CN104295495A - Fully-sealed scroll compressor and assembly method thereof - Google Patents
Fully-sealed scroll compressor and assembly method thereof Download PDFInfo
- Publication number
- CN104295495A CN104295495A CN201410472664.8A CN201410472664A CN104295495A CN 104295495 A CN104295495 A CN 104295495A CN 201410472664 A CN201410472664 A CN 201410472664A CN 104295495 A CN104295495 A CN 104295495A
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- Prior art keywords
- housing
- bearing
- main bearing
- vortex
- fixed
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- 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)
- Rotary Pumps (AREA)
Abstract
The invention discloses a fully-sealed scroll compressor and an assembly method thereof and relates to the field of scroll compressors. The scroll compressor comprises an upper cover, a static scroll, a crossed ring, a main bearing support, a shell, a motor stator with a motor rotor, an auxiliary bearing, a lower cover, a main bearing, a movable scroll, a high-low-pressure isolation board and a seal ring, wherein the motor stator is used for driving a crankshaft to rotate; the lower cover is fixed at the lower end of the shell; the moveable and static scrolls are matched with each other so as to form at least one compressing cavity; the main bearing support is fixed at the upper end in the shell in an interference manner; an auxiliary bearing support is fixed at the lower end in the shell in an interference manner and acts as an auxiliary bearing; the main and auxiliary bearings are coaxial. The fully-sealed scroll compressor is compact in structure; the main and auxiliary bearing supports are fixed in the interference manner, not in a normal welding manner; on the premise that the deformation of the supports is alleviated, assembly devices are simplified and the assembly cost of the compressor is lowered.
Description
Technical field
The present invention relates to scroll compressor field, specifically a kind of vortex compressor and assembly method thereof.
Background technique
What scroll compressor was increasingly extensive is applied in refrigeration industry, in existing scroll compressor, comprise be provided with spirality scroll wrap determine vortex, with the dynamic vortex being provided with spirality scroll wrap determined vortex and match, dynamic vortex and on support between move, respectively with dynamic, determining that vortex coordinates and limit them can only the partition ring of relative translational movement, by dynamic vortex with determine multiple compression chambers that vortex has complemented each other to form variable volume, move vortex by driven by motor crank-driven to revolve round the sun along its revolution orbit, thus complete the suction of gas, compression and discharge, thus reach the object of compressed refrigerant.
For totally-enclosed compressor, turbination part is installed on compressor case inside, shell comprises housing, upper cover, lower cover, general motor is fixed in housing, be provided with the main bearing support for a racking vortex at its upper end, lower end is provided with supplementary bearing, the bent axle of dynamic vortex motion is driven to be positioned at master, take between bearing, main, the efficiency of coaxality to compressor of supplementary bearing plays vital effect, main, the coaxality taking bearing is bad, light then compressor enters power to be increased, life-span declines, heavy then compressor cannot operate and scrap, main, take the traditional installation method of bearings for welding, proprietary equipment is utilized to lead, the support taking bearing is directly welded on the housing of compressor.
The deficiencies in the prior art are:
1, main, take bearing and adopt welding manner, there is certain distortion in welding process, cause main, take bearings welding after, coaxality that is main, that take bearing can be deteriorated;
2, adopt proprietary welding equipment, welding equipment is expensive, and inefficiency, add compressor assembly cost.
Summary of the invention
The technical problem to be solved in the present invention is to overcome prior art deficiency, a kind of vortex compressor and assembly method thereof are provided, in the present invention, main, supplementary bearing supports and is fixed on compressor housing by interference mode, because housing itself arranges good cylindricity for inside diameter, main, Special mould is adopted when taking bearings assembling, ensure that master, take bearing coaxial with housing inner diameter, thus reach main, take the object of coaxial bearing, solve prior art master, supplementary bearing adopts welding manner in welding process, there is certain distortion, cause main, the problem of the coaxality variation of supplementary bearing, solve the problem that prior art welding equipment costliness causes cost of production to increase simultaneously, compact structure of the present invention, main bearing supports and supplementary bearing adopts interference mode to fix, and unconventional welding manner is fixed, on the basis reducing supporting deformation, simplify mounting equipment, reduce compressor assembly cost.
The technology used in the present invention means are as follows:
A kind of vortex compressor, comprise upper cover, determine vortex, the motor stator with rotor that the support of partition ring, main bearing, housing, driving crank rotate, supplementary bearing, the lower cover being fixed on described housing lower end, main bearing, dynamic vortex, high low pressure isolating plate and seal ring, it is characterized in that:
The dynamic vortex of described crank-driven and determine vortex and complement each other to form at least one compression chamber, determining vortex and high low pressure isolating plate and seal ring acting in conjunction will be divided into two chambers in compressor; Described partition ring is arranged on to be determined between vortex and main bearing support; Described main bearing supports the upper end that enclosure interior is fixed in interference; The lower end of described enclosure interior is fixed in described supplementary bearing interference; The axle center of described main bearing and supplementary bearing is coaxial; Described main bearing is fixed in main bearing support.
Preferably, described housing has end face and its internal diameter axis perpendicular of side at least, and housing inner diameter has good cylindricity simultaneously.
Preferably, to support the cylndrical surface coordinated with housing inner diameter coaxial with main bearing internal diameter for described main bearing.
Preferably, the internal diameter of the cylndrical surface that coordinates with housing inner diameter of described supplementary bearing and supplementary bearing is coaxial.
Preferably, described main bearing is supported and is fixed on housing by the mode of interference fit, and guarantees that main bearing is coaxial with housing inner diameter; Described supplementary bearing adopts interference fit to be fixed on housing and guarantees that supplementary bearing is coaxial with housing inner diameter, thus makes major and minor coaxial bearing.
The invention also discloses a kind of assembly method of vortex compressor, it is characterized in that comprising the steps:
1) first utilize main bearing assembled mold to be fixed on the upper end of enclosure interior main bearing support, the upper-end surface that described main bearing is supported is parallel to the upper-end surface of described housing, thus guarantees that main bearing is coaxial with housing inner diameter;
2) again crankshaft group is positioned over described main bearing support and be fixed on the motor stator inside in housing in advance;
3) utilized by supplementary bearing supplementary bearing assembled mold to be fixed on the lower end of described enclosure interior, make the lower end surface of supplementary bearing be parallel to the upper-end surface of described housing;
4) main bearing is supported upper end fixing dynamic vortex, partition ring and determine vortex, seal ring, high low pressure isolating plate successively, finally upper cover and lower cover and described housing are fixed.
Preferably, in main bearing assembled mold, with the end face that housing contacts and with main bearing, to support the end face contacted parallel, thus guarantee that assembling rear min bearing supports upper-end surface and is parallel to housing upper-end surface;
Preferably, in supplementary bearing assembled mold, parallel with the end face that housing contacts and the end face that contacts with supplementary bearing, thus guarantee to assemble rear supplementary bearing and support lower end surface and be parallel to housing lower end surface, thus make major and minor coaxial bearing.
In the present invention, adopt the common reference point that housing inner diameter axis is assembled as compressor, guarantee that the upper and lower end face of housing is simultaneously perpendicular to housing inner diameter axis by the mode of processing.The upper-end surface that main bearing supports and bearing central axis ensure perpendicularity relation by processing, main bearing supports and adopts interference fit to be fixed on enclosure interior, utilize proprietary assembled mold can be easier to accomplish that main bearing supports the parallelism of upper-end surface and housing upper-end surface in predetermined range in assembling process, thus make the central coaxial of main bearing in housing inner diameter axis.
Supplementary bearing and housing are interference fit relation, and be fixed on enclosure interior lower end, the lower end surface that supplementary bearing supports and bearing central axis ensure perpendicularity relation by processing, guarantee that supplementary bearing lower end surface is parallel to housing lower end surface by assembled mold in an assembling process, thus make supplementary bearing central axis coaxial with housing inner diameter, again because main bearing central axis is same coaxial and housing inner diameter axis, thus make winner, take the object that bearing reaches coaxial.
In addition, compressor interior separation is two chambers by fixed scroll member and seal ring and high low pressure isolating plate jointly, it more than high low pressure isolating plate is high pressure side, it is below low voltage side, wherein to be exposed on high-tension side area enough little for fixed scroll member, to guarantee that pressurized gas masterpiece firmly supports interference strength much smaller than main bearing, reach the object improving compressor reliability.
Compared with prior art, the present invention has following beneficial effect:
1, the major and minor coaxial bearing structure in the present invention avoids and is welded and fixed, and reduce the distortion of bearings, press-fit approach greatly improves manufacturing efficiency compared with welding manner, simplifies assembling process, reduces assembling and mounting equipment cost;
2, major and minor bearing adopts interference fit, and when assembling useless phenomenon if occur in an assembling process, component can extrude recycling, reduce assembling reject rate.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention.
Fig. 2 is main bearing support assembled schematic diagram of the present invention.
Fig. 3 is the assembling schematic diagram that supplementary bearing of the present invention supports.
In figure: 1-upper cover, 2-determine vortex, 3-partition ring, the support of 4-main bearing, 5-housing, 6-motor stator, 7-crankshaft group, 8-supplementary bearing, 9-lower cover, 10-main bearing, 11-move vortex, 12-high low pressure isolating plate, 13-seal ring, 14-main bearing assembled mold, 15-supplementary bearing assembled mold.
Embodiment
As shown in Figure 1, a kind of vortex compressor, comprise upper cover 1, determine vortex 2, partition ring 3, main bearing support 4, housing 5, driving crank assembly 7, the motor stator 6 rotated, supplementary bearing 8, the lower cover 9 being fixed on described housing 5 lower end, main bearing 10, dynamic vortex 11, high low pressure isolating plate 12, seal ring 13, it is characterized in that:
The dynamic vortex 11 that described crankshaft group 7 drives and determine vortex 2 and complement each other to form at least one compression chamber, described partition ring 3 is arranged on describedly to be determined vortex 2 and described main bearing and supports between 4, described partition ring 3 determines vortex 2 with described and described dynamic vortex 11 coordinates, make described dynamic vortex 11 relatively describedly can only determine vortex 2 translation, described bent axle 7 drives described dynamic vortex 11 to move along orbit plane, thus completes the compression air-breathing of working medium, compression, exhaust process.
In the present embodiment, the upper and lower end face of described housing 5 and its internal diameter axis perpendicular.Described determine vortex 2 together with seal ring 13, high low pressure isolating plate 12 common be two chambers by compressor inside division, describedly determine vortex 2 and supported by bolt and described main bearing 4 fixing.Described main bearing supports the upper end that described housing 5 inside is fixed in 4 interference, and described main bearing supports the upper-end surface that 4 upper-end surfaces contacted with described dynamic vortex 11 are parallel to described housing 5; Described main bearing 10 is fixed on main bearing and supports in 4, described main bearing 10 central axis upright supports 4 planes contacted with dynamic vortex 11 in main bearing, thus internal diameter axis that is coaxial and housing 5, the lower end of described housing 5 inside is fixed in the interference of described supplementary bearing 8, the lower end surface of described supplementary bearing 8 is parallel to the lower end surface of described housing 5, the internal diameter axis of described bearing 8, perpendicular to its lower end surface, makes the internal diameter axis coaxle of described bearing 8 in housing inner diameter axis; Therefore make the internal diameter of main bearing 10 and supplementary bearing 8 coaxial.
The assembly method of a kind of vortex compressor that the present invention relates to, comprises the steps:
As shown in Figure 1, 2, 3, first main bearing assembled mold 14 is utilized to carry out main bearing support 4 spacing, be fixed on the upper end of housing 5 inside, described main bearing assembled mold 14 supports 4 respectively at housing 5 and main bearing and contacts, and these two surface of contact have good parallelism, thus the upper-end surface making described main bearing support 4 is parallel to the upper-end surface of described housing 5; Described main bearing supports 4 and is adding man-hour, guarantees that the central axis of upper-end surface and main bearing 10 has good perpendicularity relation, makes the central axis upright of main bearing 10 in the upper-end surface of housing 5, reach the object coaxial with housing 5 internal diameter.
Again by crankshaft group 7, be placed in interference in advance and be fixed on the motor stator of described housing 5 inside and described main bearing supports in 4.
Supplementary bearing 8 utilizes supplementary bearing assembled mold 15 interference to be fixed in housing 5, described supplementary bearing assembled mold 15 contacts with supplementary bearing 8 lower end surface with housing 5 lower end surface respectively, and these two plane parallel, the internal diameter axis of supplementary bearing is perpendicular to supplementary bearing lower end surface simultaneously, thus coaxial in housing inner diameter axis.
Finally main bearing is supported 4 upper ends fix dynamic vortex 11, partition ring 3 successively and determine vortex 2, seal ring 13, high low pressure dividing plate 12, then upper cover 1 is welded on the upper end of described high low pressure isolating plate, lower cover 9 is welded on the lower end of described housing 5.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a vortex compressor, comprise upper cover (1), determine vortex (2), partition ring (3), main bearing support the motor stator with rotor (6) that (4), housing (5), driving crank (7) rotate, supplementary bearing (8), the lower cover (9) being fixed on described housing (5) lower end, main bearing (10), dynamic vortex (11), high low pressure isolating plate (12) and seal ring (13), it is characterized in that:
The dynamic vortex (11) that described bent axle (7) drives and determine vortex (2) and complement each other to form at least one compression chamber, determine vortex (2) and two chambers will be divided in compressor with high low pressure isolating plate (12) and seal ring (13) acting in conjunction, described partition ring (3) is arranged on describedly to be determined vortex (2) and described main bearing and supports between (4), described main bearing supports (4) interference and is fixed on the inner upper end of described housing (5), described main bearing (10) is fixed on main bearing and supports in (4), the inner lower end of described housing (5) is fixed in described supplementary bearing (8) interference, the axle center of described main bearing (10) and described supplementary bearing (12) is coaxial.
2. a kind of vortex compressor according to claim 1, is characterized in that: the end face of described housing (5) both sides and its internal diameter axes normal, and housing (5) internal diameter has good cylindricity simultaneously.
3. a kind of vortex compressor according to claim 1, is characterized in that: it is coaxial with main bearing (10) internal diameter with the cylndrical surface of described housing (5) minor diameter fit that described main bearing supports (4).
4. a kind of vortex compressor according to claim 1, is characterized in that: described supplementary bearing (12) and the cylndrical surface of described housing (5) minor diameter fit and the internal diameter of supplementary bearing (12) coaxial.
5. a kind of vortex compressor according to claim 1, it is characterized in that: described main bearing is supported (4) and is fixed on housing (5) by the mode of interference fit, and guarantees that main bearing (10) is coaxial with housing (5) internal diameter; Described supplementary bearing (12) is fixed on housing (5) by interference fit, and guarantees that supplementary bearing (12) is coaxial with housing inner diameter, thus makes major and minor coaxial bearing.
6. an assembly method for a kind of vortex compressor as claimed in claim 1, is characterized in that comprising the steps:
1) first main bearing being supported (4) utilizes main bearing assembled mold (14) to be fixed on the inner upper end of housing (5), the upper-end surface making described main bearing support (4) is parallel to the upper-end surface of described housing (5), thus guarantees that main bearing is coaxial with housing inner diameter;
2) again crankshaft group (7) is positioned over described main bearing to support (4) and be fixed on the motor stator inside in housing (5) in advance;
3) utilized by supplementary bearing (8) supplementary bearing assembled mold (15) to be fixed on the inner lower end of described housing (5), make the lower end surface of supplementary bearing (8) be parallel to the upper-end surface of described housing (5);
4) main bearing is supported (4) upper end fix dynamic vortex (11), partition ring (3) successively and determine vortex (2), seal ring (13), high low pressure isolating plate (12), finally upper cover (1) and lower cover (9) are fixed with described housing (5).
7. the assembly method of a kind of vortex compressor according to claim 6, it is characterized in that: in main bearing assembled mold (14), with the end face that housing (5) contacts and support the end face that (4) contact with main bearing parallel, thus guarantee that assembling rear min bearing supports (4) upper-end surface and is parallel to housing (5) upper-end surface.
8. the assembly method of a kind of vortex compressor according to claim 6, it is characterized in that: in supplementary bearing assembled mold (15), with the end face that housing (5) contacts and parallel with the end face that supplementary bearing (8) contacts, thus guarantee to assemble rear supplementary bearing and support (8) lower end surface and be parallel to housing (5) lower end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472664.8A CN104295495A (en) | 2014-09-16 | 2014-09-16 | Fully-sealed scroll compressor and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472664.8A CN104295495A (en) | 2014-09-16 | 2014-09-16 | Fully-sealed scroll compressor and assembly method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104295495A true CN104295495A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410472664.8A Pending CN104295495A (en) | 2014-09-16 | 2014-09-16 | Fully-sealed scroll compressor and assembly method thereof |
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| CN (1) | CN104295495A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250956A (en) * | 2021-07-05 | 2021-08-13 | 和氏工业技术股份有限公司 | Compressor assembly process |
| CN114290047A (en) * | 2021-10-13 | 2022-04-08 | 包钢集团机械设备制造有限公司 | Assembling method of crusher main shaft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122437A2 (en) * | 2000-02-02 | 2001-08-08 | Copeland Corporation | Scroll compressor |
| CN202579184U (en) * | 2012-03-06 | 2012-12-05 | 大连三洋压缩机有限公司 | Scroll compressor capable of holding lower cover assembly for assembling |
| CN102953991A (en) * | 2012-11-27 | 2013-03-06 | 大连三洋压缩机有限公司 | Totally-closed vortex-type compressor and assembling method thereof |
| CN202926624U (en) * | 2012-08-06 | 2013-05-08 | 大连三洋压缩机有限公司 | Scroll compressor |
| CN204113651U (en) * | 2014-09-16 | 2015-01-21 | 合肥圣三松冷热技术有限公司 | A kind of vortex compressor |
-
2014
- 2014-09-16 CN CN201410472664.8A patent/CN104295495A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122437A2 (en) * | 2000-02-02 | 2001-08-08 | Copeland Corporation | Scroll compressor |
| CN202579184U (en) * | 2012-03-06 | 2012-12-05 | 大连三洋压缩机有限公司 | Scroll compressor capable of holding lower cover assembly for assembling |
| CN202926624U (en) * | 2012-08-06 | 2013-05-08 | 大连三洋压缩机有限公司 | Scroll compressor |
| CN102953991A (en) * | 2012-11-27 | 2013-03-06 | 大连三洋压缩机有限公司 | Totally-closed vortex-type compressor and assembling method thereof |
| CN204113651U (en) * | 2014-09-16 | 2015-01-21 | 合肥圣三松冷热技术有限公司 | A kind of vortex compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250956A (en) * | 2021-07-05 | 2021-08-13 | 和氏工业技术股份有限公司 | Compressor assembly process |
| CN114290047A (en) * | 2021-10-13 | 2022-04-08 | 包钢集团机械设备制造有限公司 | Assembling method of crusher main shaft |
| CN114290047B (en) * | 2021-10-13 | 2024-01-26 | 包钢集团机械设备制造有限公司 | Method for assembling main shaft of crusher |
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Application publication date: 20150121 |