CN202741852U - Inner cavity chamfering device for refrigerator compressor piston - Google Patents
Inner cavity chamfering device for refrigerator compressor piston Download PDFInfo
- Publication number
- CN202741852U CN202741852U CN 201220393982 CN201220393982U CN202741852U CN 202741852 U CN202741852 U CN 202741852U CN 201220393982 CN201220393982 CN 201220393982 CN 201220393982 U CN201220393982 U CN 201220393982U CN 202741852 U CN202741852 U CN 202741852U
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- CN
- China
- Prior art keywords
- sliding axle
- bearing
- chamfering
- piston
- cutting tip
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an inner cavity chamfering device for a refrigerator compressor piston, which comprises a mounting flange, a sliding shaft, a sliding sleeve, a hinge pin, a cutting blade, a sliding shaft reset spring, a blade reset spring, a bearing and a bearing leaning block, wherein the sliding sleeve is fixedly connected with the mounting flange; the sliding shaft is installed in the sliding sleeve and can slide along the axial direction; the sliding shaft is provided with a mounting slot; the cutting blade is arranged in the mounting slot; the rear end of the cutting blade is connected with the sliding shaft by the hinge pin; the front end of the cutting blade is provided with two splayed-shaped cutting edges; the bottom of the rear end of the cutting blade is abutted on the blade reset spring on the sliding shaft; two ends of the sliding shaft reset spring are respectively abutted on the sliding shaft and the mounting flange; the sliding shaft passes through the bearing and the bearing leaning block and is supported on the bearing; and the cutting edge end of the cutting blade is positioned on the outer side of the bearing leaning block. According to the inner cavity chamfering device disclosed by the utility model, the inner cavity chamfer of a piston can be precisely cut, rear-path assembling can be favorably carried out, and the compressor performance stability can be guaranteed.
Description
Technical field
The utility model 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 in the utility model 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 utility model 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 utility model is owing to 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 the utility model device 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 the utility model piston cavity facing attachment;
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, the utility model piston cavity facing attachment 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 the utility model facing attachment 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 |
|---|---|---|---|
| CN 201220393982 CN202741852U (en) | 2012-08-10 | 2012-08-10 | Inner cavity chamfering device for refrigerator compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393982 CN202741852U (en) | 2012-08-10 | 2012-08-10 | Inner cavity chamfering device for refrigerator compressor piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202741852U true CN202741852U (en) | 2013-02-20 |
Family
ID=47701300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220393982 Withdrawn - After Issue CN202741852U (en) | 2012-08-10 | 2012-08-10 | Inner cavity chamfering device for refrigerator compressor piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202741852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848023A (en) * | 2012-08-10 | 2013-01-02 | 加西贝拉压缩机有限公司 | Inner cavity chamfering device for freezer compressor piston |
-
2012
- 2012-08-10 CN CN 201220393982 patent/CN202741852U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848023A (en) * | 2012-08-10 | 2013-01-02 | 加西贝拉压缩机有限公司 | Inner cavity chamfering device for freezer compressor piston |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20140625 |
|
| RGAV | Abandon patent right to avoid regrant |