CN102953994A - Double-cylinder rolling rotor type compressor pump body and pump body assembly method - Google Patents
Double-cylinder rolling rotor type compressor pump body and pump body assembly method Download PDFInfo
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- CN102953994A CN102953994A CN2011102517409A CN201110251740A CN102953994A CN 102953994 A CN102953994 A CN 102953994A CN 2011102517409 A CN2011102517409 A CN 2011102517409A CN 201110251740 A CN201110251740 A CN 201110251740A CN 102953994 A CN102953994 A CN 102953994A
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Abstract
The invention provides a double-cylinder rolling rotor type compressor pump body and a pump body assembly method. The assembly method of the double-cylinder rolling rotor type compressor pump body comprises the following steps of: step 1, eccentrically assembling an upper air cylinder and an upper flange to form a first assembly; step 2, concentrically assembling a lower air cylinder and a separation plate to form a second assembly; step 3, respectively arranging a crank shaft and an upper roller into the first assembly, eccentrically assembling upper flanges in the second assembly and the first assembly to fix the first assembly on the separation plate of the second assembly to form a third assembly; and step 4, assembling a lower flange with the third assembly. With the adoption of the technical scheme, the double-cylinder rolling rotor type compressor pump body and the pump body assembly method have the main advantages that when the pump body is assembled, the eccentric gap between the assembled upper and lower air cylinders can still be measured, the deformation of the air cylinders, which is caused by screwing a screw, is reduced, and the efficiency of the pump body is improved, so that the quality and the reliability of a whole machine product of a compressor can be improved.
Description
Technical field
The present invention relates to household electric appliance, compressor field, particularly the assembly method of a kind of double-cylinder rolling rotor type compressor pump body and the pump housing.
Background technique
Double-cylinder rolling-rotor type compressor claims again the double-rotor rolling rotor-type compressor, and it has two angles at eccentric crankshaft is 180 ° eccentric part, and roller (claiming again rotor or piston) is housed on each eccentric part.Two cylinders are 180 ° of staggered air-breathing, compressions and exhaust.Since Double-cylinder rolling-rotor type compressor can active balance the unbalance inertia force of compressor drum, have advantages of that smooth running, vibration are low, are applied in the air condition compressor more and more widely.
Although the twin-tub frequency-changeable compressor has its performance advantage, the difficulty of twin-tub frequency-changeable compressor in technology and production is then much bigger, and pump housing assembling wherein is exactly difficult technology of grasping.The quality of twin-tub pump housing assembly quality directly affects performance and the life-span of compressor.
Existing double cylinder compressor pump body assembling scheme mainly contains following three kinds of forms, and a kind of is S assembling scheme take Sanyo as representative, and its main points are the separately centering of upper and lower cylinder, more upper and lower cylinder are closed the assembling scheme of the heart; The second is the W assembling scheme take Wan Bao company of Panasonic as representative, and its main points are the separately centering of upper and lower cylinder, and pump partition plate is fixed on the upper cylinder with pin, more upper and lower cylinder is closed the assembling scheme of the heart; The third is the R assembling scheme take Hitachi, Ltd as representative, and its main points are centering schemes that upper cylinder, lower cylinder, lower flange are layering.
By the correlation technique of three company's assembling schemes is analyzed discovery: for the S scheme, after lower cylinder and the upper cylinder assembling, eccentric slot, pump partition plate and rolling piston end face seal distance are uncontrollable; For the W scheme, solved the leakage loss problem of pump partition plate, but the pin hole machining accuracy on the cylinder, pump partition plate is high, and the problem that still exists the eccentric slot of lower cylinder to measure; The R solution problem that can't measure of the eccentric slot of lower cylinder, but the leakage loss of pump partition plate is unresolved.These three kinds of schemes also have common characteristics, and namely screw is connected on the cylinder, when fastening screw trip bolt, can cause cylinder to produce certain distortion, and then affect the end face seal of cylinder and the reliability of compressor.
Summary of the invention
The object of the present invention is to provide the assembly method of a kind of double-cylinder rolling rotor type compressor pump body and the pump housing, this pump housing assembly method and structure overcome the shortcoming of existing double cylinder compressor pump body assembly method and structure existence, both guarantee pump housing assembly quality, and can satisfy again the needs of production in enormous quantities.
The present invention is achieved through the following technical solutions: a kind of assembly method of double-cylinder rolling rotor type compressor pump body comprises: step 1 with upper cylinder and the eccentric assembling of upper flange, forms the first assembly; Step 2 with lower cylinder and dividing plate concentric fits, forms the second assembly; Step 3 is respectively charged into bent axle and upper roller in the first assembly, with the eccentric assembling of the upper flange in the second assembly and the first assembly, and the first assembly is fixed on the dividing plate of the second assembly, forms the 3rd assembly; Step 4 with lower flange and the 3rd assembly concentric fits, forms double-cylinder rolling rotor type compressor pump body.
Further, in the step 1, fix with the first screw between upper cylinder and the upper flange.
Further, in the step 2, dividing plate is fixed on the lower cylinder with the second screw.
Further, in the step 3, with the 3rd screw the first assembly is fixed on the dividing plate of the second assembly.
Further, in the step 4, lower flange is fixed on the upper cylinder with the 4th screw respectively, is fixed on the dividing plate with the 5th screw.
Further, also comprise upper roller installation steps: upper roller is installed on the upper eccentric circle of bent axle.
Further, also comprise the lower roller installation steps: lower roller is installed on the lower eccentric circle of bent axle.
Further, also comprise: the first measurement procedure: the external diameter of roller is measured the external diameter of lower roller from the ultimate range Ymax of bent axle minor axis homonymy to the ultimate range Xmax of the major axis heteropleural external diameter of bent axle in the measurement.
Further, also comprise: the second measurement procedure, measure the upper cylinder inner circle to the distance X of the inner circle of subtend one side upper flange, according to the difference § of the X that measures and Xmax, adjust the relative position of upper flange and upper cylinder.
Further, also comprise: the 3rd measurement procedure, measure the lower cylinder inner circle to the distance Y of the minor axis homonymy cylindrical of bent axle, according to the difference ￡ of the Y that measures and Ymax, adjust the relative position of the second assembly and upper flange.
And a kind of double-cylinder rolling rotor type compressor pump body comprises: the first assembly comprises upper cylinder and upper flange that off-centre is assembled together; The second assembly comprises concentric fits lower cylinder and dividing plate together; The 3rd assembly comprises the second assembly and first assembly of combination, wherein, the eccentric assembling of the upper flange in the second assembly and the first assembly, the first assembly is fixed on the dividing plate in the second assembly; Lower flange, with the 3rd assembled together.
Further, fix with the first screw between upper cylinder and the upper flange.
Further, dividing plate is fixed on the lower cylinder with the second screw.
Further, the second screw is sunk screw, and counterbore is arranged in dividing plate.
Further, with the 3rd screw the first assembly is fixed on the dividing plate of the second assembly.
Further, lower flange is fixed on the upper cylinder with the 4th screw respectively, is fixed on the dividing plate with the 5th screw.
Further, upper roller is installed on the upper eccentric circle of bent axle.
Further, lower roller is installed on the lower eccentric circle of bent axle.
Pass through technique scheme, major advantage of the present invention is, when the pump housing assembles and the upper and lower cylinder eccentric slot after the assembling still can measure, reduce the cylinder deformation that causes because tightening screw, improve pump housing efficient, thereby can improve the q﹠r of compressor machine product.
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows an embodiment's of double-cylinder rolling rotor type compressor pump body of the present invention bent axle and the schematic diagram of upper and lower roller linkage structure;
Fig. 2 shows the schematic diagram of the first assembly of an embodiment of double-cylinder rolling rotor type compressor pump body of the present invention;
Fig. 3 shows the schematic diagram of the second assembly of an embodiment of double-cylinder rolling rotor type compressor pump body of the present invention;
Fig. 4 shows the schematic diagram of an embodiment's of double-cylinder rolling rotor type compressor pump body of the present invention the 3rd assembly; And
Fig. 5 shows an embodiment's of double-cylinder rolling rotor type compressor pump body of the present invention integral body assembling schematic diagram.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
An embodiment of double-cylinder rolling rotor type compressor pump body assembly method of the present invention is as follows:
Step 1, as shown in Figure 1 is installed in upper roller (rolling piston) 10 on the upper eccentric circle of bent axle 11, measures upper roller 10 external diameters to the ultimate range Xmax of the major axis heteropleural external diameter of bent axle with precision measuring instrument; Lower roller 12 is inserted on 11 times eccentric circles of bent axle, measures the external diameter of lower roller from the ultimate range Ymax of the minor axis homonymy of bent axle.
Step 2, as shown in Figure 2, assembling upper flange 21 and upper cylinder 22 are measured upper cylinder 22 inner circles to the distance X of subtend one side upper flange 21 inner circles with precision measurement instrument; Adjust upper flange 21 and upper cylinder 22 positions, §=X-Xmax value is in the certain limit, fixedly upper flange 21 and upper cylinder 22 are fixing with two the first screws 23, assemble out the first assembly 20.
Step 3, as shown in Figure 3, assembling lower cylinder 32 and dividing plate 31 are adjusted the position, make lower cylinder 32 and central diaphragm 31 concentric; Fixing with two the second screws 33, assemble out the second assembly 30.Wherein the second screw 33 can be sunk screw, and countersunk head is arranged in dividing plate.
Step 4, is as shown in Figure 4 packed bent axle 11, upper roller 10 and slide plate (not shown in FIG.) in the first assembly 20 into, but roller 10 and upper cylinder 22 gaps on the manual detection; Then put into the second assembly 30, measure lower cylinder 32 inner circles to the distance Y of bent axle 11 minor axis homonymy cylindricals with precision measurement instrument, adjust the relative position of the second assembly 30 and upper flange 21, ￡=Y-Ymax value is in the certain limit, with two the 3rd screws 41 the first assembly 20 is fixed on the dividing plate 31 of the second assembly 30, assembles out the 3rd assembly 40.
§ and ￡ interstice coverage are 10 μ m-30 μ m in above-mentioned steps two and the step 4, and the different gap value is got according to Technology Need in positions different in cylinder.As for certain compressor (QXAS-B110zX030), the vane slot position angle is 0 ° in the definition cylinder, 15 ° of gaps of locating of general control, 20 μ m-30 μ m, and the 105 ° of gap of locating 10 μ m-20 μ m, 195 ° of gaps of locating are 20 μ m-30 μ m.Concrete numerical value those skilled in the art as required can designed, designed.
Step 5, is as shown in Figure 5 put into lower roller 12 and slide plate (not shown in FIG.) in the 3rd assembly 40, detect lower cylinder 32 and lower roller 12 gaps; Carry out lower flange 52 and 40 assemblings of the 3rd assembly under the condition of rotary crankshaft 11, lower flange 52 is fixed on the upper cylinder 22 with the 4th screw 51 respectively, is fixed on the central diaphragm 31 with the 5th screw 53.
In the above step, step 2 and step 3 can be carried out with the random order arrangement, also can carry out simultaneously.
The present invention also provides a kind of rotary double cylinder compressor pump body, it comprises lower flange 52 and the 3rd assembly 40 that is fixed together with the 4th screw 51 and the 5th screw 53, the 3rd assembly 40 comprises the first assembly 20 and the second assembly 30, the first assembly 20 is fixed on the central diaphragm 31 of the second assembly 30 by two the 3rd screws 41, this first assembly 20 comprises the upper cylinder 22 and upper flange 21 of fixing with two the first screws 23, and this second assembly 30 comprises the lower cylinder 32 and central diaphragm 31 of fixing with two the second screws 33.
Referring to Fig. 5, preferably, upper flange 21 in the first assembly 20 is connected on the upper cylinder 22 by short screw 55, with the relative position of short screw on, lower flange 52 is connected on the upper cylinder 22 by long spiro nail 51, is provided with tapped hole at upper cylinder 22, is threaded with short screw 55 and long spiro nail 51, lower cylinder 32 and dividing plate 31 are provided with through hole, pass for long spiro nail 51.At opposite side, upper flange 21 is connected on the dividing plate 31 by a middle screw 54, lower flange 52 is connected on the dividing plate 31 by screw in another 53, two middle screws are oppositely arranged, dividing plate 31 is provided with tapped hole, be connected with two middle screws, upper cylinder 22 and lower cylinder 32 are provided with through hole, pass for two middle screws.
Double-cylinder rolling rotor type compressor pump body of the present invention and assembly method make it to compare with existing pump housing assembling scheme owing to having adopted above-mentioned technological scheme, have following advantage and good effect:
1, taked new means of fixation when the eccentric assembling of lower cylinder, the eccentric slot after the assembling still can be measured, thereby can guarantee quality of product.
2, realize being threaded at dividing plate by screw between the first assembly and the second assembly, can effectively reduce the cylinder deformation that causes because tightening screw, improve pump housing assembly quality, be conducive to improve compressor COP and reliability.
3, because screw is connected on the dividing plate, when guaranteeing join strength, can further reduce the cylinder height, realize air cylinder structure flattening design, reduce the pump housing and radially reveal, improve pump housing efficient.
4, especially, this assembling scheme is applied to adopt spot welding dividing plate mode fixedly during the duplex cylinder compressor of the pump housing, owing to having realized the concentric fits of dividing plate and the whole pump housing, therefore compare with the prior art scheme, not only end face seal distance between dividing plate and rolling piston can be effectively controlled, and fixedly during the pump housing, motor stator and rotor coaxality can be improved at the weldering dividing plate, vibration when reducing compressor operating has improved overall mass and reliability.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. the assembly method of a double-cylinder rolling rotor type compressor pump body is characterized in that, comprising:
Step 1 with the eccentric assembling of upper cylinder (22) and upper flange (21), forms the first assembly (20);
Step 2 with lower cylinder (32) and dividing plate (31) concentric fits, forms the second assembly (30);
Step 3, bent axle (11) and upper roller (10) are respectively charged in described the first assembly (20), with described the second assembly (30) and the eccentric assembling of the described upper flange (21) in described the first assembly (20), and described the first assembly (20) is fixed on the described dividing plate (31) of described the second assembly (30), form the 3rd assembly (40);
Step 4 with lower flange (52) and described the 3rd assembly (40) concentric fits, forms described double-cylinder rolling rotor type compressor pump body.
2. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 1 is characterized in that, and is in the step 1, fixing with the first screw (23) between described upper cylinder (22) and the described upper flange (21).
3. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 1 is characterized in that, in the step 2, described dividing plate (31) is fixed on the described lower cylinder (32) with the second screw (33).
4. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 1, it is characterized in that, in the step 3, with the 3rd screw (41) described the first assembly (20) is fixed on the described dividing plate (31) of described the second assembly (30).
5. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 1, it is characterized in that, in the step 4, described lower flange (52) uses respectively the 4th screw (51) to be fixed on the described upper cylinder (22), is fixed on the described dividing plate (31) with the 5th screw (53).
6. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 1 is characterized in that, also comprises, upper roller (10) installation steps: described upper roller (10) is installed on the upper eccentric circle of described bent axle (11).
7. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 6 is characterized in that, also comprises lower roller (12) installation steps: described lower roller (12) is installed on the lower eccentric circle of described bent axle (11).
8. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 7, it is characterized in that, also comprise: the first measurement procedure: measure the external diameter of described upper roller (10) to the ultimate range Xmax of the major axis heteropleural external diameter of described bent axle (11), measure the external diameter of described lower roller (12) from the ultimate range Ymax of the minor axis homonymy of described bent axle (11).
9. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 8, it is characterized in that, also comprise: the second measurement procedure, measure described upper cylinder (22) inner circle to the distance X of the inner circle of the described upper flange of subtend one side (21), according to the difference § of the X that measures and Xmax, adjust the relative position of described upper flange (21) and described upper cylinder (22).
10. the assembly method of double-cylinder rolling rotor type compressor pump body according to claim 8, it is characterized in that, also comprise: the 3rd measurement procedure, measure described lower cylinder (32) inner circle to the distance Y of the minor axis homonymy cylindrical of described bent axle (11), according to the difference ￡ of the Y that measures and Ymax, adjust the relative position of described the second assembly (30) and described upper flange (21).
11. a double-cylinder rolling rotor type compressor pump body is characterized in that, comprising:
The first assembly (20) comprises upper cylinder (22) and upper flange (21) that off-centre is assembled together;
The second assembly (30) comprises concentric fits lower cylinder (32) together and dividing plate (31);
The 3rd assembly (40), described the second assembly (30) and described the first assembly (20) that comprise combination, wherein, the eccentric assembling of upper flange (21) in described the second assembly (30) and described the first assembly (20), described the first assembly (20) are fixed on the described dividing plate (31) in described the second assembly (30);
Lower flange (52) is assembled together with described the 3rd assembly (40).
12. double-cylinder rolling rotor type compressor pump body according to claim 11 is characterized in that, and is fixing with the first screw (23) between described upper cylinder (22) and the described upper flange (21).
13. double-cylinder rolling rotor type compressor pump body according to claim 11 is characterized in that, described dividing plate (31) is fixed on the described lower cylinder (32) with the second screw (33).
14. double-cylinder rolling rotor type compressor pump body according to claim 13 is characterized in that, described the second screw (33) is sunk screw, and counterbore is arranged in described dividing plate (31).
15. double-cylinder rolling rotor type compressor pump body according to claim 11 is characterized in that, with the 3rd screw (41) described the first assembly (20) is fixed on the described dividing plate (31) of described the second assembly (30).
16. double-cylinder rolling rotor type compressor pump body according to claim 11, it is characterized in that, described lower flange (52) uses respectively the 4th screw (51) to be fixed on the described upper cylinder (22), is fixed on the described dividing plate (31) with the 5th screw (53).
17. double-cylinder rolling rotor type compressor pump body according to claim 11, it is characterized in that, also comprise bent axle (11) and be installed in upper roller (10) on the upper eccentric circle of described bent axle (11), described upper roller (10) is arranged in described the first assembly (20).
18. double-cylinder rolling rotor type compressor pump body according to claim 11, it is characterized in that, also comprise bent axle (11) and be installed in lower roller (12) on the lower eccentric circle of described bent axle (11), described lower roller (12) is arranged in described the second assembly (30).
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| CN2011102517409A CN102953994A (en) | 2011-08-29 | 2011-08-29 | Double-cylinder rolling rotor type compressor pump body and pump body assembly method |
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| CN2011102517409A CN102953994A (en) | 2011-08-29 | 2011-08-29 | Double-cylinder rolling rotor type compressor pump body and pump body assembly method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481880A (en) * | 2014-10-13 | 2015-04-01 | 广东美芝制冷设备有限公司 | An assembling method of an air cylinder assembly used for a double-cylinder rotary compressor |
| CN105218133A (en) * | 2014-06-26 | 2016-01-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of roller and working method thereof |
| CN110296081A (en) * | 2019-06-21 | 2019-10-01 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembly method of pump assembly, compressor and pump assembly |
| CN110332114A (en) * | 2019-06-10 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor pump structure, assembly method and rotor compressor |
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| CN102102669A (en) * | 2009-12-16 | 2011-06-22 | 东芝开利株式会社 | Multi-cylinder rotary compressor and refrigeration circulation device |
| 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 |
| CN202228359U (en) * | 2011-08-29 | 2012-05-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder rolling rotor type compressor pump body |
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| JPH03225097A (en) * | 1990-01-31 | 1991-10-04 | Sanyo Electric Co Ltd | Two-cylinder rotary compressor assembling method |
| CN1423056A (en) * | 2001-11-22 | 2003-06-11 | 株式会社日立制作所 | Closed revolving compressor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105218133A (en) * | 2014-06-26 | 2016-01-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of roller and working method thereof |
| CN104481880A (en) * | 2014-10-13 | 2015-04-01 | 广东美芝制冷设备有限公司 | An assembling method of an air cylinder assembly used for a double-cylinder rotary compressor |
| CN110332114A (en) * | 2019-06-10 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor pump structure, assembly method and rotor compressor |
| CN110296081A (en) * | 2019-06-21 | 2019-10-01 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembly method of pump assembly, compressor and pump assembly |
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Application publication date: 20130306 |