CN209288743U - A kind of machine tool chief axis pose adjustment standard apparatus - Google Patents
A kind of machine tool chief axis pose adjustment standard apparatus Download PDFInfo
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- CN209288743U CN209288743U CN201822142872.8U CN201822142872U CN209288743U CN 209288743 U CN209288743 U CN 209288743U CN 201822142872 U CN201822142872 U CN 201822142872U CN 209288743 U CN209288743 U CN 209288743U
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Abstract
The utility model discloses a kind of machine tool chief axis pose adjustment standard apparatuses, including mandrel and link block, the link block includes transition plates, aligning plate and posture adjustment plate, and the aligning plate is connected with transition plates by the pre-loading screw that is translatable, and the aligning plate is connected with posture adjustment plate by pose adjustment screw；It further include more translation adjusting screws；In both aligning plate and posture adjustment plate, it is provided with bulb in one of them, is provided with groove body in another one；The pose adjustment screw is more, and more pose adjustment screws are around the mating surface annular spread；The mandrel is fixed on posture adjustment plate, and the centre of sphere of bulb is fallen on the axis of mandrel.This standard apparatus can effectively solve Ultra-precision CNC Machine and establish problem in the measuring basis of main shaft pose adjustment process, it can be improved main shaft pose adjustment precision, shorten the main shaft pose adjustment time, while this standard apparatus also can be used for the main shaft pose adjustment of machine tool.
Description
Technical field
The utility model relates to commissioning device technical fields, fill more particularly to a kind of machine tool chief axis pose adjustment benchmark
It sets.
Background technique
The depth of parallelism of the axis of movement of the axis of movement and machine Z-axis of machine tool chief axis will directly affect the cylinder of rod-like piece
Error is spent, therefore, during the adjustment of Ultra-precision CNC Machine, this error must be strictly controlled.Under normal circumstances,
For Ultra-precision CNC Machine, parallelism error, that is, machine tool chief axis Run-out error in its XOZ plane needs to control to 1 μ
Within the scope of m/200mm, parallelism error, that is, new line of machine tool chief axis/error of bowing in ZOY plane need to control to 2 μm/
Within the scope of 200mm.The adjustment measuring basis that the mode of the concrete-cored axis of traditional chuck is established, Adjustment precision is low, poor repeatability, nothing
Method meets depth of parallelism adjustment demand of the ultra-precision machine tool in ZOY plane, seriously constrains the adjustment improved efficiency of lathe.
Utility model content
For the adjustment measuring basis that the mode of the concrete-cored axis of traditional chuck set forth above is established, Adjustment precision is low,
Poor repeatability is unable to satisfy depth of parallelism adjustment demand of the ultra-precision machine tool in ZOY plane, seriously constrains the adjustment effect of lathe
The problem of rate is promoted.The utility model provides a kind of machine tool chief axis pose adjustment standard apparatus, this standard apparatus can be solved effectively
Certainly Ultra-precision CNC Machine establishes problem in the measuring basis of main shaft pose adjustment process, can be improved main shaft pose adjustment essence
Degree shortens the main shaft pose adjustment time, while this standard apparatus also can be used for the main shaft pose adjustment of machine tool.
The technological means of this programme is as follows, a kind of machine tool chief axis pose adjustment standard apparatus, including mandrel and for realizing
The link block that mandrel is connected with lathe spindle, the link block include between each other in the transition plates of layered relationship, aligning plate and
Posture adjustment plate, the aligning plate are connected with transition plates by the pre-loading screw that is translatable, and the aligning plate and posture adjustment plate pass through pose adjustment
Screw is connected；
It further include more translation adjusting screws being threadedly connected in transition plates, each one end for being translatable adjusting screw acts on
On aligning plate, and the adjusting screw that is translatable is around the circumferentially distributed of aligning plate, each adjusting screw that is translatable apply to aligning plate so that
The power that transition plates and aligning plate mutually stagger；
In both aligning plate and posture adjustment plate, it is provided with bulb in one of them, groove body, the aligning are provided in another one
The mutual cooperation of plate and posture adjustment plate is embedded in the groove body by the bulb to be realized, and the mating surface of aligning plate and posture adjustment plate is only
For spherical surface；
The pose adjustment screw is more, and more pose adjustment screws are around the mating surface annular spread；
The mandrel is fixed on posture adjustment plate, and the centre of sphere of bulb is fallen on the axis of mandrel.
In the prior art, one high-precision core is clamped using the chuck of machine tool chief axis end when machine tool chief axis pose adjustment
Axis, after the completion of the adjustment of the concentricity of mandrel and motion of main shaft axis, adjustment benchmark of the mandrel as main shaft posture.Currently, with
The raising of machine tool capability, especially numerically-controlled machine tool, the adjustment precision of main shaft is consequently increased.The concrete-cored axis of traditional chuck
The adjustment measuring basis that mode is established is primarily present the following aspects deficiency:
Adjustment precision is low, poor repeatability, relies on seriously operator:
Either three-jaw self-centering chuck or chuck, claw adjusting screw are coarse thread screw, screw diameter
Bigger, lead is bigger, and Adjustment precision is lower, higher to the technical level degree of dependence of operator.It is general high-precision
The repetitive positioning accuracy of three-jaw self-centering chuck is spent in 10 μm of magnitudes, and self-centering precision is unable to satisfy Ultra-precision CNC Machine
Adjustment demand, and for chuck, although each claw can independently link, the precision of centering is just seriously by operator
Level limitation, and coarse thread screw adjustment resolution ratio is poor, seriously constrains the promotion of lathe adjustment efficiency.
Adjustment freedom degree quantity is unable to satisfy the adjustment demand of Ultra-precision CNC Machine:
Either three-jaw self-centering chuck or chuck, the only radial direction of adjustment freedom degree, can not
Meet the adjustment freedom degree requirement of Ultra-precision CNC Machine.Although, can be by changing mandrel and card during actually adjustment
The contact position of pawl realizes the adjustment of mandrel pitching or beat freedom degree, but increases adjustment difficulty, reduces Adjustment precision.
Translation of the mandrel in lathe XOY plane may be implemented in the machine tool chief axis pose adjustment standard apparatus that this programme provides
With around lathe X-axis and the adjusting of Y-axis rotary freedom, mandrel is adjusted freely when meeting Ultra-precision CNC Machine main shaft pose adjustment
The demand of degree, meanwhile, four adjustment freedom degrees of this programme are mutually indepedent, in this way, not only solving above-mentioned mention using this programme
To the problem of, while can be improved mandrel adjustment resolution ratio, reduce adjustment difficulty, shorten adjustment time.
In the present solution, the transition plates is used for the connection of the present apparatus and lathe spindle, aligning plate passes through translation pre-loading screw
Connect with transition plate bolt, posture adjustment plate is connect by pose adjustment screw with aligning plate bolt, and further include that more translations adjust
Screw, in this way, by fastening the translation adjusting screw different with loose unloading, may make in the case where relaxation is translatable pre-loading screw
The active force that translation adjusting screw is applied between transition plates and aligning plate makes transition plates and aligning plate mutual dislocation, and reaching makes
The purpose that mandrel is translatable with aligning plate in the X-direction and Y direction of lathe is obtained, after completing the translation adjusting, fastening is translatable
Position locking of the aligning plate in transition plates can be realized in pre-loading screw；Since the mating surface between aligning plate and posture adjustment plate is only
Spherical surface, the mating surface are embedded in the groove body by the bulb and are formed, while including more pose adjustment screws, and posture tune
Whole screw is around the mating surface annular spread, in this way, by fastening the pose adjustment screw different with loose unloading, may make mandrel with
Posture adjustment plate is rotated around the centre of sphere, and the above rotation can be turned about the X axis and be rotated around Y-axis, when turning to required Adjustment precision,
It is such as the purpose that can reach the position of fixed central spindle in space by uniformly fastening pose adjustment screw.
As described above, this programme is not only simple in structure, while manufacturing and using conveniently.Using the posture adjustment plate and aligning plate
By way of mating spherical surfaces, the Adjustment precision of the rotation can be effectively improved.
The mating surface is arranged in pose adjustment screw for the rotation as those skilled in the art simultaneously
Outside, if bulb and groove body are located at the middle part of aligning plate or posture adjustment plate, pose adjustment screw is in aligning plate and posture adjustment
Tie point is respectively positioned on the edge of aligning plate and posture adjustment plate on plate；For lathe, the above X-axis, Y-axis, Z axis are actually Descartes's seat
Mark system, i.e., the axis direction of main shaft is Z-direction on lathe, and the direction of motion of lathe tool is X-direction on lathe, and vertical direction is
Y direction；Meanwhile above is referred to technical term, if transition plates, aligning plate, posture adjustment plate are actually as connection structure
Plate, name is different only to distinguish three blocks of plates, and similarly, the translation adjusting screw, be translatable pre-loading screw, posture
Adjusting screw is actually screw or bolt, and name is different also only to distinguish the screw or bolt of different location.
Preferably, to improve transition plates and aligning plate relative position Adjustment precision, being set as the translation adjusting screw is
Screw thread is the fine-pitch screw of closely-pitched.
Further technical solution are as follows:
As the specific implementation of transition plates, the transition plates is the annular plate-like structure that middle part is provided with mounting hole,
The mounting hole is expanded joint hole or internal thread hole；
It further include the quantity adjustment block equal with translation adjusting screw quantity, each adjustment block passes through screw and is fixed on transition
A translation adjusting screw is threaded on plate, in each adjustment block；
The centre of sphere of the bulb is fallen on the axis of the mounting hole.Using this programme, transition plates structure is simple, conveniently adds
Work and it is easily obtained high-precision processing quality；It is set as realizing between translation adjusting screw and transition plates in succession by adjusting block
It connects, and adjustment block passes through screw and is fixed in transition plates, is also intended to realization and facilitates processing and assembly.As this field skill
Art personnel can be set to ring-type etc. with upper setting block, equal with translation adjusting screw quantity using adjustment block is set as, and be translatable
Adjusting screw cooperates one by one with adjustment block, in this way, it is intended to so that adjustment block part has the smallest weight.It can be set with upper setting block
It is set to strip.The above are when expanded joint hole, the hole wall of mounting hole is shiny surface, is connect for realizing with the interference of main shaft；With
When upper installing hole is internal thread hole, for realizing the threaded connection with main shaft.
For convenience of the power between adjustment transition plates and aligning plate, with facilitate realize fixation between transition plates and aligning plate and
Relative position Adjustment precision, setting are as follows: the translation pre-loading screw is more, and the pre-loading screw that is translatable is between each other around bulb ring
Shape arrangement.
To enable mandrel that can translate to each to equal, as the specific set-up mode of translation pre-loading screw, setting are as follows: institute
State that be circular layout be uniformly distributed around the centre of sphere annular of bulb.
To enable mandrel that can translate to each to equal, as the specific set-up mode of aligning plate, setting are as follows: the aligning
Plate is in the form of a circular plate, and described circumferentially distributed uniformly distributed for circumferential annular, the uniformly distributed center of circle of the circumferential annular falls in the axis of aligning plate
On line.The quantity for being preferably arranged to translation adjusting screw is greater than three.
To enable mandrel that can deflect to each to equal, setting are as follows: the annular spread is annular around the centre of sphere of bulb
Cloth.The quantity for being preferably arranged to pose adjustment screw is greater than three.
To make pose adjustment screw that there is preferably constraint reliability to the deflection of mandrel, in favor of mandrel deflection angle
Adjustment precision, setting are as follows: be arranged on each pose adjustment screw for realizing the locking bullet of place pose adjustment screw check
Property part.Flexible deformation is generated by the locking elastic component, can not only realize the locking of pose adjustment screw, meanwhile, it may make
The rotation of pose adjustment screw is damping rotary: the deformable amplitude peak of locking elastic component determines that pose adjustment screw can play
The axial movement stroke of restraint performance, while the posture tune when being operated to single pose adjustment screw, at other positions
The locking elastic component of whole screw position allows posture adjustment plate to move relative to each pose adjustment screw, in this way, not only facilitate operation,
It is conducive to mandrel deflection angle Adjustment precision simultaneously.
There is larger coefficient of elasticity as one kind, so that adjusting single pose adjustment screw so that mandrel and main shaft
After coaxial, the implementation that other pose adjustment screws are adjusted again is not needed, is arranged are as follows: the locking elastic component is
In multiple disc springs of layered relationship.
To strengthen the wearability between aligning plate and posture adjustment plate, so that aligning plate can keep for a long time ideal with posture adjustment plate
Cooperate precision and makes mating surface more smooth so that mandrel deflects Adjustment precision, setting are as follows: the spherical surface of the bulb is hard
The spherical surface hardness of degree and groove body is all larger than 50HRC.
Facilitate processing as a kind of, and the implementation that the cost of material is low, is arranged are as follows: the bulb is removably connected to tune
On core or posture adjustment plate.In the present solution, bulb may be bolted on aligning plate or posture adjustment plate, processing for the groove body or
The form of groove body, can be used: prefabricated groove face is the slot that spherical surface is approximate spherical surface on aligning plate or posture adjustment plate, then again described
As obtained the wearing layer or rigidity layer as groove body surface layer by surfacing on groove face, then the wearing layer or rigidity layer are carried out
Attrition process obtains groove body.The mode that the above surfacing adds attrition process also can be used in the spherical surface of the bulb.
The utility model has the following beneficial effects:
In the present solution, the transition plates is used for the connection of the present apparatus and lathe spindle, aligning plate passes through translation pre-loading screw
Connect with transition plate bolt, posture adjustment plate is connect by pose adjustment screw with aligning plate bolt, and further include that more translations adjust
Screw, in this way, by fastening the translation adjusting screw different with loose unloading, may make in the case where relaxation is translatable pre-loading screw
The active force that translation adjusting screw is applied between transition plates and aligning plate makes transition plates and aligning plate mutual dislocation, and reaching makes
The purpose that mandrel is translatable with aligning plate in the X-direction and Y direction of lathe is obtained, after completing the translation adjusting, fastening is translatable
Position locking of the aligning plate in transition plates can be realized in pre-loading screw；Since the mating surface between aligning plate and posture adjustment plate is only
Spherical surface, the mating surface are embedded in the groove body by the bulb and are formed, while including more pose adjustment screws, and posture tune
Whole screw is around the mating surface annular spread, in this way, by fastening the pose adjustment screw different with loose unloading, may make mandrel with
Posture adjustment plate is rotated around the centre of sphere, and the above rotation can be turned about the X axis and be rotated around Y-axis, when turning to required Adjustment precision,
It is such as the purpose that can reach the position of fixed central spindle in space by uniformly fastening pose adjustment screw.
As described above, this programme is not only simple in structure, while manufacturing and using conveniently.Using the posture adjustment plate and aligning plate
By way of mating spherical surfaces, the Adjustment precision of the rotation can be effectively improved.
Detailed description of the invention
Fig. 1 is a kind of section view of one specific embodiment of machine tool chief axis pose adjustment standard apparatus described in the utility model
Figure；
Fig. 2 is a kind of side view of one specific embodiment of machine tool chief axis pose adjustment standard apparatus described in the utility model
Figure.
Appended drawing reference in figure is respectively as follows: 1, transition plates, 2, adjustment block, 3, translation adjusting screw, 4, translation pre-loading screw,
5, aligning plate, 6, bulb, 7, posture adjustment plate, 8, mandrel, 9, pose adjustment screw, 10, plain washer, 11, disc spring.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail, but the structure of the utility model is not only
It is limited to following embodiment.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of machine tool chief axis pose adjustment standard apparatus, including mandrel 8 and for realizing mandrel 8
The link block being connected with lathe spindle, the link block include between each other in the transition plates 1 of layered relationship, aligning plate 5 and tune
Appearance plate 7, the aligning plate 5 are connected with transition plates 1 by the pre-loading screw 4 that is translatable, and the aligning plate 5 passes through posture with posture adjustment plate 7
Adjusting screw 9 is connected；
It further include more translation adjusting screws 3 being threadedly connected in transition plates 1, one end of each adjusting screw 3 that is translatable is equal
It acts on aligning plate 5, and the adjusting screw 3 that is translatable, around the circumferentially distributed of aligning plate 5, each adjusting screw 3 that is translatable is to aligning plate 5
Apply so that the power that transition plates 1 and aligning plate 5 mutually stagger；
In aligning plate 5 and 7 the two of posture adjustment plate, it is provided with bulb 6 in one of them, groove body is provided in another one, it is described
The mutual cooperation of aligning plate 5 and posture adjustment plate 7 is embedded in the groove body by the bulb 6 to be realized, and aligning plate 5 and posture adjustment plate 7
Mating surface be only spherical surface；
The pose adjustment screw 9 is more, and more pose adjustment screws 9 are around the mating surface annular spread；
The mandrel 8 is fixed on posture adjustment plate 7, and the centre of sphere of bulb 6 is fallen on the axis of mandrel 8.
In the prior art, one high-precision mandrel is clamped using the chuck of machine tool chief axis end when machine tool chief axis pose adjustment
8, after the completion of the adjustment of the concentricity of mandrel 8 and motion of main shaft axis, adjustment benchmark of the mandrel 8 as main shaft posture.Currently, with
The raising of machine tool capability, especially numerically-controlled machine tool, the adjustment precision of main shaft is consequently increased.The concrete-cored axis 8 of traditional chuck
The adjustment measuring basis established of mode, be primarily present the following aspects deficiency:
Adjustment precision is low, poor repeatability, relies on seriously operator:
Either three-jaw self-centering chuck or chuck, claw adjusting screw are coarse thread screw, screw diameter
Bigger, lead is bigger, and Adjustment precision is lower, higher to the technical level degree of dependence of operator.It is general high-precision
The repetitive positioning accuracy of three-jaw self-centering chuck is spent in 10 μm of magnitudes, and self-centering precision is unable to satisfy Ultra-precision CNC Machine
Adjustment demand, and for chuck, although each claw can independently link, the precision of centering is just seriously by operator
Level limitation, and coarse thread screw adjustment resolution ratio is poor, seriously constrains the promotion of lathe adjustment efficiency.
Adjustment freedom degree quantity is unable to satisfy the adjustment demand of Ultra-precision CNC Machine:
Either three-jaw self-centering chuck or chuck, the only radial direction of adjustment freedom degree, can not
Meet the adjustment freedom degree requirement of Ultra-precision CNC Machine.Although, can be by changing 8 He of mandrel during actually adjustment
The contact position of claw realizes 8 pitching of mandrel or the adjustment of beat freedom degree, but increases adjustment difficulty, reduces adjustment essence
Degree.
It is flat in lathe XOY plane that mandrel 8 may be implemented in the machine tool chief axis pose adjustment standard apparatus that this programme provides
It moves and is adjusted around lathe X-axis and Y-axis rotary freedom, mandrel 8 is adjusted when meeting Ultra-precision CNC Machine main shaft pose adjustment
The demand of freedom degree, meanwhile, four adjustment freedom degrees of this programme are mutually indepedent, in this way, being not only solved using this programme
The problem of mentioning is stated, while mandrel 8 can be improved and adjust resolution ratio, reduce adjustment difficulty, shorten adjustment time.
In the present solution, the transition plates 1 is used for the connection of the present apparatus and lathe spindle, aligning plate 5 pre-tightens spiral shell by translation
Nail 4 is connect with 1 screw of transition plates, posture adjustment plate 7 is connect by pose adjustment screw 9 with 5 screw of aligning plate, and further includes more flat
Dynamic adjusting screw 3, in this way, in the case where relaxation is translatable pre-loading screw 4, by fastening the translation adjusting screw different with loose unloading
3, the active force that may make translation adjusting screw 3 to be applied between transition plates 1 and aligning plate 5 makes transition plates 1 and 5 phase of aligning plate
Mutually dislocation, achieve the purpose that so that mandrel 8 with aligning plate 5 lathe X-direction and Y direction be translatable, complete the translation
After adjusting, position locking of the aligning plate 5 in transition plates 1 is can be realized in fastening translation pre-loading screw 4；Due to aligning plate 5 and adjust
Mating surface between appearance plate 7 is only spherical surface, and the mating surface is embedded in the groove body by the bulb 6 and is formed, while including more
Pose adjustment screw 9, and pose adjustment screw 9 is around the mating surface annular spread, in this way, different with loose unloading by fastening
Pose adjustment screw 9 may make mandrel 8 to rotate with posture adjustment plate 7 around the centre of sphere, and the above rotation can turn about the X axis and turn around Y-axis
It is dynamic, when turning to required Adjustment precision, fixed central spindle 8 such as can reach in sky by uniformly fastening pose adjustment screw 9
Between in position purpose.
As described above, this programme is not only simple in structure, while manufacturing and using conveniently.Using the posture adjustment plate 7 and aligning
Plate 5 can effectively improve the Adjustment precision of the rotation by way of mating spherical surfaces.
The mating surface is arranged in pose adjustment screw 9 for the rotation as those skilled in the art simultaneously
Outside, if bulb 6 and groove body are located at the middle part of aligning plate 5 or posture adjustment plate 7, pose adjustment screw 9 is in 5 He of aligning plate
Tie point is respectively positioned on the edge of aligning plate 5 and posture adjustment plate 7 on posture adjustment plate 7；For lathe, the above X-axis, Y-axis, Z axis are actually
Cartesian coordinate system, i.e., the axis direction of main shaft is Z-direction on lathe, and the direction of motion of lathe tool is X-direction on lathe, is erected
Histogram is to for Y direction；Meanwhile above is referred to technical term, as transition plates 1, aligning plate 5, posture adjustment plate 7 actually be make
For the plate of connection structure, name is different only to distinguish three blocks of plates, and similarly, the translation adjusting screw 3, translation are pre-
Tight screw 4, pose adjustment screw 9 are actually screw or bolt, and name is different also only to the screw or spiral shell of different location
Bolt distinguishes.
Preferably, to improve transition plates 1 and 5 relative position Adjustment precision of aligning plate, it is set as the translation adjusting screw 3
It is the fine-pitch screw of closely-pitched for screw thread.
Embodiment 2:
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1:
As the specific implementation of transition plates 1, the transition plates 1 is the annular plate-like knot that middle part is provided with mounting hole
Structure, the mounting hole are expanded joint hole or internal thread hole；
It further include the quantity adjustment block 2 equal with translation 3 quantity of adjusting screw, each adjustment block 2 is fixed on by screw
In transition plates 1, a translation adjusting screw 3 is threaded in each adjustment block 2；
The centre of sphere of the bulb 6 is fallen on the axis of the mounting hole.Using this programme, 1 structure of transition plates is simply, conveniently
It processes and is easily obtained high-precision processing quality；It is set as realizing between translation adjusting screw 3 and transition plates 1 by adjusting block 2
It connects in succession, and adjustment block 2 is fixed in transition plates 1 by screw, is also intended to realization and is facilitated processing and assembly.As this
Field technical staff can be set to ring-type etc. with upper setting block 2, using be set as adjustment block 2 and translation 3 quantity phase of adjusting screw
Deng, and the adjusting screw 3 that is translatable cooperates one by one with adjustment block 2, in this way, it is intended to so that 2 part of adjustment block has the smallest weight.With
Upper setting block 2 can be set to strip.The above are when expanded joint hole, the hole wall of mounting hole is shiny surface, for realizing with main shaft
Interference connection；When using upper installing hole as internal thread hole, for realizing the threaded connection with main shaft.
For convenience of the power between adjustment transition plates 1 and aligning plate 5, consolidating between transition plates 1 and aligning plate 5 is realized to facilitate
Fixed and relative position Adjustment precision, setting are as follows: the translation pre-loading screw 4 is more, and translation pre-loading screw 4 between each other around
Bulb 6 is circular layout.
To enable mandrel 8 that can translate to each to equal, as the specific set-up mode of translation pre-loading screw 4, setting are as follows:
Described be circular layout is uniformly distributed around the centre of sphere annular of bulb 6.
To enable mandrel 8 that can translate to each to equal, as the specific set-up mode of aligning plate 5, setting are as follows: the tune
Core 5 is in the form of a circular plate, and described circumferentially distributed uniformly distributed for circumferential annular, the uniformly distributed center of circle of the circumferential annular falls in aligning plate 5
Axis on.The quantity for being preferably arranged to translation adjusting screw 3 is greater than three.
To enable mandrel 8 that can deflect to each to equal, setting are as follows: the annular spread is the centre of sphere annular around bulb 6
It is uniformly distributed.The quantity for being preferably arranged to pose adjustment screw 9 is greater than three.
To make pose adjustment screw 9 that there is preferably constraint reliability to the deflection of mandrel 8, in favor of the deflection of mandrel 8
Angle Adjustment precision, setting are as follows: be arranged on each pose adjustment screw 9 locking for realizing place pose adjustment screw 9
Locking elastic component.Flexible deformation is generated by the locking elastic component, can not only realize the locking of pose adjustment screw 9, meanwhile,
The rotation that may make pose adjustment screw 9 is damping rotary: the deformable amplitude peak of locking elastic component determines pose adjustment spiral shell
Nail 9 can play the axial movement stroke of restraint performance, while when operating to single pose adjustment screw 9, other positions
The locking elastic component of 9 position of pose adjustment screw at place allows posture adjustment plate 7 to move relative to each pose adjustment screw 9, in this way,
Not only facilitate operation, while being conducive to 8 deflection angle Adjustment precision of mandrel.
There is larger coefficient of elasticity as one kind, so that adjusting single pose adjustment screw 9 so that mandrel 8 and master
After axis is coaxial, the implementation that other pose adjustment screws 9 are adjusted again is not needed, is arranged are as follows: the locking elastic component
It is multiple disc springs 11 in layered relationship.
To strengthen the wearability between aligning plate 5 and posture adjustment plate 7, so that aligning plate 5 can keep managing for a long time with posture adjustment plate 7
The cooperation precision thought and make mating surface more smooth so that mandrel 8 deflects Adjustment precision, setting are as follows: the bulb 6
Spherical surface hardness and the spherical surface hardness of groove body are all larger than 50HRC.
Facilitate processing as a kind of, and the implementation that the cost of material is low, is arranged are as follows: the bulb 6 is removably connected to
On aligning plate 5 or posture adjustment plate 7.In the present solution, bulb 6 may be bolted on aligning plate 5 or posture adjustment plate 7, for the groove body
Processing or groove body form, can be used: prefabricated groove face is the slot that spherical surface is approximate spherical surface on aligning plate 5 or posture adjustment plate 7, and
Afterwards again on the groove face as by surfacing obtained the wearing layer or rigidity layer as groove body surface layer, then to the wearing layer or
Rigidity layer carries out attrition process and obtains groove body.The mode that the above surfacing adds attrition process also can be used in the spherical surface of the bulb 6.
Embodiment 3:
The present embodiment on the basis of embodiment 1, provides a kind of specific standard apparatus structure and application method, such as Fig. 1
With shown in Fig. 2, this programme needs to realize: translation (i.e. aligning) of the mandrel 8 in lathe XOY plane and revolving around lathe X-axis and Y-axis
Turn freedom degree adjusting, to realize that the measuring basis of the parallelism error adjustment in lathe XOZ and ZOY plane is established.This reality
Apply that four adjustment freedom degrees that scheme provided by example has are mutually indepedent, and adjust the translation adjusting screw 3 in benchmark mechanism,
Screw thread on translation pre-loading screw 4, pose adjustment screw 9 is all made of fine thread, difficult with raising adjustment resolution ratio, reduction adjustment
It spends, shorten adjustment time.
Main connection relationship are as follows: standard apparatus includes transition plates 1, adjustment block 2, translation adjusting screw 3, translation pre-loading screw
4, aligning plate 5, bulb 6, posture adjustment plate 7, mandrel 8, pose adjustment screw 9, plain washer 10 and disc spring 11.
Pose adjustment standard apparatus is mounted on lathe spindle by transition plates 1, and aligning plate 5 passes through translation pre-loading screw 4
It is connected in transition plates 1；Adjustment block 2 is fixed by screws in transition plates 1；The adjusting screw 3 that is translatable is using fine thread and adjusts
Monolith 2 connects, and the contact site of itself and aligning plate 5 is the spherical that hardness is greater than 50HRC, i.e. translation adjusting screw 3 is used for
The end face of the one end acted on aligning plate 5 is spherical surface；The pre-fastening moment of translation pre-loading screw 4 can be according to demand in 2~30N
It is adjusted within the scope of m.
The bulb 6 and aligning plate 5 of pose adjustment standard apparatus are fixed together by screw, the end face of posture adjustment plate 7
There is the taper hole cooperated with bulb 6, i.e., rounded channels, conical grooves etc. can be used in the described groove body, and therefore, posture adjustment plate 7 is relative to tune
The heart has the three degree of freedom rotated around X-axis, Y-axis and Z axis.
The posture adjustment plate 7 of pose adjustment standard apparatus is connected to aligning by pose adjustment screw 9, plain washer 10 and disc spring 11
On plate 5, disc spring 11 assembles (each pair of two pieces, 4) back-to-back disc spring 11 totally by two, and the two pieces of each pair of disc spring 11 uses
Face-to-face assembling mode.
The mandrel 8 of pose adjustment standard apparatus is located on posture adjustment plate 7 using shaft hole matching mode, and with screw by its with
Posture adjustment plate 7 is fixedly connected.
Application method are as follows:
Device integral installation may be implemented in the rotor for being adjusted main shaft by the transition plates 1 of pose adjustment standard apparatus
On, then adjust mandrel 8 and be translatable, along X-axis translation, along Y-axis around X-axis and around four freedom degrees of Y-axis rotary motion, mandrel can be realized
Then 8 using mandrel 8 as measuring basis, complete the posture tune of machine tool chief axis with the adjustment of machine tool chief axis axis of movement concentricity
It is whole.Specifically, to distinguish, number is 3-1,3-2,3-3,3-4 respectively as shown in Fig. 2, translation adjusting screw 4 is four,
Pose adjustment screw 9 is four, and to distinguish, number is 9-1,9-2,9-3,9-4 respectively:
It is translatable along X, Y-direction
It is controlled within the scope of 2~5Nm by the pre-fastening moment of the translation pre-loading screw of pose adjustment standard apparatus, it is first inverse
Hour hands rotary translational movement adjusting screw 3-1, then translation adjusting screw 3-3 is rotated clockwise, mandrel 8 can be realized along Y-axis positive direction
It is mobile；If first rotary translational movement adjusting screw 3-3 counterclockwise, then translation adjusting screw 3-1 is rotated clockwise, mandrel 8 can be realized
It is moved along Y-axis negative direction；Direction of rotation is to be judged from by the head of rotary translational movement adjusting screw 3 toward caudal directions.
By controlling the pre-fastening moment of the translation pre-loading screw 4 of pose adjustment standard apparatus within the scope of 2~5Nm,
Mandrel 8 can be realized along X-axis just in first rotary translational movement adjusting screw 3-4 counterclockwise, then rotate clockwise translation adjusting screw 3-2
Direction is mobile；If first rotary translational movement adjusting screw 3-2 counterclockwise, then translation adjusting screw 3-4 is rotated clockwise, core can be realized
Axis 8 is moved along X-axis negative direction,
It is rotated around X, Y-direction
When the pre-fastening moment of the translation pre-loading screw 4 of pose adjustment standard apparatus is controlled within the scope of 25~30Nm,
Aligning plate 5 and transition plates 1 are fixed together, and guarantee that mandrel 8 is not translatable in XOY plane.
When the pre-fastening moment of four pose adjustment screw 9-1,9-2,9-3 and 9-4 of pose adjustment standard apparatus is identical,
Mandrel 8 will be vertical with XOY plane；Simultaneously when increaseing or decreasing the pre-fastening moment of pose adjustment screw 9-2 and 9-3, mandrel 8 will be around
X-axis positive direction or negative direction rotation；When increaseing or decreasing the pre-fastening moment of pose adjustment screw 9-1 and 9-4 simultaneously, mandrel 8 will
It is rotated around X-axis negative direction or positive direction；When increaseing or decreasing the pre-fastening moment of pose adjustment screw 9-3 and 9-4 simultaneously, mandrel 8
It will be rotated around Y-axis positive direction or negative direction；When increaseing or decreasing the pre-fastening moment of pose adjustment screw 9-1 and 9-2 simultaneously, mandrel
8 will rotate around Y-axis negative direction or positive direction.
Measuring basis of the pose adjustment standard apparatus mandrel 8 as machine tool chief axis pose adjustment after the completion of adjustment, from
The size and geometric tolerance of body should reach claimed below: 40~60mm of diameter, 150~250mm of length, and circularity is better than 0.2 μm, circle
Column degree is better than 1 μm.
Using effect are as follows: pose adjustment standard apparatus efficiently solves lathe in the measuring basis of main shaft pose adjustment process
Problem is established, Adjustment precision is improved, shortens adjustment time, therefore, which can be in Ultra-precision CNC Machine field
It is used widely.Simultaneously in Fig. 2, three screws on the inside of pose adjustment screw are the pre-loading screw 4 that is translatable, and translation pre-tightens spiral shell
The circle of 4 inside of nail is mandrel 8.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize
Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field
For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in corresponding real
With in novel protection scope.
Claims (10)
1. a kind of machine tool chief axis pose adjustment standard apparatus, including mandrel (8) and it is connected for realizing mandrel (8) with lathe spindle
Link block, which is characterized in that the link block includes in the transition plates (1) of layered relationship, aligning plate (5) and adjusting between each other
Appearance plate (7), the aligning plate (5) are connected with transition plates (1) by translation pre-loading screw (4), the aligning plate (5) and posture adjustment plate
(7) it is connected by pose adjustment screw (9)；
Further include more translation adjusting screws (3) being threadedly connected on transition plates (1), respectively be translatable adjusting screw (3) one end
It acts on aligning plate (5), and is translatable adjusting screw (3) around the circumferentially distributed of aligning plate (5), be respectively translatable adjusting screw (3)
Apply to aligning plate (5) so that the power that transition plates (1) and aligning plate (5) mutually stagger；
In aligning plate (5) and posture adjustment plate (7) the two, it is provided in one of them bulb (6), is provided with groove body in another one, institute
The mutual cooperation of aligning plate (5) and posture adjustment plate (7) is stated by realizing in the bulb (6) insertion groove body, and aligning plate (5)
Mating surface with posture adjustment plate (7) is only spherical surface；
The pose adjustment screw (9) is more, and more pose adjustment screws (9) are around the mating surface annular spread；
The mandrel (8) is fixed on posture adjustment plate (7), and the centre of sphere of bulb (6) is fallen on the axis of mandrel (8).
2. a kind of machine tool chief axis pose adjustment standard apparatus according to claim 1, which is characterized in that the transition plates
(1) the annular plate-like structure of mounting hole is provided with for middle part, the mounting hole is expanded joint hole or internal thread hole；
It further include the quantity adjustment block (2) equal with translation adjusting screw (3) quantity, each adjustment block (2) is fixed by screw
In on transition plates (1), a translation adjusting screw (3) is threaded on each adjustment block (2)；
The centre of sphere of the bulb (6) is fallen on the axis of the mounting hole.
3. a kind of machine tool chief axis pose adjustment standard apparatus according to claim 1, which is characterized in that the translation pre-tightens
Screw (4) is more, and translation pre-loading screw (4) is circular layout around bulb (6) between each other.
4. a kind of machine tool chief axis pose adjustment standard apparatus according to claim 3, which is characterized in that described to be circular layout
It is uniformly distributed around the centre of sphere annular of bulb (6).
5. a kind of machine tool chief axis pose adjustment standard apparatus according to claim 1, which is characterized in that the aligning plate
(5) in the form of a circular plate, described circumferentially distributed uniformly distributed for circumferential annular, the uniformly distributed center of circle of the circumferential annular falls in aligning plate (5)
Axis on.
6. a kind of machine tool chief axis pose adjustment standard apparatus according to claim 1, which is characterized in that the annular spread
It is uniformly distributed around the centre of sphere annular of bulb (6).
7. a kind of machine tool chief axis pose adjustment standard apparatus according to claim 1, which is characterized in that each pose adjustment spiral shell
The locking elastic component locking for realizing place pose adjustment screw (9) is arranged on nail (9).
8. a kind of machine tool chief axis pose adjustment standard apparatus according to claim 7, which is characterized in that the locking elasticity
Part is multiple disc springs (11) in layered relationship.
9. a kind of machine tool chief axis pose adjustment standard apparatus as claimed in any of claims 1 to 8, feature exist
In the spherical surface hardness of the bulb (6) and the spherical surface hardness of groove body are all larger than 50HRC.
10. a kind of machine tool chief axis pose adjustment standard apparatus according to claim 9, which is characterized in that the bulb (6)
It is removably connected on aligning plate (5) or posture adjustment plate (7).
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| CN201822142872.8U CN209288743U (en) | 2018-12-19 | 2018-12-19 | A kind of machine tool chief axis pose adjustment standard apparatus |
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| CN201822142872.8U CN209288743U (en) | 2018-12-19 | 2018-12-19 | A kind of machine tool chief axis pose adjustment standard apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514282A (en) * | 2018-12-19 | 2019-03-26 | 中国工程物理研究院机械制造工艺研究所 | A kind of machine tool chief axis pose adjustment standard apparatus |
| CN114211015A (en) * | 2021-12-23 | 2022-03-22 | 上海交大智邦科技有限公司 | Automatic alignment mechanism and method for high-precision machining lathe for rotary parts |
-
2018
- 2018-12-19 CN CN201822142872.8U patent/CN209288743U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514282A (en) * | 2018-12-19 | 2019-03-26 | 中国工程物理研究院机械制造工艺研究所 | A kind of machine tool chief axis pose adjustment standard apparatus |
| CN109514282B (en) * | 2018-12-19 | 2024-03-26 | 中国工程物理研究院机械制造工艺研究所 | Machine tool spindle posture adjustment reference device |
| CN114211015A (en) * | 2021-12-23 | 2022-03-22 | 上海交大智邦科技有限公司 | Automatic alignment mechanism and method for high-precision machining lathe for rotary parts |
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