically-controlled machine tool speed-changing gear box;
Fig. 3 is the cross-sectional view in the direction B-B in Fig. 1 of the utility model numerically-controlled machine tool speed-changing gear box;
Fig. 4 is partial structural diagram in Fig. 1 of the utility model numerically-controlled machine tool speed-changing gear box;
Fig. 5 is the cross-sectional view in the direction C-C in Fig. 1 of the utility model numerically-controlled machine tool speed-changing gear box;
Fig. 6 is the cross-sectional view in the direction F-F in Fig. 1 of the utility model numerically-controlled machine tool speed-changing gear box;
Fig. 7 is the left view of the utility model numerically-controlled machine tool speed-changing gear box;
Fig. 8 is the enlarged structure schematic diagram in the region D in Fig. 7 of the utility model numerically-controlled machine tool speed-changing gear box.
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 the utility model numerically-controlled machine tool speed-changing gear box, including cabinet 1, cylinder assembly 2, shift fork group Part 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.
The shift principle of the utility model:
The utility model numerically-controlled machine tool speed-changing gear box is shifted to the low gear of 20-320rpm 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 move right, and the second input gear 54 on input shaft 51 and the second shifting slide gear 43 on splined shaft 41 are real The existing first order is slowed down, and the second output gear 63 of the third shifting slide gear 44 on splined shaft 41 and output shaft 61 realizes that the second level subtracts Speed, realizes the bottom gear transmission of gear pair, and the revolving speed of 20-320rpm is pressed the numerical control journey of digital control system by external frequency conversion main motor Sequence instruction is realized.
The utility model numerically-controlled machine tool speed-changing gear box is shifted to the top gear of 320-1600rpm under digital control system instruction When position, 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 slide gear 45, which synchronizes, to be moved to the left, the first input gear 53 on input shaft 51 and the first shifting slide gear 42 on splined shaft 41 Realize 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 the second level Speed change, realizes the top gear transmission of gear pair, and the revolving speed of 320-1600rpm is pressed the number of digital control system by external frequency conversion main motor Program instruction is controlled to realize.
The design of the utility model structure is simple, rationally, can effective lathe processing efficiency, and ensure that machine tooling essence Degree, service performance is stable, reliable and cost performance is high, can generate good social benefit.

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.
CN201821514457.4U 2018-09-17 2018-09-17 A kind of numerically-controlled machine tool speed-changing gear box Withdrawn - After Issue CN208734820U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108953508A (en) * 2018-09-17 2018-12-07 李宝森 A kind of numerically-controlled machine tool speed-changing gear box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108953508A (en) * 2018-09-17 2018-12-07 李宝森 A kind of numerically-controlled machine tool speed-changing gear box
CN108953508B (en) * 2018-09-17 2024-03-15 李宝森 Gear box of numerical control machine tool

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