CN101907097A - Coaxial bearing assembly method for rotary compressor, rotary compressor, and coaxial bearing assembly device for rotary compressor - Google Patents
Coaxial bearing assembly method for rotary compressor, rotary compressor, and coaxial bearing assembly device for rotary compressor Download PDFInfo
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- CN101907097A CN101907097A CN2010101434584A CN201010143458A CN101907097A CN 101907097 A CN101907097 A CN 101907097A CN 2010101434584 A CN2010101434584 A CN 2010101434584A CN 201010143458 A CN201010143458 A CN 201010143458A CN 101907097 A CN101907097 A CN 101907097A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
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Abstract
The invention provides a simple coaxial bearing assembly method capable of assembling at high speed and high accuracy and having low affection to peripheral environment. The inventive coaxial bearing assembly method for rotary compressor is a coaxial bearing assembly method for rotary compressor which performs bearing coaxial assembling without injecting oil in the rotary compressor, according to the workpiece where the main bearing is fixed on the workpiece cylinder by bolts and the supplementary bearing is temporarily fixed on the workpiece cylinder at bolt loosing state, after the supplementary bearing is clamped, the workpiece is pushed to the direction opposite to the shaft eccentric direction and the supplementary bearing is swung, simultaneously the shaft and swing of the supplementary bearing are in synchronous rotation, the swing track of the supplementary bearing is detected by a position sensor to calculate the approximate circle center of the main bearing, and the center of the supplementary bearing is aligned to the approximate circle center.
Description
Technical field
The present invention relates to the coaxial bearing assembling method of rotary compressor.In detail, relate in the rotary compressor assembling procedure can be with the state that in two bearings, does not inject oil simple and carry out the coaxial bearing assembling method of the rotary compressor of aligning at a high speed, accurately.In addition, the rotary compressor that relates to the coaxial bearing assembling method assembling that utilizes this rotary compressor like this.And then, relate to the coaxial bearing assembling device of rotary compressor.
Background technique
In general, two bearings of the bent axle of supporting rotary compressor, since big to the radial load of bearing, so adopt shaft bearing usually as bearing.When the bearing centre of these two shaft bearing was inconsistent, the mechanical damage at bearing portion place became big, caused the decreased performance of rotary compressor, and in the worst case, may produce bearing portion and burn sticking such major accident.In addition,, the mechanical damage of bearing portion is reduced, improve the performance of rotary compressor if make two bearing centre highi degree of accuracy unanimities.Therefore, in order to make the axle center highi degree of accuracy unanimity of two bearings, be necessary bearing is carried out aligning and assembled.
In the prior art, proposed to assemble the scheme (for example with reference to patent documentation 1) of the bearing aligning device of rotary compressor with following operation.
(1) eccentric part of bent axle of roller of having taken in setting-in in cylinder at this two ends configuration main bearing, supplementary bearing, is installed in the assembled body of interim assembling on the mounting platform, moves by making cylinder, with the main bearing fastening device main bearing is fixed on the mounting platform;
(2) in the underpart of bent axle in the axle center of bent axle and the equidirectional phase place setting-up eccentricity of the eccentric direction counterweight of eccentric part relatively;
(3) lower end of bent axle and shaft coupling are linked;
(4) then, drive motor makes crankshaft rotating;
(5) influence by the centrifugal force that produces in eccentrically mounted weight, the relative main bearing of bent axle is tilting with the eccentric direction opposite direction of eccentric part and the vibration rotation, thus supplementary bearing with the horizontal plane of the axle center quadrature of bent axle in the mode oscillating motion of the circular trace of drawing.The track of the supplementary bearing of this moment is measured and storage by the supplementary bearing measuring mechanism;
(6) calculate the center O of track of the circle of this storage;
(7) then, stop motor;
(8) make the action of actuator and back pressure additional mechanism providing additional operation, supplementary bearing is positioned the position of above-mentioned O;
(9) make the action of supplementary bearing pressurizing mechanism, supplementary bearing is pressurizeed;
(10) make the action of bolt screwing machine structure, supplementary bearing is fixed on the cylinder.
Patent documentation 1: No. 2858547 communique of Japan Patent
Summary of the invention
At above-mentioned patent documentation 1 described bearing aligning device, during assembling in order to make axle (bent axle) high speed rotating, in the inside of workpiece, particularly will inject oil at bearing part.Oil not only also is attached to periphery attached to workpiece inside when high speed rotating.At this moment, adhering on the anchor clamps of place work piece under the situation of foreign matter, foreign matter might be attached to workpiece and invade workpiece inside.When foreign matter was invaded workpiece inside, in manufacturing process, compressor can not smooth and easyly rotate, and becomes the vibration cause of increased.
In addition, little in the gap of the inside of workpiece cylinder and rolling piston and in the machine assembled, exist because the oily counteractive influence of oil film can not correctly obtain swinging track to produce problem with axle offset.
In addition, safeguard, operating aspect, the component parts of the bearing aligning device of above-mentioned prior art is many, understanding device integral body needs spended time, the personnel that finish maintenance etc. are limited, housekeeping operation also needs the more time.
The bearing aligning device of above-mentioned prior art so need the pallet on line belt be installed by food tray, makes the environment of operationlocation's periphery also worsen because use oil.And, under the situation that the workpiece after the assembling is reused for some reason, need to clean a subjob, remove attached to the oil on the workpiece.
The present invention is in order to solve the above problems, provide simple and can with at a high speed, highi degree of accuracy finish assembling, surrounding enviroment are influenced the coaxial bearing assembling method of few rotary compressor and the coaxial bearing assembling device of rotary compressor and rotary compressor.
The coaxial bearing assembling method of rotary compressor of the present invention is not inject oil in rotary compressor and the coaxial bearing assembling method of rotary compressor that carries out the coaxial assembling of bearing, it is characterized in that,
Be temporarily fixed at workpiece on the workpiece cylinder for the state that main bearing is fixed by bolts on the workpiece cylinder, supplementary bearing relaxes with bolt, after clamping supplementary bearing, push supplementary bearing to the direction opposite and make its swing simultaneously with the eccentric direction of axle, and axle is rotated synchronously with the swing of supplementary bearing, ask the approximate circle center of calculating main bearing by the swinging track that detects supplementary bearing with position transducer, the center aligning of supplementary bearing is become the approximate circle center.
The coaxial bearing assembling method of rotary compressor of the present invention, be fixed by bolts to the workpiece cylinder for main bearing, the state that supplementary bearing relaxes with bolt is temporarily fixed at the workpiece of workpiece cylinder, after clamping supplementary bearing, push and swing supplementary bearing to the direction opposite with the eccentric direction of axle, axle is rotated synchronously with the swing of supplementary bearing, obtain the approximate circle center of main bearing by the swinging track that detects supplementary bearing with position transducer, the center aligning of supplementary bearing is become the approximate circle center, thus, although prior art needs oil in order to implement assembled with high precision, but the present invention can implement the coaxial assembling of bearing by no oily mode, can not highi degree of accuracy carries out the inside of assembled workpieces cylinder and the gap small workpiece of rolling piston also can be assembled for prior art.Carry out the quality that coaxial assembling can improve rotary compressor by coaxial bearing assembling method with this rotary compressor.
Description of drawings
Fig. 1 is the figure of expression mode of execution 1, is the longitudinal section of single cylinder type workpiece 10.
Fig. 2 is the X-X sectional view of Fig. 1.
Fig. 3 is the figure of expression mode of execution 1, is the longitudinal section of twin-tub type workpiece 25.
Fig. 4 is the figure of expression mode of execution 1, is the plan view of coaxial bearing assembling device 200.
Fig. 5 is the figure of expression mode of execution 1, is the side view of coaxial bearing assembling device 200.
Fig. 6 is the figure of expression mode of execution 1, is the planimetric map of XY worktable 55.
Fig. 7 is the figure of expression mode of execution 1, is the sectional view of workpiece fixing part 35.
Fig. 8 is the figure of expression mode of execution 1, is the planimetric map of supplementary bearing clamping element 99.
Fig. 9 is the figure of expression mode of execution 1, is the sectional view of supplementary bearing clamping element 99.
Figure 10 is the figure of expression mode of execution 1, is the electric wiring diagram of coaxial bearing assembling device 200.
Figure 11 is the figure of expression mode of execution 1, is the figure of the track of expression coaxial bearing assembling device 200.
Figure 12 is the figure of expression mode of execution 1, is the action flow chart of coaxial bearing assembling device 200.
Description of reference numerals
1 ... workpiece bearing (A), 2 ... workpiece cylinder (A), 2a ... pressing chamber, 2b ... suction port, 3 ... pressing chamber gap (A), 4 ... workpiece bearing (B), 5 ... bolt, 6 ... axle (A), 6a ... main shaft, 6b ... countershaft, 6c ... eccentric part, 7 ... piston (A), 8 ... pressing chamber maximal clearance (A), 9 ... bolt, 10 ... single cylinder type workpiece, 11 ... workpiece bearing (C), 12 ... workpiece cylinder (B), 14 ... piston (B), 15 ... plate, 16 ... the between centers crack, 17 ... workpiece cylinder (C), 19 ... piston (C), 20 ... workpiece bearing (D), 21 ... axle (B), 21a ... main shaft, 21b ... countershaft, 21c ... eccentric part, 21d ... eccentric part, 21e ... jack shaft, 22 ... bolt, 23 ... bolt, 24 ... bolt, 25 ... twin-tub type workpiece, 26 ... phase place is determined hole (A), 27 ... blade, 28 ... phase place is determined hole (B), 29 ... clamp portion, 30 ... base plate, 31 ... bolt, 32 ... pallet, 33 ... bolt, 34 ... regulate bolt, 35 ... the workpiece fixing part, 36 ... hexagonal post, 37 ... motor base, 38 ... bolt, 39 ... bolt, 40 ... bolt, 41 ... hexagonal post, 42 ... motor, 42a ... axle, 43 ... bolt, 44 ... shaft coupling, 45 ... axle, 46 ... belt wheel, 47 ... nut, 48 ... bearing unit, 49 ... nut, 50 ... eccentric disk, 51 ... bolt, 52 ... vibration-proof rubber, 53 ... hexagonal post, 54 ... bolt, 55 ... XY worktable, 56 ... belt, 57 ... belt wheel, 58 ... axle, 59 ... nut, 60 ... bearing unit, 61 ... bolt, 62 ... clamping element, 63 ... bolt, 64 ... pawl, 65 ... bolt, 66 ... bolt, 67 ... control panel, 68 ... sequencer, 69 ... circuit breaker, 70 ... bolt, 71 ... the Y-axis track, 72 ... bolt, 73 ... the Y piece, 74 ... bolt, 75 ... the Y-axis base, 76 ... Y-axis anchor plate (A), 77 ... bolt, 78 ... the Y-axis ball screw, 79 ... Y-axis ball screw piece, 80 ... the Y-axis clutch, 81 ... Y-axis anchor plate (B), 82 ... bolt, 83 ... the Y-axis shaft coupling, 84 ... the Y-axis motor, 85 ... the X-axis track, 86 ... bolt, 87 ... the X piece, 88 ... bolt, 89 ... the X-axis base, 90 ... X-axis anchor plate (A), 91 ... bolt, 92 ... the X-axis ball screw, 93 ... X-axis ball screw piece, 94 ... the X-axis clutch, 95 ... X-axis anchor plate (B), 96 ... bolt, 97 ... the X-axis shaft coupling, 98 ... the X-axis motor, 99 ... the supplementary bearing clamping element, 100 ... carriage, 101 ... bolt, 102 ... bolt, 103 ... cylinder, 104 ... the sensor retainer, 105 ... position transducer, 106 ... bolt, 107 ... bolt, 108 ... clamp lever, 109 ... cylinder, 110 ... bolt, 113 ... phase place is determined pin, 114 ... bolt, 115 ... cylinder, 116 ... bolt, 117 ... guiding element, 118 ... bolt, 119 ... cylinder, 120 ... bolt, 121 ... nut, 122 ... voussoir, 123 ... clamping element, 124 ... the guiding element limitation part, 125 ... the guiding element lid, 126 ... the gap, 127 ... trajectory, 128 ... approximate circle, 129 ... the approximate circle center, 130 ... sequencer CPU, 131 ... input unit, 132 ... output unit, 133 ... motor controller, 134 ... the AD converter unit, 135 ... sensor, 136 ... the motor amplifier, 137 ... air valve, 140 ... bearing, 200 ... the coaxial bearing assembling device.
Embodiment
Mode of execution 1.
Fig. 1 to Figure 12 is the figure of expression mode of execution 1, Fig. 1 is the longitudinal section of single cylinder type workpiece 10, Fig. 2 is the X-X sectional view of Fig. 1, Fig. 3 is the longitudinal section of twin-tub type workpiece 25, Fig. 4 is the plan view of coaxial bearing assembling device 200, Fig. 5 is the side view of coaxial bearing assembling device 200, Fig. 6 is the planimetric map of XY worktable 55, Fig. 7 is the sectional view of workpiece fixing part 35, Fig. 8 is the planimetric map of supplementary bearing clamping element 99, and Fig. 9 is the sectional view of supplementary bearing clamping element 99, and Figure 10 is the electric wiring diagram of coaxial bearing assembling device 200, Figure 11 is the figure of the track of expression coaxial bearing assembling device 200, and Figure 12 is the action flow chart of coaxial bearing assembling device 200.
With reference to Fig. 1 single cylinder type workpiece 10 is described.Single cylinder type workpiece 10 in the inner space of workpiece cylinder (A) 2, take at least axle (A) 6 eccentric part 6c, be entrenched in the piston (A) 7 of the periphery of eccentric part 6c.The axial two end part of workpiece cylinder (A) 2 are stopped up by workpiece bearing (A) 1 (bearing) and workpiece bearing (B) 4 (bearing).On the terminal section rank (product) that assembling is finished, workpiece bearing (A) 1 and workpiece bearing (B) 4, each personal bolt 5 and bolt 9 are fixed on the workpiece cylinder (A) 2.
The main shaft 6a of workpiece bearing (B) 4 supporting axles (A) 6, the countershaft 6b of workpiece bearing (A) 1 supporting axle (A) 6.
For the single cylinder type workpiece 10 (workpiece) of the object that becomes coaxial bearing assembling device 200, its workpiece bearing (B) 4 is fixed on the workpiece cylinder (A) 2, and the state that workpiece bearing (A) 1 relaxes with a plurality of bolts 5 is temporarily fixed on the workpiece cylinder (A) 2.
Promptly be, in Fig. 1, workpiece cylinder (A) 2 and a plurality of bolts 9 of workpiece bearing (B) 4 usefulness are fixed into, be positioned at pressing chamber gap (A) 3 between piston (A) 7 and the workpiece cylinder (A) 2 in a direction on the circumference, in the axial range corresponding, become given size A as design specification with the eccentric part 6c of axle (A) 6.
A direction on the so-called circumference is meant, in the scope of about 90 degree degree of nearby (the counterrotating direction side) of not shown exhaust port, pressing chamber gap (A) 3 become the direction of (7～26 microns) between minimum crack.
By such formation, improved the COP (efficiency factor) of compressor.
Be fixed with the workpiece cylinder (A) 2 of workpiece bearing (B) 4, the size of axle (A) 6 by mensuration, confirm whether pressing chamber gap (A) 3 that a direction on circumference is positioned at 2 in piston (A) 7 and workpiece cylinder (A) becomes given size A as design specification at the axial range corresponding with the eccentric part 6c of axle (A) 6.At pressing chamber gap (A) 3 is not under the situation of given size A, adjusts a plurality of bolts 9 so that become given size A.
In addition, the main shaft 6a of axle (A) 6 is inserted in the workpiece cylinder (A) 2 that is fixed with workpiece bearing (B) 4, and then is inserted in the workpiece bearing (B) 4.
In addition, piston (A) 7 is embedded the eccentric part 6c of axle (A) 6.
And then, workpiece bearing (A) 1 be inserted in the axle (A) 6 countershaft 6b.Workpiece bearing (A) 1, the state that relaxes with a plurality of bolts 5 is temporarily fixed at workpiece cylinder (A) 2.The single cylinder type workpiece 10 of this state is inserted in the coaxial bearing assembling device 200.
Promptly be that workpiece bearing (B) 4 is fixed on workpiece cylinder (A) 2 and workpiece bearing (A) 1 is temporarily fixed at the state on the workpiece cylinder (A) 2.
Fig. 2 is the X-X sectional view of Fig. 1, is the figure that the involutory surface of the workpiece bearing (A) 1 of single cylinder type workpiece 10 and workpiece cylinder (A) 2 is watched from workpiece bearing (A) 1 side as section.As shown in Figure 2, workpiece cylinder (A) 2 global shape planes are watched to circular substantially, have the cross section at the cardinal principle central part and are circular pressing chamber 2a (space).
And then, at workpiece cylinder (A) 2, offer the phase place of when determining the phase place of devices and workpiece cylinder (A) 2 with coaxial bearing assembling device 200, using and determine that hole (A) 26 and phase place determine hole (B) 28.
Then, twin-tub type workpiece 25 (workpiece) is described.In Fig. 3, workpiece cylinder (C) 17 (workpiece cylinder) and workpiece bearing (D) 20 (bearing) utilize the method same with the workpiece cylinder (A) 2 of single cylinder type workpiece 10 and workpiece bearing (B) 4, fix with a plurality of bolts 24.
And then workpiece cylinder (B) 12 (another workpiece cylinder) and workpiece bearing (C) 11 (bearing) are also used the method same with the workpiece cylinder (A) 2 of single cylinder type workpiece 10 and workpiece bearing (B) 4, and be fixing with a plurality of bolts 22.
Assembling sequence to twin-tub type workpiece 25 describes.
(1) workpiece cylinder (C) 17 and workpiece bearing (D) 20 are fixed with a plurality of bolts 24 as mentioned above.
(2) workpiece cylinder (B) 12 and workpiece bearing (C) 11 are fixed with a plurality of bolts 22 as mentioned above.
(3) the main shaft 21a of axle (B) 21 is inserted into workpiece bearing (D) 20 from workpiece cylinder (C) 17 sides.Then, piston (C) 19 is passed countershaft 21b, eccentric part 21d (countershaft 21b side), jack shaft 21e in order, be installed in eccentric part 21c (main shaft 21a side).
(4) make plate 15 pass countershaft 4b, eccentric part 21d (countershaft 21b side), be installed in jack shaft 21e.Under this state, because just plate 15 is axially passing, so the center misalignment of the center of plate 15 and workpiece cylinder (C) 17.
(5) plate 15 is moved to the axle right angle orientation, the center that is mounted to is aimed at workpiece cylinder (C) 17.
(6) make piston (B) 14 pass countershaft 21b after, be inserted into eccentric part 21d (countershaft 21b side).
(7) workpiece cylinder (B) 12 and the workpiece bearing (C) 11 fixed with a plurality of bolts 22, be inserted into piston (B) 14 and countershaft 21b respectively.
(8) state that at last workpiece cylinder (B) 12 is relaxed with a plurality of bolts 23 clips plate 15 ground and is temporarily fixed at workpiece cylinder (C) 17.Under this state, twin-tub type workpiece 25 is inserted into coaxial bearing assembling device 200.
Then, the formation to coaxial bearing assembling device 200 describes.Below, also coaxial bearing assembling device 200 simply is called device sometimes.
In Fig. 4, be provided with the clamp portion 29 of inserting twin-tub type workpiece 25 at the device core, be fixed on the base plate 30 with a plurality of bolts 31.
In base plate 30, workpiece fixing part 35 is positioned at the center.
In addition,, be provided with the hexagonal post 36 that is used to hang motor base 37, fix with a plurality of bolts 38, bolt 39 at the downside of base plate 30.
Under motor base 37 with a plurality of bolts 40 fixing a plurality of hexagonal posts 41, under hexagonal post 41 with a plurality of bolt 43 fixing motors 42.
Fixed coupling 44 on the axle 42a of motor 42 is at the same stationary axle 45 of the opposition side of shaft coupling 44.
In the way of axle 45, fix the belt wheel 46 of available wedge mechanism fixed position, transmit the rotating force of motors 42 by means of belt 56 to belt wheel 57.
Belt wheel 57 usefulness wedge mechanisms are fixed on the axle 58.
Axle 58 usefulness are fixed on the vibration that bearing unit 60 on the motor base 37 suppresses axle 58 by bolt 65, and are fixing so that spools 58 do not fall with nut 59.
Be provided with the clamping element of fixing with bolt 61 62 on the top of axle 58, a plurality of pawl 64 usefulness bolts 63 are fixing.
For the axle 45 that is fixed in shaft coupling 44 is not fallen, with the nut 47 fastening bearing units 48 that are fixed in motor base 37 with bolt 66.
The top of axle 45 is fixed on the eccentric disk 50 with nut 49, produces the vibration-proof rubber 52 of transverse direction load on eccentric disk 50 with bolt 51 fixing off-centre intentionally.
Vibration-proof rubber 52 is fixed into center off-centre up and down, the time the be everlasting eccentric direction at center of bottom of vibration-proof rubber 52 produce the power of pushing XY worktable 55.
When eccentric disk 50 rotation because the time the be everlasting eccentric direction at center of bottom of vibration-proof rubber 52 produce and push the power of XY worktable 55, so can make workpiece bearing (A) 1 swing as hereinafter described.
For example, when single cylinder type workpiece 10 was installed on device, with respect to the eccentric direction at the center (with respect to top) of the bottom of vibration-proof rubber 52, the eccentric part 6c of axle (A) 6 became opposite direction ground aligning.Its reason aftermentioned.
Vibration-proof rubber 52 uses the padded coaming that suppresses vibration.For example be natural rubber or chloroprene rubber or silicone rubber.At the fixing hexagonal post 53 of vibration-proof rubber 52, the top of hexagonal post 53 is fixed on XY worktable 55 with bolt 54, and lateral load is passed to XY worktable 55.
At the root of hexagonal post 53, the bearing 140 of the rotation of supporting vibration-proof rubber 52 is set.
Fig. 5 is the side view of coaxial bearing assembling device 200, is provided with control panel 67 in the device bottom, the sequencer 68 that accommodates the circuit breaker 69 that cuts off excess current and carry out device control, calculation among control panel 67.The a plurality of bolts 70 of control panel 67 usefulness are fixed on the pallet 32.
Fig. 6 is the planimetric map of XY worktable 55, and two a plurality of bolts 72 of Y-axis track 71 usefulness are fixed on the base plate 30.
On Y-axis track 71, on each bar, fix two Y pieces 73 with a plurality of bolts 74, form Y-axis base 75 and only on Y-axis, move.
In order to drive Y-axis base 75, that Y-axis ball screw piece 79 and Y-axis base 75 is fixing by Y-axis clutch 80 in Y-axis.When discharging Y-axis clutch 80, Y-axis base 75 becomes freedom in Y direction.Y-axis ball screw piece 79 has rotatablely moving of Y-axis ball screw 78 is changed to straight-line function.
Y-axis ball screw 78 is fixing by Y-axis anchor plate (A) 76 and Y-axis anchor plate (B) 81, and a plurality of bolts 77 of Y-axis anchor plate (A) 76 usefulness, a plurality of bolts 82 of Y-axis anchor plate (B) 81 usefulness are fixed on the base plate 30.Y-axis ball screw 78 is linked by Y-axis shaft coupling 83 and Y-axis motor 84.
Article two, a plurality of bolts 86 of X-axis track 85 usefulness are fixed on the Y-axis base 75.On X-axis track 85, fix two X pieces 87 at each bar with a plurality of bolts 88, form X-axis base 89 and only on X-axis, move.
In order to drive X-axis base 89 in X-axis, by X-axis clutch 94 fixedly X-axis ball screw piece 93 and X-axis base 89.
When discharging X-axis clutch 94, X-axis base 89 becomes freedom at X axis.
X-axis ball screw piece 93 has rotatablely moving of X-axis ball screw 92 is varied to straight-line function.
X-axis ball screw 92 is fixing by X-axis anchor plate (A) 90 and X-axis anchor plate (B) 95, and a plurality of bolts 91 of X-axis anchor plate (A) 90 usefulness, a plurality of bolts 96 of X-axis anchor plate (B) 95 usefulness are fixed on the Y-axis base 75.
X-axis ball screw 92 usefulness X-axis shaft couplings 97 link with X-axis motor 98.Has supplementary bearing clamping element 99 at X-axis base 89.
The position transducer 105 usefulness bolts 106 that are used to measure the location of workpiece are fixed on sensor retainer 104.Sensor retainer 104 is contained in the front end of cylinder 103, and cylinder 103 retreats when the dismounting workpiece, advances when locating.
The a plurality of bolts 102 of cylinder 103 usefulness are fixed on the carriage 100.The a plurality of bolts 101 of carriage 100 usefulness are fixed on the base plate 30.
Fig. 7 represents workpiece fixing part 35, and twin-tub type workpiece 25 becomes clamped condition.Two phase places of twin-tub type workpiece 25 usefulness are determined pin 113 definite phase places.Phase place determines that pin 113 usefulness bolts 114 are fixed on clamp portion 29.The a plurality of bolts 31 of clamp portion 29 usefulness are fixed on the base plate 30.
Twin-tub type workpiece 25 usefulness clamp levers 108 are sandwiched in clamp portion 29.Clamp lever 108 usefulness bolts 107 are fixed on the cylinder 109.The a plurality of bolts 110 of cylinder 109 usefulness are fixed on the base plate 30.Cylinder 109 is the clamping cylinders that can be rotated and clamp two sides.
Fig. 8 is the planimetric map of supplementary bearing clamping element 99.Be fixedly clamped from the both sides supplementary bearing (workpiece bearing (A) 1, workpiece bearing (C) 11) of workpiece (single cylinder type workpiece 10, twin-tub type workpiece 25) of clamping element 123.117 constrained vibrations of clamping element 123 usefulness guiding elements move forward and backward with cylinder 115.The a plurality of bolts 116 of cylinder 115 usefulness are fixed, and a plurality of bolts 118 of guiding element 117 usefulness are fixed on the X-axis base 89.
Loosening in order to suppress to clamp, clamping element 123 usefulness voussoirs 122 are fixed.Voussoir 122 moves forward and backward by cylinder 119, and is fixing with nut 121.The front end of voussoir 122 forms taper, tilts to enter clamping element 123 when advancing.The a plurality of bolts 120 of cylinder 119 usefulness are fixed on the X-axis base 89.
Fig. 9 is the sectional view of supplementary bearing clamping element 99.Guiding element 117 has guiding element limitation part 124 and guiding element lid 125, forms gap 126 at guiding element 117 and clamping element 123 when assembling.Clamp supplementary bearing (workpiece bearing (A) 1, workpiece bearing (C) 11) before at clamping element 123, gap 126 is positioned at top, the top of voussoir 122 becomes taper, by voussoir 122 is put under the clamping element 123, clamping element 123 and supplementary bearing (workpiece bearing (A) 1, workpiece bearing (C) 11) are fixed with the state that a little upwards lifts.
Figure 10 is the electric wiring diagram of coaxial bearing assembling device 200.Power supply supplies to sequencer 68 by circuit breaker 69.In the sequencer 68 calculation program of packing into, and the input unit 131 of the signal of the sequencer CPU130 that carries out arithmetic operation of packing into, receiving sensor 135, carry the motor controller 133 of output unit 132, control Y-axis motor 84 and the X-axis motor 98 motor amplifier 136 separately of signals, the analog data of position transducer 105 be transformed into the AD converter unit 134 of digital data to air valve 137.Being to pack into the program in the sequencer CPU130 in the basis with data, device is moved from the input of each unit.
Figure 11 is the track chart of expression by the action of the supplementary bearing (workpiece bearing (A) 1, workpiece bearing (C) 11) of position transducer 105 mensuration.To show with trajectory 127 by the continually varying point that position transducer 105 measures, calculate approximate circle 128, obtain approximate circle center 129 according to trajectory 127.
Then, the flow chart with Figure 12 describes action.In coaxial bearing assembling device 200 as constituted above, single cylinder type workpiece 10 or twin-tub type workpiece 25 are supplied to device with the state of interim assembling.
Is that example describes at this with single cylinder type workpiece 10.For the supply of workpiece by people or robot carry out can, describe with the people at this.
Single cylinder type workpiece 10 is placed on the clamp portion 29, the phase place of workpiece cylinder (A) 2 is determined that hole (A) 26 and phase place determine that hole (B) 28 is inserted into two phase places and determines pin 113 (S10).
When single cylinder type workpiece 10 was installed in device, with respect to the eccentric direction at the center (with respect to top) of the bottom of vibration-proof rubber 52, the eccentric part 6c of axle (A) 6 aimed in advance to become rightabout mode.
With a plurality of clamp levers 108 workpiece cylinder (A) 2 (S11) that is fixedly clamped.
Then, with a plurality of clamping element 123 fixation workpiece bearings (A) 1 (supplementary bearing) backs (S12), a plurality of voussoirs 122 are advanced, fixed clamping piece 123 simultaneously, makes workpiece bearing (A) 1 float (S13).Before this, Y-axis clutch 80 and X-axis clutch 94 are stationary states, but change to releasing state at this.
By catch axle (A) 6 (S14) with a plurality of pawls 64, make motor 42 rotations, make the swing of workpiece bearing (A) 1 and the rotation run-in synchronism (S15) of axle (A) 6.At this moment, as the rotational speed of the swing speed of workpiece bearing (A) 1 and axle (A) 6, for example the swing speed of workpiece bearing (A) 1 is 2 cycle per seconds, and the rotational speed of axle (A) 6 is 120rpm, and the rotation of the swing of workpiece bearing (A) 1 and (A) 6 is synchronous.
If the eccentric horizontal load that produces in the center of the top and the bottom by making vibration-proof rubber 52 acts on the words of XY worktable 55, when single cylinder type workpiece 10 is installed on the device, because central direction (with respect to top) with respect to the bottom of vibration-proof rubber 52, the eccentric part 6c of axle (A) 6 aims in advance to become rightabout mode, so, the horizontal load of vibration-proof rubber 52 is applied to the X-axis base 89 of XY worktable 55, and workpiece bearing (A) 1 pushed to the opposite direction of the eccentric part 6c of axle (A) 6.
The lateral load of vibration-proof rubber 52 shown in the arrow of Fig. 1, is applied on the workpiece bearing (A) 1, and its masterpiece is used for the root (point 11) of eccentric part 6c side of the countershaft 6b of axle (A) 6.For this reason, axle (A) 6 is pressed and swings to the opposition side of the eccentric direction of eccentric part 6c.Therefore, in the pressing chamber gap (A) 3 as minimum clearance, piston (A) 7 does not contact with the inner peripheral surface of workpiece cylinder (A) 2.
In addition, the X-axis base 89 of XY worktable 55 is because be state freely, and the Y-axis base 75 of mounting X-axis base 89 also is a state freely, so, in the movably scope of the workpiece bearing (A) 1 temporary fixed, move to the direction (outside) of the lateral load effect of vibration-proof rubber 52 with bolt 5.
By with motor 42 rotating eccentricity plates 50, the position of the mobile circumferencial direction of the workpiece bearing (A) 1 that is formed by the lateral load of vibration-proof rubber 52 changes constantly.Promptly be that workpiece bearing (A) 1 forms swing.
At this moment, by with the swing of workpiece bearing (A) 1 (aligning) synchronously, make axle (A) 6 rotations by motor 42, the direction of lateral load that acts on the vibration-proof rubber 52 of workpiece bearing (A) 1 becomes the opposite direction of eccentric part 6c, in pressing chamber gap (A) 3, can keep the discontiguous state of inner peripheral surface of piston (A) 7 and workpiece cylinder (A) 2 as minimum clearance.
By the position of a plurality of position transducers 105 mensuration workpiece bearings (A) 1, obtain the data (S16) of trajectory 127.The data of trajectory 127 are for example got 500 data.
Whether the data of judging swinging track circle (trajectory 127) by the standard deviation of the difference of the data of each point and approximate circle no problem (S17).For example, standard deviation is that the words below 2～3 microns are feasible, and its above words then are not all right.
Under the data of swinging track circle are feasible situation, ask with method of least squares by the data of trajectory 127 and to calculate approximate circle 128 and approximate circle center 129 (S18).
Make Y-axis clutch 81 and X-axis clutch 94 become stationary state, use X-axis motor 98 the center aligning of workpiece bearing (A) 1 to be become approximate circle center 129 (S19) with Y-axis motor 84.
After the center aligning of workpiece bearing (A) 1 was become approximate circle center 129, clamping bolt 5 (S20) was confirmed position deflection (S21).If position deflection in specified value, is then return clamping element, finish (S22).
Owing to clamping bolt 5, there is the situation of workpiece bearing (A) 1 position deflection.The specified value of position deflection for example is below 2 microns.
Under the problematic situation of swinging track circle, implement to try again up to three times (S23).Under situation about becoming more than three times, return clamping element and after finishing, carry out abnormal show (S24).
Under because of the problematic situation of restraint location skew, implement to try again up to twice (S25), under situation about becoming more than twice, return clamping element and after finishing, carry out abnormal show (S26).
The root of the countershaft 6b of workpiece bearing (A) 1 and axle (A) 6, (for example some h of Fig. 1) contacts often, slides at a place, but owing to axle (A) 6 rotates with low speed (for example 120rpm), so do not need to inject oil.
Because the swing of workpiece bearing (A) 1 and the rotation of axle (A) 6 are synchronously turned round, so, in the state that the inner peripheral surface of keeping piston (A) 7 and workpiece cylinder (A) 2 is not collided, can make workpiece bearing (A) 1 swing.
Although need oil in the prior art in order to implement assembled with high precision, but the coaxial bearing assembling device 200 of the rotary compressor of present embodiment, can under no deep-fried twisted dough sticks spare, implement coaxial assembling, also can assemble for the inside of the workpiece cylinder (A) 2 that can not carry out assembled with high precision in the prior art and the little single cylinder type workpiece 10 in gap of piston (A) 7.For twin-tub type workpiece 25 too.
Carry out coaxial assembling by coaxial bearing assembling device 200, can improve the quality of rotary compressor with present embodiment.
Claims (7)
1. the coaxial bearing assembling method of a rotary compressor does not inject in rotary compressor and carries out the coaxial assembling of bearing oilyly, it is characterized in that,
For main bearing by be bolted on the workpiece cylinder, supplementary bearing or be fixed with state that other workpiece cylinders of described supplementary bearing relax with bolt and be temporarily fixed at workpiece on the described workpiece cylinder, after clamping described supplementary bearing, push described supplementary bearing to the direction opposite and make its swing simultaneously with the eccentric direction of axle, and described axle is synchronously rotated with the swing of described supplementary bearing, ask the approximate circle center of calculating described main bearing by the swinging track that detects described supplementary bearing by position transducer, the center aligning of described supplementary bearing is become described approximate circle center.
2. the coaxial bearing assembling method of rotary compressor as claimed in claim 1 is characterized in that, when clamping described supplementary bearing, described supplementary bearing is floated from described workpiece cylinder, and other workpiece cylinder slave plates that are fixed with supplementary bearing are floated.
3. the coaxial bearing assembling method of rotary compressor as claimed in claim 1 or 2 is characterized in that, is measured the position of the swing of described supplementary bearing by the position transducer of plural at least quadrature.
4. the coaxial bearing assembling method of rotary compressor as claimed in claim 3, it is characterized in that, ask the calculation approximate circle according to the trajectory data that the swing of being measured described supplementary bearing by described position transducer gets by method of least squares, by calculating the approximate circle center of calculating.
5. the coaxial bearing assembling method of rotary compressor as claimed in claim 4, it is characterized in that, the standard deviation of the trajectory data that utilization gets with the swing of being measured described supplementary bearing by described position transducer and the difference of approximate circle carries out the judgement of described trajectory data.
6. a rotary compressor is characterized in that, the coaxial bearing assembling method by each described rotary compressor in the claim 1 to 5 assembles.
7. the coaxial bearing assembling device of a rotary compressor does not inject in rotary compressor and carries out the coaxial assembling of bearing oilyly, it is characterized in that,
For main bearing by be bolted on the workpiece cylinder, supplementary bearing or be fixed with state that other workpiece cylinders of described supplementary bearing relax with bolt and be temporarily fixed at workpiece on the described workpiece cylinder, after clamping described supplementary bearing, push described supplementary bearing to the direction opposite and make its swing simultaneously with the eccentric direction of axle, and described axle is synchronously rotated with the swing of described supplementary bearing, ask the approximate circle center of calculating described main bearing by the swinging track that detects described supplementary bearing by position transducer, the center aligning of described supplementary bearing is become described approximate circle center.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009132936A JP5235788B2 (en) | 2009-06-02 | 2009-06-02 | Method of assembling a coaxial bearing of a rotary compressor, a rotary compressor, and a bearing coaxial assembling apparatus of a rotary compressor |
| JP2009-132936 | 2009-06-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101907097A true CN101907097A (en) | 2010-12-08 |
| CN101907097B CN101907097B (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010143458.4A Active CN101907097B (en) | 2009-06-02 | 2010-03-17 | Coaxial bearing assembly method for rotary compressor, rotary compressor, and coaxial bearing assembly device for rotary compressor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5235788B2 (en) |
| KR (1) | KR101299888B1 (en) |
| CN (1) | CN101907097B (en) |
| CZ (1) | CZ307333B6 (en) |
Cited By (4)
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|---|---|---|---|---|
| CN102259262A (en) * | 2010-12-20 | 2011-11-30 | 吴江市博众精工科技有限公司 | Method for aligning upper cover and lower cover of electronic product during pressing |
| CN104400374A (en) * | 2014-10-29 | 2015-03-11 | 哈尔滨工业大学 | Double-frame coplanar oriented type self-aligning method and device applied to assembly and measurement of rotor and stator of aircraft engine |
| CN105195895A (en) * | 2015-09-17 | 2015-12-30 | 广东美芝制冷设备有限公司 | Self-aligning assembly method for an electric rotating compressor |
| CN110539161A (en) * | 2019-09-04 | 2019-12-06 | 日本电产东测（浙江）有限公司 | compressor assembly assembling apparatus and compressor manufacturing method |
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| JP5574999B2 (en) * | 2011-02-07 | 2014-08-20 | 三菱電機株式会社 | Method for assembling compression elements of a rotary compressor |
| CN109759736B (en) * | 2019-03-28 | 2023-09-26 | 昆山华恒焊接股份有限公司 | Compressor concentric positioning device and compressor welding system with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102259262A (en) * | 2010-12-20 | 2011-11-30 | 吴江市博众精工科技有限公司 | Method for aligning upper cover and lower cover of electronic product during pressing |
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| CN104400374A (en) * | 2014-10-29 | 2015-03-11 | 哈尔滨工业大学 | Double-frame coplanar oriented type self-aligning method and device applied to assembly and measurement of rotor and stator of aircraft engine |
| CN104400374B (en) * | 2014-10-29 | 2015-10-28 | 哈尔滨工业大学 | Two frames coplanar guide type aligning method and apparatus of stator alignment measurement is turned for aero-engine |
| CN105195895A (en) * | 2015-09-17 | 2015-12-30 | 广东美芝制冷设备有限公司 | Self-aligning assembly method for an electric rotating compressor |
| CN110539161A (en) * | 2019-09-04 | 2019-12-06 | 日本电产东测（浙江）有限公司 | compressor assembly assembling apparatus and compressor manufacturing method |
| CN110539161B (en) * | 2019-09-04 | 2021-06-18 | 日本电产东测（浙江）有限公司 | Compressor assembly assembling apparatus and compressor manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CZ307333B6 (en) | 2018-06-13 |
| KR101299888B1 (en) | 2013-08-23 |
| KR20100130142A (en) | 2010-12-10 |
| JP2010281219A (en) | 2010-12-16 |
| CN101907097B (en) | 2014-03-12 |
| JP5235788B2 (en) | 2013-07-10 |
| CZ2010197A3 (en) | 2010-12-15 |
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