CN103192117B - Double-shaft deep-hole drilling machine special for engineering mechanical brake clamp oilholes - Google Patents
Double-shaft deep-hole drilling machine special for engineering mechanical brake clamp oilholes Download PDFInfo
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- CN103192117B CN103192117B CN201310139205.3A CN201310139205A CN103192117B CN 103192117 B CN103192117 B CN 103192117B CN 201310139205 A CN201310139205 A CN 201310139205A CN 103192117 B CN103192117 B CN 103192117B
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Abstract
The invention discloses a double-shaft deep-hole drilling machine special for engineering mechanical brake clamp oilholes, and relates to a machine tool for machining. The double-shaft deep-hole drilling machine comprises a machine body, a spindle case, a main motor, a spindle I, a spindle II, a feeding servo motor, a reducer and feeding drive shafts. The spindle case is connected on the upper side of one end of the machine body, the spindle I and the spindle II penetrate through the spindle case in parallel, the spindle I and the spindle II are driven by the main motor through a belt and a tensioning wheel to axially rotate, the tensioning wheel is arranged between the spindle I and the spindle II outside the spindle case, the feeding drive shafts are vertically arranged on the lower sides of the spindle I and the spindle II in the spindle case, the feeding servo motor transmits power energy to the reducer through a chain I, and the reducer then transmits power energy to the feeding drive shafts through a chain II; and spindle pistons are respectively sleeved outside the spindle I and the spindle II, a row of racks are arranged at the bottom ends of the spindle pistons, gears meshed with the racks on the spindle pistons are arranged on the feeding drive shafts, and the gears are meshed with the spindle pistons to simultaneously drive the spindle I and the spindle II to move in a feeding direction when the feeding drive shafts rotate.
Description
Technical field
The present invention relates to a kind of lathe of machining, particularly a kind of drilling machine for deep hole processing.
Background technology
Engineering machinery brake clamp be typically provided with two Φ 6, dark 160 oilhole, at present, produce this engineering machinery brake clamp producer process this two oilholes time, use be all this common apparatus of radial drilling machine.Use radial drilling machine to carry out adding man-hour, usual pressing plate clamping workpiece on the table, utilizes bushing plate to ensure the positional precision of deep hole, by workman's hand feed, ensures hole depth.Because the diameter in these two holes is smaller, the degree of depth is comparatively dark, and needs the inclined hole processed with 4 preceding processes to pass through mutually.In order to ensure the precision of cutting wear and hole, during operative, usually first using stub drill, hole drill to inclined hole place, inclined hole being drilled, then change long drill bit hole drill to the requirement of size.In this process, in order to chip removal and cooling, workman often manually must will exit drill bit by feeding about 6mm, and carry out " falling to consider to be worth doing ", labour intensity is large.Due to the restriction of equipment, each feed can only process a hole, and process a hole, must adjust the orientation of drill bit, reprocess another hole, production efficiency is lower.At present, radial drilling machine is utilized to be approximately 4/hour to process this operation production capacity.This processing method, needs the common apparatus taking price comparison costliness, and an operator can only operate a machine tool, adds man-hour, and clamping difficulty, labour intensity is large, and cutting wear is low, and production efficiency is low, and production cost is high.
Summary of the invention
The object of this invention is to provide a kind ofly can effectively reduce labour intensity, the special twin shaft deep hole drilling machine of the engineering machinery of production cost of increasing work efficiency, reduce brake clamp oilhole.
The technical scheme that the present invention adopts for achieving the above object is: the special twin shaft deep hole drilling machine of a kind of engineering machinery brake clamp oilhole, this drilling machine comprises lathe bed, main spindle box, main motor, main shaft I, main shaft II, feed servo motor, decelerator, feeding power transmission shaft, main spindle box is connected to the upside of lathe bed one end, main shaft I, what main shaft II was parallel to each other is applied in main spindle box, and main shaft I, main shaft II is outstanding main spindle box opposite end surface respectively, main motor is by belt and be arranged on outside main spindle box and be positioned at main shaft I, regulating wheel between main shaft II drives main shaft I and main shaft II in axial rotation, feeding power transmission shaft to be arranged in main spindle box and to be positioned at the downside of main shaft I and main shaft II, main shaft I and main shaft II are mutually vertical with feeding power transmission shaft respectively, the output of feed servo motor is connected with chain wheel I, the input of decelerator is connected with chain wheel II, the output of decelerator is connected with sprocket wheel III, on feeding power transmission shaft, cover has sprocket wheel IV, feed servo motor is by being connected to chain I in chain wheel I and chain wheel II by power transmission to decelerator, decelerator is again by being connected to chain II on sprocket wheel III and sprocket wheel IV by power transmission to feeding power transmission shaft, main shaft I and the outer cover respectively of main shaft II have main shaft piston, outside main shaft piston one end, cover has main shaft cylinder sleeve, main shaft cylinder sleeve is fixedly connected on main spindle box, the bearing I of supports main shaft I and main shaft II is respectively equipped with inside main shaft piston two ends, the bottom of main shaft piston is provided with a tooth-arranging strip, feeding power transmission shaft is provided with the gear be meshed with the tooth bar of main shaft piston bottom end, when chain II is with movable sprocket IV to rotate, the gear of feeding power transmission shaft drives main shaft I and main shaft II to move in direction of feed by being meshed with the tooth bar of main shaft piston simultaneously.
Further technical scheme of the present invention is: described feeding power transmission shaft is provided with clutch by medium position, this clutch is circumference gear clutch, the half-clutch device of external tooth that the tooth-like clutch pack of circumference is drawn together the half-clutch device of internal tooth and docked with the half-clutch device of internal tooth, described sprocket wheel IV to be enclosed within feeding power transmission shaft and to be fixedly connected with the end face outside of the half-clutch device of internal tooth.
Described feeding power transmission shaft rear end cover has end face gear clutch, the tooth-like half-clutch device of end face outside being positioned at is connected with the turning handle of rotatable feeding power transmission shaft.
Described main shaft cylinder sleeve is enclosed within the front end of main shaft piston, and main shaft cylinder sleeve front end is provided with the flange of outstanding main spindle box front end outer wall, is fixedly connected on the outer wall of main spindle box front end by the flange of main shaft cylinder sleeve by screw.
Described main spindle box rear end outer wall is respectively equipped with the belt shaft bearing be enclosed within outside main shaft I and main shaft II, and in belt shaft bearing, cover has oil sealing cover, oil sealing, belt wheel, main shaft end cap successively from the inside to the outside, between belt wheel and belt shaft bearing, be also provided with bearing II.
The lathe bed of described main spindle box front end is provided with the frock clamp of holding workpiece, this frock clamp comprises the L shape supporting seat be fixedly connected with lathe bed, parallel two studdles be connected on the upside of L shape supporting seat, on studdle outside L shape supporting seat, cover has rigidity positioning sleeve and nylon positioning sleeve respectively, rigidity positioning sleeve leans against on the outside side wall of L shape supporting seat, nylon positioning sleeve then leans against the outside of rigidity positioning sleeve, the clamping platen of workpiece pressing is provided with outside nylon positioning sleeve, the locking nut coordinated with two studdle outside end to lock clamping platen is respectively equipped with outside clamping platen.
The drill bushing corresponding with two studdle positions is respectively equipped with on the upside of two studdle installation sites of described L shape supporting seat, top and two corresponding sections, drill bushing position of L shape supporting seat are respectively equipped with the cooling fluid pod apertures connected with drill bushing, are connected with cooling water nozzle on the upside of cooling fluid pod apertures.
Engineering machinery brake clamp oilhole of the present invention special twin shaft deep hole drilling machine has following beneficial effect: the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole of the present invention owing to being respectively equipped with two main shafts be parallel to each other I in main spindle box, main shaft II, article two, main shaft can connect drill bit respectively, drive main shaft I by main motor simultaneously, main shaft II is in axial rotation, feed servo motor drives main shaft I by feeding power transmission shaft simultaneously, main shaft II moves in direction of feed, therefore the present invention can process two oilholes of brake clamp simultaneously, auxiliary supporting frock clamp also can clamping workpiece fast, through facts have proved, adopt drilling machine process engineering mechanical brake clamp oilhole of the present invention, the clamping time of the single-piece workpiece of this drilling machine is only 5 seconds, be only about 1/6 of original clamping method, the production capacity of more than 12/minute can be reached, single machine production efficiency is more than 3 times of former processing method, invention drilling machine can realize automatic working cycles simultaneously, each operative employee can operate the same category of device of more than 5 simultaneously, reach at least everyone production capacity of 60/hour, production efficiency improves more than 15 times, and tool life improves 2 times, therefore compared with prior art can effectively reduce labour intensity, increase work efficiency, reduce production cost.
Below in conjunction with drawings and Examples, the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole of the present invention is further described.
Accompanying drawing explanation
Fig. 1 is the structural representation after the special twin shaft deep hole drilling machine of engineering machinery of the present invention brake clamp oilhole removes feeding power transmission shaft and regulating wheel;
Fig. 2 is the structural representation after the special twin shaft deep hole drilling machine of engineering machinery of the present invention brake clamp oilhole removes main shaft I, main shaft II and frock clamp;
Fig. 3 is the A-A direction sectional view of Fig. 1;
Fig. 4 is engineering machinery of the present invention brake clamp oilhole special twin shaft deep hole drilling machine main motion transmission principle sketch;
Fig. 5 is that transmission principle sketch is moved in the feeding of engineering machinery of the present invention brake clamp oilhole special twin shaft deep hole drilling machine.
Element numbers illustrates: 1-main shaft I, 1'-main shaft II, 2-main shaft end cap, 3-bearing II, 4-belt wheel, 5-oil sealing, 6-oil sealing cover, 7-belt shaft bearing, 8-bearing I, 9-bearing removal ring, 10-tooth bar, 11-main spindle box, 12-main shaft piston, 13-main shaft cylinder sleeve, 14-screw, 15-flange, 16-chain II, 17-chain I, 18-decelerator, 19-belt, 20-main motor, 21-lathe bed, 22-L shape supporting seat, 23-nylon positioning sleeve, 24-studdle, 25-locking nut, 26-clamping platen, 27-cooling fluid pod apertures, 28-cooling water nozzle, 29-drill bushing, 30-rigidity positioning sleeve, 31-shift fork operating grip, 32-circumference gear clutch, the half-clutch device of 321-internal tooth, the half-clutch device of 322-external tooth, 33-end face gear clutch, 34-turning handle, 35-feed servo motor, 36-feeding power transmission shaft, 37-gear, 38-sprocket wheel IV, 39-regulating wheel, the output shaft of 40-main motor, 41-chain wheel I, 42-chain wheel II, 43-sprocket wheel III.
Detailed description of the invention
As shown in Figures 1 to 5, the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole of the present invention, this drilling machine comprises lathe bed 21, main spindle box 11, main motor 20, main shaft I 1, main shaft II 1 ', feed servo motor 35, decelerator 18, feeding power transmission shaft 36, main spindle box 11 is connected to the upside of lathe bed 21 one end, main shaft I 1, main shaft II 1 ' be parallel to each other be applied in main spindle box 11, and main shaft I 1, main shaft II 1 ' give prominence to main spindle box 11 opposite end surface respectively, main motor 20 is by belt 19 and be arranged on outside main spindle box 11 and be positioned at main shaft I 1, main shaft II 1 ' between regulating wheel 39 drive main shaft I 1 and main shaft II 1 ' is in axial rotation, figure is shown in Figure 4 for main motion transmission principle, regulating wheel 39 is arranged on the lateral wall of main spindle box 11 rear end.Feeding power transmission shaft 36 to be arranged in main spindle box 11 and to be positioned at main shaft I 1 and main shaft II 1 ' downside, main shaft I 1 and main shaft II 1 ' mutually vertical with feeding power transmission shaft 36 respectively, the output of feed servo motor 35 is connected with chain wheel I 41, the input of decelerator 18 is connected with chain wheel II 42, the output of decelerator 18 is connected with sprocket wheel III 43, on feeding power transmission shaft 36, cover has sprocket wheel IV 38, feed servo motor 35 is by being connected to chain I 17 in chain wheel I 41 and chain wheel II 42 by power transmission to decelerator 18, decelerator 18 is again by being connected to chain II 16 on sprocket wheel III 43 and sprocket wheel IV 38 by power transmission to feeding power transmission shaft 36, main shaft I 1 and main shaft II 1 ' cover has main shaft piston 12 respectively outward, outside main shaft piston 12 one end, cover has main shaft cylinder sleeve 13, main shaft cylinder sleeve 13 is fixedly connected on main spindle box 11.Described main shaft cylinder sleeve 13 is enclosed within the front end of main shaft piston 12 in the present embodiment, and main shaft cylinder sleeve 13 front end is provided with the flange 15 of outstanding main spindle box 11 front end outer wall, is fixedly connected on the outer wall of main spindle box 11 front end by the flange 15 of main shaft cylinder sleeve 13 by screw 14.Inside main shaft piston 12 two ends, be respectively equipped with supports main shaft I 1 and main shaft II 1 ' bearing I 8, overlap respectively in the inner side of bearing I 8 and have bearing removal ring 9, the bottom of main shaft piston 12 is provided with a tooth-arranging strip 10, corresponding tooth-arranging strip 10 position of main shaft cylinder sleeve 13 is provided with gap, and main shaft piston 12 bottom tooth bar 10 is exposed at outside main shaft cylinder sleeve 13.Feeding power transmission shaft 36 is provided with the gear 37 be meshed with the tooth bar 10 of main shaft piston 12 bottom, gear 37 is separately positioned on the two ends of feeding power transmission shaft 36, when chain II 16 is with movable sprocket IV 38 to rotate, the gear 37 of feeding power transmission shaft 36 is by being meshed with the tooth bar 10 of two main shafts (main shaft I 1 and main shaft II 1 ') main shaft piston 12 outward and driving main shaft I 1 and main shaft II 1 simultaneously ' to move in direction of feed, feeding moves transmission principle figure as shown in Figure 5.Described main spindle box 11 rear end outer wall is respectively equipped with and is enclosed within main shaft I 1 and main shaft II 1 ' outer belt shaft bearing 7, in belt shaft bearing 7, cover has oil sealing cover 6, oil sealing 5, belt wheel 4, main shaft end cap 2 successively from the inside to the outside, between belt wheel 4 and belt shaft bearing 7, be also provided with bearing II 3.Main motor 20 is arranged on lathe bed 21 rear inside, and the output shaft 40 of main motor is given prominence to lathe bed 21 rear end sidewall and is positioned on the downside of regulating wheel 39.
Described feeding power transmission shaft 36 is provided with clutch by medium position, this clutch is circumference gear clutch 32, the half-clutch device 322 of external tooth that circumference gear clutch 32 comprises the half-clutch device of internal tooth 321 and docks with the half-clutch device of internal tooth 321, described sprocket wheel IV 38 to be enclosed within feeding power transmission shaft 36 and to be fixedly connected with the end face outside of the half-clutch device 321 of internal tooth.Described feeding power transmission shaft 36 rear end cover has end face gear clutch 33, the tooth-like half-clutch device of end face outside being positioned at is connected with the turning handle 34 of rotatable feeding power transmission shaft 36.
The lathe bed 21 of described main spindle box 11 front end is provided with the frock clamp of holding workpiece, this frock clamp comprises the L shape supporting seat 22 be fixedly connected with lathe bed 21, parallel two studdles 24 be connected on the upside of L shape supporting seat 22, on studdle 24 outside L shape supporting seat 22, cover has rigidity positioning sleeve 30 and nylon positioning sleeve 23 respectively, rigidity positioning sleeve 30 leans against on the outside side wall of L shape supporting seat 22, nylon positioning sleeve 23 leans against the outside of rigidity positioning sleeve 30, the clamping platen 26 of workpiece pressing is provided with outside nylon positioning sleeve 23, the locking nut 25 coordinated with two studdle 24 outside end to lock clamping platen 26 is respectively equipped with outside clamping platen 26.The drill bushing 29 corresponding with two studdle 24 positions is respectively equipped with on the upside of two studdle 24 installation sites of described L shape supporting seat 22, top and two corresponding sections, drill bushing 29 position of L shape supporting seat 22 are respectively equipped with the cooling fluid pod apertures 27 connected with drill bushing 29, are connected with cooling water nozzle 28 on the upside of cooling fluid pod apertures 27.
During work, two drill bits are connected to main shaft I 1 and main shaft II 1 by chuck (not shown) ' front end, workpiece B to be processed is clamped in frock clamp, starts main motor 20, main shaft I 1 and main shaft II 1 ' axial direction rotates.If when selecting auto-feed, by handling shift fork operating grip 31 closed circumference gear clutch 32, open end face gear clutch 33, utilize Single-chip Controlling feed servo motor 35, according to the requirement rotating of processing technology, feed servo motor 35 drives decelerator 18 to rotate, and decelerator 18 drives chain II 16 to rotate, and chain II 16 is with movable sprocket IV 38 to rotate.When chain II 16 is with movable sprocket IV 38 to rotate, the gear 37 of feeding power transmission shaft 36 drives main shaft I 1 and main shaft II 1 by being meshed with the tooth bar 10 of main shaft piston 12 simultaneously ' automatically travel forward in direction of feed, need automatically to control feeding power transmission shaft 36 by SCM program during withdrawing and drive main shaft I 1 and main shaft II 1 ' automatically move backward in direction of feed, complete " falling to consider to be worth doing " work.Whole working cycles, can complete automatically.When auto feed system breaks down, hand feed can be selected.If when selecting hand feed, circumference gear clutch 32 is opened by handling shift fork operating grip 31, closed end face gear clutch 33, sprocket wheel IV 38 can not drive feeding power transmission shaft 36 to rotate, and makes feeding power transmission shaft 36 drive main shaft I 1 and main shaft II 1 by manual rotation's turning handle 34 be connected on the tooth-like half-clutch device of end face ' move forwards or backwards in direction of feed.
Above embodiment is only preferred embodiment of the present invention, and structure of the present invention is not limited to the form that above-described embodiment is enumerated, and all any amendments done within the spirit and principles in the present invention, equivalent replacement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole, it is characterized in that, this drilling machine comprises lathe bed (21), main spindle box (11), main motor (20), main shaft I (1), main shaft II (1 '), feed servo motor (35), decelerator (18), feeding power transmission shaft (36), main spindle box (11) is connected to the upside of lathe bed (21) one end, main shaft I (1), what main shaft II (1 ') was parallel to each other is applied in main spindle box (11), and main shaft I (1), main shaft II (1 ') is outstanding main spindle box (11) opposite end surface respectively, main motor (20) is by belt (19) and be arranged on outside main spindle box (11) and be positioned at main shaft I (1), regulating wheel (39) between main shaft II (1 ') drives main shaft I (1) and main shaft II (1 ') in axial rotation, feeding power transmission shaft (36) to be arranged in main spindle box (11) and to be positioned at the downside of main shaft I (1) and main shaft II (1 '), main shaft I (1) and main shaft II (1 ') are mutually vertical with feeding power transmission shaft (36) respectively, the output of feed servo motor (35) is connected with chain wheel I (41), the input of decelerator (18) is connected with chain wheel II (42), the output of decelerator (18) is connected with sprocket wheel III (43), the upper cover of feeding power transmission shaft (36) has sprocket wheel IV (38), feed servo motor (35) is by being connected to chain I (17) in chain wheel I (41) and chain wheel II (42) by power transmission to decelerator (18), decelerator (18) is again by being connected to chain II (16) on sprocket wheel III (43) and sprocket wheel IV (38) by power transmission to feeding power transmission shaft (36), main shaft I (1) and main shaft II (1 ') overlap outward respectively main shaft piston (12), outside main shaft piston (12) one end, cover has main shaft cylinder sleeve (13), main shaft cylinder sleeve (13) is fixedly connected on main spindle box (11), the bearing I (8) of supports main shaft I (1) and main shaft II (1 ') is respectively equipped with inside main shaft piston (12) two ends, the bottom of main shaft piston (12) is provided with a tooth-arranging strip (10), feeding power transmission shaft (36) is provided with the gear (37) be meshed with the tooth bar (10) of main shaft piston (12) bottom, when chain II (16) is with movable sprocket IV (38) to rotate, the gear (37) of feeding power transmission shaft (36) is by being meshed with the tooth bar (10) of main shaft piston (12) and driving main shaft I (1) and main shaft II (1 ') to move in direction of feed simultaneously, the lathe bed (21) of described main spindle box (11) front end is provided with the frock clamp of holding workpiece, this frock clamp comprises the L shape supporting seat (22) be fixedly connected with lathe bed (21), parallel two studdles (24) being connected to L shape supporting seat (22) upside, on the studdle (24) in L shape supporting seat (22) outside, cover has rigidity positioning sleeve (30) and nylon positioning sleeve (23) respectively, rigidity positioning sleeve (30) leans against on the outside side wall of L shape supporting seat (22), nylon positioning sleeve (23) then leans against the outside of rigidity positioning sleeve (30), nylon positioning sleeve (23) outside is provided with the clamping platen (26) of workpiece pressing, clamping platen (26) outside is respectively equipped with and coordinates with the locking nut of locking clamping platen (26) (25) with two studdles (24) outside end.
2. the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole as claimed in claim 1, it is characterized in that, described feeding power transmission shaft (36) is provided with clutch by medium position, this clutch is circumference gear clutch (32), the half-clutch device of external tooth (322) that circumference gear clutch (32) comprises the half-clutch device of internal tooth (321) and docks with the half-clutch device of internal tooth (321), described sprocket wheel IV (38) is enclosed within feeding power transmission shaft (36) and goes up and be fixedly connected with the end face outside of the half-clutch device of internal tooth (321).
3. the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole as claimed in claim 2, it is characterized in that, described feeding power transmission shaft (36) rear end cover has end face gear clutch (33), the tooth-like half-clutch device of end face outside being positioned at is connected with the turning handle (34) of rotatable feeding power transmission shaft (36).
4. the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole as claimed in claim 1, it is characterized in that, described main shaft cylinder sleeve (13) is enclosed within the front end of main shaft piston (12), main shaft cylinder sleeve (13) front end is provided with the flange (15) of outstanding main spindle box (11) front end outer wall, is fixedly connected on the outer wall of main spindle box (11) front end by the flange (15) of main shaft cylinder sleeve (13) by screw (14).
5. the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole as claimed in claim 1, it is characterized in that, described main spindle box (11) rear end outer wall is respectively equipped with and is enclosed within main shaft I (1) and main shaft II (1 ') belt shaft bearing (7) outward, in belt shaft bearing (7), cover has oil sealing cover (6), oil sealing (5), belt wheel (4), main shaft end cap (2) successively from the inside to the outside, is also provided with bearing II (3) between belt wheel (4) and belt shaft bearing (7).
6. the special twin shaft deep hole drilling machine of engineering machinery brake clamp oilhole as claimed in claim 1, it is characterized in that, the drill bushing (29) corresponding with two studdles (24) position is respectively equipped with on the upside of two studdles (24) installation site of described L shape supporting seat (22), the top of L shape supporting seat (22) and two drill bushings (29) corresponding section, position are respectively equipped with the cooling fluid pod apertures (27) connected with drill bushing (29), and cooling fluid pod apertures (27) upside is connected with cooling water nozzle (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310139205.3A CN103192117B (en) | 2013-04-22 | 2013-04-22 | Double-shaft deep-hole drilling machine special for engineering mechanical brake clamp oilholes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310139205.3A CN103192117B (en) | 2013-04-22 | 2013-04-22 | Double-shaft deep-hole drilling machine special for engineering mechanical brake clamp oilholes |
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| CN103192117A CN103192117A (en) | 2013-07-10 |
| CN103192117B true CN103192117B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310139205.3A Active CN103192117B (en) | 2013-04-22 | 2013-04-22 | Double-shaft deep-hole drilling machine special for engineering mechanical brake clamp oilholes |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496012A (en) * | 2013-09-11 | 2014-01-08 | 唐道雁 | Rapid drilling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1268310A1 (en) * | 1985-05-06 | 1986-11-07 | Рязанское специальное конструкторское бюро станкостроения | Double-spindle machine for deep drilling |
| CN201711561U (en) * | 2010-07-14 | 2011-01-19 | 舟山市正源标准件有限公司 | Threaded hole drilling machine for T-type nuts |
| CN203265686U (en) * | 2013-04-22 | 2013-11-06 | 柳州职业技术学院 | Double-shaft deep hole drilling machine for oil holes of engineering machine brake clamp |
-
2013
- 2013-04-22 CN CN201310139205.3A patent/CN103192117B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1268310A1 (en) * | 1985-05-06 | 1986-11-07 | Рязанское специальное конструкторское бюро станкостроения | Double-spindle machine for deep drilling |
| CN201711561U (en) * | 2010-07-14 | 2011-01-19 | 舟山市正源标准件有限公司 | Threaded hole drilling machine for T-type nuts |
| CN203265686U (en) * | 2013-04-22 | 2013-11-06 | 柳州职业技术学院 | Double-shaft deep hole drilling machine for oil holes of engineering machine brake clamp |
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| CN103192117A (en) | 2013-07-10 |
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