CN1210499C - Multi-cylinder rotary compressor, its assembly method and its assembly device - Google Patents
Multi-cylinder rotary compressor, its assembly method and its assembly device Download PDFInfo
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- CN1210499C CN1210499C CN 01141042 CN01141042A CN1210499C CN 1210499 C CN1210499 C CN 1210499C CN 01141042 CN01141042 CN 01141042 CN 01141042 A CN01141042 A CN 01141042A CN 1210499 C CN1210499 C CN 1210499C
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Abstract
The invention provides a multi-cylinder rotary compressor, method and apparatus of assembling it which uniforms contacting width in axial end face of a roller in rotational axis counter eccentric part of the multi-cylinder rotary compressor and a shaft hole end face part of an intermediate plate over entire periphery of rotational direction, which improves non-uniformity of tightness and simultaneously which includes a bearing part improving air tight performance. The method includes process aligning center of axis Om of the shaft hole in the intermediate plate with center of axis Os of the rotational axis and fixing when the multi-cylinder rotary compressor, constituting to interpose a plurality of cylinders compressing and actuating due to rotation of an eccentric part and the intermediate plate provided to separate adjacent cylinders from each other and including the shaft hole which passes through the rotational axis at the central part between two bearings supporting a rotational shaft which includes a plurality of the eccentric parts, is assembled.
Description
Technical field
The present invention relates to multi-cylinder rotary compressor, its assembly method and assembly apparatus thereof, more particularly, be the improvement about a kind of multi-cylinder rotary compressor, this compressor is between 2 bearings, by intermediate plate, a plurality of compressing mechanisms by same crank-driven is adjoined each other vertically.
Background technique
Fig. 8 is that expression is opened the disclosed sectional view of 2 cylinder rotary compressor major components in the past clear 63-297791 number by the Japanese patent gazette spy.Among the figure, the 1st, as the turning axle of bent axle, on axial diverse location, be provided with 2 eccentric part 1a and 1b, the 1st roller 2 and the 2nd roller 3 are being set respectively on the outer circumferential face of these eccentric parts 1a and 1b with inserting, but by the 1st bearing 4 and the 2nd bearing 5 free rotaring ground supportings of subtend configuration.4a, 5a are integrally formed flange faces on above-mentioned the 1st bearing 4 and the 2nd bearing 5 respectively.Fixing on the 1st cylinder 6, the 2 bearings 5 by bolt 7 on above-mentioned the 1st bearing 4 and fixing the 2nd cylinder 8 by bolt 9.And on each bearing 4 and 5, be installed with respectively and discharge silencing apparatus 10 and 11, the 1 cylinders 6 and the 2nd cylinder 8 and intermediate plate 12 is linked into an integrated entity clampingly by through bolt 13.
With respect to the compression mechanical part that constitutes as described above, be equipped with the rotor 14 and the stator 15 that constitute motor above it, the rotor 14 that securely is installed on the turning axle 1 is turned round by the field drives that stator 15 forms, and thus, by turning axle 1 compression mechanical part is driven.
Compression mechanical part and motor part are accommodated integratedly is bearing in 16 li of seal containers, side face at the 1st cylinder 6 and the 2nd cylinder 8 also is respectively equipped with inlet hole 6a, the 8a that is used to suck refrigerant gas, and the discharge tube 16a of pressurized gas is being set on the top of seal container 16.The 17th, the suction silencing apparatus that the ground connection that links to each other with above-mentioned inlet hole 6a, 8a is provided with.
In the existing 2 cylinder rotary compressors that constitute as described above,, thereby generally all adopt shaft bearing because the radial load that acts on the bearing is bigger.When this shaft bearing when the bearing centre of 2 bearings 4,5 is inconsistent, mechanical loss in the bearing portion is just bigger, the performance of compressor is reduced, because the worst situation is that the major accident that bearing portion ablates might take place, thereby makes the bearing centre of the 1st bearing 4 and the bearing centre of the 2nd bearing 5 be assembled into consistent as much as possible.And, for gas medium is compressed, also require compression mechanical part that higher tightness is arranged, the member that constitutes compression mechanical part must have high accuracy to shape and assembly precision.
Fig. 9 represents the flow process of above-mentioned main contents with the bearing portion assemble sequence in the preceding example.Earlier the 1st roller 2 and the 2nd roller 3 are inserted into respectively on the peripheral part of the eccentric part 1a of turning axle 1 and 1b, the runout of eccentric part 1a and 1b is obtained offset Ra and Rb (step ST1) with respect to turning axle 1 axle center thus when measuring the axle revolution respectively.Then,, on the 1st bearing 4, the 1st cylinder 6 is carried out aligning, make cylinder bore diameter and roller outer diameter mutual noninterference mutually when turning round, and carry out fastening (step ST2) with bolt 7 according to the offset of obtaining.Equally, with bolt 9 fastening the 2nd cylinders 8 and the 2nd bearing 5 (step ST3).Then, turning axle 1 is inserted into 4,5 li on each bearing temporarily, whether proof bar can turn round (step ST4) smoothly.Then, under each bearing 4,5 and intermediate plate 12 have been inserted into state on the turning axle 1, fixed (step ST5) with through bolt 13 than loose ground, the bearing assembly apparatus in figure, do not represented then with 2 bearings, 4,5 alignings, location after fixing tighter (step ST6).
As mentioned above, in the former multi-cylinder rotary compressor, the bearing centre of the bearing centre of the 1st bearing 4 and the 2nd bearing 5 is as one man to assemble as far as possible.But, owing to do not position in the former assembly apparatus to being clamped in 2 intermediate plates 12 between bearing, because of the diameter of through bolt 13 be arranged on the play U that the difference of the diameter of the inserting hole that pass through this bolt 13 (omit among the figure and represent) on the intermediate plate 12 produces, the axle center Os that is arranged on the center O m of the axis hole 12a on the intermediate plate 12 and turning axle 1 may not be consistent, can produce deviation thus.On the other hand, in order to pass through turning axle 1, the diameter Dm of the axis hole 12a on the intermediate plate 12 must be bigger than the diameter Da of turning axle eccentric part 1a, 1b.
Sectional view when Figure 10 represents that the off-centre of the axle center Os of the axis hole center O m of intermediate plate 12 and turning axle 1 is U.Among Figure 10, if the difference of the axle center Os of the axle center 1d of turning axle eccentric part and turning axle 1 is taken as offset Ra.Then roller outer diameter on the anti-eccentric direction of turning axle eccentric part (promptly, leave the minimum direction of distance in turning axle 1 axle center, its length is identical with the radius of turning axle 1) and turning axle 1 axle center Os's can use formula (1) to represent apart from ξ.
ξ＝Da/2-Ra+V (1)
Wherein, V is the thickness that is inserted into the roller 2 in the eccentric part 1a.
On the other hand, the distance il in the axis hole 12a of intermediate plate 12 between the axle center Os of week and turning axle 1 depends on eccentricity value U and its position direction mutually, and the scope of η is represented by formula (2).Dm wherein is arranged on the diameter of the axis hole 12a of intermediate plate 12 central parts.
Dm/2-U≤η≤Dm/2+U (2)
So the contact width δ of the axial end of the roller 2 on the anti-eccentric direction of turning axle eccentric part 1a and the axial end of intermediate plate 12 is along the gyratory directions of turning axle 1 and change, its minimum value δ m is represented by formula (3).
δm＝δ-(Dm/2+U) (3)
Like this, when the axle center Os of the center O m of the axis hole 12a of intermediate plate 12 and turning axle 1 has eccentric U, just produce such position phase, promptly, it makes, and the contact width δ of end face shortens near the axis hole 12a of the axial end of roller 2 and intermediate plate 12; The adaptation of roller 2 and intermediate plate 12 is descended, the tightness of compression mechanical part is reduced, the problem that has the leadkage loss in the compression stroke of making to increase.
The present invention makes for the problem that solves above-mentioned prior art existence, its objective is provides a kind of multi-cylinder rotary compressor, its manufacture method and manufacturing installation thereof, above-mentioned multi-cylinder rotary compressor is that to make the contact width of the axis hole end face portion of the axial end of roller of the anti-eccentric part of turning axle and intermediate plate all be uniform on the full week on the gyratory directions, the inhomogeneous of adaptation improved, and have tightness has been carried out improved bearing portion.
Summary of the invention
According to an aspect of the present invention, a kind of multi-cylinder rotary compressor is provided, it is characterized in that, possess: have the 1st eccentric part that sets gradually vertically and the turning axle of the 2nd eccentric part, be separately positioned on the periphery of above-mentioned the 1st eccentric part and the 2nd eccentric part, the 1st roller that revolves round the sun by the revolution of above-mentioned turning axle and the 2nd roller, the flange face that sets with having mutual subtend, support the 1st bearing and the 2nd bearing of above-mentioned turning axlees by two outsides of above-mentioned 2 eccentric parts, be provided between above-mentioned the 1st bearing and the 2nd bearing and between above-mentioned the 1st eccentric part and the 2nd eccentric part on the corresponding position, intermediate plate with axis hole that above-mentioned turning axle passes through, be installed between above-mentioned the 1st bearing and the intermediate plate, surround the 1st cylinder of above-mentioned the 1st roller that revolves round the sun, be installed between above-mentioned the 2nd bearing and the intermediate plate, surround the 2nd cylinder of above-mentioned the 2nd roller that revolves round the sun, with the above-mentioned the 1st and the 2nd bearing, intermediate plate and the fastening all-in-one-piece fixed mechanism of the 1st and the 2nd cylinder; Above-mentioned the 1st cylinder or the 2nd cylinder, have a plurality of fraisings respectively in the identical position of the distance from the axle center of above-mentioned turning axle with above-mentioned intermediate plate, be provided with the pin that inserts these fraisings, make above-mentioned the 1st cylinder or the 2nd cylinder axis hole central axis be arranged on intermediate plate on the central axis of axis hole and consistent.
Go back in addition on the one hand according to of the present invention, a kind of assembly method of multi-cylinder rotary compressor is provided, it is characterized in that, has following operation, that is: have between 2 bearings of turning axle of a plurality of eccentric parts and install a plurality of cylinders that carry out compressed action by the revolution of above-mentioned eccentric part additional being assembled in supporting, be provided with the cylinder that makes adjacency with being spaced from each other, when central part has the multi-cylinder rotary compressor that the intermediate clapboard of the axis hole that above-mentioned turning axle passes through forms, make intermediate plate and with the cylinder of this intermediate plate adjacency on, the position identical in the distance from the turning axle axle center sets in advance datum hole respectively, with the above-mentioned bearing of bolt break-through, above-mentioned cylinder and above-mentioned intermediate plate are temporary fixed in addition, with locating stud the position of the datum hole of above-mentioned cylinder and above-mentioned intermediate plate is conformed to, fixing a square shaft with chuck holds, make it movable in the plane vertical, make the central axis of above-mentioned two bearings consistent with the central axis of the opposing party's bearing with respect to the opposing party's bearing.
According to another aspect of the invention, a kind of assembly apparatus of multi-cylinder rotary compressor is provided, described multi-cylinder rotary compressor is by installing at least 2 cylinders constituting compressing mechanism between the 1st bearing of the turning axle that has the 1st eccentric part and the 2nd eccentric part in supporting and the 2nd bearing additional and 2 cylinders of adjacency being provided with separatedly and intermediate clapboard that central part has an axis hole that above-mentioned turning axle passes through constitutes, it is characterized in that described assembly apparatus is provided with: base; With the 1st cylinder in above-mentioned at least 2 cylinders or the 1st bearing retaining mechanism fixing with respect to this base; And intermediate plate put on the above-mentioned cylinder that is fixed in by this retaining mechanism on this base, by making fastening device, horizontal pressure foot mechanism contacts with the peripheral part of above-mentioned intermediate plate and above-mentioned intermediate plate is positioned on directions X, by the V font pressing mechanism that is provided with in the face of landing with above-mentioned horizontal pressure foot mechanism being contacted with the peripheral part of above-mentioned intermediate plate and above-mentioned intermediate plate being positioned on the Y direction vertical with this directions X.
In the multi-cylinder rotary compressor of the present invention, have n (n is the integer more than 3) eccentric part, roller and cylinder; Has (n-1) individual intermediate plate.
In the multi-cylinder rotary compressor of the present invention, the 1st cylinder or the 2nd cylinder, intermediate plate are to have locating basis respectively on the identical position of the distance in the axle center of turning axle; Make the central axis that is arranged on the axis hole on the intermediate plate and the corresponding to parts in axle center of above-mentioned turning axle by these locating basiss.
In the multi-cylinder rotary compressor of the present invention, the 1st bearing or the 2nd bearing, intermediate plate are to have locating basis respectively on the identical position of the distance in the axle center of turning axle; Make the central axis that is arranged on the axis hole on the intermediate plate and the corresponding to parts in axle center of above-mentioned turning axle by these locating basiss.
The assembly method of multi-cylinder rotary compressor of the present invention contains following operation, promptly, have between 2 bearings of turning axle of a plurality of eccentric parts and install a plurality of cylinders that carry out compressed action by the revolution of above-mentioned eccentric part additional being assembled in supporting, during multi-cylinder rotary compressor that the intermediate clapboard that be provided with the cylinder that makes adjacency, central part has the axis hole that above-mentioned turning axle passes through forms with being spaced from each other, the jack shaft of axis hole of above-mentioned intermediate plate and the axle center of above-mentioned turning axle are consistently fixed.
In the assembly method of multi-cylinder rotary compressor of the present invention, set in advance locating basis at intermediate plate respectively with the position identical, make the central axis of axis hole of intermediate plate consistent with these locating basiss with the axle center of above-mentioned turning axle with distance from the axle center of turning axle on the cylinder of this intermediate plate adjacency.
In the assembly method of multi-cylinder rotary compressor of the present invention, the identical position of distance from the axle center of turning axle on a side bearing and intermediate plate sets in advance locating basis respectively, makes the central axis of axis hole of intermediate plate consistent with the axle center of above-mentioned turning axle with these locating basiss.
In the assembly method of multi-cylinder rotary compressor of the present invention, to a side bearing and with the cylinder of this side's bearing adjacency carry out aligning fixing after, intermediate plate is put on the above-mentioned cylinder, make the central axis of axis hole of above-mentioned intermediate plate consistent with fastening device with the axle center of an above-mentioned side's bearing.
The assembly apparatus of multi-cylinder rotary compressor of the present invention possesses: base; With above-mentioned the 1st cylinder or the 1st bearing with respect to base and fixing retaining mechanism; Will be by fixing the 1st cylinder of this retaining mechanism or the 1st bearing as benchmark, the central axis of axis hole that makes above-mentioned intermediate plate and the corresponding to positioning means in axle center of above-mentioned turning axle.
In the assembly apparatus of multi-cylinder rotary compressor of the present invention, positioning means is a kind of intermediate plate to be put on the 1st cylinder that is fixed on the base, by pressing plate is contacted carry out the fastening device of directions X and Y direction location with the peripheral part of this intermediate plate.
As mentioned above, if adopt the present invention, because the axle center that can make the axis hole center of intermediate plate and turning axle as one man aligning is fixed, thereby such effect arranged, promptly, the contact width of axle hole end face that can make the axial end of roller and intermediate plate uniformity all on full week of the revolution of turning axle, can make the multi-cylinder rotary compressor that a kind of tightness that makes compression mechanical part has improved.
Because when being included in the assembling multi-cylinder rotary compressor, the operation that the axle center of the central axis of axis hole of intermediate plate and turning axle is consistently fixed, thereby such effect arranged, promptly, the contact width of axis hole end face that can make the end face of roller and intermediate plate uniformity all on full week of the revolution of turning axle, the manufacture method of the high-quality multi-cylinder rotary compressor that a kind of tightness that makes compression mechanical part improved can be provided.
Since have in the assembly apparatus of above-mentioned multi-cylinder rotary compressor base, will above-mentioned the 1st cylinder or the 1st bearing retaining mechanism fixing with respect to base, the 1st cylinder of fixing by this retaining mechanism or the 1st bearing as benchmark, the central axis of axis hole that makes above-mentioned intermediate plate and the corresponding to positioning means in axle center of turning axle, thereby such effect arranged, promptly, the assembly apparatus of the high-quality multi-cylinder rotary compressor that a kind of tightness that makes compression mechanical part improved can be provided.
Description of drawings
Fig. 1 is the sectional view of 2 cylinder rotary compressor major components of expression embodiment of the present invention 1.
Fig. 2 is the sectional view of assembly apparatus of roughly representing 2 cylinder rotary compressors of embodiment of the present invention 3.
Fig. 3 is the sectional view of the major component of presentation graphs 2 illustrated embodiment 3 enlargedly.
Fig. 4 is the flow chart of assembly method of 2 cylinder rotary compressors of the above-mentioned mode of execution 3 of expression.
Fig. 5 is the flow chart of the later details in the bearing aligning location (step ST12) in the expression flow process shown in Figure 4.
Fig. 6 is the major component sectional view of bearing portion assembly apparatus of 2 cylinder rotary compressors of expression embodiment of the present invention 5.
The planimetric map of Fig. 7 aligning method that to be explanation undertaken by the bearing portion assembly apparatus of 2 cylinder rotary compressors of above-mentioned mode of execution 5.
Fig. 8 is the sectional view of the two cylinder rotary compressor major components before the expression.
Fig. 9 is the assembly method flow chart of expression compression mechanical part in the past shown in Figure 8.
Figure 10 is before the explanation in the device, the major component sectional view of the structure when off-centre being arranged between the axle center Os of the axis hole center O m of intermediate plate and turning axle.
Embodiment
Mode of execution 1
Below, with reference to accompanying drawing embodiments of the present invention are described.Fig. 1 is the sectional view of bearing means major component of 2 cylinder rotary compressors of expression embodiment of the present invention 1.Among the figure, the 1st, be arranged on the 1st eccentric part and the 2nd eccentric part on the turning axle 1 as turning axle, 1a and the 1b of bent axle, it is the 1st roller 2 and the 2nd roller 3 of V that thickness is being set respectively on their periphery.1c is the axle center Os of turning axle 1.And 1d is the axle center Oa of above-mentioned the 1st eccentric part 1a, and its offset Ra is provided by formula (4).
Ra＝Oa-Os (4)
Because above-mentioned the 1st roller 2 is installed on the 1st eccentric part 1a, thereby when turning axle 1 revolution, it just revolves round the sun round this turning axle 1.And the 2nd eccentric part 1b is arranged on the 1st eccentric part 1a and is departing from the gyratory directions on 180 ° the position, therefore the 2nd roller 3 also with the position of the 1st roller 2 on depart from 180 ° of ground and carry out revolution motion round turning axle 1.
Above-mentioned turning axle 1 is being supported by the 1st bearing 4 and the 2nd bearing 5, and the 1st bearing 4 has the facial 4a of flange; The 2nd bearing 5 has and the facial 5a of the same flange of the 1st bearing 4 subtends configuration, will be distinguished into a plurality of intervals vertically between these 2 bearings 4,5 by intermediate plate 12.
6 be mounted between intermediate plate 12 and the 1st bearing 4, surround the 1st cylinder that carries out the 1st roller 2 of revolution motion by the revolution of turning axle 1, after the identical aligning as one man in axle center and turning axle 1 axle center, be fixed on the 1st bearing 4 by bolt 7 with it.The center O m of the axis hole 12a of intermediate plate 12 and the axle center Os of turning axle 1 are positioned to consistent after, with intermediate plate 12 with respect to turning axle 1, with the 1st cylinder 6 and the 2nd cylinder 8, link into an integrated entity by through bolt 13 as fixed mechanism.
Constitute the 1st compressing mechanism by the valve that omits expression among above-mentioned intermediate plate the 12, the 1st bearing 4, above-mentioned the 1st cylinder the 6, the 1st roller 2 and the figure etc., again by intermediate plate 12, constitute the 2nd compressing mechanism by the 2nd bearing the 5, the 2nd cylinder the 8, the 2nd roller 3 etc., constitute whole multi-cylinder rotary compressor thus, it is identical with device in the past shown in Figure 8.
Below, the action of 2 cylinder rotary compressors of the mode of execution 1 with said structure is described.When the diameter with the 1st eccentric part 1a was taken as Da, then the external diameter of the 1st roller 2 on the anti-eccentric direction of the 1st eccentric part 1a and turning axle 1 axle center Os's was represented by formula (5) apart from ξ
ξ＝Da/2-Ra+V (5)
On the other hand, because that the center O m of the axis hole 12a of intermediate plate 12 and turning axle 1 axle center Os set for is consistent, thereby week is to be represented by formula (6) entirely on the distance il of the interior week of the axis hole 12a of intermediate plate 12 and turning axle 1 axle center Os edge.Dm is arranged on the diameter of the axis hole 12a of intermediate plate 12 central parts.
η＝Dm/2 (6)
So, on the anti-eccentric direction of the 1st eccentric part 1a, the axial end of the 1st roller 2 and the contact width δ of intermediate plate 12 end faces represent by formula (7).
δ＝ξ-η＝ξ-Dm/2 (7)
Among Fig. 1, what represent with hachure 29 is the revolution direction along the 1st roller 2, the track of the above-mentioned contact width δ that represents to pattern.
As mentioned above, the compressor of embodiments of the present invention 1 is with fixing behind the center O m of the axis hole 12a of the intermediate plate in its bearing means 12 and the direct aligning of turning axle 1 axle center Os, thus, make the contact width δ uniformity of the end face 12a of the roller end face of the anti-eccentric part of turning axle and intermediate plate 12 along the full Zhou Douneng of the revolution of turning axle 1.Therefore at the degree of connecting airtight of full week of the revolution of turning axle 1, the 1st roller 2 and intermediate plate 12 uniformity all, can obtain such effect, a kind of multi-cylinder rotary compressor of better performances promptly, can be provided, this rotary compressor is that the tightness of compression mechanical part is improved, and makes the medium leakage loss reduction in the compression stroke and compression performance is improved.
Mode of execution 2
Above-mentioned mode of execution 1 is a relation of for example understanding intermediate plate 12 and the 1st roller 2, even but also be same to other the intermediate plate that is installed in the compressing mechanism between the 1st bearing 4 and the 2nd bearing 5 with the roller that is inserted in the eccentric part.Promptly, above-mentioned mode of execution 1 is the situation that illustrates under the 2 cylinder occasions, but sets up between 2 bearings by the compressor that intermediate plate, eccentric part, roller and cylinder constitute, and can constitute the above rotary compressor of 3 cylinders.The result, those are had n (n is the integer more than 3) eccentric part, roller and cylinder, have the multi-cylinder rotary compressor of (n-1) individual intermediate plate, also can obtain same effect.
Mode of execution 3
Fig. 2 and Fig. 3 are the assembly apparatus sectional views of 2 cylinder rotary compressors of expression the present invention the 3rd mode of execution.Fig. 2 represents that roughly integrally-built sectional view, Fig. 3 are the sectional views of representing major component enlargedly.Among the figure, the 18th, base; 18a is the mounting hole that is used to be provided with the 1st bearing 4; The 19th, be used for the 1st cylinder 6 be fixed on the upper-end surface of above-mentioned base 18, as the 1st bearing plate of retaining mechanism; The 20th, the upper portion of above-mentioned base 18, with base 18 relatively, the all-in-one-piece top board is set by pillar (omitting expression among the figure); 21 are arranged on the lower face of top board 20, the XY worktable of formation XY positioning means.22 is the 2nd bearing chucks, be fixed on by having being obedient to mechanism 23 and tension detection mechanism 24 of locking mechanism (among the figure omit expression) above-mentioned XY worktable 21 below.The 2nd bearing 5 that clamps with this 2nd bearing chuck 22 is slided by the acting in the plane vertical with the bearing centre of the 1st bearing 4 of stepping motor 25 that is installed on the XY worktable 21, detect the bearing centre position of the 2nd bearing 5 by being fixed on the base 18 the 2nd facial position of bearings feeler mechanism 26, detect the shaft core position of turning axlees 1 by being fixed on turning axle position detecting mechanisms 27 below the base 18.The 28th, the bindiny mechanism of through bolt 13.
The 30th, erectly be arranged on the locating stud above the base 18, be arranged on from corresponding to the position distance of the axle center 1c of turning axle 1 on the position of d.The position Os of axle center 1c of turning axle 1 and the central axis of mounting hole 18a and the axle center of the 1st bearing 4 are as one man constituted.Or is the shaft core position of locating stud 30; 6c is the fraising as locating basis Kc, and its distance that is arranged on from the axle center of the axis hole 6b of the 1st cylinder 6 is on the position of d; 12b is the fraising as locating basis Km, and its distance that is arranged on from the axle center of the axis hole 12a of intermediate plate 12 is on the position of d.
On 2 positions that among above-mentioned locating stud 30, fraising 6c and the 12b any one all is arranged on the position that distance from the axle center of turning axle 1 is radius d, gyratory directions is different, omitted expression among the figure to another position.The part identical or suitable with the former device shown in the above-mentioned mode of execution 1 all used identical symbolic representation, and omits the explanation to them.
When making above-mentioned the 1st cylinder 6 of processing and intermediate plate 12 respectively, earlier respectively along fraising 6c, 12b circumferential, that on 2 positions of regulation, offer formation locating basis Kc, Km, to the pin of not representing to be inserted in these fraisings among the figure and be fixed, after this carry out fine finishing, making the axle center of axis hole 6b, 12a is d from the distance of fraising 6c, 12b, and the axis hole center that just can draw each member thus accurately is with respect to the position of fraising 6c, 12b.
Fig. 4 and Fig. 5 represent to be provided with above-mentioned locating basis, assemble assembly method under the 2 cylinder rotary compressor occasions by above-mentioned assembly apparatus, Fig. 4 is a flow chart of roughly representing to comprise whole operations of locating basis manufacturing procedure, and Fig. 5 is a flow chart of at length representing situation after the aligning operation (step S12) of bearing.
At first, to the 1st cylinder 6, at the fraising 6c (step S1c) of the position of 2 regulations cutting as its locating basis.Then, this fraising of fine finishing 6c (step S2c).Then, the 1st cylinder 6 is positioned, make that from the distance of the shaft core position of each center to the 1 cylinder 6 of 2 fraising 6c of fine finishing be d, with not representing among the figure that chuck fixes (step S3c).Then, the axis hole 6b as the 1st cylinder 6 internal diameters is carried out fine finishing (step S4c).
Equally, for intermediate plate 12, also at the fraising 12b (step S1m) of 2 assigned position cutting as its locating basis.Then, this fraising of fine finishing 12b (step S2m).Then, intermediate plate 12 is positioned, make that the distance from each center of 2 fraising 12b of fine finishing to the shaft core position of intermediate plate 12 is d, fix (step S3m) with the chuck of not representing among the figure.Then, the axis hole 12a as intermediate plate 12 internal diameters is carried out fine finishing (step S4m).
Then, will offer assembly process (step S5) through the 1st cylinder 6 and the intermediate plate 12 of above-mentioned processing.Similarly, supply with assembly process passing through with the 2nd cylinder 8, turning axle the 1, the 1st roller the 2, the 2nd roller 3 and 1 pair of bearing 4,5 etc. of the former identical processing of device.
Then, the 1st roller 2 and the 2nd roller 3 are embedded into respectively on the peripheral part of the eccentric part 1a of turning axle 1 and 1b, eccentric part 1a when measuring turning axle 1 revolution respectively and the runout of 1b are measured the offset (step S6) of turning axle 1 with respect to the axle center thus.Then, the 1st cylinder 6 is carried out aligning, makes the mutual noninterference mutually when revolution of cylinder bore diameter and roller outer diameter, use bolt 7 fastening then according to the offset of trying to achieve, same, the 2nd cylinder 8 carried out aligning after, with bolt 9 with its be connected with the 2nd bearing 5 (step S7).Follow, turning axle 1 is inserted into 4,5 li on each bearing temporarily, smoothly whether proof bar revolution (step S8).Then, each bearing 4,5 and intermediate plate 12 are inserted on the turning axle 1, and under this state, connect (step S9) with through bolt 13 temporarily in addition.
Then, the interim bearing means that connects as described above is set on the base 18 of bearing assembly apparatus of Fig. 2, embodiment of the present invention 3 shown in Figure 3.At this moment, make be arranged on the 1st cylinder 6, as the fraising 6c of locating basis and be arranged on the intermediate plate 12, as the fraising 12b of locating basis respectively with uprightly be arranged on base 18 above assigned position on 2 locating studs 30 (only representing 1 in the drawings) cooperate, make locating stud 30 to insert logical these fraisings 6c, 12b ground is provided with (step S10).
Owing to all be processed into the identical triangle of mutual formation with respect to 2 size and angles that ream between 6c with respect to the shaft core position of axis hole 6b on the size between 2 fraising 12b of the shaft core position of axis hole 12a and angle and the 1st cylinder 6 on the above-mentioned intermediate plate 12, thereby, just make the center and the center of the axis hole 12a of intermediate plate 12 consistent (step S11) of the axis hole 6b of the 1st cylinder 6 by the process of above-mentioned steps S10.Then, carry out the aligning location (step S12) of bearing as illustrated in fig. 5.
Promptly, in Fig. 5, earlier the 1st bearing 4 is fixed on (step ST1) on the base 18 by the 1st bearing plate 19 as retaining mechanism.Then, the 2nd bearing chuck 22 clamps the 2nd bearing 5 (step ST2), stepping motor 25 is driven, thereby make XY worktable 21 move back and forth (step ST3) along directions X earlier, on directions X, carrying out instrumentation and memory (step ST4) in eccentric upper and lower position by the 2nd position of bearings feeler mechanism 26 detected the 2nd bearings 5.
Output value by tension detection mechanism 24 detects above-mentioned upper and lower position.Calculate central value (step ST5) by this upper and lower position, make to be provided with the locking mechanism action of being obedient to mechanism 23, the 2nd bearing 5 is positioned on the central value on the directions X of calculating (step ST6) as the position location of directions X.Then, remove above-mentioned locking mechanism (step ST7) of being obedient to mechanism 23, make XY worktable 21 move back and forth (step ST8) along the Y direction, detecting the 2nd bearing 5 that detected by the 2nd position of bearings feeler mechanism 26 and turning axle position detecting mechanism 27 with the output value of tension detection mechanism 24 can eccentric scope, in this state, the upper and lower position of the 2nd bearing 5 on the Y direction and the upper and lower position of turning axle 1 remembered (step ST9).According to these values, calculate the position location (step ST10) on the Y direction.Then, under the state that makes above-mentioned locking mechanism action (step ST11), make XY worktable 21 actions, the above-mentioned value of calculating that the 2nd bearing 5 is positioned at the Y direction goes up (step ST12), make bindiny mechanism's 28 actions, and make through bolt 13 revolution, the 1st bearing side and the 2nd bearing side are connected and fixed are integral (step ST13).
As mentioned above, if adopt present embodiment 3, then as multi-cylinder rotary compressor, be same with the compressor of above-mentioned mode of execution 1 record, all is uniform to the end face portion contact width δ of the axis hole 12a of end face portion and intermediate plate 12 part along the gyratory directions of turning axle 1 in the Roller Shaft of the anti-eccentric part of turning axle, its result, making the adaptation of the 1st bearing 2 and intermediate plate 12 all is uniform on full week of the revolution of turning axle 1, the effect that the multi-cylinder rotary compressor that can access better performances is arranged, this compression function improves the tightness of compressor, can reduce sewing of compression stroke medium, compression performance is improved.
And, in the assembly process of multi-cylinder rotary compressor, need not reset and be used for the mechanism of instrumentation with respect to the axis hole center O m of the intermediate plate 12 of the axle center Os of turning axle 1, just can carry out aligning as long as locating stud 30 is arranged on the base 18, even under the occasion of the assembly apparatus before utilizing, can realize as long as just also simply transform; In addition, owing to when bearing means being arranged on the base 18, can naturally and understandably the 1st cylinder 6 and intermediate plate 12 being located, thereby the effect that can shorten assembly process, can make is easily just arranged.
Mode of execution 4
In the above-mentioned mode of execution 3, on the 1st cylinder 6,2 positions with predetermined angular are provided with fraising 6c respectively on the position suitable with radius d in turning axle axle center leaving, with this as locating basis Kc, and on intermediate plate 12, in the axle center of leaving turning axle, 2 positions with same angle on the position suitable with radius d are provided with fraising 12b respectively, with this as locating basis Km, but, also can replace above-mentioned the 1st cylinder, flange outer periphery part at the 1st bearing 4, in the axle center of leaving turning axle, on the position suitable with radius d with predetermined angular, the position of for example omitting expression among 2 figure on 90 ° is provided with fraising respectively, with this as locating basis Kf; In when assembling, make locating stud 30 insert logical these fraisings, just can carry out aligning thus, make the axle center of the axle center of the 1st bearing 4 and intermediate plate 12 consistent.
Under this occasion, between intermediate plate 12 that is provided with locating basis and the 1st bearing 4, add the 1st cylinder 6, as long as but the inserting hole that such size is set on the 1st cylinder 6 is just passable, promptly, locating stud 30 can be since the 1st bearing, cross over intermediate plate ground inserts logically, form by locating stud 30 and to locate and do not constitute supporting.Locating basis is at the 1st bearing 4 and the 1st cylinder 6 those sides in the explanation above, but also can implement like this 2nd bearing 5 and the 2nd cylinder 8 those sides.
Like this, by on the 1st bearing 4 and the intermediate plate 12, leaving on the position of turning axle 1 axle center 1c equidistance, locating basis Kf and Km are set respectively, can obtain the effect same with mode of execution 2, promptly, the contact width δ of the axis hole end face of roller end face and intermediate plate is along whole full week of turning axle uniformity, can improve the inhomogeneous of adaptation, can improve the tightness of compression mechanical part, can reduce the leadkage loss of compression stroke medium.
All illustrated at intermediate plate the 12, the 1st bearing 4 or the 1st cylinder 6 in the above-mentioned mode of execution 3 and 4 or on the 2nd bearing the 4, the 2nd cylinder 8, offered situation as the fraising of locating basis Km, Kf or Kc, but, the mode of locating basis is not limited to fraising, and the position that locating basis is set also is not limited to above-mentioned mode of execution.In addition, when being provided as the fraising of locating basis, the number of fraising can also be more than 2.
Mode of execution 5
Fig. 6, Fig. 7 are the schematic representation of the major component of the bearing assembly apparatus of 2 cylinder rotary compressors of explanation embodiment of the present invention 5 and assembly method, and Fig. 6 is that cross-sectional side view, Fig. 7 are the planimetric maps of explanation aligning method.Among the figure, 6 is the 1st cylinders, and its peripheral part 6d is finish-machined to the diameter of regulation in advance accurately with respect to the axle center of axis hole 6b.The 12nd, intermediate plate, its peripheral part 12c are finish-machined to the diameter of regulation in advance accurately with respect to the axle center of axis hole 12a, and on right-hand regulation position shown in Figure 7, are provided with directions X location notch 12d from the certain length in axis hole 12a axle center.
31 are arranged on the horizontal pressure foot mechanism on the base 18, when its right from Fig. 7 being stretched out repeatedly left by control device 32 effects, be provided with the contacted horizontal pressure foot of the peripheral part 6d bottom 31a and the horizontal pressure foot top 31b of the 1st cylinder 6 with being integral, above-mentioned horizontal pressure foot top 31b is when this horizontal pressure foot bottom 31a contacts with the peripheral part 6d of the 1st cylinder 6, contact with the notch 12d of intermediate plate 12, carry out the location of the directions X of intermediate plate 12 thus.Promptly, the radius size of the peripheral part 6d of the 1st cylinder 6 equals from the axle center of intermediate plate 12 to add distance horizontal pressure foot top 31b and the horizontal pressure foot bottom 31a to the distance of notch 12d.
The 33rd, with the V font pressing mechanisms of above-mentioned horizontal pressure foot mechanism 31 in the face of landing and being provided with, by the X-axis with respect to the shaft core position by turning axle 1 is contacted with the peripheral part 12c of intermediate plate 12 with the V font 33a of portion, the 33b that equal angles forms, just can on the Y direction vertical, intermediate plate 12 be located with directions X.Constitute positioning means 34 by above-mentioned horizontal pressure foot mechanism 31, control device 32 and V font pressing mechanism.For convenience of explanation, the 1st bearing plate 19 shown in Figure 7 omits expression in Fig. 6, the X-axis direction of positioning means 34 shown in Figure 7 is illustrated among Fig. 6 with turning axle 1 and staggers on 90 ° the position.The part that other identical symbolic representations are identical or suitable, and omission is to their explanation.
As described above in the bearing assembly apparatus of the multi-cylinder rotary compressor of the mode of execution 5 of Gou Chenging, being arranged on the base 18 as the bearing means that is assembled body, similarly the 1st bearing 4 and the 1st cylinder 6 being carried out aligning with existing known technology fixes, similarly the 2nd bearing 5 and the 2nd cylinder 8 being carried out aligning fixes, after this make 31 actions of horizontal pressure foot mechanism, make horizontal pressure foot advance to horizontal pressure foot bottom 31a and contact with the peripheral part 6d of the 1st cylinder 6.The location that can be undertaken with respect to the directions X of the 1st cylinder 6 by 31 pairs of intermediate plates of this horizontal pressure foot mechanism 12 just.Then, V font pressing mechanism 33 is advanced to right-hand highlightedly from the left of figure, with intermediate plate 12 clampings, just can carry out location on the Y direction vertical to intermediate plate 12 with the horizontal pressure foot top 31b of subtend by this V font pressing mechanism with directions X.As described above, after positioning by positioning means 34, press part is fixed into one by through bolt 13 as fixed mechanism.
Like this, if adopt present embodiment 5, in advance the periphery of the 1st cylinder 6 is finish-machined to accurately the diameter of regulation, in advance the periphery of intermediate plate 12 is finish-machined to accurately the diameter of regulation, meanwhile, the notch 12d of location usefulness is set at the certain-length place of directions X in advance,, just can carries out the aligning at the axis hole center of the axle center of turning axle and intermediate plate indirectly as long as compressed with the chuck special anchor clamps that are arranged on the mounting platform.Therefore under the occasion of this mode of execution, can obtain such effect, promptly, not need fraising, perhaps under the occasion in the space of not offering fraising, also can locate well.And this orientation type is simpler than the slotting logical fraising of pin shape reamer.
In above-mentioned mode of execution 5, constitute positioning means 34 with horizontal pressure foot mechanism 31 and V font pressing mechanism 33, the former has the step-like horizontal pressure foot bottom 31a of formation and 2 parts that contact of horizontal pressure foot top 31b; But the present invention might not only be confined to this structure.And though be that the notch 12d that will locate usefulness is arranged on the intermediate plate 12 with being in line shape, the present invention also is not limited to this.In addition, though be that intermediate plate is used as locating basis, also can be with bearing as benchmark.
In explanation according to the embodiment of the invention of above-mentioned mode of execution, the situation that the present invention is mainly used in 2 cylinder rotary compressors is illustrated, certainly, the present invention also is applicable to the compressor that 3 cylinders are above.And, the assembly apparatus of multi-cylinder rotary compressor of the present invention also is not limited to the structure shown in the above-mentioned mode of executions such as top board, XY worktable except having base, the 1st cylinder can be fixed on retaining mechanism on the base, make the central axis of axis hole of above-mentioned intermediate plate and the corresponding to positioning means in axle center of above-mentioned turning axle.The known sequence control of affix just can automatically assemble.In addition, rotary compressor of the present invention can also be used in all freeze cycle purposes headed by for example aircondition, refrigerating plant, cold storage plant, dehumidifier, the drying apparatus etc.
Claims (3)
1. multi-cylinder rotary compressor is characterized in that possessing:
Have the 1st eccentric part that sets gradually vertically and the turning axle of the 2nd eccentric part,
Be separately positioned on the periphery of above-mentioned the 1st eccentric part and the 2nd eccentric part, the 1st roller that revolves round the sun by the revolution of above-mentioned turning axle and the 2nd roller,
The flange face that sets with having mutual subtend, by the 1st bearing and the 2nd bearing of two of above-mentioned 2 eccentric parts above-mentioned turning axlees of outside supporting,
Be provided between above-mentioned the 1st bearing and the 2nd bearing and between above-mentioned the 1st eccentric part and the 2nd eccentric part on the corresponding position, have an intermediate plate of the axis hole that above-mentioned turning axle passes through,
Be installed between above-mentioned the 1st bearing and the intermediate plate, surround the 1st cylinder of above-mentioned the 1st roller that revolves round the sun,
Be installed between above-mentioned the 2nd bearing and the intermediate plate, surround the 2nd cylinder of above-mentioned the 2nd roller that revolves round the sun,
With the above-mentioned the 1st and the 2nd bearing, intermediate plate and the fastening all-in-one-piece fixed mechanism of the 1st and the 2nd cylinder;
Above-mentioned the 1st cylinder or the 2nd cylinder, have a plurality of fraisings respectively in the identical position of the distance from the axle center of above-mentioned turning axle with above-mentioned intermediate plate,
Be provided with the pin that inserts these fraisings, make the central axis of axis hole of above-mentioned the 1st cylinder or the 2nd cylinder consistent with the central axis of axis hole on being arranged on intermediate plate.
2. the assembly method of a multi-cylinder rotary compressor, it is characterized in that, has following operation, that is: have between 2 bearings of turning axle of a plurality of eccentric parts and install a plurality of cylinders that carry out compressed action by the revolution of above-mentioned eccentric part additional being assembled in supporting, during multi-cylinder rotary compressor that the intermediate clapboard that be provided with the cylinder that makes adjacency, central part has the axis hole that above-mentioned turning axle passes through forms with being spaced from each other
Make intermediate plate with the cylinder of this intermediate plate adjacency on, set in advance datum hole respectively in the identical position of the distance from the turning axle axle center,
Temporary fixed in addition with the above-mentioned bearing of bolt break-through, above-mentioned cylinder and above-mentioned intermediate plate, with locating stud the position of the datum hole of above-mentioned cylinder and above-mentioned intermediate plate is conformed to, fixing a square shaft with chuck holds, make it movable in the plane vertical, make the central axis of above-mentioned two bearings consistent with the central axis of the opposing party's bearing with respect to the opposing party's bearing.
3. the assembly apparatus of a multi-cylinder rotary compressor, described multi-cylinder rotary compressor is by installing at least 2 cylinders constituting compressing mechanism between the 1st bearing of the turning axle that has the 1st eccentric part and the 2nd eccentric part in supporting and the 2nd bearing additional and 2 cylinders of adjacency being provided with separatedly and intermediate clapboard that central part has an axis hole that above-mentioned turning axle passes through constitutes, it is characterized in that described assembly apparatus is provided with:
Base;
With the 1st cylinder in above-mentioned at least 2 cylinders or the 1st bearing retaining mechanism fixing with respect to this base; And
Intermediate plate is put on the above-mentioned cylinder that is fixed in by this retaining mechanism on this base, by making fastening device, horizontal pressure foot mechanism contacts with the peripheral part of above-mentioned intermediate plate and above-mentioned intermediate plate is positioned on directions X, by the V font pressing mechanism that is provided with in the face of landing with above-mentioned horizontal pressure foot mechanism being contacted with the peripheral part of above-mentioned intermediate plate and above-mentioned intermediate plate being positioned on the Y direction vertical with this directions X.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP129610/01 | 2001-04-26 | ||
| JP129610/2001 | 2001-04-26 | ||
| JP2001129610A JP4613442B2 (en) | 2001-04-26 | 2001-04-26 | Multi-cylinder rotary compressor, its assembling method, and its assembling apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1381676A CN1381676A (en) | 2002-11-27 |
| CN1210499C true CN1210499C (en) | 2005-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01141042 Expired - Fee Related CN1210499C (en) | 2001-04-26 | 2001-09-29 | Multi-cylinder rotary compressor, its assembly method and its assembly device |
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| Country | Link |
|---|---|
| JP (1) | JP4613442B2 (en) |
| CN (1) | CN1210499C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334355C (en) * | 2002-12-25 | 2007-08-29 | 乐金电子(天津)电器有限公司 | Eccentric cam buffering mechanism for rotary shaft of closed rotary compressor |
| KR20050060561A (en) * | 2003-12-16 | 2005-06-22 | 삼성전자주식회사 | Variable capacity rotary compressor |
| CN101397997B (en) * | 2008-10-24 | 2010-06-16 | 珠海格力电器股份有限公司 | Assembly method of rotary double-cylinder compressor pump body |
| JP5284210B2 (en) * | 2009-07-23 | 2013-09-11 | 三菱電機株式会社 | Rotary compressor, manufacturing method thereof, and manufacturing apparatus thereof |
| CN102094823B (en) * | 2009-12-10 | 2012-10-10 | 广东美芝制冷设备有限公司 | Cylinder assembly and core-adjusting method for cylinder of double-cylinder rotary compressor |
| JP5341031B2 (en) * | 2010-06-30 | 2013-11-13 | 三菱電機株式会社 | Multi-cylinder rotary compressor, its assembling method and its manufacturing apparatus |
| JP5734071B2 (en) * | 2011-04-14 | 2015-06-10 | 三菱電機株式会社 | Rotary compressor and method for manufacturing the same |
| JP5558424B2 (en) * | 2011-06-30 | 2014-07-23 | 三菱電機株式会社 | Inspection device for intermediate plate of twin rotary compressor |
| CN104024640B (en) * | 2011-10-25 | 2017-03-01 | 三菱电机株式会社 | The joint method of the dividing plate of multi-cylindrical rotary compressor and its discharge chambe |
| CN104019033B (en) * | 2014-04-10 | 2018-02-09 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembly method of three cylinder compressors |
| CN104314820A (en) * | 2014-10-13 | 2015-01-28 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor and crankshaft assembly thereof |
| CN107120285A (en) * | 2017-06-30 | 2017-09-01 | 广东美芝制冷设备有限公司 | The assembly method of compressor and its spring bearing |
| 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6112991U (en) * | 1984-06-28 | 1986-01-25 | 三洋電機株式会社 | Multi-cylinder rotary compressor |
| JPH0633783B2 (en) * | 1987-05-29 | 1994-05-02 | 松下電器産業株式会社 | Two-cylinder rotary hermetic electric compressor assembly method |
| JPH0755340Y2 (en) * | 1988-10-31 | 1995-12-20 | 株式会社東芝 | Compressor |
| JPH02227591A (en) * | 1989-02-28 | 1990-09-10 | Toshiba Corp | Two-cylinder rotary compressor |
| JP3320887B2 (en) * | 1994-02-28 | 2002-09-03 | 三洋機工株式会社 | Shaft centering device |
| JPH11166494A (en) * | 1997-12-02 | 1999-06-22 | Mitsubishi Electric Corp | Two-cylinder rotary compressor |
| JPH11294360A (en) * | 1998-04-17 | 1999-10-26 | Hitachi Ltd | Method for assembling compressor |
| JP2000274362A (en) * | 1999-03-25 | 2000-10-03 | Hitachi Ltd | Compressor and its assembling method |
-
2001
- 2001-04-26 JP JP2001129610A patent/JP4613442B2/en not_active Expired - Fee Related
- 2001-09-29 CN CN 01141042 patent/CN1210499C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4613442B2 (en) | 2011-01-19 |
| JP2002322993A (en) | 2002-11-08 |
| CN1381676A (en) | 2002-11-27 |
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