CN111112718A - Processing method of oil supply structure of upper cylinder cover of compressor and oil supply mechanism - Google Patents
Processing method of oil supply structure of upper cylinder cover of compressor and oil supply mechanism Download PDFInfo
- Publication number
- CN111112718A CN111112718A CN201811283497.7A CN201811283497A CN111112718A CN 111112718 A CN111112718 A CN 111112718A CN 201811283497 A CN201811283497 A CN 201811283497A CN 111112718 A CN111112718 A CN 111112718A
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- CN
- China
- Prior art keywords
- compressor
- cylinder cover
- upper cylinder
- oil supply
- supply structure
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D3/00—Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D13/00—Tools or tool holders specially designed for planing or slotting machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
Abstract
The invention provides a processing method of an oil supply structure of an upper cylinder cover of a compressor, the oil supply structure of the upper cylinder cover of the compressor obtained by applying the processing method and the upper cylinder cover of the compressor comprising the oil supply structure. The processing method comprises the following steps: fixing the upper cylinder cover of the compressor; placing a spiral push broach into an inner hole of an upper cylinder cover of the compressor, and vertically and downwards rotating the spiral push broach to push and cut; and after the machining is finished, the spiral push broach rotates in the opposite direction and vertically rises until the spiral push broach exits from the inner hole of the upper cylinder cover. Compared with the milling mode in the prior art, the processing method of the oil supply structure of the upper cylinder cover of the compressor saves the cost of processing auxiliary materials, remarkably improves the processing efficiency, and further has low personnel training investment and easy mastering.
Description
Technical Field
The invention belongs to the technical field of compressors, and particularly relates to a machining method of an upper cylinder cover oil supply structure of a compressor and an oil supply structure obtained by applying the machining method.
Background
The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, and with the continuous development of economy, the rotor compressor is more and more widely applied due to the fact that the rotor compressor is few in parts, compact in size and light in weight.
As is well known, a compressor is a core component of a refrigeration system, and the important link of the compressor is required to ensure the processes of air conditioning, refrigeration houses and chemical refrigeration. The lubrication in the compressor can not only reduce the friction and the abrasion of a machine, but also play roles in sealing, cooling and reducing the running noise, and the good lubrication condition type compressor is important to ensure the long-term reliable work.
The lubricating system of the compressor is very important for normal work, the compressor has a good lubricating system to have a good working state, the cylinder cover is used as a core component of the compressor and is mainly used for sealing the cylinder, connecting the crankshaft and simultaneously used as a component for starting and stopping, and the oil groove of the upper cylinder cover of the compressor is mainly used for guiding lubricating oil in the pump body, so that the lubricating property of the crankshaft and the inner hole of the upper cylinder cover is good, the abrasion is reduced, and the mechanical power is reduced.
In the prior art, an oil groove of an upper cylinder cover of a compressor is milled, the main motion is the rotary motion of a milling cutter, the feed motion is generally the linear or curvilinear motion of a workpiece, the milling is interrupted cutting, and impact and vibration are easy to generate, so that the processing precision is reduced; aiming at the problem that the composite oil groove is formed only by adopting milling cutters with two diameters and processing twice, the productivity of cutting processing is low; the consistency of the depth and the width of the oil tank processed by the upper cylinder cover is unstable; in the machining process, the oil groove starting and ending positions of a cylinder cover on a compressor are unstable, the stability in the milling process is poor, and a lot of burrs are generated at the intersection lines; because the workpiece and the cutter move oppositely, the durability of the cutter is low, the milling cutter is easy to break in the machining process, and the auxiliary material cost is high; the processing procedure has high requirements on the skills of personnel.
Disclosure of Invention
The invention aims to provide a processing method of an upper cylinder cover oil supply structure of a compressor, which is used for solving the problems of high processing auxiliary material cost, low processing efficiency and high requirement on personnel skills of the oil supply structure in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme: a processing method of an oil supply structure of an upper cylinder cover of a compressor, wherein the upper cylinder cover of the compressor comprises an inner hole, the oil supply structure is positioned on the side wall of the inner hole, and the processing method comprises the following steps:
s1: fixing the upper cylinder cover of the compressor;
s2: placing a spiral push broach into the inner hole of the upper cylinder cover of the compressor, and vertically and downwards rotating the spiral push broach to push and cut;
s3: and after the machining is finished, the spiral push broach rotates in the opposite direction and vertically rises until the spiral push broach exits from the inner hole.
Preferably, the step S2 adopts a progressive processing mode of rough cutting, finish cutting and finishing.
Preferably, the spiral push broach comprises three parts: the spiral push broach comprises a fixed section, a cutting section and a guiding section, wherein the fixed section is positioned at one end of the spiral push broach, the guiding section is positioned at the other end of the spiral push broach, and the cutting section is positioned between the fixed section and the guiding section;
the fixing section is used for fixing the spiral push broach;
the cutting section is used for cutting and machining the oil supply structure of the upper cylinder cover of the compressor;
the guide section is used for guiding the spiral push broach to be concentric with the upper cylinder cover of the compressor.
Preferably, the spiral push broach comprises a blade part, the cutting section of the spiral push broach is of a columnar structure, and the blade part surrounds the outer wall of the columnar structure in a spiral shape.
Preferably, the depth of the blade part is sequentially deepened along the direction from the guide section to the fixing section of the spiral push broach.
Preferably, the spiral push-type broach is matched with the shape of the oil supply structure of the upper cylinder cover of the compressor.
The invention also provides an oil supply structure of the upper cylinder cover of the compressor, which is processed by the processing method of the oil supply structure of the upper cylinder cover of the compressor.
Preferably, the oil supply structure includes at least one groove located in a side wall of the bore.
Preferably, oil supply structure includes double helix groove, double helix groove parallel arrangement in the lateral wall of hole, double helix groove one shot forming.
The invention also provides an upper compressor cylinder cover, and the inner hole of the upper compressor cylinder cover comprises the oil supply structure of the upper compressor cylinder cover.
The invention has the beneficial effects that: compared with the milling mode in the prior art, the processing auxiliary material cost is saved, and the auxiliary material cost of the processing method is about one fifth of that of the milling mode in the prior art; furthermore, the processing efficiency is obviously improved, and is about 5 times of the milling processing mode in the prior art; furthermore, compared with the prior art, the processing mode provided by the invention has the advantages of low personnel training investment and easy mastering. Compared with the prior art, the processing method of the oil supply structure of the upper cylinder cover of the compressor provided by the invention has the advantages that the obtained oil supply structure of the upper cylinder cover is stable in quality, and the reject ratio is only 1% of the original reject ratio.
Drawings
Fig. 1 is a flow chart of a processing method of an oil supply structure of an upper cylinder cover of a compressor according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a spiral push-type broach in a flow chart of a processing method of an oil supply structure of an upper cylinder cover of a compressor according to an embodiment of the present invention;
FIG. 3 is a schematic view of an oil supply structure for an upper cylinder head of a compressor according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view illustrating an oil supply structure for an upper cylinder head of a compressor according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the comparison of the remodeling time of the embodiment of the present invention with that of the prior art;
FIG. 6 is a schematic diagram comparing the consumption of excipients in an embodiment of the present invention with the prior art;
FIG. 7 is a schematic diagram comparing the processing efficiency of an embodiment of the present invention with that of the prior art;
FIG. 8 is a schematic diagram of a throw-in apparatus of an embodiment of the present invention in comparison with the prior art;
wherein the reference numerals of figures 1-8 are as follows:
1-a fixed section, 2-a cutting section, 3-a guiding section, 4-a blade part, 50-a single oil groove, 51-a first oil groove, 52-a second oil groove.
Detailed Description
In order to make the objects, advantages and features of the present invention more apparent, a method for manufacturing an oil supply structure of an upper cylinder head of a compressor according to the present invention will be described in further detail with reference to fig. 1 to 8. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
An embodiment of the present invention provides a method for processing an oil supply structure of an upper cylinder cover of a compressor, where the upper cylinder cover of the compressor includes an inner hole, the oil supply structure is located on a side wall of the inner hole, as shown in fig. 1, and the method includes the following steps:
s1: and fixing the upper cylinder cover of the compressor.
S2: and placing a spiral push-type broach into the inner hole of the upper cylinder cover of the compressor, and vertically and downwards rotating the spiral push-type broach to push and cut.
As shown in fig. 2, the spiral push-type broach according to the present embodiment includes three parts: the spiral push broach comprises a fixed section 1, a cutting section 2 and a guiding section 3, wherein the fixed section 1 is positioned at one end of the spiral push broach, the guiding section 3 is positioned at the other end of the spiral push broach, and the cutting section 2 is positioned between the fixed section 1 and the guiding section 3; the fixing section 1 is used for fixing the spiral push broach; the cutting section 2 is used for cutting and processing the oil supply structure of the upper cylinder cover of the compressor; the guide section 3 is used for guiding the spiral push broach to be concentric with the upper cylinder cover of the compressor.
The spiral push broach described in this embodiment includes cutting part 4, the cutting section 2 of spiral push broach is the column structure, cutting part 4 be the heliciform around in the outer wall of column structure. Furthermore, the depth of the edge part is sequentially deepened along the direction from the guide section to the fixed section of the spiral push broach.
The step S2 adopts a progressive processing mode of rough cutting, finish cutting, and finishing.
S3: and after the machining is finished, the spiral push broach rotates in the opposite direction and vertically rises until the spiral push broach exits from the inner hole.
When in processing, the clearance between the spiral push broach and the oil supply structure of the upper cylinder cover of the compressor is controlled to be 0.1-0.15, so that the processing consistency is ensured.
The spiral push broach can be made of alloy materials, and can be repaired and used for multiple times; further, the spiral push broach of the embodiment is matched with the oil supply structure of the upper cylinder cover of the compressor in shape, and different spiral push broach is used according to different shapes of the oil supply structure of the upper cylinder cover of the compressor; furthermore, different spiral push knives use different spiral guide sleeves, the replacement is simple and efficient, and secondary debugging is not needed.
As can be seen from fig. 5, fig. 6, fig. 7 and fig. 8, taking the processing of the double oil tanks of the cylinder cover on 2000 tens of thousands of compressors as an example, compared with the prior art, the auxiliary material cost of the invention is saved by 760 ten thousand yuan, the processing efficiency is 5 times that of the prior art, and further, the equipment investment can be saved by 3; the labor cost investment can be saved by 3 persons; furthermore, compared with the prior art that the reject ratio is about 1%, the reject ratio of the equipment can be controlled to be 0.01%, and the reject ratio is only 1% in the prior art; furthermore, the training investment of personnel is greatly reduced, the traditional processing mode needs an experienced master, and the learning time of the improved equipment can be shortened to be finished within 2 hours.
The invention further provides an oil supply structure of the upper cylinder cover of the compressor, which is processed by the processing method of the oil supply structure of the upper cylinder cover of the compressor provided by the embodiment I.
As shown in fig. 3, the oil supply structure includes a groove, the groove is a single oil groove 50, and the single oil groove 50 is located on the side wall of the inner hole.
The invention further provides an oil supply structure of the upper cylinder cover of the compressor, which is processed by the processing method of the oil supply structure. As shown in fig. 4, the oil supply structure for the upper cylinder cover of the compressor provided by this embodiment includes a double-spiral groove, which is a double-oil groove, and is arranged in parallel on the side wall of the inner hole, and includes a first oil groove 51 and a second oil groove 52, and the double-spiral groove is formed by one-step processing.
Milling process of contrast prior art adopts milling cutter, gets into and mills the oil groove in the upper cylinder cap inner hole, goes up the cylinder cap and processes with certain angular rotation, need process twice when this mode processing double oil groove upper cylinder cap and can accomplish a product, and process the more independent processing that needs of both ends burr, this mode machining efficiency only is 1/2 of the perpendicular mode processing of spiral push broach.
The invention also provides an upper compressor cylinder cover, and an inner hole of the upper compressor cylinder cover comprises the oil supply structure of the upper compressor cylinder cover.
In summary, the above embodiments have described in detail different configurations of the oil supply structure for the upper cylinder cover of the compressor according to the present invention, and it is a matter of course that the above description is only for the description of the preferred embodiment of the present invention and does not limit the scope of the present invention in any way.
Claims (10)
1. A processing method of an oil supply structure of an upper cylinder cover of a compressor, wherein the upper cylinder cover of the compressor comprises an inner hole, and the oil supply structure is positioned on the side wall of the inner hole, and is characterized by comprising the following steps:
s1: fixing the upper cylinder cover of the compressor;
s2: placing a spiral push broach into the inner hole of the upper cylinder cover of the compressor, and vertically and downwards rotating the spiral push broach to push and cut;
s3: and after the machining is finished, the spiral push broach rotates in the opposite direction and vertically rises until the spiral push broach exits from the inner hole.
2. The machining method of an oil supply structure of an upper cylinder cover of a compressor as claimed in claim 1, wherein the step S2 adopts a progressive machining mode of rough cutting, fine cutting and finishing.
3. The processing method of the oil supply structure of the upper cylinder cover of the compressor as claimed in claim 1, wherein the spiral push broach comprises three parts: the spiral push broach comprises a fixed section, a cutting section and a guiding section, wherein the fixed section is positioned at one end of the spiral push broach, the guiding section is positioned at the other end of the spiral push broach, and the cutting section is positioned between the fixed section and the guiding section;
the fixing section is used for fixing the spiral push broach;
the cutting section is used for cutting and machining the oil supply structure of the upper cylinder cover of the compressor;
the guide section is used for guiding the spiral push broach to be concentric with the upper cylinder cover of the compressor.
4. The method as claimed in claim 3, wherein the spiral push-type broach comprises a blade portion, the cutting portion of the spiral push-type broach is a cylindrical structure, and the blade portion surrounds the outer wall of the cylindrical structure in a spiral shape.
5. The method as claimed in claim 4, wherein the depth of the blade part is sequentially increased along the direction from the guide section to the fixing section of the spiral push-type broach.
6. The processing method of the oil supply structure of the upper cylinder cover of the compressor as claimed in claim 5, wherein the spiral push-type broach matches with the shape of the oil supply structure of the upper cylinder cover of the compressor.
7. An oil supply structure of an upper cylinder cover of a compressor, which is characterized in that the oil supply structure of the upper cylinder cover of the compressor is processed by the processing method of the oil supply structure of the upper cylinder cover of the compressor according to any one of claims 1 to 6.
8. The oil supplying structure of the upper cylinder head of the compressor as claimed in claim 7, wherein the oil supplying structure includes at least one groove located at a sidewall of the inner hole.
9. The oil supply structure of the upper cylinder cover of the compressor as claimed in claim 8, wherein the oil supply structure comprises a double-spiral groove, the double-spiral groove is arranged on the side wall of the inner hole in parallel, and the double-spiral groove is formed in one step.
10. An upper compressor head characterized in that said bore of said upper compressor head includes an oil supply structure of the upper compressor head as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283497.7A CN111112718B (en) | 2018-10-31 | 2018-10-31 | Processing method of oil supply structure of upper cylinder cover of compressor and oil supply mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283497.7A CN111112718B (en) | 2018-10-31 | 2018-10-31 | Processing method of oil supply structure of upper cylinder cover of compressor and oil supply mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN111112718A true CN111112718A (en) | 2020-05-08 |
| CN111112718B CN111112718B (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811283497.7A Active CN111112718B (en) | 2018-10-31 | 2018-10-31 | Processing method of oil supply structure of upper cylinder cover of compressor and oil supply mechanism |
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Citations (9)
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|---|---|---|---|---|
| JPS62157713A (en) * | 1985-12-30 | 1987-07-13 | Isuzu Motors Ltd | Push broach |
| CN1159777A (en) * | 1994-09-06 | 1997-09-17 | 梅基诺公司 | Improved integral boring and threading tool and method |
| CN1803385A (en) * | 2005-12-15 | 2006-07-19 | 潍柴动力股份有限公司 | Processing and sealing method for slant oil hole of air-exhausting braking cylinder cover |
| CN201137572Y (en) * | 2007-11-13 | 2008-10-22 | 上海日立电器有限公司 | Rolling rotor type air-conditioner compressor possessing chamfer angle oil tanker |
| CN201209560Y (en) * | 2007-11-13 | 2009-03-18 | 上海日立电器有限公司 | Rolling rotor type air-conditioned compressor with furcation oil groove |
| CN202309404U (en) * | 2011-10-20 | 2012-07-04 | 浙江海宏电器有限公司 | Dedicated push-type broach of pressure-type motor rotor |
| CN203926022U (en) * | 2014-01-14 | 2014-11-05 | 南昌海立电器有限公司 | The oil collecting structure of rotary compressor upper cylinder cover |
| CN107775121A (en) * | 2017-12-07 | 2018-03-09 | 惠州市利祥金属制品有限公司 | A kind of mould tapping machine inclined-plane tapping conversion equipment |
| CN108453286A (en) * | 2018-03-26 | 2018-08-28 | 玉柴联合动力股份有限公司 | A kind of deep hole machining accessory, processing technology and cylinder head oil leak hole processing technology |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62157713A (en) * | 1985-12-30 | 1987-07-13 | Isuzu Motors Ltd | Push broach |
| CN1159777A (en) * | 1994-09-06 | 1997-09-17 | 梅基诺公司 | Improved integral boring and threading tool and method |
| CN1803385A (en) * | 2005-12-15 | 2006-07-19 | 潍柴动力股份有限公司 | Processing and sealing method for slant oil hole of air-exhausting braking cylinder cover |
| CN201137572Y (en) * | 2007-11-13 | 2008-10-22 | 上海日立电器有限公司 | Rolling rotor type air-conditioner compressor possessing chamfer angle oil tanker |
| CN201209560Y (en) * | 2007-11-13 | 2009-03-18 | 上海日立电器有限公司 | Rolling rotor type air-conditioned compressor with furcation oil groove |
| CN202309404U (en) * | 2011-10-20 | 2012-07-04 | 浙江海宏电器有限公司 | Dedicated push-type broach of pressure-type motor rotor |
| CN203926022U (en) * | 2014-01-14 | 2014-11-05 | 南昌海立电器有限公司 | The oil collecting structure of rotary compressor upper cylinder cover |
| CN107775121A (en) * | 2017-12-07 | 2018-03-09 | 惠州市利祥金属制品有限公司 | A kind of mould tapping machine inclined-plane tapping conversion equipment |
| CN108453286A (en) * | 2018-03-26 | 2018-08-28 | 玉柴联合动力股份有限公司 | A kind of deep hole machining accessory, processing technology and cylinder head oil leak hole processing technology |
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| 曹世璞: "《砖瓦机械使用修理技术》", 30 April 2001 * |
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