CN103182542B - 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 PDF

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Publication number
CN103182542B
CN103182542B CN201310090214.8A CN201310090214A CN103182542B CN 103182542 B CN103182542 B CN 103182542B CN 201310090214 A CN201310090214 A CN 201310090214A CN 103182542 B CN103182542 B CN 103182542B
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chuck
bar
push rod
rod
axis
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Expired - Fee Related
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CN201310090214.8A
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Chinese (zh)
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CN103182542A (en
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王新华
龚志奔
高燕
郑刚
孙树文
涂承媛
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Beijing University of Technology
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Beijing University of Technology
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Publication of CN103182542B publication Critical patent/CN103182542B/en
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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

A kind of Horizontal multi-station accurate digital control drilling machine processing magnetic bar
Technical field
The invention belongs to numerical control machine tool technique field, relate to one with magnetic bar for processing object novel horizontal Multi-station precision numerical control drilling machine, there is the outstanding advantages such as handiness, machining accuracy fatigue that is high, workman is low, productivity ratio is high, machine tooling field can be widely used in.
Background technology
Magnetic material has important effect in the field such as electronic technology field and the science and techniques of defence.Along with magnetic bar is also more and more extensive in electron trade application, and to the processing of magnetic bar as boring, reaming, fraising, traditional single-spindle drilling machine is adopted on existing market or mostly, but there is many weak points when producing in enormous quantities in this drilling machine: loading and unloading must be shut down, clamping bar is time-consuming, and processing bar is long for overall cycle time; Bar clamping process is also manual clamping, and precision is unstable and not high, causes the magnetic bar qualification rate of processing low; Automaticity is not high, is nearly all manual operations, take a large amount of manpower, and production efficiency is low in process.
Summary of the invention
The present invention seeks to the defect for above-mentioned existence, a kind of Horizontal multi-station accurate digital control drilling machine of novel processing magnetic bar is provided.Process a Horizontal multi-station accurate digital control drilling machine for magnetic bar, it comprises multistation drill point power head device 1, automated exchanged cutter bar device 2, material containing front platform 3, charging folder 4, stand 5, pressure push-rod propulsive element 6, feeding discharge ram device 7, ball wire bar pair 8, motor 9, lathe bed 10 after material containing;
The axis of multistation drill point power head device 1 drill bit aligns one by one with the bar center line on automated exchanged cutter bar device 2 respectively, automated exchanged cutter bar device 2 is connected successively with stand 5, pressure push-rod propulsive element 6 after material containing front platform 3, feed folder 4, material containing, and being all seated on 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, rear stand 5 respectively; Multistation drill point power head device 1 and feeding discharge ram device 7 are separately fixed at lathe bed 10 both sides.
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, electro spindle 13, drilling rod 14, drilling rod chuck binding nut 15, drilling rod chuck 16;
Semi-circular upper holder block 12 and semi-circular lower lock block 11 compress respectively and locate multiple electro spindle 13, then make electro spindle 13 load drilling rod chuck 16 to be connected with drilling rod 14, and drilling rod 14 is clamped by drilling rod chuck binding nut 15 by drilling rod chuck 16; Electro spindle 13 inside used carries cooling system, has cooling water channel, cooling water following current can be made to drilling rod 14; The wiring of four electro spindle 13 is on same circuit, and the rotary rpm of all electro spindle 13 is unified to be controlled.
Described automated exchanged cutter bar device 2 is constructed as follows: this device comprises bar chuck 18, chuck changes the outfit cover 19, chuck pressing plate 20, chuck clamping cap 21, base of the carrier head 22, material feeding guide sleeve 23, fastening spring guide pin bushing 24, fastening spring 25, pressing plate pull bar 32, clamping force adjusting nut 33, adjustment pressure push-rod 34;
Bar chuck 18 side connecting clip clamping cap 21, chuck clamping cap 21 is provided with convex shoulder and withstands on chuck and to change the outfit cover 19 side, and chuck 19, the cover that changes the outfit is fixedly connected on chuck pressing plate 20 by screw thread; The opposite side connecting clip seat 22 of bar chuck 18, 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 material feeding guide sleeve 23, and ensures that the axis of material feeding guide sleeve 23 aligns with the central axis of bar chuck 18;
Pressing plate pull bar 32 is through material containing front platform 3, and in the side of pressing plate pull bar 32 by thread connection chuck pressing plate 20, opposite side is threaded connection adjustment pressure push-rod 34; Pressing plate pull bar 32 is provided with the clamping force adjusting nut 33 for regulating fastening spring 25 clamping degree; Pressing plate pull bar 32 is inserted in fastening spring 25, and the side of fastening spring 25 withstands on material containing front platform 3, and between fastening spring 25 and material containing front platform 3, be provided with fastening spring guide pin bushing 24, opposite side then withstands on clamping force adjusting nut 33 simultaneously.
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, Compress Spring 29, block 30, push rod stand 31;
Block 30 is bolted the side being fixed on push rod stand 31, push rod 28 is respectively charged in the installing hole of push rod stand 31 correspondence, push rod 28 side connects Compress Spring 29, then makes push rod 28 put into push rod guide pin bushing 27 and lead to push rod 28 together with Compress Spring 29; For anti-throw-out lever 28 is under pressure excessive and destroy, add the pressure that Compress Spring 29 carrys out damper push rod 28.
The propulsive element 6 stated is constructed as follows: this device comprises rolling bearing 35, axle sleeve 36, bearing 37, minor axis axle sleeve 38, swing link bracket 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 bushing 36, and with axle 41 matched in clearance, axle 41 side is provided with the shaft shoulder, and the free degree of its axis fixed by opposite side axle circlip 42, and is connected to the upper end of lever arm 45; Insert minor axis 44 in the middle part of lever arm 45, minor axis 44 and bearing 37 matched in clearance, bearing 37 both sides connect minor axis axle sleeve 38, and minor axis 44 side is provided with the shaft shoulder, and the free degree of its axis fixed by opposite side minor axis circlip 43; Major axis 40 is put in the lower end of lever arm 45, and connects swing link bracket 39, makes lever arm 45 swingable, and major axis 40 side is provided with the shaft shoulder, and opposite side major axis back-up ring 46 fixes the free degree of its axis.
Present invention achieves the automation of multistation boring, F.F., the work that automatically can carry out many bars are entered work and are moved back), rewind, stopping and processing simultaneously, can be used for producing by batch.Workpiece Machining Accuracy is high, work efficiency is fast, can human and material resources, the financial resources of investment reduction side.Meet the requirements such as work is tired of the production efficiency of modern manufacturing processing, required precision, handiness, workman.
Accompanying drawing explanation
Fig. 1 is present system structure principle chart.
Fig. 2 is the Horizontal multi-station accurate digital control drilling machine structure top 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 sectional view of pressure push-rod propulsive element.
Fig. 7 is bar charging folder tomograph
In 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-electro spindle, 14-drilling rod, 15-drilling rod chuck binding nut, 16-drilling rod chuck, 17-magnetic bar, 18-bar chuck, 19-chuck changes the outfit cover, 20-chuck pressing plate, 21-chuck clamping cap, 22-base of the carrier head, 23-material feeding guide sleeve, 24-fastening spring guide pin bushing, 25-fastening spring, 26-holding screw, 27-push rod guide pin bushing, 28-push rod, 29-Compress Spring, 30-block, 31-push rod stand, 32-pressing plate pull bar, 33-clamping force adjusting nut, 34-adjustment pressure push-rod, 35-rolling bearing, 36-axle sleeve, 37-bearing, 38-minor axis axle sleeve, 39-swing link bracket, 40-major axis, 41-axle, 42-axle circlip, 43-minor axis circlip, 44-minor axis, 45-lever arm, 46-major axis circlip.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further:
The present embodiment provides a kind of Horizontal multi-station accurate digital control drilling machine of novel processing magnetic bar as shown in Figure 1.This novel processing magnetic bar Horizontal multi-station accurate digital control drilling machine comprises multistation drill point power head device 1, automated exchanged cutter bar device 2, material containing front platform 3, charging folder 4, stand 5, pressure push-rod propulsive element 6, feeding discharge ram device 7, ball wire bar pair 8, motor 9, lathe bed 10 after material containing;
The axis of multistation drill point power head device 1 drill bit aligns one by one with the bar center line on automated exchanged cutter bar device 2 respectively, automated exchanged cutter bar device 2 is connected successively with stand 5, pressure push-rod propulsive element 6 after material containing front platform 3, feed folder 4, material containing, and being all seated on 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, rear stand 5 respectively; Multistation drill point power head device 1 and feeding discharge ram device 7 are separately fixed at lathe bed 10 both sides.
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, electro spindle 13, drilling rod 14, drilling rod chuck binding nut 15, drilling rod chuck 16;
Semi-circular upper holder block 12 and semi-circular lower lock block 11 compress respectively and locate multiple electro spindle 13, then make electro spindle 13 load drilling rod chuck 16 to be connected with drilling rod 14, and drilling rod 14 is clamped by drilling rod chuck binding nut 15 by drilling rod chuck 16; Electro spindle 13 inside used carries cooling system, has cooling water channel, cooling water following current can be made to drilling rod 14; The wiring of four electro spindle 13 is on same circuit, and the rotary rpm of all electro spindle 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 bar chuck 18, chuck changes the outfit cover 19, chuck pressing plate 20, chuck clamping cap 21, base of the carrier head 22, material feeding guide sleeve 23, fastening spring guide pin bushing 24, fastening spring 25, pressing plate pull bar 32, clamping force adjusting nut 33, adjustment pressure push-rod 34;
Bar chuck 18 side connecting clip clamping cap 21, chuck clamping cap 21 is provided with convex shoulder and withstands on chuck and to change the outfit cover 19 side, and chuck 19, the cover that changes the outfit is fixedly connected on chuck pressing plate 20 by screw thread; The opposite side connecting clip seat 22 of bar chuck 18, 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 material feeding guide sleeve 23, and ensures that the axis of material feeding guide sleeve 23 aligns with the central axis of bar chuck 18;
Pressing plate pull bar 32 is through material containing front platform 3, and in the side of pressing plate pull bar 32 by thread connection chuck pressing plate 20, opposite side is threaded connection adjustment pressure push-rod 34; Pressing plate pull bar 32 is provided with the clamping force adjusting nut 33 for regulating fastening spring 25 clamping degree; Pressing plate pull bar 32 is inserted in fastening spring 25, and the side of fastening spring 25 withstands on material containing front platform 3, and between fastening spring 25 and material containing front platform 3, be provided with fastening spring guide pin bushing 24, opposite side then withstands on clamping force adjusting nut 33 simultaneously.
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, Compress Spring 29, block 30, push rod stand 31;
Block 30 is bolted the side being fixed on push rod stand 31, push rod 28 is respectively charged in the installing hole of push rod stand 31 correspondence, push rod 28 side connects Compress Spring 29, then makes push rod 28 put into push rod guide pin bushing 27 and lead to push rod 28 together with Compress Spring 29; For anti-throw-out lever 28 is under pressure excessive and destroy, add the pressure that Compress Spring 29 carrys out damper push rod 28.
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, swing link bracket 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 bushing 36, and with axle 41 matched in clearance, axle 41 side is provided with the shaft shoulder, and the free degree of its axis fixed by opposite side axle circlip 42, and is connected to the upper end of lever arm 45; Insert minor axis 44 in the middle part of lever arm 45, minor axis 44 and bearing 37 matched in clearance, bearing 37 both sides connect minor axis axle sleeve 38, and minor axis 44 side is provided with the shaft shoulder, and the free degree of its axis fixed by opposite side minor axis circlip 43; Major axis 40 is put in the lower end of lever arm 45, and connects swing link bracket 39, makes lever arm 45 swingable, and major axis 40 side is provided with the shaft shoulder, and opposite side major axis back-up ring 46 fixes the free degree of its axis.
During work, first when the oscillation intensity checking drilling rod 14 rotation process in multistation drill point power head device 1, determine that drilling rod chuck binding nut 15 clamps drilling rod 14, adjust semi-circular upper holder block 12 relative position of locating multiple electro spindle 13 accurate with semi-circular lower lock block 11.The wiring of multiple electro spindle 13 must, on same circuit, make the rotating speed of all electro spindle 13 all unify to control.
Be described in further detail below in conjunction with accompanying drawing 1 to accompanying drawing 7 pairs of operation principles of the present invention and enforcement.
The multistation drill point power head device 1 of precision drilling machine is started working, drilling rod 14 rotates, clamping force adjusting nut 33 pairs of fastening spring 25 pretensions, material containing folder 4 loads magnetic bar 17, again the charging folder 4 filling bar is put into stand 5 after material containing front platform 3 and material containing, now, motor 9 drives ball wire bar pair 8 to move backward until the magnetic bar 17 in material containing folder 4 is advanced stopping in bar chuck 18 by feeding discharge ram device 7.When bar 17 pushes in chuck 18 completely, motor 9 drives in ball wire bar pair 8 forward movement, clamping force adjusting nut 33 compresses fastening spring 25 by pretightning force, fastening spring 25 compression makes pressing plate pull bar 32 strain chuck pressing plate 20, chuck pressing plate 20 pairs of chuck clamping caps 21 of tension clamp, compress bar chuck 18 by chuck clamping cap 21, bar chuck 18 pairs of magnetic bars 17 complete clamping.Motor 9 drives ball wire bar pair 8 to move forward, and stops until the magnetic bar 17 of stand 5, material containing folder 4 after material containing front platform 3, material containing is sent into the Working position of specifying in the lump.Drilling rod 14 starts to hole to the magnetic bar 17 of arrangement clamping, in boring procedure, for ensureing at a certain temperature, the electro spindle 13 carrying coolant flow channel must pass into cooling water, along the flowing of drilling rod 14 direction, avoid drilling rod 14 temperature too high, burn out the magnetic bar 17 of processing.During drilling rod 14 deep hole processing, stage feeding can be adopted repeatedly, can well meet its rigidity requirement like this.After magnetic bar 17 completes boring, ball wire bar pair 8 is driven by motor 9, by stand 5 after material containing front platform 3, material containing folder 4, material containing along with motion platform moves backward, until pressure push-rod propulsive element 6 withstands block 30, adjustment pressure push-rod 34 is made to push up upper pressure push-rod propulsive element 6, adjustment pressure push-rod 34 stressed driven forward pressing plate pull bar 32, pressing plate pull bar 32 promotes chuck pressing plate 20, and chuck pressing plate 20 promotes the chuck cover 19 that changes the outfit and unclamps chuck clamping cap 21.The clamping force of chuck clamping cap 21 pairs of bar chucks 18 reduces gradually, and bar chuck 18 is pine folder gradually, and at this moment magnetic bar 17 can promote, and completes the process of bar clamping to pine folder.
After the complete loose pawl of bar chuck 18, ball wire bar pair 8 continues to retreat under motor 9 drives, the adjustment pressure push-rod 34 push rod propulsive element 6 that withstands pressure continues stressed, the rolling bearing of pressure push-rod propulsive element 6 upper end withstands block 30 and slides backward, and push rod 28 pushes up upper magnetic bar 17 and releases gradually.For anti-throw-out lever 28 is under pressure excessive and destroy, add Compress Spring 29 and play cushioning effect.After magnetic bar 17 is ejected completely, allow motor 9 move forward to assigned address with ball wire bar pair 8, charging folder 4 fills the magnetic bar 17 of arrangement by conducting oneself with dignity to dropping material.And then ball wire bar pair 8 is moved backward, magnetic bar 17 is pushed up in bar chuck 18, and bar chuck 18 clamps thereupon.Now, make motor 9 reverse, drive ball wire bar pair 8 to travel forward until the bar 17 clamped pushes up the upper drilling rod 14 rotated, motor 9 quits work.Now, multistation drill point power head device 1 starts again to process magnetic bar 17, completes a working cycles.
The Horizontal multi-station accurate digital control drilling machine of novel processing magnetic bar of the present invention not only realize multistation simultaneously, steady ordered and processing efficiently, and successfully realize the automation of 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 can be made to process simultaneously, working (machining) efficiency improves greatly, and electro spindle 13 inside of multistation drill point power head device 1 li carries coolant flow channel, avoid drilling rod 14 temperature too high, burn out the magnetic bar 17 of processing.Automated exchanged cutter bar device 2 achieves the automated exchanged cutter of magnetic bar 17 in process, and this device is also the requisite part of automation realizing bar drilling work.Charging folder 4 can load multiple magnetic bar 17 simultaneously side by side, and after magnetic bar 17 is ejected by push rod 28, the next magnetic bar in charging folder 4 falls rapidly.Like this, the next workpiece of charging folder decline, bar chuck 18 clamps a workpiece, can complete discharging and charging fast, saves the blanking time, improves production efficiency.Feeding discharge ram device 7, feeding, discharging is carried out in the fixing period, while importantly push rod ejects magnetic bar 17, after material containing front platform 3, charging folder 4, material containing, stand 5 and pressure push-rod propulsive element 6 drive feeding by ball wire bar pair 8, at once feeding can be carried out after blanking, save and produce the dead time, improve 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 application claims.

Claims (5)

1. process a Horizontal multi-station accurate digital control drilling machine for magnetic bar, it is characterized in that: it comprises multistation drill point power head device (1), automated exchanged cutter bar device (2), material containing front platform (3), charging folder (4), stand (5), pressure push-rod propulsive element (6), feeding discharge ram device (7), ball wire bar pair (8), motor (9), lathe bed (10) after material containing;
The axis of multistation drill point power head device (1) drill bit aligns one by one with the bar center line on automated exchanged cutter bar device (2) respectively, automated exchanged cutter bar device (2) and material containing front platform (3), feed press from both sides (4), material containing after stand (5), pressure push-rod propulsive element (6) be connected successively, and being all seated on 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), rear stand (5) respectively; Multistation drill point power head device (1) and feeding discharge ram device (7) are separately fixed at lathe bed (10) both sides.
2. a kind of Horizontal multi-station accurate digital control drilling machine processing magnetic bar as claimed in claim 1, 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), electro spindle (13), drilling rod (14), drilling rod chuck binding nut (15), drilling rod chuck (16);
Semi-circular upper holder block (12) and semi-circular lower lock block (11) compress respectively and locate multiple electro spindle (13), make electro spindle (13) load drilling rod chuck (16) to be again connected with drilling rod (14), drilling rod (14) is clamped by drilling rod chuck binding nut (15) by drilling rod chuck (16); Electro spindle (13) inside used carries cooling system, has cooling water channel, cooling water following current can be made to drilling rod (14); The wiring of four electro spindle (13) is on same circuit, and the rotary rpm of all electro spindle (13) is unified to be controlled.
3. a kind of Horizontal multi-station accurate digital control drilling machine processing magnetic bar as claimed in claim 1, is characterized in that: described automated exchanged cutter bar device (2) is constructed as follows: this device comprises bar chuck (18), chuck changes the outfit cover (19), chuck pressing plate (20), chuck clamping cap (21), base of the carrier head (22), material feeding guide sleeve (23), fastening spring guide pin bushing (24), fastening spring (25), pressing plate pull bar (32), clamping force adjusting nut (33), adjustment pressure push-rod (34);
Bar chuck (18) side connecting clip clamping cap (21), chuck clamping cap (21) is provided with convex shoulder and withstands on chuck and to change the outfit cover (19) side, and the chuck cover (19) that changes the outfit then is fixedly connected on chuck pressing plate (20) by screw thread; The opposite side connecting clip seat (22) of bar chuck (18), 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 material feeding guide sleeve (23), and ensure the axis of material feeding guide sleeve (23) and bar chuck (18) central axis align;
Pressing plate pull bar (32) is through material containing front platform (3), and in the side of pressing plate pull bar (32) by thread connection chuck pressing plate (20), opposite side is threaded connection adjustment pressure push-rod (34); Pressing plate pull bar (32) is provided with the clamping force adjusting nut (33) for regulating fastening spring (25) clamping degree; Pressing plate pull bar (32) is inserted in fastening spring (25), the side of fastening spring (25) withstands on material containing front platform (3), between fastening spring (25) and material containing front platform (3), be provided with fastening spring guide pin bushing (24), opposite side then withstands on clamping force adjusting nut (33) simultaneously.
4. a kind of Horizontal multi-station accurate digital control drilling machine processing magnetic bar as claimed in claim 1, 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), Compress Spring (29), block (30), push rod stand (31);
Block (30) is bolted the side being fixed on push rod stand (31), push rod (28) is respectively charged in installing hole corresponding to push rod stand (31), push rod (28) side connects Compress Spring (29), then makes push rod (28) put into push rod guide pin bushing (27) and lead to push rod (28) together with Compress Spring (29); For anti-throw-out lever (28) is under pressure excessive and destroy, add the pressure that Compress Spring (29) comes damper push rod (28).
5. a kind of Horizontal multi-station accurate digital control drilling machine processing magnetic bar as claimed in claim 1, is characterized in that: described pressure push-rod propulsive element (6) is constructed as follows: this device comprises rolling bearing (35), axle sleeve (36), bearing (37), minor axis axle sleeve (38), swing link bracket (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 bushing (36), and with axle (41) matched in clearance, axle (41) side is provided with the shaft shoulder, the free degree of its axis fixed by opposite side axle circlip (42), and is connected to the upper end of lever arm (45); Minor axis (44) is inserted at lever arm (45) middle part, minor axis (44) and bearing (37) matched in clearance, bearing (37) both sides connect minor axis axle sleeve (38), minor axis (44) side is provided with the shaft shoulder, and the free degree of its axis fixed by opposite side minor axis circlip (43); Major axis (40) is put in the lower end of lever arm (45), and connect swing link bracket (39), make lever arm (45) swingable, major axis (40) side is provided with the shaft shoulder, and opposite side major axis back-up ring (46) fixes the free degree of its axis.
CN201310090214.8A 2013-03-20 2013-03-20 Horizontal multi-station precision digital controlled drill for processing magnetic bars Expired - Fee Related CN103182542B (en)

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Publication number Priority date Publication date Assignee Title
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
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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