CN103182620B - A kind of assembly technology of the twin cylinder rotary compressor pump housing - Google Patents
A kind of assembly technology of the twin cylinder rotary compressor pump housing Download PDFInfo
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- CN103182620B CN103182620B CN201110448372.7A CN201110448372A CN103182620B CN 103182620 B CN103182620 B CN 103182620B CN 201110448372 A CN201110448372 A CN 201110448372A CN 103182620 B CN103182620 B CN 103182620B
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Abstract
The present invention relates to the assembly technology of a kind of twin cylinder rotary compressor pump housing, the method comprises the following steps: (1) upper bias assembling, upper cylinder cover and upper cylinder carries out eccentric assembling, and fixes with bolt, offset assembly P1 in formation；(2) exhaust valve plate and baffle plate are arranged on the upper cylinder cover of upper offset assembly P1, and are fixed by bolts on upper cylinder, offset assembly P2 in formation；(3) upper offset assembly P2 leak detection, is placed on leak detection fixture by upper offset assembly P2, hunts leak；(4) eccentric assembling under, forms lower offset assembly Q1；(5) exhaust valve plate and baffle plate are fixed on lower cylinder, form lower offset assembly Q2；(6) offset assembly Q2 leak detection under；(7) concentric fits, the installation of (8) upper deafener, complete the assembling of the whole pump housing.Compared with prior art, the present invention has can reduce seat portion height, reduces valve seat deformation, thus improving the advantage such as Performance And Reliability of compressor.
Description
Technical field
The present invention relates to double-cylinder rotary compressor, especially relate to the assembly technology of a kind of twin cylinder rotary compressor pump housing.
Background technology
As shown in Fig. 1～2, the exhaust structure of the rotor compressor pump housing is Reed Valve structure, is made up of baffle plate, reed valve plate, valve seat.Existing exhaust valve plate 5 mounting structure, it is that exhaust valve plate 5 and baffle plate 4 are arranged in the cylinder cap seat portion 1 of compressor, and it is fixed in the seat portion 1 of cylinder cap by bolt, form cylinder cover component (as shown in Figure 1), then pass through eccentric assembling to be connected with cylinder 10 (as shown in Figure 2) by cylinder cover component, cylinder cap 9 is provided with screwed hole 2, cylinder 10 is provided with dodges through hole 7, fixing bolt 8 is threadeded through baffle plate 4 and valve block 5 with the screwed hole 2 on cylinder cap, bolt 8 top is inserted the through hole 7 of dodging of cylinder 10 and is dodged, head exhaust passage 3 is arranged on above cylinder exhaust passage breach 6.Fixing method mainly has two kinds: 1. bolt is fixed；2. riveted joint is fixing.
The assembly technology of this pump housing is as it is shown on figure 3, be:
Operation one: exhaust valve plate, baffle plate are mounted on cylinder cap
Exhaust valve plate, baffle plate are arranged on up/down cylinder cap, and with fixing on bolt or rivet cylinder cap over/under, form upper cylinder cover assembly M, lower cylinder cover component N；
Operation two: cylinder cover component is hunted leak
This up/down cylinder cover component M, N are hunted leak；
Operation three: upper bias assembling
Upper cylinder cover assembly M is carried out eccentric assembling with upper cylinder, and fixes with bolt, offset assembly P in formation；
Operation four: lower bias assembling
Lower cylinder cover component N is carried out eccentric assembling with lower cylinder, and fixes with bolt, form lower offset assembly Q；
Operation five: concentric fits
Assembly P is sequentially loaded into bent axle, upper piston, intermediate plate, lower piston, it is loaded on the pump housing parts such as assembly Q and bottom silencer, debugging (measurement) the assembly Q horizontal and vertical relative centre position relative to assembly P, Q is adjusted, fixes, then with bolt, assembly Q and assembly P is fixed, so that it is determined that the concentric position of the whole pump housing；
Operation six: upper deafener is installed
With bolt, upper deafener is arranged on upper cylinder cover, completes the assembling of the whole pump housing.
In this process, exhaust valve plate, baffle plate are mounted on cylinder cap by bolt or rivet, and 2 kinds of methods all can make cylinder cap valve seat local pressure comparatively serious, and compressor efficiency and reliability are produced impact by meeting in various degree.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide one can reduce seat portion height, reduce valve seat deformation, thus improving the assembly technology of the twin cylinder rotary compressor pump housing of the Performance And Reliability of compressor.
The purpose of the present invention can be achieved through the following technical solutions: the assembly technology of a kind of twin cylinder rotary compressor pump housing, it is characterised in that the method comprises the following steps:
(1) upper bias assembling
Upper cylinder cover and upper cylinder are carried out eccentric assembling, and fixes with bolt, offset assembly P1 in formation；
(2) exhaust valve plate and baffle plate are mounted on upper cylinder
Exhaust valve plate and baffle plate are arranged in the upper cylinder cover seat portion of upper offset assembly P1, are fixed by bolts on upper cylinder, fix with bolt, offset assembly P2 in formation；
(3) upper offset assembly P2 leak detection
Upper offset assembly P2 is placed on leak detection fixture, hunts leak；
(4) eccentric assembling under
Lower cylinder cap and lower cylinder are carried out eccentric assembling, forms lower offset assembly Q1；
(5) exhaust valve plate and baffle plate are mounted on lower cylinder
Exhaust valve plate and baffle plate are arranged in the lower cylinder cap seat portion of lower offset assembly Q1, are fixed by bolts on lower cylinder, form lower offset assembly Q2；
(6) offset assembly Q2 leak detection under
Lower offset assembly Q2 is placed on leak detection fixture, hunts leak；
(7) concentric fits
Upper offset assembly P2 is sequentially loaded into bent axle, upper piston, intermediate plate, lower piston, it is loaded on lower offset assembly Q2 and bottom silencer, the lower offset assembly Q2 horizontal and vertical relative centre position relative to upper offset assembly P2 of debugging, lower offset assembly Q2 is adjusted, fixes, then with bolt, lower offset assembly Q2 and upper offset assembly P2 is fixed, so that it is determined that the concentric position of the whole pump housing；
(8) installation of upper deafener
With bolt, upper deafener is arranged on upper cylinder cover, completes the assembling of the whole pump housing.
Described in step (2), exhaust valve plate and baffle plate are arranged on concretely comprising the following steps on the upper cylinder of upper offset assembly P1: the seat portion at upper cylinder cover arranges through hole, upper cylinder is threaded hole, this screwed hole is positioned at below through hole, inserts and carry out threaded fixing in screwed hole after screw bolt passes baffle plate, exhaust valve plate, through hole.
Described in step (5), exhaust valve plate and baffle plate are arranged on concretely comprising the following steps on the lower cylinder of lower offset assembly Q1: the seat portion at lower cylinder cap arranges through hole, lower cylinder is threaded hole, this screwed hole is positioned at below through hole, inserts and carry out threaded fixing in screwed hole after screw bolt passes baffle plate, exhaust valve plate, through hole.
Described leak detection fixture includes three parts: install fixture, base clamp and pressurization case, described installation fixture is arranged on base clamp, described pressure cowling clamshell is located on installation fixture, it would be desirable to the offset assembly of leak detection is compacted to installation fixture, then applies leak detection pressure and hunts leak.
Described installation fixture includes annular base, the clamping block that on this annular base, opposite sides is arranged, the thrust device arranged on clamping block, it is additionally provided with blade groove sealing block, suction hole sealing block, it is datum level that described annular base upper surface clamps between block in both sides, this datum level is provided with sealing ring, this sealing ring is for cylinder bore diameter end face seal, the described wedge shaped shape of blade groove sealing block, it highly matches with the cylinder height of offset assembly, width and cylinder blade well width match, it is sealed by the blade groove of blade groove sealing block insertion offset assembly cylinder, described suction hole sealing block is tapered, the suction hole diameter of its diameter and cylinder matches, its centre-height is consistent with the suction hole centre-height of cylinder, the suction hole that suction hole sealing block inserts cylinder is interior to its sealing, offset assembly is sealed by described thrust device along blade groove and the push-tight of suction hole direction；
Described base clamp is provided with the sensor that detection is revealed；
Described pressurization case connects force (forcing) pump, and the installation fixture in pressurization case is applied leak detection pressure.
Described installation clamp back surface is provided with connecting hole, this connecting hole is consistent with the sensor aperture on base clamp, described installation fixture is additionally provided with dowel hole and installing hole, described base clamp is provided with alignment pin and screwed hole, described alignment pin is connected with the dowel hole installed on fixture, and described installing hole and screwed hole are bolted fixing.
Compared with prior art, the invention have the advantages that
1. exhaust valve plate, baffle plate can be arranged on the seat portion of cylinder cap, and the screwed hole of former seat portion changes through hole into；Being fixed on cylinder by bolt by exhaust valve plate, baffle plate, the bolt on Primordial Qi cylinder is dodged hole and is changed installation screwed hole into.By this structure, it is possible to reduce seat portion height, reduce valve seat deformation, thus improving the Performance And Reliability of compressor；
2. original technique is eccentric assembling of first hunting leak again, if after exhaust valve plate, baffle plate are first installed by the process newly set, cannot be carried out eccentric assembling (cylinder cap cylinder because of exhaust valve plate install bolt fixing after, regulate degree of freedom without acceptance of persons), therefore must first carry out eccentric assembling, then exhaust valve plate, baffle plate are arranged on cylinder；
3. the leak detection of the exhaust valve plate in former head exhaust seat portion, after being changed to the eccentric assembling of cylinder cap+cylinder, assembly is hunted leak, and the fixture that this assembly is hunted leak is designed.
Accompanying drawing explanation
Fig. 1 is existing exhaust valve plate and the structural representation of baffle plate installation；
Fig. 2 is the structural representation that existing exhaust valve plate is fixed on cylinder cap with bolt；
Fig. 3 is the assembly technology figure of the existing pump housing；
Fig. 4 is the structural representation that exhaust valve plate of the present invention is fixed on cylinder with bolt；
Fig. 5 is the assembly technology figure of the pump housing of the present invention；
Fig. 6 leak detection fixture of the present invention is installed the structural representation of fixture and base clamp assembling；
Fig. 7 is the structural representation that offset assembly of the present invention assembles in fixture in figure 6；
Fig. 8 is the leakage detecting structure schematic diagram of offset assembly of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As it is shown in figure 5, the assembly technology of a kind of twin cylinder rotary compressor pump housing, the method comprises the following steps:
(1) upper bias assembling
Upper cylinder cover and upper cylinder are carried out eccentric assembling, and fixes with bolt, offset assembly P1 in formation；
(2) exhaust valve plate and baffle plate are mounted on upper cylinder
As shown in Figure 4, seat portion at upper cylinder cover 9 arranges through hole 12, is threaded hole 13 on upper cylinder 10, and this screwed hole 13 is positioned at below through hole 12, bolt 8 inserts after sequentially passing through baffle plate 4, exhaust valve plate 5, through hole 12 and carries out threaded fixing, offset assembly P2 in formation in screwed hole 13；
(3) upper offset assembly P2 leak detection
Upper offset assembly P2 is placed on leak detection fixture, hunts leak；
(4) eccentric assembling under
Lower cylinder cap and lower cylinder are carried out eccentric assembling, forms lower offset assembly Q1；
(5) exhaust valve plate and baffle plate are mounted on lower cylinder
Seat portion at lower cylinder cap arranges through hole, the lower cylinder of lower offset assembly Q1 is threaded hole, this screwed hole is positioned at below through hole, inserts and carry out threaded fixing in screwed hole after screw bolt passes baffle plate, exhaust valve plate, through hole, forms lower offset assembly Q2 (referring to Fig. 4)；
(6) offset assembly Q2 leak detection under
Lower offset assembly Q2 is placed on leak detection fixture, hunts leak；
(7) concentric fits
Upper offset assembly P2 is sequentially loaded into bent axle, upper piston, intermediate plate, lower piston, it is loaded on lower offset assembly Q2 and bottom silencer, the lower offset assembly Q2 horizontal and vertical relative centre position relative to upper offset assembly P2 of debugging, lower offset assembly Q2 is adjusted, fixes, then with bolt, lower offset assembly Q2 and upper offset assembly P2 is fixed, so that it is determined that the concentric position of the whole pump housing；
(8) installation of upper deafener
With bolt, upper deafener is arranged on upper cylinder cover, completes the assembling of the whole pump housing.
As shown in figs 6-8, leak detection fixture used in above-mentioned steps (3) and step (6) includes three parts: install fixture A, base clamp B and pressurization case C, described installation fixture A is arranged on base clamp B, described pressure cowling clamshell C is located on installation fixture A, the offset assembly (as above offset assembly P2 or lower offset assembly Q2) needing leak detection is compacted to installation fixture A, then applies leak detection pressure and hunt leak.
Described installation fixture A includes annular base A1, the clamping block A2 that on this annular base A1, opposite sides is arranged, the thrust device arranged on clamping block A2, it is additionally provided with blade groove sealing block, suction hole sealing block, it is datum level that described annular base A1 upper surface clamps between block in both sides, this datum level is provided with sealing ring A3, this sealing ring A3 is for cylinder bore diameter end face seal, the described wedge shaped shape of blade groove sealing block, it highly matches with the cylinder height of offset assembly, width and cylinder blade well width match, it is sealed by the blade groove of blade groove sealing block insertion offset assembly cylinder, described suction hole sealing block is tapered, the suction hole diameter of its diameter and cylinder matches, its centre-height is consistent with the suction hole centre-height of cylinder, the suction hole that suction hole sealing block inserts cylinder is interior to its sealing, offset assembly is sealed by described thrust device along blade groove and the push-tight of suction hole direction；Fixture A is installed to change according to different machine types, it is simple to machine exchanges.
Described base clamp B is provided with the sensor that detection is revealed；
The annular base A1 thickness installing fixture is H, the back side of sealing ring A3 and annular base A1 communicates, a connecting hole A4 is had at the annular base A1 back side, this connecting hole A4 is consistent with the sensor aperture on base clamp B, described installation fixture is additionally provided with dowel hole A5 and installing hole, described base clamp B is provided with alignment pin B1 and screwed hole, and described alignment pin B1 is connected with the dowel hole A5 installed on fixture, and described installing hole and screwed hole are bolted fixing.
Described pressurization case C connects force (forcing) pump, and the installation fixture in pressurization case is applied leak detection pressure.
Claims (6)
1. the assembly technology of a twin cylinder rotary compressor pump housing, it is characterised in that this technique comprises the following steps:
(1) upper bias assembling
Upper cylinder cover and upper cylinder are carried out eccentric assembling, and fixes with bolt, offset assembly P1 in formation；
(2) exhaust valve plate and baffle plate are mounted on upper cylinder
Exhaust valve plate and baffle plate are arranged in the upper cylinder cover seat portion of upper offset assembly P1, are fixed by bolts on upper cylinder, offset assembly P2 in formation；
(3) upper offset assembly P2 leak detection
Upper offset assembly P2 is placed on leak detection fixture, hunts leak；
(4) eccentric assembling under
Lower cylinder cap and lower cylinder are carried out eccentric assembling, forms lower offset assembly Q1；
(5) exhaust valve plate and baffle plate are mounted on lower cylinder
Exhaust valve plate and baffle plate are arranged in the lower cylinder cap seat portion of lower offset assembly Q1, are fixed by bolts on lower cylinder, form lower offset assembly Q2；
(6) offset assembly Q2 leak detection under
Lower offset assembly Q2 is placed on leak detection fixture, hunts leak；
(7) concentric fits
Upper offset assembly P2 is sequentially loaded into bent axle, upper piston, intermediate plate, lower piston, it is loaded on lower offset assembly Q2 and bottom silencer, the lower offset assembly Q2 horizontal and vertical relative centre position relative to upper offset assembly P2 of debugging, lower offset assembly Q2 is adjusted, fixes, then with bolt, lower offset assembly Q2 and upper offset assembly P2 is fixed, so that it is determined that the concentric position of the whole pump housing；
(8) installation of upper deafener
With bolt, upper deafener is arranged on upper cylinder cover, completes the assembling of the whole pump housing.
2. the assembly technology of a kind of twin cylinder rotary compressor pump housing according to claim 1, it is characterized in that, exhaust valve plate and baffle plate are arranged in the upper cylinder cover seat portion of upper offset assembly P1 described in step (2), and it being fixed by bolts to concretely comprising the following steps on upper cylinder: the seat portion at upper cylinder cover arranges through hole, upper cylinder is threaded hole, this screwed hole is positioned at below through hole, inserts and carry out threaded fixing in screwed hole after screw bolt passes baffle plate, exhaust valve plate, through hole.
3. the assembly technology of a kind of twin cylinder rotary compressor pump housing according to claim 1, it is characterized in that, exhaust valve plate and baffle plate are arranged in the lower cylinder cap seat portion of lower offset assembly Q1 described in step (5), and it being fixed by bolts to concretely comprising the following steps on lower cylinder: the seat portion at lower cylinder cap arranges through hole, lower cylinder is threaded hole, this screwed hole is positioned at below through hole, inserts and carry out threaded fixing in screwed hole after screw bolt passes baffle plate, exhaust valve plate, through hole.
4. the assembly technology of a kind of twin cylinder rotary compressor pump housing according to claim 1, it is characterized in that, described leak detection fixture includes three parts: install fixture, base clamp and pressurization case, described installation fixture is arranged on base clamp, described pressure cowling clamshell is located on installation fixture, the offset assembly needing leak detection is compacted to installation fixture, then applies leak detection pressure and hunt leak.
5. the assembly technology of a kind of twin cylinder rotary compressor pump housing according to claim 4, it is characterized in that, described installation fixture includes annular base, the clamping block that on this annular base, opposite sides is arranged, the thrust device arranged on clamping block, it is additionally provided with blade groove sealing block, suction hole sealing block, it is datum level that described annular base upper surface clamps between block in both sides, this datum level is provided with sealing ring, this sealing ring is for cylinder bore diameter end face seal, the described wedge shaped shape of blade groove sealing block, its height matches with the cylinder height higher than offset assembly, width and cylinder blade well width match, it is sealed by the blade groove of blade groove sealing block insertion offset assembly cylinder, described suction hole sealing block is tapered, the suction hole diameter of its diameter and cylinder matches, its centre-height is consistent with the suction hole centre-height of cylinder, the suction hole that suction hole sealing block inserts cylinder is interior to its sealing, offset assembly is sealed by described thrust device along blade groove and the push-tight of suction hole direction；
Described base clamp is provided with the sensor that detection is revealed；
Described pressurization case connects force (forcing) pump, and the installation fixture in pressurization case is applied leak detection pressure.
6. the assembly technology of a kind of twin cylinder rotary compressor pump housing according to claim 5, it is characterized in that, described installation clamp back surface is provided with connecting hole, this connecting hole is consistent with the sensor aperture on base clamp, described installation fixture is additionally provided with dowel hole and installing hole, described base clamp is provided with alignment pin and screwed hole, and described alignment pin is connected with the dowel hole installed on fixture, and described installing hole and screwed hole are bolted fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110448372.7A CN103182620B (en) | 2011-12-28 | 2011-12-28 | A kind of assembly technology of the twin cylinder rotary compressor pump housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110448372.7A CN103182620B (en) | 2011-12-28 | 2011-12-28 | A kind of assembly technology of the twin cylinder rotary compressor pump housing |
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| Publication Number | Publication Date |
|---|---|
| CN103182620A CN103182620A (en) | 2013-07-03 |
| CN103182620B true CN103182620B (en) | 2016-06-29 |
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| CN201110448372.7A Active CN103182620B (en) | 2011-12-28 | 2011-12-28 | A kind of assembly technology of the twin cylinder rotary compressor pump housing |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4483024B2 (en) * | 2000-05-12 | 2010-06-16 | 三菱電機株式会社 | Two-cylinder rotary compressor, assembly jig, and assembly method |
| CN1233939C (en) * | 2002-04-16 | 2005-12-28 | 上海日立电器有限公司 | Double-cylinder rotary compressor eccentrically assembling method |
| CN1230626C (en) * | 2002-12-31 | 2005-12-07 | 上海日立电器有限公司 | Eccentric assembling method for double cylinder roatry compressor |
| CN100535446C (en) * | 2004-12-22 | 2009-09-02 | 上海日立电器有限公司 | Method for assembling pump-body of compressor with revolving twin cylinder |
| CN101397997B (en) * | 2008-10-24 | 2010-06-16 | 珠海格力电器股份有限公司 | Assembling method of rotary double cylinder compressor pump body |
| JP5097098B2 (en) * | 2008-12-12 | 2012-12-12 | 三菱電機株式会社 | Rotary compressor, rotary compressor manufacturing method, and rotary compressor manufacturing apparatus. |
| CN102121474A (en) * | 2010-01-07 | 2011-07-13 | 珠海格力电器股份有限公司 | Method for assembling pump body of double-cylinder rotation type compressor |
| JP2011250535A (en) * | 2010-05-25 | 2011-12-08 | Daikin Ind Ltd | Axial gap motor, fluid machine, and fluid machine assembly method |
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Address after: 201206 Shanghai China (Shanghai) free trade test area, Yun Qiao Road No. 1051 Patentee after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206, Pudong New Area Pudong Jinqiao Export Processing Zone, No. 1051, Bridge Road, Shanghai Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |
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