CN107850070A - The manufacture method of screw compressor, screw compressor - Google Patents
The manufacture method of screw compressor, screw compressor Download PDFInfo
- Publication number
- CN107850070A CN107850070A CN201680043830.XA CN201680043830A CN107850070A CN 107850070 A CN107850070 A CN 107850070A CN 201680043830 A CN201680043830 A CN 201680043830A CN 107850070 A CN107850070 A CN 107850070A
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- China
- Prior art keywords
- screw compressor
- housing
- motor
- rotary shaft
- weld part
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/23—Manufacture essentially without removing material by permanently joining parts together
- F04C2230/231—Manufacture essentially without removing material by permanently joining parts together by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
Screw compressor (100) possesses rotary shaft (4), screw compressor main body (2), base bearing (9A), the supplementary bearing (9B) with multiple arms (79) and is respectively formed with the welding extended radially through opening portion (H1) housing (1) at position corresponding with the peripheral end of arm (79).Welding includes multiple hole portions (H2) with opening portion (H1), formed with weld part (W) between the inner peripheral surface of hole portion (H2) and the peripheral end of arm (79).
Description
Technical field
The present invention relates to the manufacture method of screw compressor and screw compressor.
The application based on November 5th, 2015 Japanese publication Patent 2015-217462 and CLAIM OF PRIORITY, herein
Quote its content.
Background technology
Screw compressor has the main shaft for being driven and being rotated by motor, is disposed relative to the position that main shaft offset by
Eccentric shaft, the swirling scroll for being supported on via bearing arrangement the eccentric shaft, by opposed with swirling scroll form variable volume
Discharge chambe fixed eddy plate and house the housings of these components.Swirling scroll is centered on the axis of above-mentioned main shaft, not
Circumnutation is carried out in the state of adjoint rotation.Thus, the fluid importeding into discharge chambe is compressed.Here, above-mentioned main shaft
And eccentric shaft by the base bearing (upper bearing) that is arranged in housing and supplementary bearing (lower bearing) the main shaft axis direction
Both sides are supported.
Concrete example as such screw compressor, it is known to the device described in following patent documents 1.In patent text
Offer in the screw compressor described in 1, the second framework of supporting spindle passes through the spot welding at only one via multiple flanks from below
And it is fixed on the inner peripheral surface of associate member.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 5-231345 publications
The content of the invention
The invention problem to be solved
However, in screw compressor, in the presence of the eccentric shaft that offset by as described above relative to main shaft, convolution
Whirlpool disk carries out circumnutation centered on the axis of main shaft, and refrigerant gas is compressed.Therefore, in base bearing and supplementary bearing
On constantly apply because of the reaction force of refrigerant compression and due to rotor balancing balance when being used to adjust rotation again etc.
Component torque and the load brought.It is in addition, defeated along with the Large Copacity and height of the screw compressor continued to develop in recent years
Going out, above-mentioned load are also at the trend of increase.
However, in the screw compressor described in above-mentioned patent document 1, the spot welding of flank only has at one, therefore, is holding
It is continuous be applied with excessive load as described above in the case of, fatigue rupture caused by stress concentration etc. may be produced.By
This, may be to the stabilization of screw compressor with bringing obstacle.
The present invention allows for such case and completed, its object is to, there is provided it is a kind of to realize stable utilization
Screw compressor.
For solving the scheme of problem
In order to solve above-mentioned problem, the present invention uses following scheme.
(1) screw compressor of first scheme of the invention possesses：Motor；Rotary shaft, it is driven by the motor
And rotate about the axis；Screw compressor main body, it is driven by the rotation of the rotary shaft；Base bearing, it is described electronic
It is to rotate by the rotation e axle supporting between machine and the screw compressor main body；Supplementary bearing, it is in the motor
The side opposite with the base bearing by the rotation e axle supporting can to rotate, and with radially extending and in the circumferential
Multiple arms is provided with spaced intervals；And housing, it is in the tubular extended along the axis, and is housed described electronic
Machine, the rotary shaft, the screw compressor main body, the base bearing and the supplementary bearing, also, the housing with it is described
Position corresponding to the peripheral end of arm is respectively formed with the welding opening portion extended radially through, corresponding with each arm described
Welding with opening portion be included in the rotary shaft circumference and axis direction at least one party at spaced intervals formed with multiple
Hole portion, the screw compressor is also equipped with weld part, and the weld part is filled in each hole portion, and by the hole portion
The peripheral end of side face and the arm welds.
According to said structure, the peripheral end of arm and the inner peripheral surface of hole portion are welded to one another by weld part.Thereby, it is possible to pass through
Supplementary bearing is firmly fixed at housing by each arm.Especially, at least one party circumferentially and in axis direction is formed multiple
Hole portion, therefore, it is possible to fully overcome the power applied from least one party in the circumference and axis direction to supplementary bearing.
(2) screw compressor of alternative plan of the invention is on the basis of the screw compressor described in (1), from described
The direction observation of arm extension, the hole portion are arranged on the basis of at least one party in circumference and axis direction and symmetrical position
Put.
According to said structure, due to multiple hole portions are arranged on the basis of arm and symmetrical position, therefore, it is possible to reduce
Power is only inclined to the possibility of specific weld part.
(3) screw compressor of third program of the invention is on the basis of the screw compressor described in (1) or (2),
The outer peripheral face of the weld part and the housing is coplanar.
According to said structure, because the peripheral end of weld part and arm will not radially outside be overflow than the outer peripheral face of housing
Go out, cause the possibility cracked etc. in weld part therefore, it is possible to reduce due to producing stress concentration in the region of the spilling
Property.
(4) in the manufacture method of the screw compressor of fourth program of the invention, the screw compressor possesses：It is electronic
Machine；Rotary shaft, it is driven and rotated about the axis by the motor；Screw compressor main body, it passes through the rotation of the rotary shaft
Then drive；Base bearing, between the motor and the screw compressor main body, being by the rotation e axle supporting can for it
Rotation；Supplementary bearing, the rotation e axle supporting is to rotate in the side opposite with the base bearing of the motor by it,
And have and radially extend and be provided with multiple arms at spaced intervals in the circumferential；And housing, it is in along the axle
Line extension tubular, and for house the motor, the rotary shaft, the screw compressor main body, the base bearing and
The supplementary bearing, also, it is respectively formed with what is extended radially through at housing position corresponding with the peripheral end of the arm
Welding opening portion, the manufacture method of the screw compressor include：Assembling procedure, in the assembling procedure, in the housing
It is interior to house motor, the rotary shaft, the screw compressor main body, the base bearing and the supplementary bearing；Welder
Sequence, in the welding sequence, the peripheral end of the arm is set to be exposed from the welding with opening portion, and by being welded on the weldering
Connect and weld part is set with opening portion；And cutting process, in the cutting process, to it is in the weld part, from the welding
Cut with opening portion to the part that the outer circumferential side of the housing overflows.
According to above-mentioned method, the peripheral end of weld part and arm will not radially outside be overflowed than the outer peripheral face of housing,
Cause the possibility cracked etc. in weld part therefore, it is possible to reduce due to producing stress concentration in the region of the spilling.
(5) system of the manufacture method of the screw compressor of the 5th scheme of the invention in the screw compressor described in (4)
On the basis of making method, the weld part is cut in a manner of making the outer peripheral face of the weld part and the housing coplanar with each other
Cut.
According to said structure, the possibility cracked etc. in weld part can be further reduced.
Invention effect
According to the screw compressor of the present invention, stable utilization can be chronically realized.
Brief description of the drawings
Fig. 1 is the sectional view of the screw compressor of the first embodiment of the present invention.
Fig. 2 is the sectional view on the axis direction of the screw compressor of the first embodiment of the present invention.
Fig. 3 is the schematic diagram of the structure for the weld part for showing the first embodiment of the present invention.
Fig. 4 is the schematic diagram of the structure for the weld part for showing second embodiment of the present invention.
Fig. 5 is the schematic diagram of the structure for the weld part for showing third embodiment of the present invention.
Fig. 6 is the explanation for the cutting process that the manufacture method for the screw compressor for showing embodiments of the present invention is included
Figure.
Fig. 7 is the figure of each operation of the manufacture method for the screw compressor for showing embodiments of the present invention.
Embodiment
[first embodiment]
The screw compressor 100 of the first embodiment of the present invention is illustrated referring to the drawings.As shown in figure 1, it is vortexed
Compressor 100 have the housing 1 of the profile of forming apparatus, the compression unit 2 (screw compressor main body 2) that is arranged in housing 1 with
And the drive division 3 (motor 3) being driven to the compression unit 2.Compression unit 2 and drive division 3 are by the rotation that extends along axes O 1
Rotating shaft 4 is connected with each other.That is, rotating energy is transferred to compression unit 2 immediately by the rotary shaft 4 caused by drive division 3.Compression unit
2 are compressed using the rotating energy to working fluid, it is discharged with high pressure conditions to outside.The working fluid of high pressure is for example
Refrigerant as air-conditioning equipment etc..Hereinafter, the composition of each several part is described in detail.
It is provided with housing 1：Suction pipe arrangement 11 from outside suction as the refrigerant gas of working fluid；And will be through
The discharge pipe arrangement 12 that refrigerant gas by the compression of above-mentioned compression unit 2 as high pressure conditions in discharge chamber 67 is discharged.
Rotary shaft 4 is in cylindric centered on axes O 1.Rotary shaft 4 is by base bearing 9A and supplementary bearing 9B supportings can
In the internal rotation of housing 1, base bearing 9A is arranged at the end (first end) of the side side on the direction of axes O 1 of rotary shaft 4,
Supplementary bearing 9B is arranged at the end of the opposing party side of the rotary shaft 4 for the opposite side for being located at the direction of axes O 1 from base bearing 9A
Portion's (the second end).Base bearing main body 75 is installed between base bearing 9A and the outer peripheral face of rotary shaft 4.In supplementary bearing 9B and rotation
Supplementary bearing main body 76 is installed between the outer peripheral face of rotating shaft 4.
In the end of a side side of rotary shaft 4, the opening position that (bias) is offset relative to axes O 1 be provided with
Centered on the different eccentric axis O2 of axes O 1 and the eccentric shaft 5 that is in the form of a column.Eccentric axis O2 is parallel with axes O 1.The bias
Axle 5 is cylindric in being protruded from the end of rotary shaft 4 towards the side side of 1 direction of axes O one.Therefore, revolved in rotary shaft 4 around axes O 1
In the state of turning, eccentric shaft 5 revolves round the sun around the axes O 1 of rotary shaft 4.
It should be noted that it is provided with base bearing 9A for the rotation for limiting swirling scroll 7 (around eccentric axis O2's
Rotation) partition ring 91.It is right in the chimeric projection of groove of the partition ring 91 formed with the end plate 71 with being formed at swirling scroll 7
This is not illustrated in detail.In addition, radially inner side when from partition ring 91 is provided with thrust bearing 92.The thrust bearing 92 is right
The load in the direction of axes O 1 of swirling scroll 7 is supported.
Compression unit 2 has fixed eddy plate 6 and swirling scroll 7.Discharge side cover plate 8 is to divide housing 1 along the direction of axes O 1
The substantially discoid component of inner space, it is provided with above-mentioned discharge chamber 67 and the refrigerant after compression in the central portion
The floss hole 68 of gas connection and for preventing dump valve 66 of the refrigerant from high-pressure side adverse current.
Fixed eddy plate 6 is affixed to the substantially discoid component inside housing 1.Swirling scroll 7 is by from the side of axes O 1
To opposed with the fixed eddy plate 6 and form discharge chambe C therebetween.In more detail, fixed eddy plate 6 has discoid end
The face of plate 61 and the opposing party side on the direction of axes O 1 of the end plate 61 is from the side side of 1 direction of axes O one the opposing party side upward
Erect the fixed portion (lap) 62 set.End plate 61 extends along the face being substantially orthogonal with axes O 1.Fixed portion 62 is
Be formed as gyrate wall body from the direction of axes O 1.More specifically, fixed portion 62 around the center of end plate 61 by rolling up
Around tabular component formed.As one, fixed portion 62 is preferably configured as from the direction of axes O 1 being in the axes O 1
Centered on involute.
Radial outside in fixed portion 62, formed with the periphery wall 63 that extension is cylindrical in shape along the periphery of end plate 61.
In addition, the ora terminalis in the direction the opposing party side of axes O 1 of periphery wall 63, is provided with the annulus widened from radially inner side towards outside
The flange part 64 of shape.Fixed eddy plate 6 is fixed on base bearing 9A across flange part 64 using bolt etc..In addition, in fixed eddy plate 6
The central portion of vortex is formed with fixed eddy plate outlet 65.
Swirling scroll 7 has the face of discoid end plate 71 and the side side of 1 direction of axes O one for being arranged at the end plate 71
Gyrate convolution clinch 72.The convolution clinch 72 is it is also preferred that be configured to the involute centered on axes O 2.
In addition, convolution clinch 72 be configured to, it is opposed with above-mentioned fixed portion 62 from the direction of axes O 1, and with
It is overlapped with above-mentioned fixed portion 62 on the direction that axes O 1 is intersected.In other words, fixed portion 62 overlaps with convolution
Portion 72 is intermeshed.In the state of engaging like this, formed necessarily between fixed portion 62 and convolution clinch 72
Space.Along with the convolution of convolution clinch 72, the volume in the space changes.Thereby, it is possible to refrigerant gas is carried out
Compression.
The swirling scroll 7 formed like that above via bush assembly 10 described later and with the axes O 1 of above-mentioned rotary shaft 4
The side side of direction one links.In the face of the direction the opposing party side of axes O 1 of the end plate 71 of convolution clinch 72 formed with the convex of cylindrical shape
Platform portion 73.The central shaft of the boss portion 73 and axes O 2 are coaxial.The eccentric shaft 5 of above-mentioned rotary shaft 4 is formed at via bush assembly
10 are embedded into the space of the inner side of boss portion 73 from the direction of axes O 1.
It should be noted that lubricating oil is supplied from oil feed pump 80 to rotary shaft 4 (eccentric shaft 5).The lubricating oil is to bushing
After being lubricated between the bushing 101 of component 10 and the bearing 74 of swirling scroll 7, reclaimed towards the lower section in housing 1.
Then, reference picture 2 illustrates to supplementary bearing 9B detailed construction.As shown in the drawing, supplementary bearing 9B has from outer
The retainer portion 78 of the tubular of all side bearing supplementary bearing main bodys 76 and radially extended centered on the retainer portion 78
Multiple (three) arms 79.
Retainer portion 78 is arranged on the position substantially coaxial with axes O 1.Arm 79 is with protecting by the inner peripheral surface 1A of housing 1
Hold the bar-shaped component of the outer peripheral face connection in frame portion 78.Three arms 79 in present embodiment have roughly the same shape each other
Shape, size.
The inner peripheral surface of housing 1 is fixed in the end (peripheral end 79A) of the radial outside of arm 79 by plug welding (bolt welding)
1A.The peripheral end 79A of arm 79 is formed as from the direction (that is, the radial direction of axes O 1) that the arm 79 extends observation in the form of a substantially rectangular.
It should be noted that the peripheral end 79A of arm 79 is preferably curved corresponding with the inner peripheral surface 1A of housing 1 shape.
Here, as shown in Figures 2 and 3, at the position corresponding with peripheral end 79A of housing 1 formed with extending radially through
The welding of the housing 1 opening portion H1.In addition, the welding in present embodiment includes multiple hole portion H2 with opening portion H1.To
Supplementary bearing 9B is configured in the state of the inner side of housing 1, and peripheral end 79A turns into be revealed by hole portion H2 to the outer circumferential side of housing 1
The state gone out.
Plug welding is implemented to the peripheral end 79A of arm 79 from the outer circumferential side of housing 1 via these hole portions H2.Thus, by hole portion
H2 inner peripheral surface is filled with the space that peripheral end 79A is surrounded by welding, so as to form weld part W.In weld part W
It is cut from the part that hole portion H2 (welding with opening portion H1) overflows to outer peripheral side after weld part W solidification.That is, weld part W
It is substantially coplanar each other with the outer peripheral face 1B of housing 1.
Here, at least one party of the hole portion H2 in the circumference of the direction of axes O 1 and the axes O 1 be provided with spaced intervals it is more
It is individual.More specifically, in the present embodiment, on housing 1 along the direction of axes O 1 at spaced intervals formed with two hole portion H2
(reference picture 3).In addition, for the two hole portions H2, formed from the direction that arm 79 extends with along the circumference of axes O 1
Symmetrical position on the basis of the imaginary line of extension.
Then, reference picture 6, Fig. 7 illustrate to the master operation of the manufacture method of above-mentioned screw compressor 100.This
The manufacture method of screw compressor 100 in embodiment includes assembling procedure S1, welding sequence S2 and cutting process S3.
In assembling procedure S1, house in the housing 1 motor 3, rotary shaft 4, compression unit 2 (screw compressor main body 2),
Base bearing main body 75 and supplementary bearing main body 76.
Then, in welding sequence S2, by the above-mentioned supplementary bearing 9B plug welding of arm 79 in the inner peripheral surface 1A of housing 1.Thus,
Above-mentioned weld part W is formed between multiple hole portion H2 inner peripheral surface and the peripheral end 79A of arm 79.It should be noted that
Now, due to the property of plug welding, turn into clout caused by welding in hole portion H2 outside (the outer peripheral face 1B sides of housing 1) and overflow
State (reference picture 6).
The part (clout) of above-mentioned spilling is cut in follow-up cutting process S3, removed.More specifically, cutting
Cut in process S3, removed weld part W clout using cutting elements such as grinders.Thus, the outer peripheral face 1B of housing 1 and welding
Portion W is coplanar with each other.By the way that with upper type, each operation in the manufacture method of the screw compressor 100 of present embodiment is completed.
Then, the action to the screw compressor 100 of present embodiment illustrates.When beginning screw compressor 100
During operating, first, by being powered to above-mentioned drive division 3 (motor 3) to drive rotary shaft 4 to be rotated around axes O 1.
Along with the rotation of rotary shaft 4, above-mentioned eccentric shaft 5 revolves round the sun around axes O 1, is installed on the convolution whirlpool of the eccentric shaft 5
Disk 7 is circled round centered on axes O 1.Here, swirling scroll 7 limits rotation by above-mentioned partition ring 91.Therefore, swirling scroll 7
Centered on the axes O 1 of rotary shaft 4, the track described along eccentric axis O2 carries out circular motion (convolution).Along with this time
Rotation, the convolution clinch 72 of swirling scroll 7 continuously relatively move repeatedly relative to the fixed portion 62 of fixed eddy plate 6.It is logical
The relative movement is crossed, the discharge chambe C formed between fixed portion 62 and convolution clinch 72 volume changes over time.
First, in the convolution of swirling scroll 7, from the radial outside production in convolution clinch 72 (and fixed portion 62)
Raw opening imports the refrigerant gas as working fluid into discharge chambe C, and this is not illustrated in detail.Along with swirling scroll
7 convolution, above-mentioned opening are blocked.Thus, refrigerant gas is sealing into discharge chambe C.Then, swirling scroll 7 is passed through
Continue to circle round, it is mobile that refrigerant gas is radially oriented inner side (that is, eccentric axis O2 sides).Now, clinch 72 is circled round with fixing
Clinch 62 is in above-mentioned swirl shape, and therefore, the discharge chambe C formed by both volume reduces with inner side is radially oriented.
Thus, refrigerant gas is compressed.Finally, refrigerant gas nearby reaches in the central part of swirling scroll 7 (or fixed eddy plate 6)
After maximal pressure, discharge pipe arrangement 12 by above-mentioned fixed eddy plate outlet 65 and housing 1 is to being externally supplied.
Here, the as described above, balance of balance when being rotated by reaction force during compression refrigerant gas with adjustment
Wait the torque of component again, in the form of sinuous to supplementary bearing 9B arm 79 (weld part W) apply the inner side that is radially oriented or
The load in outside.
For example, in the case where arm 79 is fixed on into housing 1 by single weld part W, above-mentioned stress partly collects
In, thus, it is possible to create fatigue rupture etc..However, in the screw compressor 100 of present embodiment, as described above, passing through plug
Weldering, two weld part W are formed through multiple (two) hole portion H2.Thereby, it is possible to by arm 79 (supplementary bearing 9B) firmly and stably
Ground is fixed on the inner peripheral surface 1A of housing 1.
In addition, according to said structure, multiple hole portion H2 are arranged on the basis of arm 79 and symmetrical position, therefore, it is possible to
Reduce the possibility that stress is only inclined to specific weld part W.Thereby, it is possible to supplementary bearing 9B is firmly secured in housing 1
On side face 1A.
In addition, according to said structure, by machining (cutting process S3) by because plug welding is and in hole portion H2 outside
Caused clout removes.Therefore, the peripheral end 79A of weld part W and arm 79 will not than housing 1 outer peripheral face 1B radially outside
Overflow, so as to reduce the possibility for causing to crack etc. in weld part because producing stress concentration in the region of the spilling
Property.
More than, the first embodiment of the present invention is illustrated referring to the drawings.It should be noted that above-mentioned implementation
Mode only one, various changes etc. can be subject to it.
For example, in the above-described embodiment, carried out for the example that two hole portion H2 are provided with the direction of axes O 1
Explanation.However, hole portion H2 number is not limited to two, the even number of four or more than six can also be arranged as required to.
[second embodiment]
Then, reference picture 4 illustrates to second embodiment of the present invention.
In the present embodiment, hole portion H2 and weld part W mode are different from above-mentioned first embodiment.More specifically
Say, in the present embodiment, circumferentially spaceds of two hole portion H21 along axes O 1 alternately forms.That is, the two hole portions H21 shapes
Into in the symmetrical position on the basis of axes O 1.In addition, the peripheral end 79A of arm 79 also arrangement sides with two hole portion H21
To accordingly in the rectangular-shaped of the circumferentially extending along axes O 1.
Hole portion H21 as more than implements the plug welding same with above-mentioned first embodiment respectively.In addition, by with
Same above-mentioned cutting process S3 process removes weld part W clout.Thus, the outer peripheral face 1B of weld part W and housing 1 that
This is coplanar.
According to such structure, arm 79 can not only be overcome along with the convolution of swirling scroll 7 and caused stress, also can
Enough overcome the stress on the direction of axes O 1.That is, the stability of screw compressor 100 can further be improved.
[the 3rd embodiment]
Then, reference picture 5 illustrates to third embodiment of the present invention.As shown in the drawing, in the present embodiment,
Multiple circumferences of (four) the hole portion H22 along the direction of axes O 1 and the axes O 1 are spaced one from compartment of terrain arrangement.In addition, arm 79 is outer
Peripheral end portion 79A is also in substantially square shape in a manner of the region with being provided with these hole portions H22 is corresponding.
Hole portion H22 as more than implements the plug welding same with above-mentioned first embodiment respectively.In addition, by with
Same above-mentioned cutting process S3 process removes weld part W clout.Thus, the outer peripheral face 1B of weld part W and housing 1 that
This is coplanar.
According to such structure, arm 79 can not only be overcome along with the convolution of swirling scroll 7 and caused stress, moreover it is possible to
The enough stress overcome in a manner of the surplus for keeping enough on the direction of axes O 1.That is, screw compressor 100 can further be improved
Stability.
Industrial applicibility
According to the screw compressor of the present invention, stable utilization can be chronically realized.
Description of reference numerals
1 ... housing
2 ... compression units
3 ... drive divisions (electro-motor)
4 ... rotary shafts
5 ... eccentric shafts
6 ... fixed eddy plates
7 ... swirling scrolls
8 ... discharge side cover plates
9A ... base bearings
9B ... supplementary bearings
10 ... bush assemblies
11 ... suction pipe arrangements
12 ... discharge pipe arrangements
61 ... end plates
62 ... fixed portions
63 ... periphery walls
64 ... flange parts
65 ... fixed eddy plate outlets
66 ... dump valves
67 ... discharge chambers
68 ... floss holes
71 ... end plates
72 ... convolution clinch
73 ... boss portions
74 ... bearings
75 ... base bearing main bodys
76 ... supplementary bearing main bodys
79 ... arms
80 ... oil feed pumps
91 ... partition rings
92 ... thrust bearings
100 ... screw compressors
101 ... bushings
C ... discharge chambes
H1 ... welding opening portion
H2, H21, H22 ... hole portion
O1 ... axis
O2 ... eccentric axis
W ... weld parts.
Claims (5)
1. a kind of screw compressor, it possesses：
Motor；
Rotary shaft, it is driven and rotated about the axis by the motor；
Screw compressor main body, it is driven by the rotation of the rotary shaft；
Base bearing, the rotation e axle supporting is to rotate between the motor and the screw compressor main body by it；
Supplementary bearing, the rotation e axle supporting is to rotate in the side opposite with the base bearing of the motor by it,
And have and radially extend and be provided with multiple arms at spaced intervals in the circumferential；And
Housing, it is in the tubular extended along the axis, and houses the motor, the rotary shaft, the scroll compression
Owner's body, the base bearing and the supplementary bearing, also, in housing position difference corresponding with the peripheral end of the arm
Formed with the welding opening portion extended radially through,
The welding corresponding with each arm with opening portion be included in the rotary shaft circumference and axis direction at least
One side at spaced intervals formed with multiple hole portions,
The screw compressor is also equipped with weld part, and the weld part is filled in each hole portion, and by the inner circumferential of the hole portion
Face and the peripheral end of the arm weld.
2. screw compressor according to claim 1, wherein,
From the arm extension direction from, the hole portion be arranged on the basis of at least one party in circumference and axis direction and
Symmetrical position.
3. screw compressor according to claim 1 or 2, wherein,
The outer peripheral face of the weld part and the housing is coplanar.
4. a kind of manufacture method of screw compressor, wherein,
The screw compressor possesses：
Motor；
Rotary shaft, it is driven and rotated about the axis by the motor；
Screw compressor main body, it is driven by the rotation of the rotary shaft；
Base bearing, the rotation e axle supporting is to rotate between the motor and the screw compressor main body by it；
Supplementary bearing, the rotation e axle supporting is to rotate in the side opposite with the base bearing of the motor by it,
And have and radially extend and be provided with multiple arms at spaced intervals in the circumferential；And
Housing, it is in the tubular extended along the axis, and for housing the motor, the rotary shaft, the vortex
Compressor main body, the base bearing and the supplementary bearing, also, at housing position corresponding with the peripheral end of the arm
The welding opening portion extended radially through is respectively formed with,
The manufacture method of the screw compressor includes：
Assembling procedure, in the assembling procedure, the motor, the rotary shaft, the scroll compression are housed in the housing
Contracting owner body, the base bearing and the supplementary bearing；
Welding sequence, in the welding sequence, the peripheral end of the arm is set to be exposed from the welding with opening portion, and pass through
It is welded on the welding opening portion and weld part is set；And
Cutting process, in the cutting process, in the weld part, outer from the welding opening portion to the housing
Cut the part that the week side of boss is overflowed.
5. the manufacture method of screw compressor according to claim 4, wherein,
In the cutting process, to the weld part in a manner of making the outer peripheral face of the weld part and the housing coplanar with each other
Cut.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-217462 | 2015-11-05 | ||
| JP2015217462A JP2017089426A (en) | 2015-11-05 | 2015-11-05 | Scroll compressor, and method of manufacturing scroll compressor |
| PCT/JP2016/080218 WO2017077827A1 (en) | 2015-11-05 | 2016-10-12 | Scroll compressor and method for producing scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107850070A true CN107850070A (en) | 2018-03-27 |
Family
ID=58661943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680043830.XA Pending CN107850070A (en) | 2015-11-05 | 2016-10-12 | The manufacture method of screw compressor, screw compressor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3339644A4 (en) |
| JP (1) | JP2017089426A (en) |
| CN (1) | CN107850070A (en) |
| WO (1) | WO2017077827A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922636A (en) * | 2020-07-17 | 2020-11-13 | 郑州跃博新能源汽车科技有限公司 | Manufacturing method of electric scroll compressor of new energy automobile |
| CN113710895A (en) * | 2019-05-21 | 2021-11-26 | 大金工业株式会社 | Compressor |
| CN117642555A (en) * | 2021-08-05 | 2024-03-01 | 大金工业株式会社 | Scroll compressor and refrigeration cycle device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021206432A1 (en) | 2021-06-22 | 2022-12-22 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg | scroll machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07217554A (en) * | 1994-02-01 | 1995-08-15 | Mitsubishi Heavy Ind Ltd | Scroll type fluid machinery |
| JPH11182433A (en) * | 1997-12-16 | 1999-07-06 | Sanyo Electric Co Ltd | Enclosed compressor |
| CN1641222A (en) * | 2003-12-12 | 2005-07-20 | 富士通将军股份有限公司 | Method for assembling vortex compressor |
| CN104373353A (en) * | 2013-08-15 | 2015-02-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and its bearing centering method |
| CN204458347U (en) * | 2015-02-05 | 2015-07-08 | 浙江博阳压缩机有限公司 | Electric vehicle direct current supply air condition compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59108882A (en) * | 1982-12-13 | 1984-06-23 | Sanyo Electric Co Ltd | Closed-type rotary compressor |
| JPS61178578A (en) * | 1985-02-05 | 1986-08-11 | Matsushita Refrig Co | Sealed type compressor |
| CN1075170C (en) * | 1994-02-01 | 2001-11-21 | 三菱重工业株式会社 | Vortex hydraulic mechanism |
| JP2008190467A (en) * | 2007-02-06 | 2008-08-21 | Mitsubishi Heavy Ind Ltd | Hermetic electric compressor |
| JP5012110B2 (en) * | 2007-03-15 | 2012-08-29 | 三菱電機株式会社 | Sealed container and method for manufacturing sealed container |
| JP2010236449A (en) * | 2009-03-31 | 2010-10-21 | Daikin Ind Ltd | Rotary fluid machine, fixing member of rotary fluid machine, and method for machining fixing member of rotary fluid machine |
| JP5195962B2 (en) * | 2011-05-11 | 2013-05-15 | 三菱電機株式会社 | Rotary compressor |
-
2015
- 2015-11-05 JP JP2015217462A patent/JP2017089426A/en active Pending
-
2016
- 2016-10-12 WO PCT/JP2016/080218 patent/WO2017077827A1/en unknown
- 2016-10-12 CN CN201680043830.XA patent/CN107850070A/en active Pending
- 2016-10-12 EP EP16861894.0A patent/EP3339644A4/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07217554A (en) * | 1994-02-01 | 1995-08-15 | Mitsubishi Heavy Ind Ltd | Scroll type fluid machinery |
| JPH11182433A (en) * | 1997-12-16 | 1999-07-06 | Sanyo Electric Co Ltd | Enclosed compressor |
| CN1641222A (en) * | 2003-12-12 | 2005-07-20 | 富士通将军股份有限公司 | Method for assembling vortex compressor |
| CN104373353A (en) * | 2013-08-15 | 2015-02-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and its bearing centering method |
| CN204458347U (en) * | 2015-02-05 | 2015-07-08 | 浙江博阳压缩机有限公司 | Electric vehicle direct current supply air condition compressor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710895A (en) * | 2019-05-21 | 2021-11-26 | 大金工业株式会社 | Compressor |
| CN111922636A (en) * | 2020-07-17 | 2020-11-13 | 郑州跃博新能源汽车科技有限公司 | Manufacturing method of electric scroll compressor of new energy automobile |
| CN111922636B (en) * | 2020-07-17 | 2022-01-04 | 无锡双鸟科技股份有限公司 | Manufacturing method of electric scroll compressor of new energy automobile |
| CN117642555A (en) * | 2021-08-05 | 2024-03-01 | 大金工业株式会社 | Scroll compressor and refrigeration cycle device |
| CN117642555B (en) * | 2021-08-05 | 2024-05-28 | 大金工业株式会社 | Scroll compressor and refrigeration cycle device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3339644A4 (en) | 2019-04-17 |
| JP2017089426A (en) | 2017-05-25 |
| EP3339644A1 (en) | 2018-06-27 |
| WO2017077827A1 (en) | 2017-05-11 |
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