CN106194744A - The blank manufacture method of compressor piston and compressor piston - Google Patents
The blank manufacture method of compressor piston and compressor piston Download PDFInfo
- Publication number
- CN106194744A CN106194744A CN201610778342.5A CN201610778342A CN106194744A CN 106194744 A CN106194744 A CN 106194744A CN 201610778342 A CN201610778342 A CN 201610778342A CN 106194744 A CN106194744 A CN 106194744A
- Authority
- CN
- China
- Prior art keywords
- compressor piston
- internal ring
- outer shroud
- manufacture method
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- 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
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- F04C2240/00—Components
- F04C2240/20—Rotors
Abstract
The invention provides the blank manufacture method of a kind of compressor piston and compressor piston, belong to field of mechanical technique.The problem it solving existing compressor piston structure type lazy weight.This compressor piston includes inner tube, outer tube and two end caps between inner tube and outer tube;One end cap is connected as a single entity with inner tube, and the outer edge of end cap is sealedly and fixedly connected with outer tube;Another end cap is connected as a single entity with outer tube, and the inner edge portion of end cap is sealedly and fixedly connected with inner tube.In this compressor piston, two end caps are connected as a single entity with inner and outer tubes respectively so that this compressor piston is only made up of two parts and the seam of two parts shifts to install;Thus significantly improve the intensity of compressor piston.This compressor piston further mitigates the weight of compressor piston, and then can improve the Energy Efficiency Ratio of rotary compressor further.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of compressor, particularly a kind of compressor piston.
The invention belongs to field of mechanical technique, relate to a kind of compressor, the blank of a kind of compressor piston makes
Method.
Background technology
Air-conditioning can adjust the temperature of air, humidity, degree of purity and air velocity, and then improves amenity.Along with society
The economic development of meeting, the volume of production and marketing of air-conditioning hits new peak repeatly;, affected by global energy crisis, energy resource supply and consumption meanwhile
Contradiction steeply rise.It is the common target in the world to this end, energy-saving and cost-reducing;And the Energy Efficiency Ratio improving compressor of air conditioner becomes air-conditioning
One of groundwork of compressor industry.
Rotary compressor is the hugest in air conditioning applications quantity, about improving the document of rotary compressor Energy Efficiency Ratio relatively
Many, the compressor recorded such as Chinese patent literature thinks empty with rolling piston (application publication number CN105822556A), applicant
Stem body in use can deform, and then fills up proportion in cavity less than ferrum or the material of steel, alleviates weight, it is achieved fall
Low energy consumption.Those skilled in the art wish to propose more weight that can reduce, and can guarantee that again the piston of serviceability.
Summary of the invention
The present invention proposes a kind of compressor piston, the technical problem to be solved in the present invention be how another kind is proposed can
Reduce weight, can guarantee that again the piston of serviceability.
The present invention proposes the blank manufacture method of a kind of compressor piston, and how the technical problem to be solved in the present invention is
The piston blank manufacture method that a kind of applicable big batch metaplasia is produced is proposed.
Solving the technical problem that of the present invention can be realized by following technical proposal: in this compressor piston includes
Pipe, outer tube and two end caps between inner tube and outer tube;One end cap is connected as a single entity with inner tube, and the outer edge of end cap is with outer
The seal of tube is fixing to be connected;Another end cap is connected as a single entity with outer tube, and the inner edge portion of end cap is sealedly and fixedly connected with inner tube.
In this compressor piston, two end caps are connected as a single entity with inner and outer tubes respectively so that this compressor piston is only by two
The seam of individual part composition and two parts shifts to install;Thus significantly improve the intensity of compressor piston.
By substantial amounts of test, piston operating temperature in rotary compressor about 200 DEG C, confirms that this compressor is lived
Plug deflection under 200 DEG C of environment complies fully with compressor piston deflection technology requirement, i.e. this compressor piston and is suitable for application
In rotary compressor.
Having cavity in this compressor piston, compared with prior art, the serviceability of this compressor piston complies fully with
The rotary compressor technology requirement to piston;Obviously this compressor piston overcomes the thought open tubular column of those skilled in the art
Body in use can deform, it is impossible to meets the technology prejudice that the piston technology of rotary compressor requires.
Compared with prior art, this compressor piston further mitigates the weight of compressor piston, and then can be further
Improve the Energy Efficiency Ratio of rotary compressor.This compressor piston also has and manufactures more easily advantage.
The blank manufacture method of this compressor piston is carried out by following sequential steps: the most in no particular order order add
Work internal ring and processing internal ring;One end of internal ring has the first annular portion that turns edge protruded laterally, and one end of outer shroud has inwardly
The second annular that side is protruded turns edge portion;Then being socketed with outer shroud by internal ring, the seam finally along internal ring with outer shroud melts
Weldering processing.
The blank manufacture method of this compressor piston is carried out by following sequential steps: the most in no particular order order add
Work internal ring and processing outer shroud;One end of internal ring has the first annular portion that turns edge protruded laterally, and one end of outer shroud has inwardly
The second annular that side is protruded turns edge portion;Then spin friction is used to weld between internal ring with outer shroud.
The blank manufacture method of this compressor piston is carried out by following sequential steps: the most in no particular order order add
Work internal ring and processing outer shroud;One end of internal ring has the first annular portion that turns edge protruded laterally, and one end of outer shroud has inwardly
The second annular that side is protruded turns edge portion;Then cooling internal ring and heating outer shroud, finally and apply pressure by exterior ring cap outside internal ring
The first annular portion of turning edge is made to embed in outer shroud.
In this compressor piston, internal ring and outer shroud processing can use machining, it is clear that be suitable for big batch metaplasia and produce;Root
Corresponding internal ring and outer shroud assembling is selected according to the internal ring connected mode that is connected with outer shroud;Above-mentioned internal ring and outer shroud are connected connected mode
And processing method is suitable for big batch;Thus, the blank of this compressor piston is suitable for mass production.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this compressor piston.
Fig. 2 is the left view structural representation of this compressor piston.
Fig. 3 is the right TV structure schematic diagram of this compressor piston.
Fig. 4 is the sectional structure schematic diagram of this compressor piston outer-loop.
Fig. 5 is the sectional structure schematic diagram of internal ring in this compressor piston.
In figure, 1, inner tube;2, outer tube;3, end cap;4, internal ring;4a, the first annular portion that turns edge;5, outer shroud;5a, the second annular
Turn edge portion.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in Figures 1 to 5, this compressor piston includes that inner tube 1, outer tube 2 and two end caps 3, inner tube 1 and outer tube 2 are equal
In a tubular form, end cap 3 tabular ringwise;End cap 3 is between inner tube 1 and outer tube 2.
The inner edge portion of one end cap 3 is connected as a single entity with inner tube 1, and these parts are referred to as internal ring 4;In other words, one end tool of internal ring 4
The first annular portion 4a that turns edge protruded laterally, the first annular portion 4a that turns edge is had to be vertically arranged with other positions;First annular turn over
It is an end cap 3 along portion 4a.
The outer edge of another end cap 3 is connected as a single entity with outer tube 2, and these parts are referred to as outer shroud 5;In other words, one end of outer shroud 5
Having the second annular protruded to inner side to turn edge portion 5a, the second annular portion 5a that turns edge is vertically arranged with other positions;Second annular
The portion 5a of turning edge is another end cap 3.
The outer edge of one end cap 3 is sealedly and fixedly connected with outer tube 2;The inner edge portion of another end cap 3 and inner tube 1 seal solid
Fixed connection.In other words, internal ring 4 is positioned at the inner side of outer shroud 5, the lateral surface of the first annular portion 4a that turns edge and the other end of outer shroud 5
It is sealedly and fixedly connected between medial surface;Second annular turn edge portion 5a medial surface and the other end lateral surface of internal ring 4 between close
Sealing connects surely.Specifically, between internal ring 4 and outer shroud 5, employing is welded to connect.
The blank of compressor piston is processed by turning, grinding and surface and obtains compressor piston finished product.This compressor is lived
The blank manufacture method of plug is carried out by following sequential steps: the most sequentially processing internal ring 4 and processing outer shroud
5;
Internal ring 4 selects steel pipe as blank, first passes through spun end and preliminarily forms the first annular portion 4a that turns edge, then passes through
Squeezing shaping makes the first annular portion 4a that turns edge be vertically arranged with other positions;Finally carry out chip processing by required size.
Outer shroud 5 selects steel pipe as blank, first passes through spun end and preliminarily forms the second annular and turn edge portion 5a, then passes through
Squeezing shaping makes the second annular portion 5a that turns edge be vertically arranged with other positions;Finally carry out chip processing by required size.
The outside diameter d 2 of internal ring 4 turns edge slightly larger than the second annular the internal diameter d1 of portion 5a;The outer diameter D 2 of the first annular portion 4a that turns edge
Internal diameter D1 slightly larger than outer shroud 5.
Then internal ring 4 and outer shroud 5 it is arranged on spin friction bonding machine and performs spin friction welding;Outer shroud 5 is at a high speed
Rotating, internal ring 4 moves axially and penetrates in outer shroud 5.
Embodiment two
The present embodiment is essentially identical with structure and the principle of embodiment one, and essentially identical part no longer burden describes, and only retouches
Stating different place, different place is:
The blank manufacture method of this compressor piston is carried out by following sequential steps: the most in no particular order order add
Work internal ring 4 and processing outer shroud 5;The outside diameter d 2 of internal ring 4 is slightly less than the second annular and turns edge the internal diameter d1 of portion 5a;The first annular portion that turns edge
The outer diameter D 2 of 4a is slightly less than the internal diameter D1 of outer shroud 5.
Then being socketed with outer shroud 5 by internal ring 4, the seam finally along internal ring 4 with outer shroud 5 carries out melting weldering processing.
Embodiment three
The present embodiment is essentially identical with structure and the principle of embodiment one, and essentially identical part no longer burden describes, and only retouches
Stating different place, different place is: use interference fit to be connected between internal ring 4 with outer shroud 5.
The blank manufacture method of this compressor piston is carried out by following sequential steps: the most in no particular order order add
Work internal ring 4 and processing outer shroud 5;The outside diameter d 2 of internal ring 4 turns edge slightly larger than the second annular the internal diameter d1 of portion 5a;The first annular portion that turns edge
The outer diameter D 2 of 4a is slightly larger than the internal diameter D1 of outer shroud 5.
Then use liquid nitrogen that internal ring 4 is cooled to less than-60 DEG C, outer shroud 5 is heated to more than 200 DEG C, finally by outer shroud 5
Being enclosed within outside internal ring 4 and applying pressure makes the first annular portion 4a that turns edge embed in outer shroud 5.
Claims (10)
1. a compressor piston, including inner tube (1), outer tube (2) and two end caps being positioned between inner tube (1) and outer tube (2)
(3);It is characterized in that, an end cap (3) is connected as a single entity with inner tube (1), and the outer edge of end cap (3) and outer tube (2) seal fixing
Connect;Another end cap (3) is connected as a single entity with outer tube (2), and the inner edge portion of end cap (3) is sealedly and fixedly connected with inner tube (1).
Compressor piston the most according to claim 1, it is characterised in that the outer edge of described end cap (3) and outer tube (2) it
Between connect by welded seal is fixing;It is connected by welded seal is fixing between the inner edge portion of end cap (3) with inner tube (1).
Compressor piston the most according to claim 1, it is characterised in that the outer edge of described end cap (3) and outer tube (2) it
Between connect by interference fit seal is fixing;Connect by interference fit seal is fixing between inner edge portion and the inner tube (1) of end cap (3)
Connect.
4. the blank manufacture method of compressor piston described in a claim 2, it is characterised in that this blank manufacture method be by
Following sequential steps is carried out:
First, in no particular order order processing internal ring (4) and process internal ring (4);One end of internal ring (4) has protrudes laterally
The first annular portion that turns edge (4a), one end of outer shroud (5) has the second annular protruded to inner side and turns edge portion (5a);Then, by interior
Ring (4) is socketed with outer shroud (5);Finally, the seam along internal ring (4) Yu outer shroud (5) carries out melting weldering processing.
The blank manufacture method of compressor piston the most according to claim 4, it is characterised in that described processing internal ring (4)
For selecting steel pipe as blank, first pass through spun end and preliminarily form the first annular portion that turns edge (4a), then squeezing shaping first
Annular turns edge portion (4a);Last chip is machined to by required size.
The blank manufacture method of compressor piston the most according to claim 4, it is characterised in that described processing outer shroud (5)
For selecting steel pipe as blank, first pass through spun end and preliminarily form the second annular and turn edge portion (5a), then squeezing shaping second
Annular turns edge portion (5a);Last chip is machined to by required size.
7. the blank manufacture method of compressor piston described in a claim 2, it is characterised in that this blank manufacture method be by
Following sequential steps is carried out:
First, in no particular order order processing internal ring (4) and process outer shroud (5);One end of internal ring (4) has protrudes laterally
The first annular portion that turns edge (4a), one end of outer shroud (5) has the second annular protruded to inner side and turns edge portion (5a);Then, internal ring
(4) weld with using spin friction between outer shroud (5).
The blank manufacture method of compressor piston the most according to claim 7, it is characterised in that described spin friction is welded
Using spin friction bonding machine to perform, internal ring (4) and outer shroud (5) are arranged on spin friction bonding machine;Outer shroud (5) high-speed rotary
Turning, internal ring (4) moves axially and penetrates in outer shroud (5).
9. the blank manufacture method of compressor piston described in a claim 3, it is characterised in that this blank manufacture method be by
Following sequential steps is carried out:
First, in no particular order order processing internal ring (4) and process outer shroud (5);One end of internal ring (4) has protrudes laterally
The first annular portion that turns edge (4a), one end of outer shroud (5) has the second annular protruded to inner side and turns edge portion (5a);Then, cooling
Internal ring (4) and heating outer shroud (5);Finally, outer shroud (5) is enclosed within internal ring (4) outward and apply pressure and make the first annular portion that turns edge
(4a) embed in outer shroud (5).
The blank manufacture method of compressor piston the most according to claim 9, it is characterised in that described cooling internal ring (4)
For internal ring (4) is cooled to less than-60 DEG C;Outer shroud (5) is heated to more than 200 DEG C by heating outer shroud (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610778342.5A CN106194744B (en) | 2016-08-31 | 2016-08-31 | The blank production method of compressor piston |
Applications Claiming Priority (1)
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CN201610778342.5A CN106194744B (en) | 2016-08-31 | 2016-08-31 | The blank production method of compressor piston |
Publications (2)
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CN106194744A true CN106194744A (en) | 2016-12-07 |
CN106194744B CN106194744B (en) | 2018-11-30 |
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CN201610778342.5A Active CN106194744B (en) | 2016-08-31 | 2016-08-31 | The blank production method of compressor piston |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107100843A (en) * | 2017-06-30 | 2017-08-29 | 广东美芝制冷设备有限公司 | Wabbler mechanism and swing rotary compressor for swing rotary compressor |
CN107939680A (en) * | 2017-09-30 | 2018-04-20 | 宁波甬微集团有限公司 | The manufacture method of compressor rolling piston |
CN108708852A (en) * | 2018-05-30 | 2018-10-26 | 安徽美芝精密制造有限公司 | The preparation method of piston, compressor and refrigeration equipment and piston |
CN113385885A (en) * | 2021-05-20 | 2021-09-14 | 中国电子科技集团公司第十四研究所 | Device for intelligently monitoring interference assembly of rotary table in real time and assembly method |
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CN104235021A (en) * | 2013-06-24 | 2014-12-24 | 珠海格力电器股份有限公司 | Rolling rotor type compressor and roller thereof |
CN104879287A (en) * | 2015-06-09 | 2015-09-02 | 广东美芝制冷设备有限公司 | Piston and rotary compressor comprising same |
CN105201783A (en) * | 2015-10-22 | 2015-12-30 | 安徽美芝精密制造有限公司 | Compressor, compressor piston and preparation method of compressor piston |
CN105443390A (en) * | 2015-09-18 | 2016-03-30 | 宁波甬微集团有限公司 | Rolling piston for compressor and manufacturing method thereof |
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CN105840516A (en) * | 2016-05-06 | 2016-08-10 | 宁波甬微集团有限公司 | Rolling piston used for compressor |
CN105840515A (en) * | 2016-05-06 | 2016-08-10 | 宁波甬微集团有限公司 | Rolling piston used for compressor |
CN205503463U (en) * | 2016-03-23 | 2016-08-24 | 宁波甬微集团有限公司 | Rolling piston for compressor |
CN206017151U (en) * | 2016-08-31 | 2017-03-15 | 浙江百达精工股份有限公司 | Compressor piston |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107100843A (en) * | 2017-06-30 | 2017-08-29 | 广东美芝制冷设备有限公司 | Wabbler mechanism and swing rotary compressor for swing rotary compressor |
CN107100843B (en) * | 2017-06-30 | 2020-05-01 | 广东美芝制冷设备有限公司 | Swing mechanism for swing type rotary compressor and swing type rotary compressor |
CN107939680A (en) * | 2017-09-30 | 2018-04-20 | 宁波甬微集团有限公司 | The manufacture method of compressor rolling piston |
CN108708852A (en) * | 2018-05-30 | 2018-10-26 | 安徽美芝精密制造有限公司 | The preparation method of piston, compressor and refrigeration equipment and piston |
CN113385885A (en) * | 2021-05-20 | 2021-09-14 | 中国电子科技集团公司第十四研究所 | Device for intelligently monitoring interference assembly of rotary table in real time and assembly method |
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