CN2270594Y - Table-type drilling machine and miller - Google Patents
Table-type drilling machine and miller Download PDFInfo
- Publication number
- CN2270594Y CN2270594Y CN 94213115 CN94213115U CN2270594Y CN 2270594 Y CN2270594 Y CN 2270594Y CN 94213115 CN94213115 CN 94213115 CN 94213115 U CN94213115 U CN 94213115U CN 2270594 Y CN2270594 Y CN 2270594Y
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- shaft
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Abstract
The utility model relates to a table-type milling and drilling machine which belongs to the drilling and milling machine class of metal cutting machine tools. The table-type milling and drilling machine is composed of a machine body, an upright post, a headstock and an electric system. The headstock (14) is provided with a boss 25 in which a concave rabbet 47 is arranged. A rising and falling body 18 is provided with a boss 24 in which a-shaped circular ring groove 42 is arranged. The middle part of the boss 24 is provided with a convex rabbet 46 which is radially positioned with the concave rabbet 47 and axially positioned with a circular ring face 43, fastening by a T-shaped bolt 44 and a nut 45. The rising and falling body 18 is penetrated at the upright post 11. The headstock can rotate from 0 DEG to 360 DEG correspondingly to the rising and falling body, and the rising and falling body can rotate from 0 DEG to 360 DEG correspondingly to the headstock. The utility model has the functions of drilling and milling, has high precision and long service life, is used for drilling straight and inclined holes, milling vertical, inclined and circular arc faces, and straight and circular arc grooves, and is used for medium-sized and small-sized factories and repair stations.
Description
This desk-top drilling and milling machine belongs to brill, the milling machine class of Metal Cutting Machine Tool.
The bench drill that prior art provided generally adopts belt transmission, the cone pulley speed change, and main spindle box can only move along column is upper and lower, and its weak point has: transmission is not steady; Machining accuracy is low; Can only finish general boring processing.
The object of the present invention is to provide a kind of existing above-mentioned weak point of bench drill that overcomes, have brill, mill function, running is steady, the desk-top drilling and milling machine that machining accuracy is high.
The technical solution of this desk-top drilling and milling machine is to adopt thick rectangle lathe base, establishes table base above it, vertically places rectangular table, makes workbench do laterally, vertically move with leading screw, screw between them.Post is set up at the lathe base rear portion, install the rectangular box-shaped lifting body on it, can rotate a circle around vertical shaft, the lifting physical efficiency moves along column is upper and lower, many axles of parallel installation and main shaft in the rectangle main shaft casing, by the gear train on the axle, make main axis rotation, main spindle box body side surface and lifting body broad side surface utilize cylindrical seam location, T shape annular groove, tommyhead bolt is fastening, can make that main spindle box is relative with lifting body to rotate a circle.
Accompanying drawing 1. is desk-top drilling and milling machine axle side schematic diagrames, Fig. 2. be the transmission schematic diagram, and Fig. 3. lifting body and uprights dress figure, Fig. 4. be the three-phase electrical systematic drawing, Fig. 5. be single-phase electrical systematic drawing.
Below in conjunction with drawings and Examples the utility model is described in detail as follows: this bench drilling mills Bed is shown in Fig. 1 .2.3, and it has lathe bed, column, lifting main spindle box and electrical system four big Part forms. Lathe bed is shown in Fig. 1 .2, by thick rectangle lathe base 1. Have above it Laterally dovetail guide is placed rectangular table base 3, establishes vertical dovetail above the table base Guide rail is vertically placed rectangular table 7, uses between them to be fixed on the table base 3 Nut 38,39, respectively be fixed on workbench 7, leading screw 37,40 screw threads in the lathe base 1 Connect, leading screw 37 2 ends are fixed on the workbench 7 with bearing, and vertical handwheel 5, leading screw are equipped with in the termination 40 usefulness bearings are fixed on the lathe base, and the termination fills horizontal handwheel 2, and establish the positive side of workbench 7 Longitudinal ruler 6 is established link stopper 21 in the groove, establish set lever 4 between table base 3 and the workbench 7, Lathe base Rear bolts fixedly taper type upright post base 8 consists of; The lifting main spindle box is by rectangular Box-shaped main spindle box 14, vertical direction be arranged in parallel driving shaft I, jackshaft II, III, master in the case Axle IV, the upper termination motor 15 of driving shaft I, the bottom cunning fills three balladeur trains 27, jackshaft II The bottom dress is triple gear 29 fixedly, and slip dual gear 28 is arranged at top, and jackshaft III fixes on top Installing dual gear 30, main shaft IV is loaded in the main spindle box with bearing, axle top dress fixed gear 31, The sleeve that tooth bar 32 is arranged outward, termination are brill, milling head, and three balladeur trains 27 can be respectively with three Gear 20, bigeminy balladeur train 28 can mesh with dual gear 30 respectively, gear 30 and 31 engagements, Consist of the main transmission train, main spindle box right side level is established gear shaft V, its end gear 33 and main shaft 32 engagements of sleeve tooth bar, the sliding dress of gear shaft V worm gear 34, spline dress zygote 36, axle head is fixedly mounted with soon Advance handle 10, knot and sub-end have external tooth to mesh the level of gear shaft V with worm gear 34 internal tooths Vertically establish worm screw 35 and worm gear 34 engagements in the face, the end fills little handwheel 12 that advances, main spindle box 14 fronts If scale of depth 13 and stir the speed change gear of three balladeur trains 27 and bigeminy balladeur train 28 Handle, left upper portion are established positive and negative, power failure air cock 17 is such as Fig. 3. shown in, main spindle box 14 rear sides Face has cylindrical boss 25, in circular recessed seam 47 is arranged, rectangular box-shaped lifting body 18, there is circle the front Establish circumference graduation chi 48 on cylindrical end tangs 24 peripheries, in T shape annular groove 42 is arranged, there is cylinder at the middle part Shape male half coupling 46, with recessed seam 47 radial locations, axial circular loop contacts face 43 location are with being embedded in T Tommyhead bolt 44 in the shape groove 42 passes the main shaft tank wall, and is fastening with nut 45, lifting body 18 left sides Gear shaft 49 is set on the casing, and end dress handle 19 is on other end helical gear 23 and the vertical axis 50 Helical teeth worm gear 22 engagement, the casing upper left corner has bolt to install cylindrical sleeve, the bullet on band inclined-plane, end The retaining mechanism 16 that the round nut on spring and band inclined-plane, end forms consists of; Cylindrical column 11 Insert in the upright post base 8, parallel placement helical rack 20 on the external cylindrical surface, the two ends angle places In upper and lower guide ring 26,9 the angle 41, lifting body 18 is installed on the column 11, the helical teeth worm gear 22 with helical rack 20 engagement; Three-phase, single-phase electrical system respectively shown in Fig. 4 .5., by just, Instead, parking universal seclector 17, motor 15 and circuit consist of, and power line are connected on omnipotent On change-over switch (1), (5), (9) three contacts, the motor three-phase connects respectively (2), (6), (10), (4), (8), on (12) six contacts, single-phase electrical system is such as Fig. 5. shown in, power line one contact that joins (1), (3) connect (5), (7), (9), (11) through motor coil, another contact that joins (10), (12), Contact (2), (8) connect motor coil one end simultaneously, and another termination capacitor C meets (4), (6) contact institute again Form.
Use and the adjustment of this desk-top drilling and milling machine:
1. main axis transmission system (see figure 2)
Motor 15 connects with final drive shaft I end, makes an I rotation.Three balladeur trains 27 on axle I make itself and jackshaft II go up 29 engagements of fixing triple gear, thereby make the II axle obtain three kinds of different rotating speeds by gear change hand lever shift fork handsetting gear 27.Bigeminy fixed gear 30 engagements on the bigeminy balladeur train on the axle II 28 and jackshaft III, and gear 30 simultaneously with main shaft IV on gear 31 engagements, by two gear change hand levers handsetting gears 27,28 respectively, make main shaft obtain 6 kinds of different rotating speeds.
2. workbench laterally moves
Shake handwheel 2, leading screw 40 rotations, by nut 39, push work platform base 3 laterally moves with workbench 7.
3. workbench vertically moves
Shake handwheel 5, leading screw 37 rotations, by hold-down nut 38, leading screw 37 drives workbench and vertically moves.
4. the upper and lower of main shaft moved
The internal tooth of external tooth on the zygote 36 and worm gear 34 is thrown off, and move handle 10 gear shaft V and rotate, gear 33 on the gear shaft and 32 engagements of the tooth bar on the rack sleeve, thus make rack sleeve together with upper and lower moving of main shaft, carry out coarse feed;
Internal tooth engagement on external tooth on the zygote 36 and the worm gear 34, rotate handwheel 12, make worm screw 35 rotations, worm screw 35 drives worm gear 34 rotations, worm gear 34 is by zygote 36 driven gear axle V rotation, gear shaft V drive rack sleeve together with upper and lower mobile implementation of main shaft progress greatly to;
5. the lifting body main spindle box is upper and lower moves and rotates
Unclamp the bolt of retaining mechanism 16, cylindrical sleeve, cylindrical nut leave the face of cylinder of column 11 under the effect of spring, shaking handle 19 rotates worm screw 23, drive helical gear 22 and rotate, because helical rack 20 is motionless, helical gear 22 just drives lifting body along column 11 upper and lower moving; Rotate lifting body, lifting body drives helical rack 20 and can rotate arbitrarily angledly to 360 ° around column 11, and helical rack 20 two ends can play in upper and lower guide ring inclined plane ring 41 grooves, when lifting or when turning to desired location retaining mechanism 16 is tightened;
6. main spindle box rotates relative to lifting body
Unclamp the nut 45 of tommyhead bolt 44, the cylindrical boss 25,24 of main spindle box and lifting body is by inner convex-concave seam and anchor ring 43 location, and tommyhead bolt is held, and the rotating spindle case makes it relative lifting body and is transferred to and arbitrarily angledly tightens the tommyhead bolt nut to 360 °;
7. 17 fens third gear of universal seclector are just changeed, stop, being reversed, and change-over switch is placed when stopping, connect power supply, when change-over switch when positive transposition is put, switch contact (1)-(2) then, (5)-(6), (9)-(10) are connected, when change-over switch during at backward position, switch contact (3)-(4) then, (7)-(8), (11)-(12) are connected, motor is selected three-phase 380V for use, 50Hz, three-phase 380V, 60Hz, single-phase 220V, 50Hz.
This desk-top drilling and milling machine has following characteristics:
1. novel structure, the machine tool accuracy height, stable working, life-span be long, have brill, two kinds of functions of milling machine, and processing such as the plurality of optional annex can bore, mills, boring, saw, hinge, tapping are arranged;
2. adopt the gear train transmission, the machining accuracy height, rotational noise is low, can horizontally rotate 360 ° of main spindle boxes, and 360 ° on vertical plane inward turning alternation of hosts axle box is widened usage space;
3. the machine power coupling rationally can be selected three-phase 380V, 50Hz for use, three-phase 220V, 60Hz, and single-phase 220V, 50Hz, velocity interval is wide, the various ways of finding processing in being applicable to;
4. machine operation handle rational and compact, the gear change hand lever of the startup of main shaft, stop, reversing electrical equipment knob and main shaft is located at the front of lathe, and is easy to operate, and about workbench and front is equipped with handwheel and all can be operated easily, and is safe and reliable;
5. the adjustment of machine tool component is moved as the upper and lower of main spindle box, and the rotation in horizontal plane, vertical guide is very reliably convenient, and can guarantee the rigidity and the precision of complete machine well;
6. machine tool chief axis sleeve upper and lower moves forward into to dividing thick, carefully two kinds, and both conversion are convenient, and feeding numerical value is all clear to be shown;
7. two adjustable vertical stroke dogs 21 back and forth can saved time in the processing, and set lever 4 can one be locked workbench motionless at X and Y direction;
This desk-top drilling and milling machine is the wider lathe of a kind of scope of application, can carry out various middle-size and small-size the machineries processing and the repair of parts in addition.From equipment domestic factory, laboratory, all kinds of machine overhaul stand, to as with car, with the remedial installation of ship and in a large number the enterprise of manufacturing machine products be elected to be production equipment, all be very suitable.
This lathe has drilling machine, end mill, the milling machine function that crouches, and can finish and bore straight hole, inclined hole; Mill horizontal plane, vertical guide, inclined-plane, arc surface; Milling straight flute, arc groove; Processing such as mill teeth wheel, die sinking, tapping, bore hole, fraising, sawing are equipped with the function that proper implements can further enlarge lathe.
Embodiment: ZX-2B type drilling and milling machine
Maximum drilling diameter: steel 28mm, cast iron 35mm
Maximum milling ability: plane 7mm, groove 28mm
Maximum boring diameter: 80mm
Maximum tapping ability: steel M14mm, cast iron M16mm
The alignment of shafts is to the distance of riser bus bar: 285mm
Main shaft is range: 70mm up and down
Main spindle box moves up and down range: 345m
The main shaft end face is to work top distance: 15-360mm
Workbench work area: maximum vertically stroke: the 450mm of 730 * 210mm workbench
Workbench maximum transversal stroke: 250mm lathe base area: 400 * 680mm
Column diameter: ∮ 102mm spindle taper hole: No. 3, MT3 Mohs
Main shaft speed change progression: 6
Spindle revolutions: (50Hz) 80,150,270,530,920,1650r/min
(60Hz)95、180、320、635、1100、2000r/min
The axis feeding amount: thick 21mm/ changes smart 0.8m/ favourable turn bed power supply, power of motor, rotating speed:
Three-phase 380V 50Hz
Three-phase 220V 60Hz
Two-phase 220V 50Hz
0.75Kw (IPS) 1410 rev/mins of machine overall dimensions: 872 * 1080 * 1230mm lathe weight: the 295kg main spindle box rotates the number of degrees in horizontal plane, vertical guide: 360 °
Claims (2)
1, desk-top drilling and milling machine, it has lathe bed, column, lifting main spindle box and electrical system four most of compositions, lathe bed is by thick rectangle lathe base 1, horizontal dovetail guide is arranged above it, place rectangular table base 3, establish vertical dovetail guide above the table base, vertically place rectangular table 7, use the nut 38 that is fixed on the table base 3 between them, 39, respectively be fixed on workbench 7, leading screw 37 in the lathe base 1,40 are threaded, leading screw 37 2 ends use bearing fixing on workbench 7, vertical handwheel 5 is equipped with in the termination, leading screw 40 usefulness bearing fixing are on lathe base, horizontal handwheel 2 is adorned in the termination, vertical ruler 6 is established in the positive side of workbench 7, establish link stopper 21 in the groove, establish set lever 4 between table base 3 and the workbench 7, lathe base Rear bolts fixedly taper type column base 8 constitutes, main shaft IV is loaded in the main spindle box 14 with bearing, axle top dress fixed gear 31, the sleeve that tooth bar 32 is arranged outward, the termination is to bore, milling head, main spindle box right side level is established gear shaft V, its end gear 33 and 32 engagements of rack sleeve tooth bar, the sliding dress of gear shaft V worm gear 34, spline dress zygote 36, axle head installs F.F. handle 10, knot and sub-end have external tooth to mesh with worm gear 34 internal tooths, vertically establish worm screw 35 and worm gear 34 engagements in the horizontal plane of gear shaft V, little handwheel 12 that advances is adorned in the end, main spindle box 14 fronts are established scale of depth 13 and are stirred the speed change gear handle of three balladeur trains 27 and bigeminy balladeur train 28, left upper portion is just established, instead, power failure air cock 17, on the lifting body 18 left side casings gear shaft 49 is set, end dress handle 19, helical teeth worm gear 22 engagements on other end helical gear 23 and the vertical axis 50, the casing upper left corner has bolt to install the cylindrical sleeve on band inclined-plane, end, the retaining mechanism 16 that the round nut on spring and band inclined-plane, end is formed constitutes, three-phase, single-phase electrical system is respectively by just, instead, parking universal seclector 17, motor 15 and circuit constitute, power line is connected on universal seclector (1), (5), (9) three are touched, the motor three-phase connects (2) respectively, (6), (10), (4), (8), on (12) six contacts, single-phase electric system power supply line one contact (1) that joins, (3) connect (5) through motor coil, (7), (9), (11), another contact that joins (10), (12), contact (2), (8) connect motor coil one end simultaneously, another termination capacitor C, connect (4) again, (6) contact is formed, it is characterized in that rectangular box-shaped main spindle box 14 trailing flanks have cylindrical boss 25, in circular recessed seam 47 is arranged, rectangular box-shaped lifting body 18, the front has T shape annular groove 42 is arranged in the cylindrical boss 24, there is circular cylindrical projection seam 46 at the middle part, with recessed seam 47 radial locations, axially annulus contact-making surface 43 is located, with the tommyhead bolt 44 that is embedded in the T-slot 42, pass the main shaft tank wall, fastening with nut 45, cylindrical column 11 inserts in the column base 8, parallel placement helical rack 20 on the external cylindrical surface, lifting body 18 is installed on the column 11, helical teeth worm gear 22 and helical rack 20 engagements.
2, by the said desk-top drilling and milling machine of claim 1, it is characterized in that in the said main spindle box 14 the vertical direction driving shaft I that be arranged in parallel, jackshaft II, III, main shaft IV, driving shaft I goes up termination motor 15, the bottom cunning is adorned three movable pulleies 27, jackshaft II bottom dress is triple gear 29 fixedly, slip dual gear 28 is arranged at top, the fixing installing in jackshaft III top dual gear 30, driving shaft IV is loaded in the main spindle box with bearing, axle top fixed gear 31, three balladeur trains 27 can be respectively and triple gear 29, and bigeminy balladeur train 28 can be respectively and dual gear 30 engagements, gear 30 and 31 engagement formation main transmission trains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94213115 CN2270594Y (en) | 1994-05-27 | 1994-05-27 | Table-type drilling machine and miller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94213115 CN2270594Y (en) | 1994-05-27 | 1994-05-27 | Table-type drilling machine and miller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2270594Y true CN2270594Y (en) | 1997-12-17 |
Family
ID=33829759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94213115 Expired - Fee Related CN2270594Y (en) | 1994-05-27 | 1994-05-27 | Table-type drilling machine and miller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2270594Y (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001013A (en) * | 2010-10-22 | 2011-04-06 | 大连华根机械有限公司 | Gear spindle structure for horizontal type machining center |
| CN102069370A (en) * | 2011-01-07 | 2011-05-25 | 宁波安信数控技术有限公司 | Method for processing steel wire groove and fixed hole of rolling linear guide rail |
| CN102343556A (en) * | 2011-09-30 | 2012-02-08 | 陈守强 | Cutting edge passivation method and device for carbide tool blades |
| CN103317345A (en) * | 2013-06-09 | 2013-09-25 | 成都蜀昆机械有限公司 | Multifunctional composite numerical control machine tool |
| CN103433522A (en) * | 2013-08-27 | 2013-12-11 | 武汉奋进机电有限公司 | Steel plate spring automatic drilling equipment and automatic drilling method |
| CN104084618A (en) * | 2014-07-21 | 2014-10-08 | 张家港保税区金品化工机械设备有限公司 | Drilling device of water collection supporting plate in oil field produced water filter |
| CN104511780A (en) * | 2014-12-19 | 2015-04-15 | 谢立棚 | High-precision power milling head with transmission self-locking function |
| CN104588725A (en) * | 2015-01-12 | 2015-05-06 | 王瑞方 | Linear type multiple row horizontal-type-like double-face machining multiple spindles drilling machine |
| CN105127469A (en) * | 2015-09-22 | 2015-12-09 | 南充泰鹏机械有限公司 | Multi-station combination drilling machine |
| CN105522320A (en) * | 2016-03-03 | 2016-04-27 | 合肥国轩高科动力能源有限公司 | Welding assisting device for lithium battery pack |
| CN106141695A (en) * | 2015-03-24 | 2016-11-23 | 安徽鸿远机电科技有限公司 | A kind of drilling and milling machine base worktable portion dress |
| CN108672744A (en) * | 2018-08-15 | 2018-10-19 | 蚌埠市鸿鹄精工机械有限公司 | A kind of drilling machine for capableing of mobile working platform |
| CN108907289A (en) * | 2018-10-12 | 2018-11-30 | 郝昆阳 | A kind of drilling machine |
| CN110788398A (en) * | 2019-11-27 | 2020-02-14 | 国网河南省电力公司南阳供电公司 | Position-adjustable electric saw mounting seat |
| CN112743135A (en) * | 2020-12-29 | 2021-05-04 | 广州市宇博纸品有限公司 | Milling flutes device for intelligent manufacturing device of industrial production steel |
| CN116394004A (en) * | 2023-04-24 | 2023-07-07 | 中国长江电力股份有限公司 | On-site processing machine for seat ring screw hole of hydroelectric generating set and operation method |
| CN117206913A (en) * | 2023-10-30 | 2023-12-12 | 上海惠深工具科技有限公司 | Outer rotor motor direct-drive type milling and drilling machine |
-
1994
- 1994-05-27 CN CN 94213115 patent/CN2270594Y/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001013A (en) * | 2010-10-22 | 2011-04-06 | 大连华根机械有限公司 | Gear spindle structure for horizontal type machining center |
| CN102001013B (en) * | 2010-10-22 | 2013-06-05 | 大连华根机械有限公司 | Gear spindle structure for horizontal type machining center |
| CN102069370A (en) * | 2011-01-07 | 2011-05-25 | 宁波安信数控技术有限公司 | Method for processing steel wire groove and fixed hole of rolling linear guide rail |
| CN102069370B (en) * | 2011-01-07 | 2012-09-05 | 宁波安信数控技术有限公司 | Method for processing steel wire groove and fixed hole of rolling linear guide rail |
| CN102343556A (en) * | 2011-09-30 | 2012-02-08 | 陈守强 | Cutting edge passivation method and device for carbide tool blades |
| CN103317345A (en) * | 2013-06-09 | 2013-09-25 | 成都蜀昆机械有限公司 | Multifunctional composite numerical control machine tool |
| CN103433522B (en) * | 2013-08-27 | 2015-07-15 | 武汉奋进机电有限公司 | Steel plate spring automatic drilling equipment and automatic drilling method |
| CN103433522A (en) * | 2013-08-27 | 2013-12-11 | 武汉奋进机电有限公司 | Steel plate spring automatic drilling equipment and automatic drilling method |
| CN104084618A (en) * | 2014-07-21 | 2014-10-08 | 张家港保税区金品化工机械设备有限公司 | Drilling device of water collection supporting plate in oil field produced water filter |
| CN104084618B (en) * | 2014-07-21 | 2017-05-31 | 张家港保税区金品化工机械设备有限公司 | The drilling equipment of supporting plate of being catchmented in oil field produced water filter |
| CN104511780A (en) * | 2014-12-19 | 2015-04-15 | 谢立棚 | High-precision power milling head with transmission self-locking function |
| CN104511780B (en) * | 2014-12-19 | 2017-02-01 | 谢立棚 | High-precision power milling head with transmission self-locking function |
| CN104588725B (en) * | 2015-01-12 | 2017-02-22 | 王瑞方 | Linear type multiple row horizontal-type-like double-face machining multiple spindles drilling machine |
| CN104588725A (en) * | 2015-01-12 | 2015-05-06 | 王瑞方 | Linear type multiple row horizontal-type-like double-face machining multiple spindles drilling machine |
| CN106141695A (en) * | 2015-03-24 | 2016-11-23 | 安徽鸿远机电科技有限公司 | A kind of drilling and milling machine base worktable portion dress |
| CN105127469A (en) * | 2015-09-22 | 2015-12-09 | 南充泰鹏机械有限公司 | Multi-station combination drilling machine |
| CN105522320A (en) * | 2016-03-03 | 2016-04-27 | 合肥国轩高科动力能源有限公司 | Welding assisting device for lithium battery pack |
| CN108672744A (en) * | 2018-08-15 | 2018-10-19 | 蚌埠市鸿鹄精工机械有限公司 | A kind of drilling machine for capableing of mobile working platform |
| CN108907289A (en) * | 2018-10-12 | 2018-11-30 | 郝昆阳 | A kind of drilling machine |
| CN110788398A (en) * | 2019-11-27 | 2020-02-14 | 国网河南省电力公司南阳供电公司 | Position-adjustable electric saw mounting seat |
| CN112743135A (en) * | 2020-12-29 | 2021-05-04 | 广州市宇博纸品有限公司 | Milling flutes device for intelligent manufacturing device of industrial production steel |
| CN116394004A (en) * | 2023-04-24 | 2023-07-07 | 中国长江电力股份有限公司 | On-site processing machine for seat ring screw hole of hydroelectric generating set and operation method |
| CN117206913A (en) * | 2023-10-30 | 2023-12-12 | 上海惠深工具科技有限公司 | Outer rotor motor direct-drive type milling and drilling machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |