CN107009212B - Grinding attachment - Google Patents
Grinding attachment Download PDFInfo
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- CN107009212B CN107009212B CN201611028322.2A CN201611028322A CN107009212B CN 107009212 B CN107009212 B CN 107009212B CN 201611028322 A CN201611028322 A CN 201611028322A CN 107009212 B CN107009212 B CN 107009212B
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- China
- Prior art keywords
- grinding
- piston
- cylinder
- revolving wheel
- support plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
- B24B19/10—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding pistons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
Abstract
Grinding attachment provided by the invention is able to carry out high-precision two-sided planar grinding.In the grinding attachment for carrying out Double face grinding processing to the cylinder and piston that constitute Rotary Compressor, have: a pair of of revolving wheel, they are spaced apart on identical axis of rotation and are opposed to configure；Support plate is inserted between a pair of of revolving wheel；Rotating mechanism rotates support plate；Control unit, it controls the movement of revolving wheel and rotating mechanism, the recess portion for keeping cylinder or piston is provided in support plate, control unit carries out control as follows, i.e., support plate is rotated using rotating mechanism, and Double face grinding processing alternately is carried out to the cylinder and piston for being held in recess portion using revolving wheel.
Description
Technical field
The present invention relates to the grinding attachments for being able to carry out high-precision two-sided planar grinding.
Background technique
There is known a kind of two-sided planar grindings in the past, were configured at upper and lower a pair of of revolving wheel and insertion using having
The grinding attachment of support plate between the revolving wheel, using upper and lower revolving wheel simultaneously to the two of the workpiece for being set to support plate
A end face carries out flat surface grinding.For example, to the groups of cylinder 3 and piston 4 for constituting Rotary Compressor 11 shown in fig. 6 into
In the case where row two-sided planar grinding, grinding is carried out using the grinding attachment for being respectively arranged at individual processing line.
Therefore after grinding, the thickness of cylinder 3 and piston 4 is separately measured, and feedback is carried out based on the measurement data and is repaired
Just, the approach of grinding wheel is adjusted by NC control, maintains defined thickness.
But there is problems in that due to apparatus casing because outside air, cooling medium influence due to thermally expand or heat
Displacement, or constitute the sharpness work in-process of revolving wheel of two-sided planar grinding attachment and change, thus grinding
The difference of the thickness of cylinder 3 and piston 4 afterwards leads to the problem of deviation, and it is possible to increase the leakage loss of compressor.Though
The chimeric operation for combining cylinder 3 with piston 4 is so carried out, but the difference of the thickness of cylinder 3 and piston 4 is 4 μm in deviation amplitude
Left and right.
Such as in the workpiece mounting apparatus of the two-sided planar grinding machine disclosed in following patent documents 1, it is configured to have recessed
A pair of of runing rest in portion is configured at the support plate that can be entered and left between a pair of of revolving wheel in a way freely spinning way.A pair of rotation
Turn bracket composition are as follows: be configured in the range of can be ground simultaneously in support plate, prop up intermediate drive gear with each rotation respectively
The periphery gear of frame engages, and each intermediate drive gear is made to be engaged in individual drive motor.That is, 1 drive motor can be utilized
Make the rotation driving of a pair of of runing rest, to the more than two workpiece for being held in runing rest while carrying out Double face grinding and add
Work.
Patent document 1: Japanese Unexamined Patent Publication 2000-271842 bulletin
Above patent document 1 is the structure being ground simultaneously to two kinds of components with same apparatus, is not one side confirmation
The thickness of workpiece, the structure for being alternately carried out grinding on one side.Therefore there are the thickness of cylinder and piston after grinding
Difference generate deviation, the case where needing the chimeric operation of the component in assembling procedure.
Summary of the invention
The present invention is made in order to solve the above problems, and it is an object of the present invention to provide following grinding attachment, grinding dress
Set especially to constitute Rotary Compressor cylinder and piston carry out two-sided planar grinding when, be able to carry out high-precision mill
Processing is cut, and is able to suppress the deviation amplitude of the difference of the thickness of the cylinder after grinding and piston.
As the means for solving the above subject, grinding attachment of the invention is to the cylinder and work for constituting Rotary Compressor
The processing of row Double face grinding is filled in, the grinding attachment has: a pair of of revolving wheel, they are in the same axis of rotation overhead standard width of a room in an old-style house
Every and be opposed to configure；Support plate is inserted between the pair of revolving wheel；Rotating mechanism rotates the support plate；
And control unit, the movement of the revolving wheel and the rotating mechanism is controlled, the support plate is provided with guarantor
The recess portion of the cylinder or the piston is held, the control unit carries out control as follows, that is, make using the rotating mechanism described
Support plate rotation, and it is alternately double to the cylinder for being held in the recess portion and piston progress using the revolving wheel
Cross grinding processing.
Preferably, have vibration detecting unit, detect by the grinding load in the cylinder or the Piston Machining
The vibration of generation, the control unit control the movement of the revolving wheel based on the detected value of the vibration detecting unit.
Preferably, have variation detection unit, detect the cylinder or the piston relative to grinding load
It changes, the control unit controls the movement of the revolving wheel based on the detected value for changing detection unit.
Preferably, the control unit carries out control as follows, that is, is set to V0's in the grinding conveying speed of revolving wheel
In the case of, and the constant of the free-cutting machinability of the material of the cylinder and the piston is set as A1, and the area being ground
In the case where for As, grinding conveying speed V0 is switched to best grinding conveying speed V=A1 × V0 ÷ As.
Grinding attachment of the invention can make support plate rotation come alternately to the cylinder for being held in recess portion in the same apparatus
With piston carry out Double face grinding processing, even if therefore such as apparatus casing because outside air, cooling medium influence due to heat it is swollen
The sharpness work in-process of swollen or thermal walking or revolving wheel changes, and is also able to suppress the thickness of cylinder and piston
Difference deviation amplitude.
In addition, due to the processing for carrying out cylinder and piston every time, it is alternately anti-to Working position by rotating support plate
Supply, the discharge of cylinder and piston are carried out again, therefore for example during being ground to cylinder, can measure the thickness of piston
Degree, can on one side the grinding to revolving wheel convey be finely adjusted, while be ground.
That is, can cancel previous required since grinding attachment of the invention is able to carry out high-precision grinding
Chimeric operation, improve manufacture efficiency, and then the leakage loss that can reduce compressor makes its stabilisation.
Detailed description of the invention
Fig. 1 is the amplification stereogram for briefly indicating the major part of grinding attachment of embodiments of the present invention 1.
Fig. 2 is the control block diagram of the grinding attachment of embodiments of the present invention 1.
Fig. 3 (A) is the processing dimension error indicated using cylinder and piston after grinding attachment processing of the invention
The figure of ongoing change, Fig. 3 (B) are the figures for indicating the distribution of processing dimension error.
Fig. 4 is the amplification stereogram for briefly indicating the major part of grinding attachment of embodiments of the present invention 2.
Fig. 5 is the amplification stereogram for briefly indicating the major part of grinding attachment of embodiments of the present invention 2.
Fig. 6 is the longitudinal section view for briefly indicating an example of structure for Rotary Compressor.
Description of symbols: 1 ... support plate；2a ... recess portion；2b ... recess portion；2c ... recess portion；2d ... recess portion；3 ... cylinders；4…
Piston；5 ... rotating mechanisms；5a ... rotary shaft；6 ... top revolving wheels；7 ... lower part revolving wheels；8 ... acceleration transducers；
9 ... current sensors；10 ... subsequent gauges；11 ... Rotary Compressors；20 ... control units；60 ... upper spindle heads；Under 70 ...
Portion's main tapping；100 ... grinding attachments.
Specific embodiment
Embodiment 1
Next, being illustrated based on embodiment 1 of the attached drawing to grinding attachment of the invention.
Fig. 1 is the amplification stereogram for briefly indicating the major part of grinding attachment of embodiments of the present invention 1.Fig. 2
It is the control block diagram of the grinding attachment of embodiments of the present invention 1.
As shown in Figure 1, the grinding attachment 100 of embodiment 1 is to used in Rotary Compressor 11 (referring to Fig. 6)
When cylinder 3 and piston 4 carry out two-sided planar grinding, realization is formed as the deviation amplitude of the difference of cylinder 3 and the thickness of piston 4
Such as the device of the high-precision grinding within 2 μm.
Grinding attachment 100 has: top revolving wheel 6 and lower part revolving wheel 7, they are in same axis of rotation overhead
The standard width of a room in an old-style house every and be opposed to configure；Support plate 1 is inserted between top revolving wheel 6 and lower part revolving wheel 7；Rotating mechanism
5, rotate support plate 1；Control unit 20, to the movement of top revolving wheel 6, lower part revolving wheel 7 and rotating mechanism 5 into
Row control.
As shown in Figure 1, top revolving wheel 6 and lower part revolving wheel 7 are by having the cup type structure of circular wheel face
At.Top revolving wheel 6 is installed as to rotate by the upper spindle head 60 for the rotation driving for having motor etc..In addition,
Lower part revolving wheel 7 is installed as to rotate by the lower part main tapping 70 for the rotation driving for having motor etc..In addition, omitting
It illustrates in detail, upper spindle head 60 is that can move up and down by having the elastic supports of the conveying mechanism of up and down direction.Another party
Face, lower part main tapping 70 are securely assembled in column.The conveying mechanism of rotation driving and up and down direction is controlled by control unit 20
System.
The direction of rotation of top revolving wheel 6 and lower part revolving wheel 7 can by rotation driving to the same direction or
The different direction of person rotates.In addition, the direction of rotation of top revolving wheel 6 and lower part revolving wheel 7, rotation speed and grinding
Conveying speed is suitably changed according to the type of cylinder 3 and piston 4, thickness.
Under overlook view, support plate 1 is horizontally long circle, and is set to top revolving wheel 6 and lower part rotation by being inserted into
The thickness for turning the degree in the space between grinding wheel 7 is constituted.In addition, the shape of support plate 1 is not limited to embodiment illustrated, but
It can be considered that status of implementation is suitably changed.
In the upper surface of support plate 1, as shown in Figure 1, overlook view support plate 1, keeps the circle of cylinder 3 and piston 4 respectively
Recess portion 2a, 2b, centered on the rotary shaft 5a of rotating mechanism 5 with symmetrical configuration setting there are two.In two recess portions 2a, 2b
In, cylinder 3 is installed in the recess portion 2a of a side, piston 4 is installed in the recess portion 2b of another party.
It is illustrated in detail in addition, omitting, each recess portion 2a, 2b are respectively structured as can be using central axis as rotary shaft rotation, energy
Enough rotate the cylinder 3 for being installed on each recess portion 2a, 2b or piston 4.
Support plate 1 is fixed on the upper end in the rotary shaft 5a of the rotating mechanism 5 of the central part configuration of support plate 1, by rotation
The movement of motor (illustration omitted) and integrally rotated with rotary shaft 5a.Moreover, with the rotation of support plate 1, it can be by each recess portion
2a, 2b are alternately configured at: Working position between top revolving wheel 6 and lower part revolving wheel 7 and being rotated from the position
Exchange position after 180 degree.That is, can be during the cylinder 3 to the recess portion 2a for being installed on a side be ground, to installation
It is measured in the thickness of the piston 4 of recess portion 2b, or replacement piston 4.
Control unit 20 is controller, such as is built in upper spindle head 60.Control unit 20 has: CPU；RAM (random storage
Device), store various data；And ROM (read-only memory), store the rotation of top revolving wheel 6 and lower part revolving wheel 7
Turn the control of the grinding conveying speed in direction, rotation speed and top revolving wheel 6, rotating mechanism 5 for carrying out support plate 1
Deng program etc. (not shown).Control unit 20 is according to the program in ROM, to top revolving wheel 6 and lower part revolving wheel 7
Cutting conveying speed of direction of rotation, rotation speed and top revolving wheel 6 etc. is suitably controlled.
In addition, control unit 20 is preferably carried out control, that is, on top, the grinding conveying speed of revolving wheel 6 is set as
In the case where V0, and A1, the area of grinding are being set by the constant of the free-cutting machinability of the material of cylinder 3 and piston 4
In the case where for As, grinding conveying speed V0 is switched to best grinding conveying speed V=A1 × V0 ÷ As.A1 is for example with processing
When the abrasion loss H0 of 1000 grinding wheels when becoming the workpiece of benchmark is with equally machined 1000 material work pieces for becoming object
The ratio between the abrasion loss H1 of grinding wheel calculate.
As shown in Fig. 2, control unit 20 is connected in input side: acceleration transducer 8 and work as vibration detecting unit
For the current sensor 9 for changing detection unit.Moreover, being connected in outlet side: the driving mechanism of top revolving wheel 6, lower part
The driving mechanism of revolving wheel 7 and the rotating mechanism 5 of support plate 1.
Acceleration transducer 8 be installed on make top revolving wheel 6 rotate rotation driving (motor etc.), to by cylinder 3 with
And the vibration that the grinding load in the processing of piston 4 generates is detected.
Current sensor 9 is installed on the power line for the rotation driving (motor etc.) for rotating top revolving wheel 6, to cylinder
3 and piston 4 relative to grinding load variation detected.
The control unit 20 that signal is detected by acceleration transducer 8 and current sensor 9, based on the detection detected
Value, to control the direction of rotation of top revolving wheel 6 and lower part revolving wheel 7, rotation speed and the mill of top revolving wheel 6
Cut conveying speed.
Next, the grinding movement to grinding attachment 100 is compactly illustrated.
Firstly, for example being calculated with the thickness of cylinder 3 and piston 4 before the measurement grinding of gauge in advance by two
The machining allowance that cross grinding is cut.It is then based on calculated as a result, adjusting top revolving wheel 6 using NC control
Processing starting position, and control grinding load.
Next, carrying out the grinding of the cylinder 3 and piston 4 of two recess portions 2a, 2b being respectively arranged in support plate 1.Mill
Turning device 100 is based on above-mentioned calculated data, such as two-sided planar grinding is carried out since cylinder 3.Operation is ground using control
Portion 20 processed adjusts direction of rotation, the rotation speed of top revolving wheel 6 and lower part revolving wheel 7, and adjustment top rotation on one side
Turn the cutting conveying speed of grinding wheel 6, carry out on one side.At this point, cylinder 3 is rotated using the recess portion 2a of rotation.
In addition, in grinding, the vibration generated by grinding load that control unit 20 is detected based on acceleration transducer 8
The variation of grinding load that is dynamic and being detected relative to current sensor 9, to adjust top revolving wheel 6, lower part rotation sand
The rotation speed of wheel 7, direction of rotation, and carry out the adjustment of the grinding conveying speed of top revolving wheel 6.
Next, control unit 20 is moved upward top revolving wheel 6 if the grinding of cylinder 3 terminates, by
Rotating mechanism 5 makes support plate 1 rotate 180 degree, and the recess portion 2b of piston 4 is equipped with to Working position supply.Then sand is rotated with top
Wheel 6 and lower part revolving wheel 7 carry out the grinding of piston 4.
Once grinding terminates, then the cylinder 3 being discharged from Working position is for example measured with subsequent gauge 10, because of top
In the case that the influence of abrasion, the thermal walking of revolving wheel 6 and lower part revolving wheel 7 dimensionally has deviation, carry out anti-
Feedback Correction and Control carries out grinding after the grinding of piston 4 again.In this way, the thickness of measurement cylinder 3 and piston 4
Degree, and it is alternately carried out grinding.
Here, showing the mill for carrying out cylinder 3 and piston 4 using grinding attachment of the invention in Fig. 3 (A), Fig. 3 (B)
Result after cutting processing.Fig. 3 (A) is the processing dimension indicated with cylinder 3 and piston 4 after grinding attachment processing of the invention
The curve graph of the ongoing change of error, Fig. 3 (B) are the curve graphs for indicating the distribution of processing dimension error.
In Fig. 3 (A), the longitudinal axis indicates the error of processing dimension, at the time of horizontal axis expression has carried out grinding.Such as Fig. 3
(A) shown in, the waveform of the processing dimension error of cylinder 3 and piston 4 is almost the same.Therefore as shown in Fig. 3 (B), by matingly
Assembling supply at each moment has carried out the cylinder 3 and piston 4 of grinding, so as to inhibit cylinder 3 and piston 4 thickness it
The deviation amplitude of difference.
Therefore, the grinding attachment of embodiment 1 can make the rotation of support plate 1 to alternately to utilization in the same apparatus
The cylinder 3 and piston 4 that each recess portion 2a, 2b are kept carry out double end grinding, even if therefore such as apparatus casing because outside air,
The influence of cooling medium and thermally expand or the sharpness of thermal walking or top revolving wheel 6 and lower part revolving wheel 7
Work in-process changes, and is also able to suppress the deviation amplitude of the difference of the thickness of cylinder 3 and piston 4.
In addition, due to the processing for carrying out cylinder 3 Yu piston 4 every time, rotate support plate 1, alternately repeatedly to Working position
Supply, the discharge of cylinder 3 and piston 4 are carried out, therefore can for example measure the thickness of piston 4, Neng Gouyi during being ground cylinder 3
While being finely adjusted to the grinding conveying of top revolving wheel 6, carrying out grinding on one side.
As a result, can cancel previous required chimeric operation due to being able to carry out high-precision grinding, mention
High manufacture efficiency, and then the leakage loss that can reduce compressor makes its stabilisation.
Moreover, based on the information measured with acceleration transducer 8 and current sensor 9, to top revolving wheel 6 with
And the movement of lower part revolving wheel 7 is controlled, therefore can neatly cope with cylinder 3 and piston 4 grinding area and by
The difference of the variation of the volume of processing, the hardness of material is removed, therefore is able to carry out the grinding of higher precision.
In addition, by the way that the machining allowance cut using both ends of the surface grinding is set as within 20 μm, thus as compression
Machine will not generate harmful burr, can cancel deburring operation in rear process.That is, due to that can prevent because of deburring operation
The turned-down edge in edge part, the recess generated, thus it is effective to the reduction of the leakage loss of compressor.
Embodiment 2
Next, being illustrated based on embodiment 2 of the Fig. 4 and Fig. 5 to grinding attachment of the invention.
Fig. 4 and Fig. 5 is briefly to indicate that the amplification of the major part of grinding attachment of embodiments of the present invention 2 is three-dimensional
Figure.In addition it in embodiment 2, is illustrated centered on the difference of embodiment 1, and phase is marked to identical position
Same appended drawing reference, and the description thereof will be omitted.
For the grinding attachment 100 of embodiment 2, under overlook view, support plate 1 is rounded, and by being inserted in
The thickness of degree between top revolving wheel 6 and lower part revolving wheel 7 is constituted.In overlook view support plate 1, in support plate 1
Upper surface is spaced around the rotary shaft 5a of rotating mechanism 5 every 90 degree, and there are four the circles for keeping cylinder 3 and piston 4 for setting
Recess portion 2a~2d of shape.In the case where embodiment 2 shown in Fig. 4, as an example, in recess portion 2a~2d, recessed
Portion 2a, 2c are equipped with piston 4, are equipped with cylinder 3 in recess portion 2b, 2d.
Support plate 1 is integrally rotated with 90 degree of intervals with rotary shaft 5a using the movement of rotation motor (illustration omitted).It is adjoint
The rotation of support plate 1, each recess portion 2a~2d can be configured: the machining position between top revolving wheel 6 and lower part revolving wheel 7
Exchange position after setting and being rotated by 90 ° from the position.That is, during being ground to the cylinder 3 for being installed on recess portion 2a,
It can measure and be installed on the cylinder 3 of recess portion 2b~2d perhaps thickness of piston 4 or replacement cylinder 3 or piston 4.
It is illustrated in detail in addition, omitting, each recess portion 2a~2d is respectively structured as can be using central axis as rotary shaft rotation, energy
Enough rotate the cylinder 3 for being installed on each recess portion 2a~2d or piston 4.
Next, compactly being illustrated to the grinding movement of the grinding attachment 100 of embodiment 2.
Firstly, for example being measured with thickness of the gauge in advance to cylinder 3 and piston 4 before grinding, calculate
The machining allowance cut is ground by both ends of the surface.Then, based on calculated as a result, adjusting top rotation using NC control
Turn the processing starting position of grinding wheel 6, and controls grinding load.
Next, carrying out the grinding of the cylinder 3 and piston 4 of four recess portion 2a~2d for being respectively arranged in support plate 1.Mill
Turning device 100 is based on above-mentioned calculated data, such as two-sided planar grinding is carried out since piston 4.Operation is ground using control
Portion 20 processed adjusts the rotation speed of top revolving wheel 6 and lower part revolving wheel 7, direction of rotation and adjusts top rotation sand
6 cutting conveying speed is taken turns to carry out.At this point, piston 4 is rotated by the recess portion 2a of rotation.
In addition, in grinding, the vibration generated by grinding load that control unit 20 is detected based on acceleration transducer 8
The variation of grinding load that is dynamic and being detected relative to current sensor 9, to adjust top revolving wheel 6, lower part rotation sand
The rotation speed of wheel 7, direction of rotation, and carry out the adjustment of the grinding conveying speed of top revolving wheel 6.
Next, control unit 20 is moved upward top revolving wheel 6 if the grinding of piston 4 terminates, by
Rotating mechanism 5 is rotated by 90 ° support plate 1, and the recess portion 2b of cylinder 3 is equipped with to Working position supply.Then, sand is rotated with top
Wheel 6 and lower part revolving wheel 7 carry out the grinding of cylinder 3.It later rotates further support plate 1, is installed in order
The grinding of the piston 4 of recess portion 2c, be installed on recess portion 2d cylinder 3 grinding.
Once grinding terminates, then from Working position be discharged cylinder 3 or piston 4, such as with subsequent gauge 10 into
Row measurement carries out feedback modifiers in the case where dimensionally there is deviation because of the influence of the abrasion of revolving wheel, thermal walking
Control carries out grinding after the grinding of whole cylinder 3 and piston 4 again.In this way, measurement 3 He of cylinder
The thickness of piston 4 and it is alternately carried out grinding.
In addition, show and the structure of cylinder 3 and piston 4 is installed in recess portion 2a~2d in embodiment 2 shown in Fig. 4,
But as shown in figure 5, can also be illustrated in detail by being only equipped with the structure of cylinder 3 in recess portion 2a~2d or omitting, but in recess portion
2a~2d is equipped with the structure of piston 4 only to implement.
That is, the case where if Fig. 5, then it can be relative to the thickness of the piston 4 precomputed, to become optimal thickness
Mode carry out the grinding of cylinder 3.As a result, due to cylinder 3 or piston 4 without processing different materials, hardness,
Therefore inordinate wear, the blocking of grinding wheel can be prevented, and is able to extend amendment interval, therefore productivity can be improved.
Based on embodiment, the present invention is described above, but the present invention is not limited to the knots of above-mentioned embodiment
Structure.Such as in embodiment 1 and 2, the structure for having acceleration transducer 8 and current sensor 9 is illustrated,
But acceleration transducer 8 and current sensor 9 are not provided with to carry out Double face grinding processing, also can sufficiently realize high-precision
Grinding.In addition, in embodiment 1 and 2, although there are two the structure of recess portion 1 and being provided in the setting of support plate 1
The structure of four recess portions is illustrated, but is not limited to above-mentioned number.That is, remark additionally so-called this field for the sake of with caution
Various changes that technical staff carries out as needed, application, the range used are also contained in the purport of the invention (model of technology
Enclose) in.
Claims (2)
1. a kind of grinding attachment carries out Double face grinding processing, the mill to the cylinder and piston that constitute Rotary Compressor
Turning device is characterized in that having:
A pair of of revolving wheel, they are spaced apart on same axis of rotation and are opposed to configure；
Support plate is inserted between the pair of revolving wheel；
Rotating mechanism rotates the support plate；
Control unit controls the movement of the revolving wheel and the rotating mechanism；
Vibration detecting unit, the vibration that detection is generated by the grinding load in the cylinder or the Piston Machining；And
Detection unit is changed, the variation relative to grinding load of the cylinder or the piston is detected,
The recess portion for keeping the cylinder or the piston is provided in the support plate,
The control unit carries out control as follows, that is, rotates the support plate using the rotating mechanism, and utilizes the rotation sand
Wheel alternately carries out Double face grinding processing to the cylinder for being held in the recess portion and the piston, and based on described
Vibration detecting unit and the detected value for changing detection unit control the movement of the revolving wheel.
2. grinding attachment according to claim 1, which is characterized in that
The control unit carries out control as follows, that is, in the case where the grinding conveying speed of revolving wheel is set to V0, and
The case where area that the constant of the free-cutting machinability of the material of the cylinder and the piston is set as A1, and is ground is As
Under, grinding conveying speed V0 is switched to best grinding conveying speed V=A1 × V0 ÷ As.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPPCT/JP2016/051866 | 2016-01-22 | ||
| PCT/JP2016/051866 WO2017126107A1 (en) | 2016-01-22 | 2016-01-22 | Grinding apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107009212A CN107009212A (en) | 2017-08-04 |
| CN107009212B true CN107009212B (en) | 2019-08-27 |
Family
ID=59082567
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621249127.8U Withdrawn - After Issue CN206277214U (en) | 2016-01-22 | 2016-11-21 | Grinding attachment |
| CN201611028322.2A Active CN107009212B (en) | 2016-01-22 | 2016-11-21 | Grinding attachment |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621249127.8U Withdrawn - After Issue CN206277214U (en) | 2016-01-22 | 2016-11-21 | Grinding attachment |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6440872B2 (en) |
| CN (2) | CN206277214U (en) |
| WO (1) | WO2017126107A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017126107A1 (en) * | 2016-01-22 | 2017-07-27 | 三菱電機株式会社 | Grinding apparatus |
| CN112296792A (en) * | 2019-08-02 | 2021-02-02 | 济南福和数控机床有限公司 | Double-station feeding and machining device of double-end-face grinding machine |
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| JP3951048B2 (en) * | 2002-06-27 | 2007-08-01 | 光洋機械工業株式会社 | End face grinding method and apparatus, and work holder |
| JP2009072879A (en) * | 2007-09-21 | 2009-04-09 | Toyo Advanced Technologies Co Ltd | End face grinding method and double-side grinding device |
| CN102626890A (en) * | 2012-04-24 | 2012-08-08 | 安徽合一电气科技有限公司 | Two-sided automatic polishing machine |
| JP2012183626A (en) * | 2011-03-08 | 2012-09-27 | Koyo Mach Ind Co Ltd | Surface grinding method |
| CN206277214U (en) * | 2016-01-22 | 2017-06-27 | 三菱电机株式会社 | Grinding attachment |
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| JPS60183146U (en) * | 1984-05-10 | 1985-12-05 | 大昌精機株式会社 | double head grinder |
| JPH10277896A (en) * | 1997-03-31 | 1998-10-20 | Nippei Toyama Corp | Duplex head grinding machine |
| JP2002307269A (en) * | 2001-04-09 | 2002-10-23 | Nisshin Kogyo Kk | Grinding method and device for connecting rod |
| JP2004268232A (en) * | 2003-03-11 | 2004-09-30 | Sumitomo Heavy Ind Ltd | Grinding attachment and its control method |
-
2016
- 2016-01-22 WO PCT/JP2016/051866 patent/WO2017126107A1/en active Application Filing
- 2016-01-22 JP JP2017562402A patent/JP6440872B2/en active Active
- 2016-11-21 CN CN201621249127.8U patent/CN206277214U/en not_active Withdrawn - After Issue
- 2016-11-21 CN CN201611028322.2A patent/CN107009212B/en active Active
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| JP2000271842A (en) * | 1999-03-26 | 2000-10-03 | Daisho Seiki Kk | Workpiece carrier device for double head surface grinder |
| JP3951048B2 (en) * | 2002-06-27 | 2007-08-01 | 光洋機械工業株式会社 | End face grinding method and apparatus, and work holder |
| JP2004066392A (en) * | 2002-08-06 | 2004-03-04 | Daisho Seiki Kk | Grinding method of vertical type double-head surface grinding machine for machining brake disk |
| JP2009072879A (en) * | 2007-09-21 | 2009-04-09 | Toyo Advanced Technologies Co Ltd | End face grinding method and double-side grinding device |
| JP2012183626A (en) * | 2011-03-08 | 2012-09-27 | Koyo Mach Ind Co Ltd | Surface grinding method |
| CN102626890A (en) * | 2012-04-24 | 2012-08-08 | 安徽合一电气科技有限公司 | Two-sided automatic polishing machine |
| CN206277214U (en) * | 2016-01-22 | 2017-06-27 | 三菱电机株式会社 | Grinding attachment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107009212A (en) | 2017-08-04 |
| JPWO2017126107A1 (en) | 2018-04-19 |
| CN206277214U (en) | 2017-06-27 |
| WO2017126107A1 (en) | 2017-07-27 |
| JP6440872B2 (en) | 2018-12-19 |
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