CN103068507B - Crankshaft processing device - Google Patents

Crankshaft processing device Download PDF

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Publication number
CN103068507B
CN103068507B CN201180040460.1A CN201180040460A CN103068507B CN 103068507 B CN103068507 B CN 103068507B CN 201180040460 A CN201180040460 A CN 201180040460A CN 103068507 B CN103068507 B CN 103068507B
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China
Prior art keywords
axle
cutter
cutter drum
motor
swinging
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Active
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CN201180040460.1A
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Chinese (zh)
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CN103068507A (en
Inventor
铃木武之
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OMATSU NTC CORP
Komatsu NTC Ltd
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OMATSU NTC CORP
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/06Milling crankshafts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

The disclosed device simplifies the drive mechanism of a cutter drum in a crankshaft milling machine, and limits costs. The crankshaft milling machine is provided with: a pair of work heads (3), a swing head (14) and a cutter drum drive mechanism (25). The pair of work heads (3) are arranged facing one another along a first shaft (1) which is the main shaft, and support a crankshaft. The swing head (14) is arranged between the pair of work heads (3), has a cutter drum (21) for processing the crankshaft passing through the inner section thereof, is capable of swinging centred on a swing shaft (12) parallel to the first shaft, and is capable of moving along a second shaft which is orthogonal to the first shaft. The cutter drum drive mechanism (25) comprises, on the swing head (14), a drive shaft (30), which is arranged so as to be offset from the swing shaft (12) of the swing head (14), and a cutter drive motor (31) which rotates the drive shaft (30); and the cutter drum drive mechanism (25) drives the cutter drum (21).

Description

Crankshaft processing device
Technical field
The present invention relates to a kind of crankshaft processing device, particularly the crankshaft processing device for the axle journal of bent axle is processed.
Background technology
As the bent axle that engine etc. is used, carry out the processing unit (plant) of machining, use be crankshaft miling machine.This crankshaft miling machine comprises and is arranged on base with a pair of workbench at the both ends of holding workpieces and is disposed at the knife unit of between two workbench, workpiece being processed.
Knife unit comprises the mobile saddle freely of length direction (Z-direction) along base, and on this saddle, be equiped with to the orthogonal mobile slide block freely of Y direction (depth direction) of Z axis.And, on this slide block, swinging head being installed, an end of described swinging head swings when being supported on swinging axle freely, and the other end is by being arranged at swing mechanism (X-direction) swing along the vertical direction on this slide block.
In swinging head, be provided with the cutter drum (カ ッ タ De ラ system) being rotated by motor, on cutter drum, via tool adapter, cutter be installed.This cutter consists of in multiple cutter heads of the interior perimembranous of tool bodies tool bodies and the arranged spaced spaced apart in the circumferential direction of ring-type.The groove at the axle journal both ends of the axle journal outer peripheral face of cutter head to workpiece, workpiece etc. carries out machining.
At particularly Fig. 5 of patent document 1() in the driving mechanism for making cutter drum rotation is disclosed in this device.In this driving mechanism, at the swinging axle internal rotating of swinging head, be supported with freely driving shaft, in one end of driving shaft, be fixed with the first gear and the other end is fixed with the second gear.The first gear engages with the driven wheel of the output shaft that is fixed on cutter drives motor.In addition, between cutter drum and driving shaft, be provided with idler shaft, on this idler shaft, rotation is supported with the idle pulley engaging with the second gear freely.Idle pulley engages with the driven gear that is arranged at cutter drum periphery.
In driving mechanism as above, from cutter drives, with the rotary driving force of motor output shaft, via driven wheel, the first gear, driving shaft, the second gear, idle pulley and driven gear, be delivered to cutter drum, by cutter drives, with motor, rotarily actuate cutter drum.
Prior art document
Patent documentation
Patent documentation 1:(Japan) JP 2008-49407 communique (Fig. 5)
Summary of the invention
The technical task that invention will solve
Cutter drum driving mechanism shown in patent documentation 1 has the driving shaft concentric with swinging axle in the swinging axle internal configurations of swinging head.This existing driving mechanism formation complexity and cost are high.That is, swinging axle and cutter drum driving shaft need to be supported with the relative rotation, cause the formation for supporting each axle to become complicated.In addition, in the internal configurations of swinging axle, have driving shaft, can not make cutter drives motor approach cutter drum, therefore need the driving shaft of growing.In addition, for fear of the interference between motor and other structures for cutter drives, need to make motor more depart from driving shaft, thereby need gear row.
In addition, in existing device, as mentioned above, in the swinging axle internal configurations of swinging head, there is driving shaft, be therefore difficult to the center configuration cutter drives motor away from swinging axle.On the other hand, on slide block, be provided with the peristome of workbench inleakage, therefore, in order to prevent from the smear metal of dispersing of this peristome, the cover of the use of need to anti-smear metal dispersing.
In situation as above, when slide block moves along Y direction, swinging head swings along X-direction, and therefore cutter drives likely disturbs anti-smear metal to disperse with cover with motor.
Therefore,, in existing device, the disperse cover of use of anti-smear metal is made to coiling type, along with the movement of slide block and swinging head is batched cover or uncoiling.Utilize this cover can avoid the interference between this cover and cutter drives motor, but have the high problem of cost of cover.
Problem of the present invention is, simplifies the driving mechanism of cutter drum, suppresses cost.
Another problem of the present invention is, even make in fixed situation at the cover of use that anti-smear metal is dispersed, cover and cutter drives also can not be disturbed with motor.
For the technical scheme of technical solution problem
The crankshaft processing device of the first invention, for the axle journal of bent axle is processed, comprises base, a pair of workbench, swinging head, cutter drum driving mechanism.A pair of workbench is that the first axle is relatively configured on base and to bent axle and supports along main shaft.Swinging head is configured between a pair of workbench and has the cutter drum of processing running through its inner bent axle.In addition, swinging head is swingable and along removable with orthogonal the second axle of the first axle centered by the swinging axle parallel with the first axle.Cutter drum driving mechanism is arranged on swinging head and to cutter drum and drives.This cutter drum driving mechanism has the cutter drives motor that is configured to the driving shaft of the swinging axle that departs from swinging head and makes driving shaft rotation.
In this device, by a pair of stage support bent axle.This bent axle runs through the cutter drum inside of swinging head.Swinging head swingable and with the orthogonal direction of the axle of bent axle on removable.The processing of bent axle is swing and mobile the carrying out of cutter drum by swinging head.Now, cutter drum by depart from swinging head swinging axle driving shaft and the motor of driving shaft rotation is driven.
At this, the driving shaft that is configured in swinging axle inside in existing apparatus is biased in the position separating with swinging axle.Therefore, for the formation that supports swinging axle and driving shaft, be simplified.In addition, owing to can making driving shaft away from swinging axle, therefore can make the motor of rotating driveshaft away near other structures swinging axle, thereby avoid the interference between them.Therefore, can make cutter drives motor approach cutter drum on the first direction of principal axis, compared with existing apparatus, can shorten the size of driving shaft.In addition, without by driving shaft and motor with orthogonal the second direction of principal axis of the first axle on separate, thereby the gear that need to not arrange between driving shaft and motor in existing apparatus row.
The crankshaft processing device of the second invention on the basis of the device of the first invention, cutter drum driving mechanism also comprise be fixed on driving shaft pinion, be arranged at the drum gear in the periphery of cutter drum and the rotation of pinion be delivered to the idle pulley of drum gear.
At this, the rotation of driving shaft is delivered to drum gear from pinion via idle pulley, thereby makes cutter drum rotation.Therefore, driving shaft can be configured on the optional position away from swinging axle.
The crankshaft processing device of the 3rd invention is on the basis of the device of the second invention, and motor has output shaft and output shaft is configured to driving shaft concentric.
In this case, the formation of cutter drum driving mechanism is further simplified.
The crankshaft processing device of the 4th invention is on the basis of the device of the second invention, and motor is configured in the opposition side of cutter drum on the second direction of principal axis across swinging axle.
At this, motor is configured in the opposition side of cutter drum across swinging axle, balance weight performance function when therefore conduct swings swinging head.Therefore, can remove the balance weight that the balance of the swinging head arranging in existing apparatus is used, or Miniaturizable.
The crankshaft processing device of the 5th invention, on the basis of the device of the second invention, also comprises saddle, slide block and fixed cover.Saddle moves freely on the first direction of principal axis with respect to base.Slide block is provided with swinging head, and has the peristome running through for a part for workbench, along the second axle, moves and is supported in freely on saddle.Fixed cover is fixed in saddle and stops up the peristome of slide block.And motor is not installed in swinging head with the position of fixed cover interference in motor movable range.
At this, the driving shaft of cutter drum driving mechanism is configured away from swinging axle, and in addition, motor is configured in not and the anti-smear metal position that the cover of use disturbs of dispersing.Therefore, the cover consisting of can be made to fixed cover in existing apparatus coiling type, thus cost that can implement device.
Invention effect
In the present invention as above, can simplify the driving mechanism of cutter drum and can suppress cost.In addition, the cover of the use of anti-smear metal can being dispersed is made fixed, thereby further suppresses cost.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of the crankshaft miling machine of an embodiment of the present invention.
Fig. 2 is the profile of cutter drum driving mechanism.
Fig. 3 is the front schematic view of cutter drum driving mechanism.
Fig. 4 is the figure for the position relationship of slide block, the cutter motor moving and fixed cover is described.
The specific embodiment
[ overall formation ]
Fig. 1 is the stereoscopic figure of the crankshaft processing device of an embodiment of the present invention.This crankshaft processing device is the device that is known as crankshaft miling machine with inner edge formula rotary cutter.
This crankshaft miling machine 1 comprises base 2, in mode respect to one another, is configured in a pair of workbench 3 on base 2, is disposed at the first knife unit 4a and the second knife unit 4b between a pair of workbench 3.
[ workbench ]
A pair of workbench 3 supports the two ends of the bent axle as workpiece.On the end face separately (opposite face) of a pair of workbench 3, be provided with the chuck (not shown) that bent axle is clamped.
[ knife unit ]
Each knife unit 4a, 4b comprise saddle 10 and are arranged on the slide block 11 on this saddle 10.
< saddle >
Saddle 10 utilizes length direction (first axle (main shaft) direction=Z-direction) upper move freely of Z axis feed mechanism at base 2.Z axis feed mechanism is well-known mechanism, therefore detailed.Z axis feed mechanism has and is fixed on the nut part of saddle 10, along Z axis, extends and the ball-screw screwing togather with nut part and the Z axis feed motor linking with this ball-screw.And, by making ball-screw carry out positive and negative rotation by Z axis feed motor, can make saddle 10 move along Z-direction.
< slide block >
Each slide block 11 utilize Y-axis feed mechanism with orthogonal Y-axis (the second axle) direction (depth direction of base 2) of Z axis upper mobile freely.This slide block 11 has the longitudinal supporting wall 11a extending along Y-axis.An end at abutment wall 11a is provided with swinging axle 12, and in the other end of abutment wall 11a, is provided with the housing 11b of the square tube shape extending along vertical.Y-axis feed mechanism is well-known mechanism, has to be fixed on the nut part of slide block 11, along Y-axis, to extend and the ball-screw screwing togather with nut part and the Y-axis feed motor that is linked with this ball-screw.And, by making ball-screw carry out positive and negative rotation by Y-axis feed motor, can make slide block 11 move along Y direction.
-swinging head-
On each slide block 11, swinging head 14 is installed.One end of swinging head 14 is supported on swinging axle 12 and the other end is supported in the guiding parts 13 in housing 11b sliding freely along Y direction.
Guiding parts 13 moves up and down freely in housing 11b.Specifically, on guiding parts 13, be fixed with nut part 15.And nut part 15 screws togather with ball-screw 16, this ball-screw 16 extends in the X-axis being arranged at along the vertical direction in housing 11b.Ball-screw 16 links with the X-axis wobbling motor (AC servomotor) 17 of the Z-direction side that is installed on housing 11b.
According to formation as above, ball-screw 16 carries out positive and negative rotation by X-axis wobbling motor 17, and thus, swinging head 14 waves centered by swinging axle 12 on above-below direction (X-direction).
-cutter drum-
As shown in Figure 2, in the inside of swinging head 14, via bearing 19, rotate and be supported with freely cutter drum 21.The peristome 21a by machine table side (downside in Fig. 2) at cutter drum 21 is above provided with cutter 23 via tool adapter 22.Cutter 23 has the tool bodies 23a of ring-type and arranged spaced spaced apart in the circumferential direction in multiple cutter heads (not shown) of the interior perimembranous of this tool bodies 23a.
[ cutter drum driving mechanism ]
On swinging head 14, be provided with the cutter drum driving mechanism 25 for driving cutter drum 21.What Fig. 2 represented is the profile of cutter drum driving mechanism 25, and what Fig. 3 represented is its front view.It should be noted that, Fig. 3 is the allocation plan that schematically represents the each parts that form cutter drum driving mechanism 25, for cutter drum driving mechanism 25 is described, has omitted unnecessary formation.
Cutter drum driving mechanism 25 has driving shaft 30, motor (being designated hereinafter simply as cutter motor) 31 and the gear row 32 that comprise multiple gears for cutter drives.
As shown in Figure 3, driving shaft 30 departs from swinging axle 12.That is, driving shaft 30 is parallel with swinging axle 12, is disposed at the top of swinging axle 12 and than the more close outside of swinging axle 12 (away from a side of cutter drum 21).This driving shaft 30 is rotated freely supporting via bearing 34 by swinging head 14.
Cutter motor 31 is fixed on the face 14a of the opposition side of the machine table of swinging head 14.In addition, it is concentric with driving shaft 30 that cutter motor 31 is configured to its output shaft 31a.Output shaft 31a and the driving shaft 30 of cutter motor 31 are linked by shaft coupling 35.
Gear row 32 have pinion 36, drum gear 37 and idle pulley 38.Pinion 36 is fixed on the front end of driving shaft 30.Drum gear 37 is fixed on the periphery of cutter drum 21.In addition, idle pulley 38 and pinion 36 and drum gear 37 are nibbled to be incorporated between two gears 36,37 and are transmitted and rotate.Idle pulley 38 is fixed on the front end of idler shaft 41.Idler shaft 41 is rotated freely and is supported by swinging head 14 by bearing 40.
[ work support ]
As shown in Figure 1, in two knife unit 4a, 4b on the saddle 10 of the second knife unit 4b, to keep the state of certain relative position to be fixed with work support 20 with knife unit 4b.Therefore,, along with the movement of saddle 10, knife unit 4b and work support 20 together move.Though this work support 20 has been omitted to detailed description, but be configured to when the crank-pin axle journal of machining crankshafts, for clamping and the trunnion of processing department adjacency, thereby supporting crankshaft does not vibrate its work in-process.
[ anti-smear metal is dispersed with cover ]
As shown in Figure 4, in the substantial middle portion of slide block 11, be formed with the peristome 11c that workbench 3 runs through.And when the bent axle being clamped by workbench 3 being cut by cutter drum 21, the smear metal that cutting generates is mainly dispersed to the opposition side of machine table.For this smear metal of not making to disperse is through the peristome 11c of slide block 11 and further disperse to outside, be provided with the disperse cover 43 of use of a pair of anti-smear metal.
Each cover 43 is disposed at respectively the rear (opposition side of swinging head 14) of slide block 11.In more detail, workbench 3 has the rear portion 3a representing with trapezoidal shape in the leading section, Fig. 1 that is provided with chuck and is arranged at pars intermedia 3b(between the two with reference to Fig. 4).And the pars intermedia 3b of workbench 3 runs through the opening 11c of slide block 11.Cover 43 is formed as the case shape of axial both ends open, and bottom is fixed in saddle 10 and covers pars intermedia 3b and the rear portion 3a of workbench 3.In addition, the top of this cover 43 has rake in a side that disposes cutter motor 31, thereby has avoided the interference between this cover 43 and cutter motor 31.
In Fig. 4, the position while representing that with double dot dash line slide block 11 and cutter motor 31 move along Y-direction.In addition, the shift position of opening 11c also represents with double dot dash line.Like this, in the present embodiment, even if slide block 11 and cutter motor 31 move along Y direction, anti-smear metal is dispersed and also can not disturbed with cutter motor 31 with covering 43.
[ action ]
The processing action of bent axle is the same with the processing action of existing crankshaft miling machine.That is, the clamping of work support 20 to bent axle and unclamp and controlled, in addition, controls the Working position of two knife unit 4a, 4b, and multiple trunnions and crank-pin axle journal are cut.It should be noted that, sometimes also the outer peripheral face of counterweight is processed.In addition, the Working position of knife unit 4a, 4b is by making saddle 10 move to control by Z axis feed mechanism.For the processing of each axle journal, by being made slide block 11 move along Y direction by Y-axis feed mechanism when, by X-axis feed mechanism, swinging head 14 is swung and carry out.
In above-mentioned processing, the rotation of cutter motor 31 is delivered to driving shaft 30 via motor output shaft 31a and shaft coupling 35.The rotation of driving shaft 30 is delivered to drum gear 37 by pinion 36 and idle pulley 38.Thus, cutter drum 21 is rotated, and the cutter 23 that is installed on interior perimembranous cuts bent axle.
Adding man-hour, as mentioned above, by the work of Y-axis feed mechanism and X-axis feed mechanism, in the movable range that cutter motor 31 represents with double dot dash line in Fig. 4, moving.The movable range of this cutter motor 31 is more away from the region of main shaft than the existing apparatus that is provided with driving shaft in the inside of swinging axle.Particularly, the movable range of cutter motor 31 runs through the peristome 11a of use significantly away from the workbench that is arranged at slide block 11.Therefore,, even if be fixedly installed the disperse cover 43 of use of the anti-smear metal that is formed as case shape on saddle 10, this fixed cover 43 and cutter motor 31 also can not disturb.
[ feature ]
(1) driving shaft 30 of cutter drum driving mechanism 25 departs from swinging axle 12 and is arranged on other positions.Therefore, for the formation that supports swinging axle 12 and driving shaft 30, be simplified.
(2), except driving shaft 30 and swinging axle 12 are configured to dividually, because cutter motor 31 is directly fixed on the side of swinging head 14, therefore do not need to run through in existing apparatus the axle of swinging axle inside, thereby can further simplify formation.In addition, can shorten the size in the first axle (main shaft) direction.
(3) driving shaft 30 is configured away from swinging axle 12 and with this driving shaft 30 mounting cutter motor 31 with one heart, therefore easily avoid the interference between near other structures cutter motor 31 and swinging axle 12.In addition, without driving shaft 30 and cutter motor 31 are separated, thereby do not need the gear row that are provided with in existing apparatus between driving shaft 30 and cutter motor 31.
(4) cutter motor 31 is configured in the opposition side of cutter drum 21 across swinging axle 12, balance weight performance function when therefore 31 conducts of cutter motor swing swinging head 14.Therefore, can remove the balance balance weight of swinging head 14, or Miniaturizable.
(5) because driving shaft 30 departs from swinging axle 12 and cutter motor 31 can be left to swinging axle 12 and configures, therefore work in-process, cutter motor 31 not can with disturb the disperse cover 43 of use of anti-smear metal and disturb.Therefore, anti-smear metal can be dispersed to it is fixed with cover 43, to make, more economical compared with the coiling type cover of existing apparatus.
[ other embodiments ]
The present invention is not limited to embodiment as above, in not departing from the scope of the present invention, can carry out various distortion or correction.
(a) the present invention is characterized in, the driving shaft of cutter drum driving mechanism is configured to depart from swinging axle this point, and the concrete configuration of each component parts is not limited to the configuration shown in above-mentioned embodiment.
(b) in the above-described embodiment, by cutter motor configurations, be concentric with driving shaft, but also can be by cutter motor configurations for departing from driving shaft.
Industrial applicibility
In this crankshaft processing device, can simplify the driving mechanism of cutter drum and suppress cost.In addition, the cover of the use of anti-smear metal can being dispersed is made fixed, thereby further suppresses cost.
Symbol description
1 crankshaft miling machine
2 bases
3 workbench
4a, 4b knife unit
10 saddles
11 slide blocks
11c peristome
12 swinging axles
14 swinging heads
21 cutter drums
25 cutter drum driving mechanisms
30 driving shafts
31 cutter motor
35 shaft couplings
36 pinions
37 drum gears
38 idle pulleys
43 anti-smear metals are dispersed with cover

Claims (4)

1. a crankshaft processing device, is characterized in that, for the axle journal to bent axle, processes, and comprising:
Base;
A pair of workbench, it is that the first axle is relatively configured on described base along main shaft, and bent axle is supported;
Swinging head, it is configured between described a pair of workbench, has the cutter drum of processing running through its inner bent axle, and can swing centered by the swinging axle parallel with described the first axle, can be along moving with orthogonal the second axle of described the first axle;
Cutter drum driving mechanism, it drives described cutter drum, is arranged at described swinging head, has the motor that is configured to the driving shaft of the swinging axle that departs from described swinging head and makes described driving shaft rotation;
Saddle, it moves freely along described the first direction of principal axis with respect to described base;
Slide block, it is provided with described swinging head, and has the peristome running through for a part for workbench, along described the second axle, moves and is supported in freely on described saddle;
Fixed cover, the peristome that it is fixed in described saddle and stops up described slide block;
Described motor is not installed in described swinging head with the position of described fixed cover interference in motor movable range.
2. crankshaft processing device as claimed in claim 1, is characterized in that,
Described cutter drum driving mechanism also comprise be fixed on described driving shaft pinion, be arranged at the drum gear of described cutter drum periphery and the rotation of described pinion be delivered to the idle pulley of described drum gear.
3. crankshaft processing device as claimed in claim 2, is characterized in that,
Described motor has output shaft, and described output shaft is configured to described driving shaft concentric.
4. crankshaft processing device as claimed in claim 2, is characterized in that,
Described motor is configured in the opposition side of described cutter drum on described the second direction of principal axis across described swinging axle.
CN201180040460.1A 2010-06-24 2011-06-22 Crankshaft processing device Active CN103068507B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010143884A JP5113883B2 (en) 2010-06-24 2010-06-24 Crankshaft machining equipment
JP2010-143884 2010-06-24
PCT/JP2011/064210 WO2011162276A1 (en) 2010-06-24 2011-06-22 Crankshaft processing device

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Publication Number Publication Date
CN103068507A CN103068507A (en) 2013-04-24
CN103068507B true CN103068507B (en) 2014-05-07

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JP (1) JP5113883B2 (en)
KR (1) KR101286489B1 (en)
CN (1) CN103068507B (en)
DE (1) DE112011102105B4 (en)
WO (1) WO2011162276A1 (en)

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CN2208999Y (en) * 1994-07-25 1995-10-04 湖北省孝感市科技开发中心 Special milling machine for working crankshaft
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CN2208999Y (en) * 1994-07-25 1995-10-04 湖北省孝感市科技开发中心 Special milling machine for working crankshaft
CN2602860Y (en) * 2003-03-21 2004-02-11 湖北省孝感市伟翔机械设备制造有限责任公司 Milling machine for crankshaft
CN201036814Y (en) * 2007-04-06 2008-03-19 齐重数控装备股份有限公司 Numerically controlled heavy crankshaft whirlwind cutting machine tool

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JP特开2002-337014A 2002.11.26
JP特开2008-49407A 2008.03.06
JP特开平11-90717A 1999.04.06
JP特开平6-143019A 1994.05.24

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Publication number Publication date
KR20130018946A (en) 2013-02-25
DE112011102105B4 (en) 2019-08-08
DE112011102105T5 (en) 2013-05-08
JP5113883B2 (en) 2013-01-09
KR101286489B1 (en) 2013-07-16
CN103068507A (en) 2013-04-24
JP2012006109A (en) 2012-01-12
WO2011162276A1 (en) 2011-12-29

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