CN102848023A - Inner cavity chamfering device for freezer compressor piston - Google Patents
Inner cavity chamfering device for freezer compressor piston Download PDFInfo
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- CN102848023A CN102848023A CN2012102827715A CN201210282771A CN102848023A CN 102848023 A CN102848023 A CN 102848023A CN 2012102827715 A CN2012102827715 A CN 2012102827715A CN 201210282771 A CN201210282771 A CN 201210282771A CN 102848023 A CN102848023 A CN 102848023A
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- sliding axle
- bearing
- chamfering
- piston
- cutting tip
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Abstract
The invention discloses an inner cavity chamfering device for a freezer compressor piston. The inner cavity chamfering device comprises a mounting flange, a sliding shaft, a sliding sleeve, a pin shaft, a cutting blade, a sliding shaft offsetting spring, a blade offsetting spring, a bearing and a bearing support block. The sliding sleeve is fixedly connected with the mounting flange, the sliding shaft is mounted in the sliding sleeve and can slide along the axial direction, the sliding shaft is provided with a mounting groove, the cutting blade is mounted in the mounting groove, the rear end of the cutting blade is connected with the sliding shaft through a pin shaft, the front end of the cutting blade is provided with two horn-shaped cutting edges, the rear end bottom of the cutting blade abuts on the blade offsetting spring arranged on the sliding shaft, two ends of the sliding shaft offsetting spring respectively abut on the sliding shaft and the mounting flange, the sliding shaft passes through the bearing and the bearing support block and supports the bearing, and the cutting edge end of the cutting blade is located at the outside of the bearing support block. With the adoption of the device provided by the invention, the inner chamber of the piston can be cut accurately, so that the following assembly is facilitated, and the stability of the compressor performance is guaranteed.
Description
Technical field
The present invention relates to a kind of device that the parts-piston of freezer compressor is carried out chamfer machining.
Technical background
Piston is the vital part of freezer compressor, bears moving back and forth to change volume of cylinder and realize air-breathing-exhaust " acting " in cylinder-bore of task.In the processing technology of piston, the piston cavity chamfering is the weak link that technique is carried out always.Shown in Figure 1ly be existing a kind of piston 10, the centre of piston pin hole 1 is with 0.3*45 ° inner chamber chamfering 2.Because the piston cavity width only has 10mm～14.8mm, thereby piston cavity chamfering 2 all adopts ball cutter 3 to carry out the processing technology (as shown in Figure 2) of artificial chamfering operation at present, piston 10 is moved to piston pin hole to align with the bulb of ball cutter 3, hand-held piston 10 swings up and down during chamfering, can exist like this operability not good in the operating process, the part chamfering is inhomogeneous, partial portion is without problems such as chamferings, it is tight that the burr at inner chamber chamfering place can cause assembling feel in rear road assembling process, residual burr even might affect the cleannes of complete machine causes the stuck fault of plucking of compressor.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of inner chamber facing attachment that can accurately cut out the piston for refrigerator compressor of piston cavity chamfering.
For solving the problems of the technologies described above, the inner chamber facing attachment of a kind of piston for refrigerator compressor of the present invention comprises mounting flange, sliding axle, slip cap, bearing pin, cutting tip, sliding axle back-moving spring, blade back-moving spring, bearing and Bearing support piece, described slip cap and described mounting flange are fixedly linked, described sliding axle is installed in the described slip cap and can slides vertically, and described sliding axle can not be rotated by relatively described slip cap; Described sliding axle is provided with mounting groove, described cutting tip is located in the described mounting groove, the rear end of described cutting tip links to each other with described sliding axle by described bearing pin, the front end of described cutting tip is provided with two " eight " shape cutting edges, the bottom, rear end of described cutting tip is against on the described blade back-moving spring of being located on the described sliding axle, the two ends of described sliding axle back-moving spring are against respectively on described sliding axle and the described mounting flange, described sliding axle passes described bearing and Bearing support piece and is bearing on the described bearing, and the cutting edge end of described cutting tip is positioned at the outside of described Bearing support piece.
The inner chamber facing attachment of above-mentioned a kind of piston for refrigerator compressor, it also comprises the chamfering angle size adjustment screw, described chamfering angle size adjustment screw is located in the hole set on described cutting tip upper rear end, the described slip cap.
The inner chamber facing attachment of above-mentioned a kind of piston for refrigerator compressor, it comprises that also the chamfering adjusting is by piece and clamp nut, described sliding axle passes described chamfering and regulates by piece, described chamfering is regulated by piece and is positioned at the described bearing outside, described chamfering is regulated and is located in the set through hole of described Bearing support piece by piece, and described clamp nut is connected to described chamfering and regulates the outside of leaning on piece.
The inner chamber facing attachment of above-mentioned a kind of piston for refrigerator compressor, described sliding axle links to each other with the syndeton of slip cap by key-keyway.
The present invention is owing to having adopted above-mentioned technical pattern, the cutting edge of cutting tip can design according to the piston cavity width dimensions, during use piston pin hole is inserted in the facing attachment sliding axle, under rotational motion mechanism drives, sliding axle and cutting tip rotate, and inner chamber is carried out chamfer machining.During normality, under the effect of back-moving spring, cutting tip is located in the mounting groove, and in process, piston is inserted in sliding axle impeller-hub breasting piece, depresses cutting tip one end and makes it center on the bearing pin rotation, the cutting edge of cutting tip stretches out, and finishes simultaneously the chamfer machining of piston cavity both sides.Thereby, utilize apparatus of the present invention can accurately cut out the inner chamber chamfering of piston, be conducive to the assembling of rear road, and guaranteed the stability of compressor performance.Utilize chamfering to regulate by piece and chamfering angle size adjustment screw, can adjust uniformity and the chamfering angle size of inside and outside both sides chamfering respectively.
Description of drawings
Fig. 1 is the structural representation of the inner chamber chamfering of piston;
Fig. 2 is existing piston cavity chamfer machining process schematic representation;
Fig. 3 is the structural representation of piston cavity facing attachment of the present invention;
Fig. 4 is the structural representation of sliding axle;
Fig. 5 is that A-A among Fig. 4 is to cross-sectional view;
Fig. 6 is that B-B among Fig. 5 is to cross-sectional view.
The specific embodiment
As shown in Figure 3, piston cavity facing attachment of the present invention comprises mounting flange 11, sliding axle 12, slip cap 13, bearing pin 14, cutting tip 15, sliding axle back-moving spring 16, blade back-moving spring 17, bearing 18, Bearing support piece 19, chamfering angle size adjustment screw 20, chamfering is regulated by piece 21 and clamp nut 22, slip cap 13 is fixedly linked by screw 23 with mounting flange 11, sliding axle 12 is installed in the slip cap 13, sliding axle 12 can endwisely slip along inner chamber, sliding axle 12 links to each other with the syndeton of slip cap 13 by key-keyway, has limited sliding axle 12 and has rotated with respect to slip cap 13.Please consult simultaneously Fig. 4, Fig. 5 and Fig. 6, sliding axle 12 is provided with mounting groove 24, cutting tip 15 is located in the mounting groove 24, the rear end of cutting tip 15 links to each other with sliding axle 12 by bearing pin 14, pin-and-hole 26, the front end of cutting tip 15 is provided with two " eight " shape cutting edges 25, can cut simultaneously the Hole chamfering of two end faces of piston pin hole.Blade back-moving spring 17 is located in the cavity 27 set on sliding axle 12 inwalls, and bottom, the rear end of cutting tip 15 is against on the blade back-moving spring 17, and under the promotion of blade back-moving spring 17, cutting tip 15 is around bearing pin 14 spinning reductions.Under rotational motion mechanism drove, slip cap 13 can drive cutting tip 15 and rotate.The two ends of sliding axle back-moving spring 16 are against respectively on sliding axle 12 and the mounting flange 11, and sliding axle 12 can eject outward under the effect of back-moving spring 16 and reset.Chamfering is regulated by piece 21 and is located in the set through hole of Bearing support piece 19, sliding axle 12 passes bearing 18, Bearing support piece 19 and chamfering adjusting by piece 21 and is bearing on the bearing 18, chamfering is regulated the outside that is positioned at bearing 18 by piece 21, and the cutting edge end of cutting tip 15 is positioned at Bearing support piece 19 and chamfering is regulated the outside of leaning on piece 21.Clamp nut 22 is connected to chamfering and regulates the outside of leaning on piece 21.Chamfering angle size adjustment screw 20 is located in the hole set on the upper rear end, slip cap 13 of cutting tip 15.During installation, by bearing holder (housing, cover) anti-rotation holder 28 bearing 18, Bearing support piece 19 are fixed on the work top 29.
The method of operating of facing attachment of the present invention is as follows: 1, piston pin hole is inserted in the sliding axle, promotes chamfering and regulate by piece on earth, chamfering is finished, and withdraws from piston; 2, visual inspection piston cavity both sides chamfering angle size if the both sides chamfering angle size differs greatly, then unscrews clamp nut, carries out following adjusting: chamfering is regulated turning clockwise by piece, can tune up outside chamfering; The chamfering adjusting is rotated counterclockwise by piece, and then adjustable large inboard chamfering is tightened clamp nut after adjusting is finished again.3, both sides chamfering uniformity is transferred to better after, the whole chamfering angle size of visual inspection is adjusted the whole size of chamfering such as need, then: be screwed into the chamfering angle size adjustment screw and can increase the piston cavity chamfering again; The chamfering angle size adjustment screw of back-outing then can reduce the piston cavity chamfering.
Claims (4)
1. the inner chamber facing attachment of a piston for refrigerator compressor, it is characterized in that, it comprises mounting flange, sliding axle, slip cap, bearing pin, cutting tip, sliding axle back-moving spring, blade back-moving spring, bearing and Bearing support piece, described slip cap and described mounting flange are fixedly linked, described sliding axle is installed in the described slip cap and can slides vertically, and described sliding axle can not be rotated by relatively described slip cap; Described sliding axle is provided with mounting groove, described cutting tip is located in the described mounting groove, the rear end of described cutting tip links to each other with described sliding axle by described bearing pin, the front end of described cutting tip is provided with two " eight " shape cutting edges, the bottom, rear end of described cutting tip is against on the described blade back-moving spring of being located on the described sliding axle, the two ends of described sliding axle back-moving spring are against respectively on described sliding axle and the described mounting flange, described sliding axle passes described bearing and Bearing support piece and is bearing on the described bearing, and the cutting edge end of described cutting tip is positioned at the outside of described Bearing support piece.
2. the inner chamber facing attachment of a kind of piston for refrigerator compressor as claimed in claim 1 is characterized in that, it also comprises the chamfering angle size adjustment screw, and described chamfering angle size adjustment screw is located in the hole set on described cutting tip upper rear end, the described slip cap.
3. the inner chamber facing attachment of a kind of piston for refrigerator compressor as claimed in claim 1 or 2, it is characterized in that, it comprises that also the chamfering adjusting is by piece and clamp nut, described sliding axle passes described chamfering and regulates by piece, described chamfering is regulated by piece and is positioned at the described bearing outside, described chamfering is regulated and is located in the set through hole of described Bearing support piece by piece, and described clamp nut is connected to described chamfering and regulates the outside of leaning on piece.
4. the inner chamber facing attachment of a kind of piston for refrigerator compressor as claimed in claim 1 or 2 is characterized in that, described sliding axle links to each other with the syndeton of slip cap by key-keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282771.5A CN102848023B (en) | 2012-08-10 | 2012-08-10 | Inner cavity chamfering device for freezer compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282771.5A CN102848023B (en) | 2012-08-10 | 2012-08-10 | Inner cavity chamfering device for freezer compressor piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102848023A true CN102848023A (en) | 2013-01-02 |
| CN102848023B CN102848023B (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210282771.5A Active CN102848023B (en) | 2012-08-10 | 2012-08-10 | Inner cavity chamfering device for freezer compressor piston |
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| CN (1) | CN102848023B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112127A (en) * | 2016-08-22 | 2016-11-16 | 盐城市宏宇造纸机械有限公司 | A kind of chamfering device and using method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5181810A (en) * | 1988-11-23 | 1993-01-26 | Heinrich Heule | Deburring tool with cutting blade |
| JP2002018641A (en) * | 2000-07-06 | 2002-01-22 | Omi Kogyo Co Ltd | Chamfering cutter |
| KR100596096B1 (en) * | 2006-04-11 | 2006-07-03 | 삼우정공 주식회사 | Cutting tool and forming method of rounding at corner of radiating hole of piston pin for ship engine |
| CN201136058Y (en) * | 2007-12-28 | 2008-10-22 | 上海乾通汽车附件有限公司 | Chamfering machine for producing piston pins for automobile |
| JP2010260131A (en) * | 2009-05-07 | 2010-11-18 | Takenori Tominaga | Handy type chamfering device |
| CN201815666U (en) * | 2010-06-10 | 2011-05-04 | 叶可地 | Automatic double-end plane chamfering machine |
| CN202263950U (en) * | 2011-09-14 | 2012-06-06 | 洛阳德平机械设备有限公司 | Axial adjustment mechanisms for toolbars of pipe beveling machine |
| CN202741852U (en) * | 2012-08-10 | 2013-02-20 | 加西贝拉压缩机有限公司 | Inner cavity chamfering device for refrigerator compressor piston |
-
2012
- 2012-08-10 CN CN201210282771.5A patent/CN102848023B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5181810A (en) * | 1988-11-23 | 1993-01-26 | Heinrich Heule | Deburring tool with cutting blade |
| JP2002018641A (en) * | 2000-07-06 | 2002-01-22 | Omi Kogyo Co Ltd | Chamfering cutter |
| KR100596096B1 (en) * | 2006-04-11 | 2006-07-03 | 삼우정공 주식회사 | Cutting tool and forming method of rounding at corner of radiating hole of piston pin for ship engine |
| CN201136058Y (en) * | 2007-12-28 | 2008-10-22 | 上海乾通汽车附件有限公司 | Chamfering machine for producing piston pins for automobile |
| JP2010260131A (en) * | 2009-05-07 | 2010-11-18 | Takenori Tominaga | Handy type chamfering device |
| CN201815666U (en) * | 2010-06-10 | 2011-05-04 | 叶可地 | Automatic double-end plane chamfering machine |
| CN202263950U (en) * | 2011-09-14 | 2012-06-06 | 洛阳德平机械设备有限公司 | Axial adjustment mechanisms for toolbars of pipe beveling machine |
| CN202741852U (en) * | 2012-08-10 | 2013-02-20 | 加西贝拉压缩机有限公司 | Inner cavity chamfering device for refrigerator compressor piston |
Non-Patent Citations (3)
| Title |
|---|
| 《内燃机配件》 19890228 吴安民等 活塞销孔"镗孔、倒角、车档圈槽"专机简介 第55-58页 1-4 , 第2期 * |
| 刘耀东等: "解决206L活塞气门坑倒角加工难题", 《内燃机与配件》, no. 5, 31 May 2011 (2011-05-31), pages 28 - 29 * |
| 吴安民等: "活塞销孔"镗孔、倒角、车档圈槽"专机简介", 《内燃机配件》, no. 2, 28 February 1989 (1989-02-28), pages 55 - 58 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112127A (en) * | 2016-08-22 | 2016-11-16 | 盐城市宏宇造纸机械有限公司 | A kind of chamfering device and using method thereof |
| CN106112127B (en) * | 2016-08-22 | 2018-04-06 | 盐城市宏宇造纸机械有限公司 | A kind of chamfering device and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102848023B (en) | 2014-06-25 |
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