CN103182542A - Horizontal multi-station precision digital controlled drill for processing magnetic bars - Google Patents
Horizontal multi-station precision digital controlled drill for processing magnetic bars Download PDFInfo
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- CN103182542A CN103182542A CN2013100902148A CN201310090214A CN103182542A CN 103182542 A CN103182542 A CN 103182542A CN 2013100902148 A CN2013100902148 A CN 2013100902148A CN 201310090214 A CN201310090214 A CN 201310090214A CN 103182542 A CN103182542 A CN 103182542A
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Abstract
The invention provides a horizontal multi-station precision digital controlled drill for processing magnetic bars, and belongs to the technical field of numerically-controlled machine tools. The drill comprises a multi-station drill chunk power head device, an automatic clamping device, a material loading front table frame, a loading frame, a material loading rear table frame, a pressure push rod pushing component, a feeding and unloading push rod device, a ball screw pair, a motor and a drill body, wherein the bit axes of the multi-station drill chunk power head device are respectively aligned with the center lines of bars on the automatic clamping device one by one; the material loading front table frame, the loading frame, the material loading rear table frame and the pressure push rod pushing component are connected in sequence and are located on the ball screw pair; the ball screw pair is driven by the motor; and the push rod axes of the feeding and unloading push rod device are respectively aligned with the center lines of bars on the material loading front table frame and the material loading rear table frame one by one. The horizontal multi-station precision digital controlled drill realizes multi-station drilling automatic processing, conducts one-step drilling forming to the magnetic bars, improves processing precision and efficiency obviously, and solves the problems of high labor intensity, high possibility of damage of workpieces, low production rate and the like of a conventional drill.
Description
Technical field
The invention belongs to the numerical control machine tool technique field, relating to a kind of is processing object novel horizontal multistation accurate digital control drilling machine with the magnetic bar, have handiness, machining accuracy height, workman's tired low, the high outstanding advantage of productivity ratio, can be widely used in the machine tooling field.
Background technology
Magnetic material has important effect in fields such as electronic technology field and the science and techniques of defence.Along with the magnetic bar is used also more and more widely in electron trade, and to the processing of magnetic bar such as boring, reaming, fraising, still adopt traditional single-spindle drilling machine on the existing market mostly, but there are many weak points in this drilling machine when producing in enormous quantities: loading and unloading must be shut down, the clamping bar is time-consuming, and the processing bar is long overall cycle time; The bar clamping process also is manual clamping, and precision is unstable and not high, causes the magnetic bar qualification rate of processing low; Automaticity is not high, nearly all is manual operations in the process, take a large amount of manpowers, and production efficiency is low.
Summary of the invention
The present invention seeks to the defective at above-mentioned existence, a kind of horizontal multistation accurate digital control drilling machine of novel processing magnetic bar is provided.A kind of horizontal multistation accurate digital control drilling machine of processing the magnetic bar, it comprises stand 5 after multistation drill point power head device 1, automated exchanged cutter bar device 2, material containing front platform 3, charging folder 4, the material containing, pressure push-rod propulsive element 6, feeding discharge ram device 7, ball wire bar pair 8, motor 9, lathe bed 10;
The axis of multistation drill point power head device 1 drill bit respectively with automated exchanged cutter bar device 2 on the bar center line align one by one, stand 5, pressure push-rod propulsive element 6 are connected successively after automated exchanged cutter bar device 2 and material containing front platform 3, charging folder 4, the material containing, and all be seated on the ball wire bar pair 8, ball wire bar pair 8 is driven by motor 9; The push rod axis of feeding discharge ram device 7 also aligns one by one with the bar center line of material containing front platform 3, back stand 5 respectively; Multistation drill point power head device 1 is separately fixed at lathe bed 10 both sides with feeding discharge ram device 7.
Described multistation drill point power head device 1 is constructed as follows: this device comprises semi-circular lower lock block 11, semi-circular upper holder block 12, electric main shaft 13, drilling rod 14, drilling rod chuck binding nut 15, drilling rod chuck 16;
Semi-circular upper holder block 12 compresses and locatees a plurality of electric main shafts 13 respectively with semi-circular lower lock block 11, and the electric main shaft 13 drilling rod chuck 16 of packing into is connected with drilling rod 14, drilling rod 14 by drilling rod chuck 16 by 15 clampings of drilling rod chuck binding nut; Electric main shaft 13 inside of using carry cooling system, and cooling water channel is arranged, and can make the cooling water following current to drilling rod 14; The wiring of four electric main shafts 13 is on same circuit, and the rotation rotating speed of all electric main shafts 13 is unified to be controlled.
Described automated exchanged cutter bar device 2 is constructed as follows: this device comprises that change the outfit cover 19, chuck pressing plate 20, chuck clamping cap 21, base of the carrier head 22, charging guide pin bushing 23, fastening spring guide pin bushing 24, fastening spring 25, pressing plate pull bar 32, clamping force of bar chuck 18, chuck adjust nut 33, adjust pressure push-rod 34;
Pressing plate pull bar 32 passes material containing front platform 3, and passes through thread connection chuck pressing plate 20 in a side of pressing plate pull bar 32, and opposite side is adjusted pressure push-rod 34 by being threaded; Pressing plate pull bar 32 is provided with to regulate the clamping force adjustment nut 33 that fastening spring 25 clamps degree; Pressing plate pull bar 32 is inserted in fastening spring 25, and a side of fastening spring 25 withstands on material containing front platform 3, is provided with fastening spring guide pin bushing 24 simultaneously between fastening spring 25 and material containing front platform 3, and opposite side then withstands on clamping force and adjusts on the nut 33.
Described feeding discharge ram device 7 is constructed as follows: this device comprises holding screw 26, push rod guide pin bushing 27, push rod 28, compression spring 29, block 30, push rod stand 31;
The propulsive element of stating 6 is constructed as follows: this device comprises rolling bearing 35, axle sleeve 36, bearing 37, minor axis axle sleeve 38, fork support 39, major axis 40, axle 41, axle circlip 42, minor axis circlip 43, minor axis 44, lever arm 45, major axis back-up ring 46;
Rolling bearing 35 both sides connecting bushings 36, and with axle 41 matched in clearance, axle 41 1 sides are provided with the shaft shoulder, opposite side is fixed its axial free degree with a spool circlip 42, and is connected the upper end of lever arm 45; Minor axis 44 is inserted at lever arm 45 middle parts, minor axis 44 and bearing 37 matched in clearance, and bearing 37 both sides connect minor axis axle sleeve 38, and minor axis 44 1 sides are provided with the shaft shoulder, and opposite side is fixed its axial free degree with minor axis circlip 43; Major axis 40 is put in the lower end of lever arm 45, and connects fork support 39, and lever arm 45 can be swung, and major axis 40 1 sides are provided with the shaft shoulder, and opposite side is fixed its axial free degree with major axis back-up ring 46.
The present invention has realized the automation of multistation boring, and F.F., the worker that can carry out many bars automatically advance the worker and move back), rewind down, stop and processing simultaneously, can be used for producing by batch.Workpiece machining accuracy height, work efficiency are fast, human and material resources, the financial resources that can save the investor.Production efficiency, required precision, the handiness of modern manufacturing processing, workman's requirements such as work fatigue have been satisfied.
Description of drawings
Fig. 1 is system architecture schematic diagram of the present invention.
Fig. 2 is the horizontal multistation accurate digital control drilling machine structure vertical view of novel processing magnetic bar.
Fig. 3 is multistation drill point power head device structure principle chart.
Fig. 4 is automated exchanged cutter bar apparatus structure schematic diagram.
Fig. 5 is feeding discharge ram apparatus structure schematic diagram.
Fig. 6 is the structure cutaway view of pressure push-rod propulsive element.
Fig. 7 is bar charging folder tomograph
Among the figure, 1-multistation drill point power head device, 2-automated exchanged cutter bar device, 3-material containing front platform, 4-charging folder, stand after 5-material containing, 6-pressure push-rod propulsive element, 8-ball wire bar pair, 7-feeding discharge ram device, 9-motor, 10-lathe bed, 11-second round briquetting, 12-first round briquetting, 13-electric main shaft, 14-drilling rod, 15-drilling rod chuck binding nut, 16-drilling rod chuck, 17-magnetic bar, 18-bar chuck, 19-chuck cover that changes the outfit, 20-chuck pressing plate, 21-chuck clamping cap, 22-base of the carrier head, 23-charging guide pin bushing, 24-fastening spring guide pin bushing, 25-fastening spring, 26-holding screw, 27-push rod guide pin bushing, 28-push rod, 29-compression spring, 30-block, 31-push rod stand, 32-pressing plate pull bar, 33-clamping force is adjusted nut, 34-adjustment pressure push-rod, 35-rolling bearing, 36-axle sleeve, 37-bearing, 38-minor axis axle sleeve, 39-fork support, 40-major axis, 41-axle, 42-axle circlip, 43-minor axis circlip, 44-minor axis, 45-lever arm, 46-major axis circlip.
The specific embodiment
Be described further for the present invention below in conjunction with the drawings and specific embodiments:
Present embodiment provides a kind of horizontal multistation accurate digital control drilling machine of novel processing magnetic bar as shown in Figure 1.The horizontal multistation accurate digital control of this novel processing magnetic bar drilling machine comprises stand 5 after multistation drill point power head device 1, automated exchanged cutter bar device 2, material containing front platform 3, charging folder 4, the material containing, pressure push-rod propulsive element 6, feeding discharge ram device 7, ball wire bar pair 8, motor 9, lathe bed 10;
The axis of multistation drill point power head device 1 drill bit respectively with automated exchanged cutter bar device 2 on the bar center line align one by one, stand 5, pressure push-rod propulsive element 6 are connected successively after automated exchanged cutter bar device 2 and material containing front platform 3, charging folder 4, the material containing, and all be seated on the ball wire bar pair 8, ball wire bar pair 8 is driven by motor 9; The push rod axis of feeding discharge ram device 7 also aligns one by one with the bar center line of material containing front platform 3, back stand 5 respectively; Multistation drill point power head device 1 is separately fixed at lathe bed 10 both sides with feeding discharge ram device 7.
Described multistation drill point power head device 1 is as shown in Figure 3: this device comprises semi-circular lower lock block 11, semi-circular upper holder block 12, electric main shaft 13, drilling rod 14, drilling rod chuck binding nut 15, drilling rod chuck 16;
Semi-circular upper holder block 12 compresses and locatees a plurality of electric main shafts 13 respectively with semi-circular lower lock block 11, and the electric main shaft 13 drilling rod chuck 16 of packing into is connected with drilling rod 14, drilling rod 14 by drilling rod chuck 16 by 15 clampings of drilling rod chuck binding nut; Electric main shaft 13 inside of using carry cooling system, and cooling water channel is arranged, and can make the cooling water following current to drilling rod 14; The wiring of four electric main shafts 13 is on same circuit, and the rotation rotating speed of all electric main shafts 13 is unified to be controlled.
Described automated exchanged cutter bar device 2 is as shown in Figure 4: described automated exchanged cutter bar device 2 is constructed as follows: this device comprises that change the outfit cover 19, chuck pressing plate 20, chuck clamping cap 21, base of the carrier head 22, charging guide pin bushing 23, fastening spring guide pin bushing 24, fastening spring 25, pressing plate pull bar 32, clamping force of bar chuck 18, chuck adjust nut 33, adjust pressure push-rod 34;
Pressing plate pull bar 32 passes material containing front platform 3, and passes through thread connection chuck pressing plate 20 in a side of pressing plate pull bar 32, and opposite side is adjusted pressure push-rod 34 by being threaded; Pressing plate pull bar 32 is provided with to regulate the clamping force adjustment nut 33 that fastening spring 25 clamps degree; Pressing plate pull bar 32 is inserted in fastening spring 25, and a side of fastening spring 25 withstands on material containing front platform 3, is provided with fastening spring guide pin bushing 24 simultaneously between fastening spring 25 and material containing front platform 3, and opposite side then withstands on clamping force and adjusts on the nut 33.
Described feeding discharge ram device 7 is as shown in Figure 5: this device comprises holding screw 26, push rod guide pin bushing 27, push rod 28, compression spring 29, block 30, push rod stand 31;
Described pressure push-rod propulsive element 6 is as shown in Figure 6: this device comprises rolling bearing 35, axle sleeve 36, bearing 37, minor axis axle sleeve 38, fork support 39, major axis 40, axle 41, axle circlip 42, minor axis circlip 43, minor axis 44, lever arm 45, major axis back-up ring 46.It is characterized in that: rolling bearing 35 both sides connecting bushings 36, and with axle 41 matched in clearance, axle 41 1 sides are provided with the shaft shoulder, opposite side is fixed its axial free degree with a spool circlip 42, and is connected the upper end of lever arm 45; Minor axis 44 is inserted at lever arm 45 middle parts, minor axis 44 and bearing 37 matched in clearance, and bearing 37 both sides connect minor axis axle sleeve 38, and minor axis 44 1 sides are provided with the shaft shoulder, and opposite side is fixed its axial free degree with minor axis circlip 43; Major axis 40 is put in the lower end of lever arm 45, and connects fork support 39, and lever arm 45 can be swung, and major axis 40 1 sides are provided with the shaft shoulder, and opposite side is fixed its axial free degree with major axis back-up ring 46.
During work, at first when the oscillation intensity that checks drilling rod 14 rotation processes in the multistation drill point power head device 1, determine drilling rod chuck binding nut 15 chucking drilling rods 14, adjust semi-circular upper holder block 12 and semi-circular lower lock block 11 accurate relative positions of locating a plurality of electric main shafts 13.The wiring of a plurality of electric main shafts 13 must make the rotating speed of all electric main shafts 13 all unify control on same circuit.
Be described in further detail below in conjunction with accompanying drawing 1 to 7 pairs of operation principles of the present invention of accompanying drawing and enforcement.
The multistation drill point power head device 1 of precision drilling machine is started working, drilling rod 14 rotates, clamping force is adjusted 33 pairs of fastening spring 25 pretensions of nut, the material containing folder 4 magnetic bar 17 of packing into, the charging folder 4 that to fill bar is again put into stand 5 after material containing front platform 3 and the material containing, at this moment, motor 9 drives ball screws 8 and moves backward and stop in the magnetic bar 17 propelling bar chucks 18 in the material containing folder 4 until feeding discharge ram device 7.In bar 17 pushes chuck 18 fully, motor 9 drive ball-screws 8 travel forward in the process, clamping force is adjusted nut 33 and is compressed fastening spring 25 by pretightning force, fastening spring 25 compressions make pressing plate pull bar 32 tension chuck pressing plates 20,20 pairs of chuck clamping caps 21 of the chuck pressing plate of tension clamp, compress bar chuck 18 by chuck clamping cap 21,18 pairs of magnetic bars 17 of bar chuck are finished chucking.Motor 9 drives ball screws 8 and moves forward, and the Working position that the magnetic bar 17 of stand 5, material containing folder 4 is sent into appointment in the lump after with material containing front platform 3, material containing stops.Drilling rod 14 begins to hole to arranging the magnetic bar 17 that clamps, in boring procedure, for guaranteeing at a certain temperature, the electric main shaft 13 that carries coolant flow channel must feed cooling water, flow along drilling rod 14 directions, avoid drilling rod 14 temperature too high, burn out the magnetic bar 17 of processing.During drilling rod 14 deep hole processing, the stage feeding can be adopted repeatedly, its rigidity requirement can be well satisfied like this.After treating that magnetic bar 17 is finished boring, drive ball screw 8 by motor 9, with stand 5 after material containing front platform 3, material containing folder 4, the material containing along with motion platform moves backward, withstand block 30 until pressure push-rod propulsive element 6, make and adjust pressure push-rod 34 top upward pressure push rod propulsive elements 6, adjust the pressure push-rod 34 stressed pressing plate pull bars 32 that promote forward, pressing plate pull bar 32 promotes chuck pressing plates 20, and chuck pressing plate 20 promotes the chucks cover 19 that changes the outfit and unclamps chuck clamping cap 21.The clamping force of 21 pairs of bar chucks 18 of chuck clamping cap reduces gradually, and 18 of bar chucks are the pine folder gradually, and at this moment magnetic bar 17 can promote, and has finished the process of bar clamping to the pine folder.
Behind the bar chuck 18 complete loose pawls, ball screw 8 continues to retreat under motor 9 drives, adjust the pressure push-rod 34 push rod propulsive element 6 that withstands pressure and continue stressedly, the rolling bearing of pressure push-rod propulsive element 6 upper ends withstands block 30 and slides backward, and push rod 28 tops are gone up magnetic bar 17 and released gradually.For anti-throw-out lever 28 excessive destruction that be under pressure, add compression spring 29 and play cushioning effect.After magnetic bar 17 is ejected fully, allow motor 9 be with ball screw 8 to move forward to assigned address, the charging folder 4 magnetic bars 17 of the filling arrangement downward blanking of being conducted oneself with dignity.And then ball screw 8 is moved backward, magnetic bar 17 is pushed up in bar chuck 18, and bar chuck 18 clamps thereupon.At this moment, make motor 9 counter-rotatings, drive the drilling rod 14 that ball screw 8 travels forward and upward rotates until bar 17 tops that clamp, motor 9 quits work.At this moment, 1 beginning of multistation drill point power head device is processed magnetic bar 17 again, finishes a working cycles.
The horizontal multistation accurate digital control drilling machine of novel processing magnetic bar of the present invention is not only realized multistation while, steady ordered and processing efficiently, and the automation of successful realization bar processing.Wherein multistation drill point power head device 1 can carry out speed governing to drilling rod 14 fast and accurately, structure is tightr, many bars are processed simultaneously, working (machining) efficiency improves greatly, and electric main shaft 13 inside that multistation drill point power head device is 1 li carry coolant flow channel, avoid drilling rod 14 temperature too high, burn out the magnetic bar 17 of processing.Automated exchanged cutter bar device 2 has been realized the automated exchanged cutter of magnetic bar 17 in process, this device also is the requisite part of automation that realizes bar drilling work.Charging folder 4 a plurality of magnetic bars 17 of can packing into side by side simultaneously, after magnetic bar 17 was ejected by push rod 28, the next magnetic bar in the charging folder 4 fell rapidly.Like this, the next workpiece of charging folder decline, bar chuck 18 clamps a workpiece, can finish discharging and charging fast, saves the blanking time, has improved production efficiency.Feeding discharge ram device 7, in that fixedly the period is carried out feeding, discharging, when importantly push rod ejects magnetic bar 17, stand 5 and pressure push-rod propulsive element 6 drive feeding by ball screw 8 after material containing front platform 3, charging folder 4, the material containing, at once can carry out feeding behind the blanking, save and produce the dead time, improved production efficiency.
In addition to the implementation, all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (5)
1. horizontal multistation accurate digital control drilling machine of processing the magnetic bar is characterized in that: it comprises stand (5) after multistation drill point power head device (1), automated exchanged cutter bar device (2), material containing front platform (3), charging folder (4), the material containing, pressure push-rod propulsive element (6), feeding discharge ram device (7), ball wire bar pair (8), motor (9), lathe bed (10);
The axis of multistation drill point power head device (1) drill bit respectively with automated exchanged cutter bar device (2) on the bar center line align one by one, stand (5), pressure push-rod propulsive element (6) are connected successively after automated exchanged cutter bar device (2) and material containing front platform (3), charging folder (4), the material containing, and all be seated on the ball wire bar pair (8), ball wire bar pair (8) is driven by motor (9); The push rod axis of feeding discharge ram device (7) also aligns one by one with the bar center line of material containing front platform (3), back stand (5) respectively; Multistation drill point power head device (1) is separately fixed at lathe bed (10) both sides with feeding discharge ram device (7).
2. a kind of horizontal multistation accurate digital control drilling machine of processing the magnetic bar as claimed in claim 1, it is characterized in that: described multistation drill point power head device (1) is constructed as follows: this device comprises semi-circular lower lock block (11), semi-circular upper holder block (12), electric main shaft (13), drilling rod (14), drilling rod chuck binding nut (15), drilling rod chuck (16);
Semi-circular upper holder block (12) compresses and locatees a plurality of electric main shafts (13) respectively with semi-circular lower lock block (11), electric main shaft (13) the drilling rod chuck (16) of packing into is connected with drilling rod (14), and drilling rod (14) is clamped by drilling rod chuck binding nut (15) by drilling rod chuck (16); Electric main shaft (13) inside of using carries cooling system, and cooling water channel is arranged, and can make the cooling water following current to drilling rod (14); The wiring of four electric main shafts (13) is on same circuit, and the rotation rotating speed of all electric main shafts (13) is unified to be controlled.
3. a kind of horizontal multistation accurate digital control drilling machine of processing the magnetic bar as claimed in claim 1, it is characterized in that: described automated exchanged cutter bar device (2) is constructed as follows: this device comprises that change the outfit cover (19), chuck pressing plate (20), chuck clamping cap (21), base of the carrier head (22), charging guide pin bushing (23), fastening spring guide pin bushing (24), fastening spring (25), pressing plate pull bar (32), clamping force of bar chuck (18), chuck adjust nut (33), adjust pressure push-rod (34);
Bar chuck (18) one sides connect chuck clamping cap (21), and chuck clamping cap (21) is provided with convex shoulder and withstands on chuck clamping sleeve (19) one sides, and chuck clamping sleeve (19) then is fixedly connected on the chuck pressing plate (20) by screw thread; The opposite side of bar chuck (18) connects base of the carrier head (22), and base of the carrier head (22) screw thread is fixedly connected on material containing front platform (3); Bar chuck (18) charging aperture place is provided with charging guide pin bushing (23), and the axis that guarantees charging guide pin bushing (23) and bar chuck (18) central axis align;
Pressing plate pull bar (32) passes material containing front platform (3), and passes through thread connection chuck pressing plate (20) in a side of pressing plate pull bar (32), and opposite side is adjusted pressure push-rod (34) by being threaded; Pressing plate pull bar (32) is provided with to regulate the clamping force adjustment nut (33) that fastening spring (25) clamps degree; Pressing plate pull bar (32) is inserted in fastening spring (25), one side of fastening spring (25) withstands on material containing front platform (3), simultaneously be provided with fastening spring guide pin bushing (24) between fastening spring (25) and material containing front platform (3), opposite side then withstands on clamping force and adjusts on the nut (33).
4. a kind of horizontal multistation accurate digital control drilling machine of processing the magnetic bar as claimed in claim 1, it is characterized in that: described feeding discharge ram device (7) is constructed as follows: this device comprises holding screw (26), push rod guide pin bushing (27), push rod (28), compression spring (29), block (30), push rod stand (31);
Block (30) is fastened on a side of push rod stand (31) by bolt, push rod (28) is respectively charged in the corresponding installing hole of push rod stand (31), push rod (28) one sides connect compression spring (29), make push rod (28) put into push rod guide pin bushing (27) and push rod (28) is led with compressing spring (29) again; For anti-throw-out lever (28) the excessive destruction that be under pressure, add the pressure that compression spring (29) comes damper push rod (28).
5. a kind of horizontal multistation accurate digital control drilling machine of processing the magnetic bar as claimed in claim 1, it is characterized in that: described propulsive element (6) is constructed as follows: this device comprises rolling bearing 35, axle sleeve 36, bearing 37, minor axis axle sleeve 38, fork support 39, major axis 40, axle 41, axle circlip 42, minor axis circlip 43, minor axis 44, lever arm 45, major axis back-up ring 46;
Rolling bearing 35 both sides connecting bushings 36, and with axle 41 matched in clearance, axle 41 1 sides are provided with the shaft shoulder, opposite side is fixed its axial free degree with a spool circlip 42, and is connected the upper end of lever arm 45; Minor axis 44 is inserted at lever arm 45 middle parts, minor axis 44 and bearing 37 matched in clearance, and bearing 37 both sides connect minor axis axle sleeve 38, and minor axis 44 1 sides are provided with the shaft shoulder, and opposite side is fixed its axial free degree with minor axis circlip 43; Major axis 40 is put in the lower end of lever arm 45, and connects fork support 39, and lever arm 45 can be swung, and major axis 40 1 sides are provided with the shaft shoulder, and opposite side is fixed its axial free degree with major axis back-up ring 46.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310090214.8A CN103182542B (en) | 2013-03-20 | 2013-03-20 | Horizontal multi-station precision digital controlled drill for processing magnetic bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310090214.8A CN103182542B (en) | 2013-03-20 | 2013-03-20 | Horizontal multi-station precision digital controlled drill for processing magnetic bars |
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| Publication Number | Publication Date |
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| CN103182542A true CN103182542A (en) | 2013-07-03 |
| CN103182542B CN103182542B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310090214.8A Expired - Fee Related CN103182542B (en) | 2013-03-20 | 2013-03-20 | Horizontal multi-station precision digital controlled drill for processing magnetic bars |
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| CN103978398A (en) * | 2014-06-02 | 2014-08-13 | 南通爱慕希机械有限公司 | Mechanical arm for numerically-controlled machine tool |
| CN105750583A (en) * | 2016-05-18 | 2016-07-13 | 赵晓冬 | Perforating machine with higher efficiency |
| CN114043278A (en) * | 2021-11-29 | 2022-02-15 | 上海中船三井造船柴油机有限公司 | Auxiliary device for machining inclined oil hole of connecting rod and machining method |
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| JPH0985564A (en) * | 1995-09-19 | 1997-03-31 | Nachi Fujikoshi Corp | Machine tool provided with multi-spindle head changing device |
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| CN114043278A (en) * | 2021-11-29 | 2022-02-15 | 上海中船三井造船柴油机有限公司 | Auxiliary device for machining inclined oil hole of connecting rod and machining method |
| CN114043278B (en) * | 2021-11-29 | 2023-08-11 | 上海中船三井造船柴油机有限公司 | Auxiliary device and method for machining oblique oil hole of connecting rod |
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| Publication number | Publication date |
|---|---|
| CN103182542B (en) | 2015-06-10 |
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