CN102179426B - Apparatus for correcting and possess and implement by this apparatus for correcting the linear motion guide device of parts correcting processing - Google Patents
Apparatus for correcting and possess and implement by this apparatus for correcting the linear motion guide device of parts correcting processing Download PDFInfo
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- CN102179426B CN102179426B CN201010623824.6A CN201010623824A CN102179426B CN 102179426 B CN102179426 B CN 102179426B CN 201010623824 A CN201010623824 A CN 201010623824A CN 102179426 B CN102179426 B CN 102179426B
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Abstract
The invention provides a kind of apparatus for correcting and possess and implement by this apparatus for correcting the linear motion guide device of parts correcting processing, described apparatus for correcting high efficiency the and accurately distortion produced in shaft-like workpiece being corrected.Apparatus for correcting (30) possesses: shaft-like workpiece (11) multiple somes places are axially carried out the multiple work piece holders (45) be fixedly clamped, possess and contact with shaft-like workpiece (11), keep out of the way contact (48a) freely and the measurement sensor (48) that the deflection of shaft-like workpiece (11) is measured, the deflection measured according to measurement sensor (48) applies pressing force to shaft-like workpiece (11) thus carries out the pressure roller as pressing piece (43) of the rectification of shaft-like workpiece (11) with work piece holder (45) acting in conjunction, wherein pressure roller (43) carries out circular motion limit by limit and presses shaft-like workpiece (11), and the pressing force based on face contact is applied to shaft-like workpiece (11).
Description
Technical field
The present invention relates to the apparatus for correcting used when the distortion being such as the shaft-like workpiece of representative with straight line guiding rail track etc. is corrected, and possess the linear motion guide device being implemented the parts correcting processing by this apparatus for correcting.
Background technology
The existing general apparatus for correcting used when correcting the distortion of shaft-like workpiece is such as configured to, the deflection of shaft-like workpiece is detected by the detection head be arranged in device for straightening curved, and by visual make the position consistency of position and the polishing head corrected after, undertaken pressurizeing, correcting by this polishing head.
In addition, in the prior art relevant with apparatus for correcting, also exist above-mentioned apparatus for correcting automation, and expeditiously to the apparatus for correcting that the distortion produced in shaft-like workpiece is corrected.The object lesson of this automation apparatus for correcting is such as open by following patent document 1, its concrete structure is as follows: the device for straightening curved possess the bending bending analyzer of measurement shaft-like workpiece (in following patent document 1 record for long size steel), correcting to the distortion of shaft-like workpiece and control part, this control part receives the measurement result coming from bending analyzer, and calculate the position that should correct of shaft-like workpiece and rectification order and correct amount according to this measurement result and make correction for direction, and control device for straightening curved by this result of calculation.And, according to this structure, when shaft-like workpiece is positioned on device for straightening curved, detects this shaft-like workpiece and whether exist bending, if exist bending, then measure and there is bending position and amount of bow, and this measured signal is delivered to control part.Control part calculates according to described measured signal position and rectification order and correct amount that this shaft-like workpiece should correct and makes correction for direction.And detect that bending shaft-like workpiece is transported to device for straightening curved by bending analyzer, the result of calculation according to control part carries out automatic straightening to bending.
Patent document 1: Japanese Unexamined Patent Publication 1-309724 publication
But described existing apparatus for correcting is configured to be undertaken pressurizeing, correcting by the polishing head that moves up in the side perpendicular with the axial direction of any shaft-like workpiece, the pressurization of shaft-like workpiece, corrective force are applied with point cantact all the time.Therefore, when using existing rectifier to correct, owing to must plus-pressure be concentrated on a bit, such as, when offering the shaft-like workpiece etc. of open pore at predetermined intervals, if the amount of pressurization mistake that polishing head applies, then there is danger shaft-like workpiece being fractureed because of concentrfated load.Therefore, in existing apparatus for correcting, prudent control that must be corresponding with deflection is applied to the amount of pressurization on shaft-like workpiece by polishing head, therefore need the more activity duration to adjust etc.
In addition, because shaft-like workpiece is the strip parts in the longitudinal direction with length, become very difficult thing so correct the distortion in whole length according to applying plus-pressure at multiple positions point cantact, this operation there very is not efficiency.Further, when wanting to eliminate such as with the shaft-like workpiece of the small distortion that is representative such as linear guide rail track and so on, being difficult to when using the apparatus for correcting of prior art to meet and carrying out the rectification of being out of shape with required precision.
Summary of the invention
The present invention is formed in view of existing described problem, and its object is for providing a kind of new apparatus for correcting, and this apparatus for correcting all efficiently and accurately can correct the distortion of this shaft-like workpiece generation to the shaft-like workpiece with arbitrary shape.The present invention also aims to provide a kind of and possess the linear motion guide device being implemented the parts correcting processing by this apparatus for correcting.
The apparatus for correcting that the present invention relates to, possesses: shaft-like workpiece multiple somes places are axially carried out the multiple work piece holders be fixedly clamped; Possess and contact with described shaft-like workpiece, keep out of the way contact freely and the measurement sensor that the deflection of described shaft-like workpiece is measured; According to the deflection that described measurement sensor measures, pressing force is applied to described shaft-like workpiece, thus carry out the pressing piece of the rectification of described shaft-like workpiece with described work piece holder acting in conjunction, the feature of described apparatus for correcting is, described pressing piece carries out circular motion limit by limit and presses described shaft-like workpiece, and applies the pressing force based on face contact to described shaft-like workpiece.
Invention effect
According to the present invention, a kind of apparatus for correcting of novelty can be provided, it all efficiently and accurately can correct the distortion of this shaft-like workpiece generation to the shaft-like workpiece with various shape, and the present invention can also be provided a kind of and possess the linear motion guide device being implemented the parts correcting processing by this apparatus for correcting.
Accompanying drawing explanation
Figure 1A is partly cut-away's stereo appearance figure of the structure of linear motion guide device for illustration of the track component with the shaft-like workpiece corrected as the apparatus for correcting by present embodiment (rail track).
Figure 1B is the longitudinal sectional view of the internal structure for illustration of the linear motion guide device shown in Figure 1A.
Fig. 2 is the integrally-built outward appearance front view representing the apparatus for correcting that the first embodiment relates to.
Fig. 3 is the major part front view of the major part of apparatus for correcting for illustration of the first embodiment.
Fig. 4 is the brief perspective views of the elemental motion of apparatus for correcting for illustration of the first embodiment.
Fig. 5 is the integrally-built outward appearance top view of the apparatus for correcting for illustration of the second embodiment.
Fig. 6 is the figure of the structure of the carrying-station possessed for illustration of the apparatus for correcting of the second embodiment, and wherein component (a) is top view, and component (b) is front view.
Fig. 7 is the three-face view of the formation representing the determining displacement unit that the carrying-station shown in Fig. 6 possesses, and wherein component (a) is top view, and component (b) is left view, and component (c) is rearview.
Fig. 8 is the outward appearance top view representing the apparatus for correcting main body that the apparatus for correcting that the second embodiment relates to possesses.
Fig. 9 is that A in depiction 8 is to the sectional view looked.
Description of reference numerals
10 non-loaded rolling element raceway 25 direction transduction pathway 30,50 apparatus for correcting 33,53 determining displacement unit 42 arm member 43,63 pressure roller 45 work piece holder 48 measurement sensor 48a contact 62 travel mechanisms of linear motion guide device 11 rail track 11a rolling element track groove 12 ball 13 movable block 13c load rolling element track groove 22 load rolling element raceway 23
Detailed description of the invention
Below, accompanying drawing is used to illustrate for implementing preferred forms of the present invention.And following embodiment not limits the invention that each claim relates to, in addition, be not limited to all to comprise the combination of feature illustrated in present embodiment as solution technological means of the present invention.
(about shaft-like workpiece)
First, carry out being described the form of the shaft-like workpiece of the object of correction as apparatus for correcting of the present embodiment.Shaft-like workpiece of the present embodiment as shown in Figure 1A and 1B, is the rail track 11 of track component used in the linear motion guide device 10 that guides as straight line.This linear motion guide device 10 is device well known in the prior art, and it is as the element parts in the rectilinear motion portion of light correctly mechanically moving.Relevant linear motion guide device 10 is configured to possess rail track 11 and movable block 13, and this movable block 13 is via multiple ball 12 arranged as rotor ... move back and forth the moving body be arranged on freely on rail track 11.
Rail track 11 with the section shape in the form of a substantially rectangular of its length direction orthogonal direction, and for have the middle body undergauge in two sides recess shape formed rectangular steel, at its surface (upper surface two ends and two sides adjacent upper part) upper rolling element track groove 11a ... whole length along the length direction of rail track 11 is formed, track when this rolling element track groove 11a rolls as ball 12.
On the other hand, movable block 13 comprises: the movable block main part 13a be made up of metal material, a pair end plate 13b, 13b being made up of resin material of arranging relative to the both ends of the surface of the moving direction of movable block 13a.Load rolling element track groove 13c ... respectively with rolling element track groove 11a ... corresponding position is arranged on movable block main part 13a.By the rolling element track groove 11a of rail track 11 ... and the load rolling element track groove 13c that movable block main part 13a is formed ... form load rolling element raceway 22, import to the multiple balls 12 in this path ... while bear load limit rolling.In addition, movable block main part 13a possesses and load rolling element track groove 13c ... the non-loaded rolling element raceway 23 extended in parallel.And, link each non-loaded rolling element raceway 23 ... with each load rolling element raceway 22 ... direction transduction pathway 25 ... be separately positioned on a pair end plate 13b, 13b.By a load rolling element raceway 22 and non-loaded rolling element raceway 23 and a pair direction transduction pathway 25,25 of linking them being combined, constitute an Infinite Cyclic path (with reference to Figure 1B).
And, by multiple ball 12 ... be set to can in the Infinite Cyclic path be made up of load rolling element raceway 22, non-loaded rolling element raceway 23 and a pair direction transduction pathway 25,25 Infinite Cyclic, movable block 13 can do relatively reciprocating motion relative to rail track 11.
In the linear motion guide device 10 with said structure, for bearing from multiple ball 12 ... the rail track 11 of rolling load, by to the rolling element track groove 11a comprising the track become when ball 12 rolls ... quenching processing is carried out in interior region, case hardness can be made to improve, and make it have wearability and life-extending.Although because the rail track 11 before now carried out quenching processing makes completion is subject to heat affecting, according to this quenching processing conditions, there will be the situation that the rail track after processing 11 produces distortion.
In addition, as shown in Figure 1A, the whole length of the length direction of rail track 11 is formed with at predetermined intervals the open pore 11b that multiple rail track is arranged.Described multiple open pore 11b utilizes when being used for the arranging of screw used in reliable trapped orbit guide rail 11, and adopt the instruments such as drilling machine to be formed due to this open pore 11b, therefore when processing this hole, rail track 11 produces distortion sometimes.
Apparatus for correcting of the present embodiment is for high efficiency and corrects the device that adopts of distortion that described quenching processing and perforate add road guide rail 11 generation in-orbit in man-hour accurately.Below, the concrete structure of apparatus for correcting of the present embodiment is described.In addition, to the shape of the rail track 11 of the shaft-like workpiece using Figure 1A and Figure 1B to illustrate, illustrate only known a kind of form, it should be noted that, the apparatus for correcting that the present invention relates to all can use any type of shaft-like workpiece.
(apparatus for correcting of the first embodiment)
Adopt Fig. 2 ~ Fig. 4 that the apparatus for correcting of the first embodiment is described.At this, Fig. 2 is the integrally-built outward appearance front view of the apparatus for correcting representing the first embodiment.Fig. 3 is the major part front view of the major part of apparatus for correcting for illustration of the first embodiment.In addition, Fig. 4 is the brief perspective views of the elemental motion of apparatus for correcting for illustration of the first embodiment.In addition, for the parts adopting Figure 1A and Figure 1B to illustrate, eliminate and illustrate and adopt same names and same-sign to be described.
The apparatus for correcting 30 of the first embodiment is mainly by carrying-station 31, apparatus for correcting main body 41 with take out of platform 51 and form.As the rail track 11 of object of correction after being placed on carrying-station 31, be sent to apparatus for correcting main body 41 one by one and in apparatus for correcting main body 41 accept correct after, relocate to and take out of platform 51, and transport operation below to as possessing desired linear rail track 11.
Carrying-station 31 is provided with the motor 32 as drive source, and described motor 32 is for being sent to apparatus for correcting main body 41 by rail track 11.The multiple conveying rollers be arranged in carrying-station 31 can be made to rotate and moving track guide rail 11 by this motor 32.In addition, near apparatus for correcting main body 41, be provided with determining displacement unit 33, by this determining displacement unit 33 can measure be sent to apparatus for correcting main body 41 correct before the displacement of whole length of rail track 11.The displacement measured by this determining displacement unit 33 is sent to not shown computer for controlling, is used for improving the efficiency of the remedial action that apparatus for correcting main body 41 is carried out.
Apparatus for correcting main body 41 as shown in more detail in Figure 3, entreats top position place to possess the rotary motion arm member 42 freely with pivot α wherein.The front end of this arm member 42 is provided with the pressure roller 43 as pressing piece applying pressing force by contacting with rail track 11 and correct rail track 11.Pressure roller 43 is arranged on the front end of arm member 42 with rotatable state.In addition, when the first embodiment, the orientation that the front end of arm member 42 is configured to as shown in Figure 3 clock is on one point home position.Arm member 42 after being rotated is set as the inevitable direction towards an o'clock, its leading section.But the home position of this arm member 42 can be set as the optional position in the scope of the movement not hindering rail track 11.
In addition, arm member 42 can be rotated centered by pivot a, and its pivot a is configured to move up freely at the upper and lower orthogonal with the axis of rail track 11.That is, arm member 42 is configured in the vertical direction while movement, also can be rotated at arbitrary upper-lower position place.Therefore, by making pivot a move according to the size of the pressing force be applied on rail track 11, and arm member 42 is rotated in the position of the pivot a of hope, thus the correct amount relative to rail track 11 can be adjusted.In addition, carry out above-mentioned action by arm member 42, circular motion limit pressing rail track 11 is carried out, therefore, it is possible to apply the pressing force based on face contact to rail track 11 in pressure roller 43 limit being arranged at its leading section.
Be provided with in the below of arm member 42 for carry as the rail track 11 of object of correction hold-down roller 44,44, position detection encoder 46 for work piece holder 45,45 that rail track 11 is fixedly clamped and the conveyance position that is used for measuring rail track 11.The hold-down roller 44,44 arranged in pairs and work piece holder 45,45 are configured in upstream side and the downstream of arm member 42 respectively.In addition, be separately positioned on that the hold-down roller 44 of upstream and downstream and two parts of work piece holder 45 can move with place at an arbitrary position on the throughput direction of rail track 11, i.e. paper left and right directions in figure 3, fixing mode is separately positioned on mobile stand 47,47.When the apparatus for correcting main body 41 of the first embodiment, mobile stand 47,47 preferably can adopt manually carry out moving, fixing, according to featured configuration such as the shape of the rail track 11 (shaft-like workpiece) as object of correction and materials in place.
In addition, when the apparatus for correcting main body 41 of the first embodiment, adopt and make arm member 42 rotary motion above rail track 11, make the structure that pressure roller 43 contacts with the upper surface face of rail track 11.Namely, owing to being configured to the mode applying pressing force from the top of rail track 11 (shaft-like workpiece) in vertical direction, therefore side roller is formed by the hold-down roller 44,44 for delivery track guide rail 11, pressing the side of rail track 11 while avoiding the pressing force for correcting, being configured to the form can carrying out accessible delivery track guide rail 11.In addition, work piece holder 45,45 is when the pressing force for correcting is applied on rail track 11, keep, trapped orbit guide rail 11 and with apply pressure roller 43 acting in conjunction of pressing force, carry out the rectification of rail track 11, therefore, it is possible to be configured to the upper and lower surface of rail track 11 to be fixedly clamped.And, the encoder 46 that position is detected is arranged on the downstream of the work piece holder 45 be positioned on the mobile stand 47 in downstream, being configured to while can avoiding the rail track 11 of the pressing force born for correcting, measuring the reliable transfer position of rail track 11.
And, be separately positioned on the middle lower position of mobile stand 47,47 (work piece holder 45,45) of upstream and downstream, and be provided with measurement sensor 48 in the lower position opposed with arm member 42 setting position by path relative to rail track 11.This measurement sensor 48 possesses and contacts relative to rail track 11, keeps out of the way contact 48a freely, and for measuring the bending device that rail track 11 produces in the scope be fixedly clamped by work piece holder 45,45.
At this, in the apparatus for correcting 30 that the first embodiment relates to, as mentioned above, the determining displacement unit 33 had by carrying-station 31 measures the displacement of the whole length of the rail track 11 before correcting in advance.Wherein, this displacement is for determining the position corrected of rail track 11 and finding the rectification position of rail track 11.On the other hand, the deflection existed in rail track 11 between the work piece holder 45,45 measured by measurement sensor 48, better for finding how many degree of being corrected by rail track 11, and based on the deflection measured by measurement sensor 48, the position of the pivot a of arm member 42 is changed, the pressing force being applied to rail track 11 is adjusted.In addition, these actions are undertaken automatically controlling to be achieved by not shown computer for controlling, namely by the positional information etc. of track 11 that computer for controlling (not shown) obtains the displacement obtained by determining displacement unit 33, the deflection measured by measurement sensor 48 and detected by position detection encoder 46, and the action control of each parts that apparatus for correcting 30 possesses is carried out according to these information.In addition, the drive source of the action of each parts that apparatus for correcting 30 possesses adopts servomotor can realize high-precision action control.
Be clamped fixing by the rail track 11 corrected in the position of regulation by work piece holder 45,45, press with the pressure roller 43 of face contact pressing owing to being carried out circular motion limit by the top side of position therebetween, therefore the centre position at the position that is fixedly clamped being subject to correcting pressing force is moved downwards, and surveys from the upstream, position that is fixedly clamped and downstream is moved upward.That is, with the position be fixedly clamped by work piece holder 45,45 for fulcrum, according to the pressing quantity of pressure roller 43, rectification work is carried out on rail track 11 limit arcuately curved edges.Apply to correct compared with the method for load by vertical point cantact in downward direction shown in this remedial action with prior art, due to can not by excessive load applying on object of correction thing, be difficult to therefore, it is possible to obtain the effect that occurs that flaw process, and can obtain and such as not easily produce fractureing or excessively correcting and the beneficial effect in bad order of mistake macrobending of rail track 11.
The downstream of the apparatus for correcting main body 41 related at the first embodiment described above is provided with and takes out of platform 51.What the first embodiment related to take out of, and free conveyer that platform 51 arranges by free roll is formed, and play receive correct terminate after the rail track 11 that transported by hold-down roller 44 etc. after concentrating, be delivered to the effect of operation below.
Above, the component parts of the apparatus for correcting 30 that the first embodiment relates to is illustrated.Below, the action of the apparatus for correcting 30 that the first embodiment relates to is described.
After being positioned in carrying-station 33 as object of correction rail track 11, being arranged on motor 32 that multiple conveying rollers in carrying-station 31 are possessed by carrying-station 31 and rotating, and rail track 11 is sent to apparatus for correcting main body 41 one by one.Now, the determining displacement unit 33 by being arranged on the position, most downstream of carrying-station 31 measures the displacement of the whole length range of the rail track 11 before being sent to the rectification of apparatus for correcting main body 41.In addition, this displacement by fax to not shown computer for controlling.
After computer for controlling (not shown) obtains the displacement measured by determining displacement unit 33, the a certain position calculated on rail track 11 should be corrected, and calculate in apparatus for correcting main body 41, carry out the position of the rail track 11 of remedial action, and the pipage control of rail track 11 is indicated to motor 32 that carrying-station 31 possesses and the hold-down roller 44 that apparatus for correcting 41 possesses based on this result of calculation.
Secondly, apparatus for correcting main body 41 is corrected (following main with reference to Fig. 3) being transferred the rail track 11 come while being transferred control.Once be detected the position of rail track 11 by position detection encoder 46, then by the control of pressure roller 44 grade, rail track 11 is stopped in position, and object of correction position is positioned at immediately below arm member 42.So the work piece holder 45,45 of controlling calculation device (not shown) to the upstream and downstream that are positioned at object of correction position carries out action command, and is fixedly clamped by the form of the upper and lower surface of roller gripper rail guide rail 11.If rail track 11 is fixedly clamped by pair of workpieces fixture 45,45, then measurement sensor 48 contact 48a is contacted relative to rail track 11 and keep out of the way, measure fixture the deflection that produces of the scope inner orbit guide rail 11 fixed.The pressing force of how many degree to computer for controlling (not shown), and to be applied on rail track 11 as well according to this Deformation calculation by the deflection measured by measurement sensor 48 fax at once.Then, according to this result of calculation, the position of the pivot α of arm member 42 changes, and carries out the adjustment of the pressing force that tracking road guide rail 11 applies.
If the position of the pivot α of arm member 42 is determined, then because arm member 42 is rotated, circular motion limit pressing rail track 11 is carried out on pressure roller 43 limit that therefore its leading section is arranged.By as above action, can to rail track 11 apply based on face contact pressing force.
If corrected by pressure roller 43, then computer for controlling (not shown) makes rail track 11 move according to the displacement measured by determining displacement unit 33, and carries out described remedial action in the whole length range of rail track 11.After rectification in the whole length range of rail track 11 terminates, the rail track 11 corrected after terminating is delivered to and takes out of platform 51, and the rectification work of apparatus for correcting 30 terminates.In addition, after the rectification in the whole length range of rail track 11 terminates, adopt determining displacement unit 33 definition ground to measure the displacement of rail track 11, thus can quality determination be carried out.Now, if the displacement of rail track 11 meets specified standard, then direct being delivered to by rail track 11 takes out of platform 51, if the displacement of rail track 11 does not meet specified standard, then again carries out described remedial action.
Above the apparatus for correcting 30 that the first embodiment relates to is illustrated.But apparatus for correcting of the present invention is not limited to described content, numerous variations or improvement can be carried out on this basis.
Such as, in the apparatus for correcting 30 that described first embodiment relates to, pressure roller 43 is positioned at the top of rail track 11, and is configured to the pressing force applying vertical direction from the top of rail track 11.But, for pressure roller 43, can also be configured to be positioned at the side (that is, with the open pore 11b that rail track 11 has run through vertical direction, direction) of rail track 11, and be configured to apply pressing force in the horizontal direction from the side of rail track 11.That is, the apparatus structure of the mode of apparatus for correcting 30 traverse related to by the first embodiment is become.If have such structure, because the pressing force direction for correcting can be not overlapping with gravity direction, therefore there is the advantage of gravity effect when can get rid of remedial action.
In addition, in the apparatus for correcting 30 that the first embodiment relates to, adopting makes arm member 42 carry out the structure of 360 ° of rotary motions, but for this arm member 42, can also adopt the structure (within the scope of such as 180 ° etc.) of only carrying out the oscillating motion resemble pendulum.Even if arm member 42 also can play the rectification effect identical with the apparatus for correcting 30 that the first embodiment relates to for the structure of carrying out oscillating motion.
And, in the apparatus for correcting 30 that the first embodiment relates to, be illustrated for the apparatus structure of the arm member 42 that there are two work piece holders 45,45 and be configured between described two work piece holders 45,45 and a measurement sensor 48.But, in apparatus for correcting of the present invention, also multiple work piece holder can be set, and work piece holder adjacent in multiple work piece holder arm member 42 and measurement sensor 48 are set each other.That is, also in series can configure multiple pressure roller 43 for rectification work, and adopt these multiple pressure rollers 43 to carry out rectification work continuously to rectangular rail track 11 (shaft-like workpiece) simultaneously.
Change or the change of carrying out this embodiment are on this basis also included in the technical scope of the present invention, and brighter and clearer by the record of right.
(apparatus for correcting of the second embodiment)
The apparatus for correcting 30 of described first embodiment only possesses one as the pressure roller 43 by face contact, rail track 11 being applied to the pressing piece of pressing force.Thus, in the apparatus for correcting 30 that the first embodiment relates to, be merely able to apply pressing force from a direction (from top) to rail track 11.The apparatus for correcting of the second embodiment described below arranges two as the pressure roller being contacted pressing piece rail track 11 being applied to pressing force by face, possesses simultaneously from both direction or the structure that can apply pressing force respectively from both direction at any time.In addition, the structure of the apparatus for correcting that this second embodiment relates to and action are described with reference to Fig. 5 ~ Fig. 9, and for the same or analogous parts of parts adopting Fig. 2 ~ Fig. 4 to illustrate, employing same symbol also omits its description.
At this, Fig. 5 is the integrally-built outward appearance top view of the apparatus for correcting related to for illustration of the second embodiment.In addition, Fig. 6 is the figure of the structure of the carrying-station possessed for illustration of the apparatus for correcting of the second embodiment, and component (a) is top view, component (b) is front view.In addition, Fig. 7 is the three-face view of the formation representing the determining displacement unit that the carrying-station shown in Fig. 6 possesses, and component (a) represents top view, component (b) represents left view, a point Fig. 7 (c) represents rearview.Fig. 8 is the outward appearance top view representing the apparatus for correcting main body that the apparatus for correcting that the second embodiment relates to possesses.Fig. 9 is that the A of depiction 8 is to the sectional view looked.
The apparatus for correcting 50 of the second embodiment is primarily of carrying-station 51, apparatus for correcting main body 61 and take out of platform 71 and form.Rail track 11 as object of correction is being positioned in after in carrying-station 51, be sent to apparatus for correcting main body 61 one by one, and after being corrected in apparatus for correcting main body 61, take out of platform 71 by being delivered to, transport operation below to as the linear rail track 11 possessing hope.
The carrying-station 51 of the second embodiment is provided with multiple conveying roller 52, is rotated by the plurality of conveying roller 52, rail track 11 can be delivered to apparatus for correcting main body 61.In addition, as the feature structure of the carrying-station 51 that the second embodiment relates to, this carrying-station 51 is provided with the determining displacement unit 53 of self-travel type.Determining displacement unit 53 is the parts used as measurement sensor at the second embodiment, and being configured to walk is being arranged on in carrying-station 51 two guide rails 54,54.As shown in Figure 7, pinion 53b's detailed construction of determining displacement unit 53 being arranged on the leading section of the motor reel of the AC servomotor 53a that determining displacement unit 53 has is meshed with the upper tooth bar formed of in two guide rails 54,54.In addition, the rail track that two guide rails 54,54 guide as straight line and playing a role, the movable block 53c guided by the straight line be arranged on this guide rail 54,54 is configured in below determining displacement unit 53, thus can realize determining displacement unit 53 rectilinear motion level and smooth on two guide rails 54,54.
And, described can from the determining displacement unit 53 of walking as shown in the component (b) in Fig. 7, be configured with can the roller of two sides of gripper rail guide rail 11 to 53d, 53d.This roller is play the parts with the contact 48a phase same-action in the first embodiment to 53d, 53d, and can be driven by working cylinder 53e, can be measured as the displacement (deflection) in the whole length range of the rail track 11 of object of correction by two sides of gripper rail guide rail 11.
In the carrying-station 51 of the second embodiment, by the determining displacement unit 53 with the self-travel type of described structure, the displacement (deflection) in the whole length range of the rail track 11 before the rectification delivering to apparatus for correcting main body 61 is measured.Displacement (deflection) fax measured by this determining displacement unit 53 to not shown computer for controlling, and is used for controlling the remedial action in apparatus for correcting main body 61 expeditiously.
As shown in represented in more detail by Fig. 8, apparatus for correcting main body 61 has the travel mechanism 62,62 amounting to the pressure roller 63,63 of two of the left and right sides being separately positioned on the rail track 11 that every root transports.This travel mechanism 62 is mobile parts freely in the two dimensional surface that can be formed at axis (left and right directions of the paper namely in Fig. 8) and the orthogonal direction orthogonal with this axis (the paper above-below direction namely in Fig. 8) by the rail track 11 as shaft-like workpiece.For its concrete structure, as can be seen from figures 8 and 9, two linear guide 71,71 arranged by rail track in the axial direction and the ball-screw 73 linked with the motor 72 as drive source, pressure roller 63 can be made to move in the axial direction, on the other hand, by having each up and down four that configure at the rail track of orthogonal direction, the linear guide 74 amounting to the movable block of eight and the ball-screw 76 be connected with the motor 75 as drive source, pressure roller 63 can be made to move in that orthogonal direction.The pressure roller 63 of the second embodiment forms owing to arranging relative to travel mechanism 62 as constructed as above, therefore by the movement of the movement of axis and orthogonal direction is combined, can carry out with illustrate in the first embodiment be arranged on the same circular motion of pressure roller 43 on arm member 42.That is, for the pressure roller 63 that the second embodiment relates to, also can identically with the pressure roller 43 of the first embodiment, circular motion limit can be carried out press rail track 11 in limit, therefore, it is possible to apply the pressing force based on face contact to rail track 11.
In addition, when the second embodiment relates to pressure roller 63, due to pressing force can be applied, therefore, it is possible to carry out more high efficiency rectification work from the direction, the left and right sides of the driving guide rail 11 transported.
The position opposed with pressure roller 63 is provided with a pair mobile stand 67,67 moving in the axial direction, be fixed freely.Each in this mobile stand 67 be equipped with the lower face side supporting the driving guide rail 11 transported conveying help roll 64, when pressure roller 63 applies pressing force supporting drive the support unit 68 of the anti-roll side of guide rail 11.Conveying help roll 64 is configured to free roll, and bears the stable task of keeping the transportation horizontal of rail track 11.On the other hand, support unit 68 is supporting track guide rail 11 when bearing the pressing force coming from pressure roller 63, and bears with pressure roller 63 acting in conjunction and be applied to effect on rail track 11 by correcting load.In addition, being configured to follow with the contact site of rail track 11 side and carrying out that the pressing force being subject to coming from pressure roller 63 will bend to arc rail track 11 and rotating (with reference to Fig. 8) of support unit 68.According to this structure, by pressure roller 63 pairs of rail tracks 11 apply for the pressing force corrected due to can efficiently and be not applied to rail track 11 lavishly, therefore, it is possible to realize high-precision rectification work.
In addition, by adopting the amplitude adjustment handle 67b arranged via the ball-screw 67a be arranged on mobile stand 67,67, can manually move, fixing mobile stand 67,67, thus can using mobile stand 67,67 according to featured configuration such as the shape of the rail track 11 (shaft-like workpiece) as object of correction and materials in optimum position.
In the apparatus for correcting 50 of the second embodiment, when driving pressure roller 63, do not adopt the measurement sensor 48 used in the first embodiment, and make pressure roller 63 (travel mechanism 62) action according to the displacement (deflection) measured by determining displacement unit 53.Like this, the apparatus for correcting 50 of the second embodiment structure for maximally utilising the advantage with two pressure rollers 63 (travel mechanism 62) and realize more high efficiency remedial action and adopting, and for making two pressure rollers 63 (travel mechanism 62) action simultaneously minimizing deflection according to the initial displacement (deflection) measured and the structure that adopts.
In addition, in the apparatus for correcting 50 of the second embodiment, for the action control of each structure member, also automatically carried out by not shown computer for controlling, computer for controlling (not shown) obtains the positional information etc. of the displacement (deflection) obtained by determining displacement unit 53, the rail track 11 detected by not shown encoder, and carries out the action control of each parts that apparatus for correcting 50 possesses according to these information.
Be provided with in the downstream of the apparatus for correcting main body 61 of the second embodiment described above and take out of platform 71.Second embodiment take out of the free conveyer that platform 71 is configured to as free roll arrangement, and play be received in apparatus for correcting main body 61 correct terminate after the rail track 11 that transports, then concentrate conveyance to the effect of operation below.
Above, the structure member of the apparatus for correcting 50 of the second embodiment is illustrated.Below, the action of the apparatus for correcting 50 of the second embodiment is described.
If the rail track 11 as object of correction is positioned in carrying-station 51, then the multiple conveying rollers 52 carrying-station 51 arranged rotate, and rail track 11 is sent to apparatus for correcting main body 61 one by one.Now, by self-travel type determining displacement unit 53, the displacement (deflection) in the whole length range of the rail track 11 before the rectification being sent to apparatus for correcting main body 61 is measured.In addition, this displacement (deflection) fax is to not shown computer for controlling.
After computer for controlling (not shown) obtains the displacement (deflection) measured by determining displacement unit 53, calculate a certain position of rail track 11 and should correct which kind of degree, and calculate the position and the correct amount that are carried out the rail track 11 of remedial action by apparatus for correcting main body 61, by the conveyance instruction fax of the rail track 11 based on this result of calculation to the conveyer parts of conveying roller 52 grade.
Then, apparatus for correcting main body 61 opposite side be transferred control limit be transferred come rail track 11 carry out correcting (following Primary Reference Fig. 8).According to the displacement (deflection) that determining displacement unit 53 measures, travel mechanism 62 limit makes pressure roller 63 carry out circular motion limit to press rail track 11, carries out remedial action rail track 11 being applied to the pressing force based on face contact.Now, Liang Ge travel mechanism 62 owing to correcting the two sides of rail track 11 simultaneously, or corrects respectively separately, therefore, it is possible to carry out very high efficiency rectification work.
If the rectification in the whole length range of rail track 11 terminates, then the rail track 11 after correcting is sent to and takes out of platform 74, the rectification work termination of apparatus for correcting 50.In addition, after the rectification in the whole length range of rail track 11 terminates, use determining displacement unit 53 confirmatory ground again to measure the displacement (deflection) of rail track 11, thus can quality confirmation be carried out.Now, if the displacement of rail track 11 (deflection) meets required standard, then rail track 11 directly being taken out of to taking out of platform 71, if the displacement of rail track 11 (deflection) does not meet required standard, then again carrying out described remedial action.
Above the apparatus for correcting 50 of the second embodiment is illustrated.But apparatus for correcting of the present invention is not limited to described content, multiple change or improvement can be carried out on this basis.
Such as, in the apparatus for correcting 50 of described second embodiment, pressure roller 63 is positioned at the side of rail track 11, and applies pressing force in the horizontal direction from the side of rail track 11.According to this structure, because the direction of the pressing force for correcting can be not overlapping with the direction of gravity, therefore, it is possible to the impact of gravity when getting rid of remedial action.But, for the pressure roller 63 of the second embodiment, also can be configured to the top and the below that are positioned at rail track 11, and above and below rail track 11, apply the pressing force of vertical above-below direction.
In addition, pressure roller 43,63 can also be configured to the pressing force that tracking guide rail 11 applies to have the oblique direction of certain angle.
And in the apparatus for correcting 50 of the second embodiment, although exemplified with the structure utilizing two pressure rollers 63 be arranged in Liang Ge travel mechanism 62, the magnitude setting of pressure roller can be single also can be multiple, can adopt arbitrary structures.
Therefore, on such as, whole directions due to the incline direction up and down by pressure roller being configured in shaft-like workpiece, therefore, it is possible to realize the apparatus for correcting corrected the distortion of any direction.
In addition, in first and second embodiment above-mentioned, although illustrate pressure roller 43,63 as the example of pressing piece of rectification carrying out shaft-like workpiece, as long as but can play and the pressure roller 43 of pressing piece of the present invention, 63 identical action effects, adopt the pressing piece of arbitrary form can.Such as, also can replace the roller class relative to axle workpiece Structure deformation of pressure roller 43,63 formula, use and slidingly contact the rigid body class with the fixed part on arc-shaped surface etc. of formula as pressing piece relative to axle workpiece.
And, for the apparatus structure illustrated in above-mentioned first and second embodiments and method of operating, at random can change according to conditions such as the shape of shaft-like workpiece and materials or according to arrange restriction and the cost restriction etc. of equipment.As long as namely feature of the present invention is carried out circular motion limit by pressure roller limit press shaft-like workpiece, pressing force based on face contact and the apparatus for correcting that forms are applied as condition to shaft-like workpiece, just can carry out the embodiment of various distortion or the change of control method.
A nearlyer step in addition, the shaft-like workpiece that the apparatus for correcting that the present invention relates to can be corrected is not limited to described rail track 11.As long as pressure roller can apply the pressing force based on face contact, shaft-like workpiece for which kind of form is all fine.
Change or the change of carrying out this embodiment are on this basis also included in the technical scope of the present invention, and by the record of claims definitely.
Claims (3)
1. an apparatus for correcting, possesses:
Shaft-like workpiece multiple somes places are axially carried out the multiple work piece holders be fixedly clamped;
Possess and contact with described shaft-like workpiece, keep out of the way contact freely and the measurement sensor that the deflection of described shaft-like workpiece is measured;
According to the deflection that described measurement sensor measures, pressing force is applied to described shaft-like workpiece, thus carries out the pressing piece of the rectification of described shaft-like workpiece with described work piece holder acting in conjunction,
The feature of described apparatus for correcting is,
Described pressing piece is arranged in rotary moving or waves on mobile arm member freely, and described pressing piece carries out circular motion limit by limit and presses described shaft-like workpiece, and applies the pressing force based on face contact to described shaft-like workpiece,
Described arm member has pressing piece in the end of a side, and has a pivot in the end of the opposing party,
Described arm member can be rotated centered by described pivot, and its pivot is configured to move up freely at the upper and lower orthogonal with the axis of described shaft-like workpiece,
By making described pivot move according to the size of the pressing force be applied on described shaft-like workpiece, and described arm member is rotated in the position of the pivot of hope, thus the correct amount relative to described shaft-like workpiece can be adjusted,
Be clamped fixing by the described shaft-like workpiece corrected in the position of regulation by described work piece holder, press with the described pressing piece of face contact pressing owing to being carried out circular motion limit by the top side of position therebetween, therefore the centre position at the position that is fixedly clamped being subject to correcting pressing force is moved downwards, and surveys from the upstream, position that is fixedly clamped and downstream is moved upward.
2. apparatus for correcting according to claim 1, is characterized in that,
Described pressing piece is configured to the described pressing force applying vertical direction from the top of described shaft-like workpiece.
3. apparatus for correcting according to claim 1 and 2, is characterized in that,
Described pressing piece is configured to the described pressing force applying horizontal direction from the side of described shaft-like workpiece.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009251929A JP5513849B2 (en) | 2009-11-02 | 2009-11-02 | Straightening device, and motion guide device including a member subjected to straightening processing by the straightening device |
| JP2009-251929 | 2009-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102179426A CN102179426A (en) | 2011-09-14 |
| CN102179426B true CN102179426B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010623824.6A Active CN102179426B (en) | 2009-11-02 | 2010-11-02 | Apparatus for correcting and possess and implement by this apparatus for correcting the linear motion guide device of parts correcting processing |
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| Country | Link |
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| JP (1) | JP5513849B2 (en) |
| CN (1) | CN102179426B (en) |
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| CN103042077A (en) * | 2011-10-15 | 2013-04-17 | 芜湖天佑汽车技术有限公司 | Automobile shock absorber piston rod blank straightening machine |
| JP5787416B2 (en) * | 2013-01-25 | 2015-09-30 | 東邦チタニウム株式会社 | Reaction vessel straightening device and reaction vessel straightening method using the same |
| JP6604154B2 (en) * | 2015-11-16 | 2019-11-13 | トヨタ自動車株式会社 | Clamping device |
| CN105499321B (en) * | 2016-01-29 | 2018-08-14 | 中山市曙光铝业有限公司 | A kind of aluminum pipe straightener |
| KR101938828B1 (en) * | 2017-03-10 | 2019-01-16 | 대한네트웍스 주식회사 | Method and apparatus for controlling steel bar straightener |
| CN106964669B (en) * | 2017-03-29 | 2018-08-07 | 嘉善永金金属制品有限公司 | A kind of metal shape material straightening machine |
| KR102028002B1 (en) * | 2018-09-10 | 2019-10-04 | 대한네트웍스 주식회사 | Method and apparatus for controlling steel bar straightener |
| CN109550814A (en) * | 2018-11-26 | 2019-04-02 | 毛添星 | A kind of horizontal heavy section steel extruding correction tune type device |
| DE102019211447B4 (en) | 2019-07-31 | 2023-06-01 | Robert Bosch Gmbh | Process for laser straightening of guide rails |
| CN111659767B (en) * | 2020-05-14 | 2022-03-08 | 浙江天骄轴承制造有限公司 | Square rail multi-direction straightener |
| CN115090713A (en) * | 2022-05-17 | 2022-09-23 | 福建福耀汽车饰件有限公司 | Sheet metal part correcting tool |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2011092990A (en) | 2011-05-12 |
| JP5513849B2 (en) | 2014-06-04 |
| CN102179426A (en) | 2011-09-14 |
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Effective date of registration: 20160613 Address after: Tokyo, Japan Patentee after: THK Co., Ltd. Patentee after: National Turks Corporation Patentee after: Yamazen Corp. Address before: Tokyo, Japan Patentee before: THK Co., Ltd. Patentee before: Hinotex KK Patentee before: Yamazen Corp. |