CN206653226U - Sphere match grinding device - Google Patents
Sphere match grinding device Download PDFInfo
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- CN206653226U CN206653226U CN201720211384.0U CN201720211384U CN206653226U CN 206653226 U CN206653226 U CN 206653226U CN 201720211384 U CN201720211384 U CN 201720211384U CN 206653226 U CN206653226 U CN 206653226U
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- 238000000227 grinding Methods 0.000 title claims abstract description 229
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- 238000007689 inspection Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004801 process automation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 19
- 208000001840 Dandruff Diseases 0.000 description 7
- 238000007670 refining Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
A kind of sphere match grinding device is the utility model is related to, including：Control unit (8), the first driving part, the second driving part and the first clamp assembly (3) and the second clamp assembly (4) being coaxially oppositely arranged, first clamp assembly (3) is used to fix the first match grinding part (11), can be moved under the driving of the first driving part along axis；Second clamp assembly (4) is used to fix the second match grinding part (12), can be rotated about axis under the driving of the second driving part；In the state of the first match grinding part (11) and the contact of the second match grinding part (12), control unit (8) can control the second driving part to drive the second clamp assembly (4) to be rotated with different rotating speeds according to the amount of movement of the first clamp assembly (3).The device can realize that match grinding crosses process automation, can optimize the match grinding effect of sphere by different grinding stage combinations, and improve match grinding efficiency, and the apparatus structure is simple, and operation is simple.
Description
Technical field
It the utility model is related to Finishing Parts Machining or re-manufacturing technology field, more particularly to a kind of sphere match grinding device.
Background technology
The life-span of hydraulic pump/motor is generally dependent on the life-span of crucial friction pair, in practice from cost-effective angle
Consider, hydraulic pump/motor is remanufactured sometimes, for the parts of damage, in performance failure analysis, life appraisal etc.
On the basis of analysis, using a series of related advanced manufacturing technologies, make to remanufacture the technical indicator that product quality reaches new product.
Sphere friction pair is the crucial friction pair of hydraulic pump/motor, and its precision directly determines the use of hydraulic pump/motor
Performance and life-span., it is necessary to which the sphere high to fit precision requirement carries out pairing grinding during hydraulic pump/motor remanufactures,
Ensure its fit precision size.Now using common practice be to carry out match grinding or grinding, this method effect using by the way of manual
Rate is low and the mating spherical surfaces quality of acquisition is unstable.Therefore, it is very necessary to remanufacture facing-up automation equipment for exploitation.
At present, also occurs automatic grinding device in the prior art, for being ground to sphere, some devices can only fit
, can not during match grinding although some devices can realize the match grinding of concavo-convex sphere for the grinding of concave spherical surface or convex spherical
Grinding-in parameters are monitored, can only complete whole match grinding process with the rotating speed of setting, the quality after such sphere match grinding is unstable, it is impossible to
Obtain preferable match grinding effect.
Utility model content
The purpose of this utility model is to propose a kind of sphere match grinding device, can optimize the match grinding effect of sphere on match grinding part
Fruit.
To achieve the above object, the utility model provides a kind of sphere match grinding device, including：Control unit, first drive
Dynamic component, the second driving part and the first clamp assembly and the second clamp assembly being coaxially oppositely arranged, wherein,
First clamp assembly is used to fix the first match grinding part, and can be in the driving lower edge of first driving part
Axis moves；
Second clamp assembly is used to fix the second match grinding part, and can under the driving of second driving part around
Axis rotates；
The control unit is connected with first driving part and the second driving part, in the first match grinding part and
In the state of the contact of two match grinding parts, the control unit can control described second according to the amount of movement of first clamp assembly
Driving part drives second clamp assembly to be rotated with different rotating speeds.
Further, in addition to pressure detecting part, for detecting the bumps of the first match grinding part and the second match grinding part
Contact between sphere.
Further, the control unit is connected with the pressure detecting part, can be in the detection of pressure detecting part
Value judges the first match grinding part and the contact of the second match grinding part when reaching preset pressure value, and starts second driving part
Second clamp assembly is driven to be rotated with First Speed.
Further, the control unit can the first match grinding part and the second match grinding part contact after and described first
After the amount of movement of clamp assembly reaches pre-determined distance, second driving part is controlled to drive second clamp assembly to switch to
Second speed rotates, and the second speed is more than the First Speed.
Further, the pressure detecting part includes pressure sensor, and the pressure sensor is located at first folder
Tool component is used to install the first match grinding part and the face relative with second clamp assembly.
Further, first clamp assembly includes jig main body and positioning adjustment part, the positioning adjustment part
It is located on the jig main body face relative with second clamp assembly, for carrying out centering tune to the first match grinding part
It is whole.
Further, the positioning adjustment part includes at least three be evenly distributed top and for driving each top
The 3rd radially movable driving part of point, the control unit can control each 3rd driving part driving top same
Step motion, to realize clamping or release to the first match grinding part.
Further, in addition to multiple pressure sensors, multiple pressure sensors circumferentially, and with each institute
It is corresponding to state top setting Angle Position, the control unit can be when the detected value of each pressure sensor be inconsistent, root
The corresponding top radial position of the 3rd driving part adjustment is controlled according to the detected value of the pressure sensor, until described first matches somebody with somebody
Mill part and the second match grinding part uniformly contact.
Further, the control unit can be controlled during second clamp assembly is rotated with different rotating speeds
Making the displacement of first driving part is consistent the detected value of the pressure detecting part.
Further, the first match grinding part is the cylinder body of hydraulic pump/motor, and the cylinder body has a concave spherical surface, described the
Two match grinding parts are the valve plate of hydraulic pump/motor, and the valve plate has convex spherical；
Or the valve plate that the first match grinding part is hydraulic pump/motor, the second match grinding part are the cylinder of hydraulic pump/motor
Body.
Further, first clamp assembly and the second clamp assembly are oppositely arranged up and down.
Based on above-mentioned technical proposal, sphere match grinding device of the present utility model, control unit can in the first match grinding part and
In the state of the contact of second match grinding part, the second driving part is controlled to drive the second fixture group according to the amount of movement of the first clamp assembly
Part is rotated with different rotating speeds, equivalent to according to the suitable match grinding speed of amount of feeding Auto-matching during match grinding, is achieved in
The different grinding stages.The device can realize the automation of match grinding process, combined make ball by the different grinding stages
Face obtains preferably match grinding effect after match grinding, and improves match grinding efficiency, and the apparatus structure is simple, and operation is simple, can be wide
It is applied to the match grinding of sphere on various parts generally.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the structural representation of one embodiment of the utility model sphere match grinding device；
Fig. 2 is the structural representation of one embodiment of upper fixture component in the utility model sphere match grinding device；
Fig. 3 is the structural representation of cylinder body and valve plate in hydraulic pump/motor.
Description of reference numerals
The electric cylinders of 1- first；The connecting shafts of 2- first；The clamp assemblies of 3- first；The clamp assemblies of 4- second；5- second connects
Spindle；6- decelerators；7- motors；8- control units；9- support frames；10th, fixed plate；11- the first match grinding parts；12-
Two match grinding parts；A- concave spherical surfaces；B- convex sphericals；31- jig main bodies；32- positioning adjustment parts；33- pressure sensors；
321- is top；The electric cylinders of 322- second.
Embodiment
The utility model described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.
The each side so limited can combine with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially
It is, it is considered to be preferable or favourable any feature can be considered as preferable or favourable spy with other one or more
Sign combination.
The term descriptions merely for convenience such as " first " that occurs in the utility model, " second ", with distinguish have it is identical
The different building blocks of title, it is not offered as priority or primary-slave relation.
In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", " interior " and " outer "
Orientation or position relationship Deng instruction are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this practicality newly
Type, rather than the device of instruction or hint meaning must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as the limitation to scope of protection of the utility model.
Referring to figs. 1 to Fig. 3, the utility model provide firstly a kind of sphere match grinding device, can new product assemble before or
Person's product remanufacturing link uses.In a schematical embodiment, the device includes：Control unit 8, the first drive division
Part, the second driving part and the first clamp assembly 3 and the second clamp assembly 4 being coaxially oppositely arranged.Wherein, the first fixture group
Part 3 is used to fix the first match grinding part 11, and can be moved under the driving of the first driving part along axis；Second clamp assembly 4
For fixing the second match grinding part 12, and can be rotated about axis under the driving of the second driving part；Consolidate by two match grinding parts
After being scheduled on clamp assembly, the concavo-convex sphere of two match grinding parts is facing each other.
Control unit 8 is connected with the first driving part and the second driving part, can be matched somebody with somebody in the first match grinding part 11 and second
In the state of grinding the reliable contacts of part 12, the second driving part is controlled to drive the second fixture according to the amount of movement of the first clamp assembly 3
Component 4 is rotated with different rotating speeds, to realize the different grinding stages.For example, control unit 8 can make controller, DSP, PLC or
It is made up of other hardware circuits.
Wherein, it is determined that the first clamp assembly 3 amount of movement when can determine that a reference position, the reference position can be
When first match grinding part 11 and the second match grinding part 12 contact, or any position before contact.During match grinding, the second fixture
Component 4 is rotated with different rotating speeds, equivalent to according to the suitable match grinding speed of grinding amount of feeding Auto-matching during match grinding, is matched somebody with somebody
Different grinding stages, such as corase grind, half fine grinding or essence can be achieved in by gear change or consecutive variations by grinding speed
Mill.
Preferably, the first driving part can include the first electric cylinder 1, can obtain higher linear motion control accuracy,
Accurately to control the amount of feeding during match grinding.Second driving part can include motor 7, according to the demand of match grinding speed,
Also settable decelerator 6 between the clamp assembly 4 of motor 7 and second.
The sphere match grinding device of the embodiment can suitably be ground during match grinding according to grinding amount of feeding Auto-matching
In the mill stage, the automation of match grinding process can be achieved, improve match grinding efficiency；Moreover, combined made by the different grinding stages
Sphere obtains preferably match grinding effect after match grinding；In addition, the apparatus structure is simple, operation is simple, can be widely applicable for more
The match grinding of sphere on kind part.
On this basis, sphere match grinding device may also include pressure detecting part, for detecting the first match grinding part 11 and the
Contact between the concavo-convex sphere of two match grinding parts 12.
Control unit 8 is connected with pressure detecting part, can reach preset pressure value in the detected value of pressure detecting part
When judge the first match grinding part 11 and the second match grinding part 12 reliable contacts, the position of now the first match grinding part 11 can be set to
Reference position, such as it is arranged to zero-bit.Now starting the second driving part drives the second clamp assembly 4 to be rotated with First Speed.
The grinding stage is the corase grind stage, and main purpose is to remove excess stock, by the second clamp assembly 4 with relatively low
First Speed, which rotates, obtains big abrasive power.
Further, after the first match grinding part 11 and the contact of the second match grinding part 12 and the amount of movement of the first clamp assembly 3 reaches
To after pre-determined distance, i.e., most of excess stock has been removed, it is necessary to be converted to precise finiss, and now control unit 8 can control
Second driving part drives the second clamp assembly 4 to switch to second speed to rotate, and second speed is more than First Speed.
The grinding stage is refining stage, and main purpose is to improve the surface quality for coordinating sphere, passes through the second fixture group
Part 4 is rotated with higher second speed obtains high grinding frequency.
During the second clamp assembly 4 is rotated with First Speed and second speed, control unit 8 still persistently controls the
One driving part makes the first clamp assembly 3 be moved towards close to the direction of the second clamp assembly 4, to keep the by lasting feeding
The contact of one match grinding part 11 and the second match grinding part 12 is basically unchanged.Because the material removed in the corase grind stage is more than fine grinding rank
Section, thus the translational speed of the first clamp assembly 3 corresponding under First Speed can be more than the corresponding under second speed
The translational speed of one clamp assembly 3.
Alternatively, between corase grind stage and refining stage, half refining stage is may be incorporated into, in this stage, control unit
Part 8 can control the second driving part to drive the second clamp assembly 4 to switch to third speed to rotate, and third speed is between the first speed
Between degree and second speed.Or those skilled in the art can also introduce more multi gear grinding rate according to demand.
Preferably, during whole match grinding, what control unit 8 can be rotated in the second clamp assembly 4 with different rotating speeds
During, the displacement of the first driving part of control is consistent the detected value of pressure detecting part.During match grinding, energy
Enough contact values of feedback according to two match grinding parts control the displacement of the first clamp assembly 3, so as to control the second fixture again
The rotating speed of component 4 realizes automation match grinding.First clamp assembly 3 is used for controlling match grinding amount and match grinding pressure to ensure the essence of grinding
Degree, the second clamp assembly 4 ensure match grinding precision by the speed to match.
By keeping whole match grinding pressure process stable, the contact of two match grinding parts can be made reliable and stable, stress equalization can
Ensure the contact rate of match grinding part and the uniformity of grinding, make match grinding quality relatively stable.So it will not both be led because of hypotony
Cause insufficient contact and influence match grinding efficiency, also will not cause to damage and extrude because of hypertonia and to match grinding part surface, protect
The diameter and profile tolerance of sphere are demonstrate,proved, to obtain more preferable match grinding effect.If occur the feelings of pressure transient in process of lapping
Condition, by control unit 8 displacement of the first driving part can be controlled to be adjusted the contact of two match grinding parts.And
And whole match grinding process can all be realized by control unit 8 and automatically controlled, and improve the automaticity of match grinding, in batch production
When can improve production efficiency.
In the first clamp assembly 3 shown in Fig. 2, the first clamp assembly 3 includes jig main body 31, such as jig main body 31
For cylindrical structural, pressure detecting part includes pressure sensor 33, and pressure sensor 33 is located at jig main body 31 and is used to install
On first match grinding part 11 and the face relative with the second clamp assembly 4.After two match grinding part contacts produce pressure, the second match grinding part
12 power for acting on the first match grinding part 11 will pass to pressure sensor 33 by the first match grinding part 11, to obtain two match grindings
The contact of part.In this embodiment, the set location of pressure sensor 33 can relatively accurately measure two match grinding parts
Contact.
Further, again referring to Fig. 2, the first clamp assembly 3 also includes positioning adjustment part 32, positioning adjustment part 32
It is located on the face relative with the second clamp assembly 4 of jig main body 31, for carrying out centering adjustment to the first match grinding part 11.Centering is adjusted
It is whole to be performed before the movement of the first clamp assembly 3 or during mobile, it is therefore an objective to match somebody with somebody the first match grinding part 11 and second
The center of circle and the axis of operation of sphere match grinding device align corresponding to the mill fovea superior convex spherical of part 12, avoid the occurrence of eccentric wear and make sphere
Shape changes.
In a kind of specific structure type, positioning adjusts top 321 that part 32 includes at least three and is evenly distributed
With for driving each top 321 the 3rd radially movable driving parts.The jig main body 31 and second of first clamp assembly 3
Guide groove is additionally provided with the relative face of clamp assembly 4, every group top 321 and the 3rd driving part are located in a guide groove, with
Guide top 321 radially movable.Control unit 8 can control each 3rd driving part driving top 321 to be synchronized with the movement, with
Realize the clamping or release to the first match grinding part 11.
For such a positioning adjustment part 32, correspondingly, detection part includes multiple pressure sensors 33, and multiple pressure pass
Sensor 33 top 321 inner ring circumferentially, so can comprehensively detect two match grinding parts on whole circumference direction
Contact it is whether uniform, to ensure the uniformity of the contact rate of whole match grinding part and grinding, prevent eccentric wear.
Further, multiple pressure sensors 33 are corresponding with each top 321 setting Angle Position, in match grinding process
In, control unit 8 can monitor the contact of two match grinding parts, and inconsistent in the detected value of each pressure sensor 33
When, the radial position of the 3rd driving part adjustment corresponding top 321 is controlled according to the detected value of pressure sensor 33, until each
The detected value of pressure sensor 33 is basically identical, i.e. the first match grinding part 11 and the second match grinding part 12 uniformly contact.So in match grinding
During can easily carry out centering adjustment in real time, and make the running parameter of whole match grinding process more controllable, occurring
It when the sphere-contact of match grinding part is unreliable, can in time be adjusted according to actual conditions, higher match grinding quality can be obtained, and make ball
Face match grinding device working stability, safety coefficient are high.
For example, for Fig. 2 the first clamp assembly 3, if the detected value for having one in three pressure sensors 33 is less than separately
Outer two, illustrate that sphere is unreliable in the less position contact of pressure, it is necessary to which relevant position is controlled by the 3rd driving part
Top 321 be moved radially outwards, while other two top 321 move radially inwardly, until each pressure sensor
33 detected value is basically identical.
Preferably, electric cylinder may be selected in the 3rd driving part, and electric cylinder can reach higher control accuracy, to reduce centering
The error of adjustment.For example, the control reconciliation precision error of three electric cylinders is not higher than 0.01mm in Fig. 2, to obtain more excellent match somebody with somebody
Grind effect.Alternatively, ball-screw also may be selected in the 3rd driving part, by the nut of motor driven ball screws, is converted into
Top 321 motion of linear motion driving of leading screw.
In addition, the second match grinding part 12 can be fixed directly on the second clamp assembly 4, or also can be by positioning adjustment machine
Structure carries out centering adjustment.Directly fixed mode can simplify match grinding part installation process, and the only operation the during in
One clamp assembly 3 is also relatively easy to, moreover it is possible to suitable for the second match grinding part 12 is not the situation of cylinder.
In the sphere match grinding device shown in Fig. 1, the first clamp assembly 3 and the second clamp assembly are oppositely arranged about 4.On
Under the form that is oppositely arranged occupy little space in the horizontal plane, do not influenceed when to middle adjustment by match grinding part gravity, Er Qiepei
It is more convenient to grind part installation.For stationary fixture component, sphere match grinding device also includes mounting bracket, and mounting bracket includes base and position
Fixed plate 10 in top, is connected between base and fixed plate 10 by support frame 9, the first driving part, the first clamp assembly
3rd, the second clamp assembly 4 and the second driving part are sequentially coaxially located at the inner space that fixed plate 10, support frame 9 and base are formed
In.
Support frame 9 includes the vertical section being connected with fixed plate 10 and the tilting section being connected with base, vertical section and tilting section
Circumferentially arranged with multigroup, every group is provided with installation base between vertical section and tilting section, for be fastened on motor 7 and decelerator 6 it
Between position.First electric cylinder 1 is located in fixed plate 10, and the first electric cylinder 1 and the first clamp assembly 3 pass through the first connecting shaft 2
Connection, the second clamp assembly 4 are connected with decelerator 6 by the second connecting shaft 5.
The utility model sphere match grinding device is widely used, and a variety of parts with sphere friction pair can be matched somebody with somebody
Mill.Preferably, as shown in figure 3, the first match grinding part 11 is the cylinder body of hydraulic pump/motor, cylinder body has concave spherical surface A, the second match grinding
Part 12 is the valve plate of hydraulic pump/motor, and valve plate has convex spherical B.Or first match grinding part 11 be hydraulic pump/motor flow
Disk, the second match grinding part 12 are the cylinder body of hydraulic pump/motor.Cylinder body coordinates sphere for one of overall sphere with what valve plate was formed
Point., can also will wherein one in addition, the first match grinding part 11 and the second match grinding part 12 match the part used except that can be two
Individual match grinding part is as milling tool.
When carrying out match grinding to cylinder body and valve plate using the sphere match grinding device shown in Fig. 1 and Fig. 2, first, by cylinder body
Three the second electric cylinders 322 are controlled to drive top 321 synchronization inwardly on the first clamp assembly 3, and by control unit 8
Valve plate is arranged on the second clamp assembly 4 by motion so that cylinder body centering is stepped up.
Then, control unit 8 starts the first electric cylinder 1 the first clamp assembly 3 of drive and moved downward, until detecting pressure
When the detected value of sensor 33 reaches preset pressure value, illustrate the cooperation sphere reliable contacts of cylinder body and valve plate, now by
The position of one clamp assembly 3 is set to zero-bit, and starting motor 7 makes the second clamp assembly 4 be rotated with First Speed.
After the displacement that the first clamp assembly 3 moves downward reaches pre-determined distance, control unit 8 controls the second clamp assembly
4 are rotated with second speed.When the displacement that the first clamp assembly 3 moves downward meets amount of grinding requirement, controlled motor 7 stops work
Make, and control the first electric cylinder 1 to drive the first clamp assembly 3 to move up to initial position., being capable of basis during match grinding
The contact of two match grinding parts controls the displacement of the first clamp assembly 3, so as to control the rotating speed of the second clamp assembly 4 real again
Now automate match grinding.Finally the cylinder body after the completion of match grinding and valve plate are pulled down.
The embodiment of the method that match grinding is carried out using sphere match grinding device of the present invention is given below.In a schematical implementation
In example, the sphere match grinding method comprises the following steps：
Step 101, the first match grinding part 11 is fixed on the first clamp assembly 3；
Step 102, the second match grinding part 12 is fixed on the second clamp assembly 4；
Step 103, control unit 8 control the first driving part to drive the first clamp assembly 3 along axis the second fixture of direction
Component 4 moves；
Step 104, control unit 8 are after the first match grinding part 11 and the contact of the second match grinding part 12, according to the first driving part
Amount of movement control the second driving part drive the second clamp assembly 4 be rotated about axis with different rotating speeds.
Wherein, step 101 and 102 sequencing are interchangeable, but should all be performed before step 103, and step 104 is in step
Performed after rapid 103.
Further, between step 103 and 104, the sphere match grinding method also includes：
Step 103 ', control unit 8 judge whether the first match grinding part 11 and the second match grinding part 12 contact, if it is perform
Step 104, otherwise return and perform step 103.
By step 103 ' opportunity for proceeding by bedding-in mill can be obtained, so as to improve the automation of whole match grinding process
Degree.
In a specific embodiment, sphere match grinding device also includes pressure detecting part, for detecting the first match grinding
Contact between the concavo-convex sphere of the match grinding part 12 of part 11 and second, control unit 8 judge that the first match grinding part 11 and second is matched somebody with somebody
The step of whether mill part 12 contacts specifically includes：
Control unit 8 judges whether the detected value of pressure detecting part reaches preset pressure value, if it is judges first
The match grinding part 12 of match grinding part 11 and second contacts, and otherwise judges the first match grinding part 11 and the also non-reliable contacts of the second match grinding part 12.
Preferably, during step 104 is performed, control unit 8 controls the amount of movement of the first clamp assembly 3 to make pressure
The detected value of detection part is consistent.This makes it possible to according to the contact pressure between the first match grinding part 11 and the second match grinding part 12
Power controls the amount of movement of the first clamp assembly 3, so as to control the rotating speed of second clamp assembly 4 again.
In another embodiment of sphere match grinding method, step 104 specifically includes：
Step 104A, control unit 8 is started the second driving part and drives the second clamp assembly 4 to be rotated with First Speed；
Step 104B, the shifting of first clamp assembly 3 after the first match grinding part 11 and the contact of the second match grinding part 12 of control unit 8
After momentum reaches pre-determined distance, the second driving part of control drives the second clamp assembly 4 to switch to second speed to rotate, the second speed
Degree is more than First Speed.
Step 104A and 104B order perform.Step 104A corresponds to the corase grind stage, and step 104B corresponds to refining stage.
Alternatively, at least one and half refining stages can also be arranged as required between the two steps, stage the second fixture group
The rotating speed of part 4 is between First Speed and second speed.
Further, the first clamp assembly 3 includes jig main body 31 and positioning adjustment part 32, by the first match grinding part 11
It is fixed on before the step on the first clamp assembly 3, the sphere match grinding method also includes：
Step 105, by position adjustment part 32 to the first match grinding part 11 carry out centering adjustment.
The sequencing of step 105 and step 101 is unrestricted, can also be performed in step 104 implementation procedure.It will give below
Go out to realize the specific method of centering adjustment by step 105.
As shown in Fig. 2 positioning adjustment part 32 include at least three be evenly distributed top 321 and it is each for driving
Top 321 the 3rd driving part, before step 101, step 105 specifically includes：
Control unit 8 controls the synchronous inwardly motion of each 3rd driving part driving top 321, with to the first match grinding part 11
Carry out centering clamping.
Further, sphere match grinding device also includes multiple pressure sensors 33, multiple pressure sensors 33 circumferentially cloth
Put, and it is corresponding with each top 321 setting Angle Position, during step 104 is performed, the sphere match grinding method is also wrapped
Include：
Control unit 8 judges whether the detected value of each pressure sensor 33 is consistent, is passed if inconsistent according to pressure
The detected value of sensor 33 controls the radial position of the 3rd driving part adjustment corresponding top 321, until the first match grinding part 11 and the
Two match grinding parts 12 uniformly contact, otherwise without adjustment.
A kind of sphere match grinding device provided by the utility model is described in detail above.Tool used herein
The embodiment of body is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help
Understand method and its core concept of the present utility model.It should be pointed out that for those skilled in the art,
On the premise of not departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and
Modification is also fallen into the protection domain of the utility model claims.
Claims (11)
- A kind of 1. sphere match grinding device, it is characterised in that including：Control unit (8), the first driving part, the second driving part And the first clamp assembly (3) and the second clamp assembly (4) being coaxially oppositely arranged, wherein,First clamp assembly (3) is used to fix the first match grinding part (11), and can be in the driving of first driving part It is lower to be moved along axis；Second clamp assembly (4) is used to fix the second match grinding part (12), and can be in the driving of second driving part Under be rotated about axis；The control unit (8) is connected with first driving part and the second driving part, in the first match grinding part (11) In the state of being contacted with the second match grinding part (12), the control unit (8) can be according to the movement of first clamp assembly (3) Amount controls second driving part to drive second clamp assembly (4) to be rotated with different rotating speeds.
- 2. sphere match grinding device according to claim 1, it is characterised in that also including pressure detecting part, for detecting Contact between the concavo-convex sphere of the first match grinding part (11) and the second match grinding part (12).
- 3. sphere match grinding device according to claim 2, it is characterised in that the control unit (8) is examined with the pressure Part connection is surveyed, the first match grinding part (11) can be judged when the detected value of pressure detecting part reaches preset pressure value Contacted with the second match grinding part (12), and start second driving part and drive second clamp assembly (4) with First Speed Rotate.
- 4. sphere match grinding device according to claim 3, it is characterised in that the control unit (8) can be described After one match grinding part (11) and the contact of the second match grinding part (12) and the amount of movement of first clamp assembly (3) reaches pre-determined distance Afterwards, second driving part is controlled to drive second clamp assembly (4) to switch to second speed to rotate, the second speed More than the First Speed.
- 5. sphere match grinding device according to claim 2, it is characterised in that the pressure detecting part includes pressure sensing Device (33), the pressure sensor (33) be located at first clamp assembly (3) be used for install the first match grinding part (11) and With second clamp assembly (4) on relative face.
- 6. sphere match grinding device according to claim 1, it is characterised in that first clamp assembly (3) includes fixture Main body (31) and positioning adjustment part (32), the positioning adjustment part (32) are located at the jig main body (31) and described second On the relative face of clamp assembly (4), for carrying out centering adjustment to the first match grinding part (11).
- 7. sphere match grinding device according to claim 6, it is characterised in that the positioning adjustment part (32) is included at least Three top (321) being evenly distributed and for driving the 3rd radially movable driving part of each top (321), it is described Control unit (8) can control each 3rd driving part to drive top (321) to be synchronized with the movement, to realize to described first The clamping or release of match grinding part (11).
- 8. sphere match grinding device according to claim 7, it is characterised in that more also including multiple pressure sensors (33) The individual pressure sensor (33) circumferentially, and, the control corresponding with the setting Angle Position of each top (321) Part (8) processed can be when the detected value of each pressure sensor (33) be inconsistent, according to the inspection of the pressure sensor (33) Measured value controls the radial position of the 3rd driving part adjustment corresponding top (321), until the first match grinding part (11) and second Match grinding part (12) uniformly contacts.
- 9. sphere match grinding device according to claim 2, it is characterised in that the control unit (8) can be described During two clamp assemblies (4) are rotated with different rotating speeds, controlling the displacement of first driving part examines the pressure The detected value for surveying part is consistent.
- 10. sphere match grinding device according to claim 1, it is characterised in that the first match grinding part (11) be hydraulic pump/ The cylinder body of motor, the cylinder body have concave spherical surface (A), and the second match grinding part (12) is the valve plate of hydraulic pump/motor, described Valve plate has convex spherical (B)；Or the valve plate that the first match grinding part (11) is hydraulic pump/motor, the second match grinding part (12) is hydraulic pump/motor Cylinder body.
- 11. sphere match grinding device according to claim 1, it is characterised in that first clamp assembly (3) and the second folder Tool component (4) is oppositely arranged up and down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720211384.0U CN206653226U (en) | 2017-03-07 | 2017-03-07 | Sphere match grinding device |
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| CN201720211384.0U CN206653226U (en) | 2017-03-07 | 2017-03-07 | Sphere match grinding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695494A (en) * | 2017-03-07 | 2017-05-24 | 徐工集团工程机械有限公司 | Spherical surface match grinding device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695494A (en) * | 2017-03-07 | 2017-05-24 | 徐工集团工程机械有限公司 | Spherical surface match grinding device and method |
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Effective date of registration: 20220727 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 Industrial Zone, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |