CN212794023U - Special fixture for cylinder sleeve - Google Patents
Special fixture for cylinder sleeve Download PDFInfo
- Publication number
- CN212794023U CN212794023U CN202021503271.6U CN202021503271U CN212794023U CN 212794023 U CN212794023 U CN 212794023U CN 202021503271 U CN202021503271 U CN 202021503271U CN 212794023 U CN212794023 U CN 212794023U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- center
- positioning mandrel
- cylinder liner
- cylinder
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a cylinder jacket special fixture, include: the drive plate is provided with an end face drive tip; the chuck is arranged on the drive plate; the positioning mandrel comprises a first end and a second end, tip holes are formed in the end faces of the first end and the second end, the second end is a threaded column, and the first end is fixedly arranged in the chuck in a penetrating mode; the first center sleeve is fixedly arranged on the positioning mandrel and is close to the first end; the second tip sleeve is sleeved on the positioning mandrel and is close to the second end; the first nut is arranged on the threaded column of the positioning mandrel; a live center; the end face toggle center and the rotating center respectively abut against center holes on the first end and the second end, and the cylinder sleeve blank is clamped between the first center sleeve and the second center sleeve. This special fixture can keep getting fixed a position in the course of working, also can press from both sides tight cylinder jacket processing, is unlikely to damage cylinder liner structure in the course of working, has simple structure, convenient to detach, advantages such as change easily.
Description
Technical Field
The utility model relates to a cylinder jacket special fixture belongs to the outer terminal surface processing technology field of cylinder jacket.
Background
The engine is the core part of the automobile, the cylinder sleeve is the key component part generated by the engine power, the cylinder sleeve is the source spring of the automobile power output, and the cylinder sleeve is a cylindrical part which forms a working environment together with the cylinder cover and the piston. The piston applies work to the gas through compression, the gas burns and expands to apply work to the piston, the piston is connected with the crank device to achieve power output of the diesel engine, and continuous power output is achieved through cyclic work of four strokes. The inner surface of the cylinder liner is the working surface of the cylinder, so that the cylinder liner is subjected to high temperature and pressure generated by combustion gas and friction generated by relative movement of the piston. When a traditional dry-type cast iron cylinder sleeve is machined on a common lathe, two tops are adopted to prop against two ends of a spring sleeve, and the workpiece is clamped by the two spring sleeves.
SUMMERY OF THE UTILITY MODEL
Based on the foregoing, the utility model provides a cylinder jacket special fixture to the location that exists is inaccurate when solving current cylinder jacket anchor clamps man-hour, the difficult technical problem who guarantees of tolerance.
The technical scheme of the utility model is that: a cylinder liner exclusive clamp, the clamp comprising:
the drive plate is provided with an end face drive tip;
the chuck is arranged on the drive plate;
the positioning mandrel comprises a first end and a second end, wherein tip holes are formed in the end faces of the first end and the second end, the second end is a threaded column, and the first end is fixedly arranged in the chuck in a penetrating mode;
the first center sleeve is fixedly arranged on the positioning mandrel and is close to the first end;
the second tip sleeve is sleeved on the positioning mandrel and is close to the second end;
the first nut is mounted on the threaded column of the positioning mandrel;
a live center;
the end face toggle center and the rotating center respectively abut against the center holes on the first end and the second end, and the first center sleeve and the second center sleeve clamp the cylinder sleeve blank therebetween.
In one example, the collet includes a heart-shaped collet adapted to receive the positioning mandrel and a fastening bolt that passes through a threaded hole in the heart-shaped collet to secure the positioning mandrel to the heart-shaped collet.
In one example, a convex ring is formed on the positioning mandrel in a protruding mode along the radial direction of the positioning mandrel, and the convex ring is suitable for blocking the movement of the second center sleeve.
In one example, the first and second nose sleeves are provided with chamfers matching the inner bore chamfers of the cylinder liner.
In one example, a washer is disposed between the first nut and the second tip sleeve.
In one example, the second thimble is fixedly disposed on the positioning mandrel.
The utility model has the advantages that: the special fixture is characterized in that a positioning mandrel is arranged between two thimbles, a first thimble sleeve and a second thimble sleeve are arranged on the positioning mandrel, a cylinder sleeve blank is clamped and fixed between the first thimble sleeve and the second thimble sleeve during machining, and a tip is shifted from the end face and a rotating tip is abutted against the thimble holes in the first end and the second end respectively for centering and positioning. This special fixture can keep getting fixed a position in the course of working, also can press from both sides tight cylinder jacket processing, is unlikely to damage cylinder liner structure in the course of working, has simple structure, convenient to detach, advantages such as change easily.
Drawings
Fig. 1 is a front view of a special fixture for a cylinder liner according to an embodiment of the present invention;
fig. 2 is a side view of the special fixture for a cylinder liner according to an embodiment of the present invention;
FIG. 3 is a schematic view of the chuck;
description of reference numerals:
the lathe tool comprises a rotary center 1, a first nut 2, a washer 3, a second center sleeve 4, a cylinder sleeve blank 5, a first center sleeve 6, a mandrel 7, a stud 8, a second nut 9, a shifting center on the end face 10, a driving plate 11, a screw hole 12, a heart-shaped chuck 13 and a fastening bolt 14.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, a fixture for cylinder liner according to an embodiment of the present invention includes a driving plate 11, a chuck, a positioning mandrel 7, a first center sleeve 6, a second center sleeve 4, a first nut 2, and a rotating center 1.
The drive plate 11 is provided with an end face toggle centre 10, and the chuck is arranged on the drive plate 11; the positioning mandrel 7 comprises a first end and a second end, tip holes are formed in the end faces of the first end and the second end, the second end is a threaded column, the first end is fixedly arranged in the chuck in a penetrating mode, and the chuck limits rotation of the first end and the second end; the first center sleeve 6 is fixedly arranged on the positioning mandrel 7 and is arranged close to the first end; the second center sleeve 4 is movably sleeved on the positioning mandrel 7 and is arranged close to the second end; the first nut 2 is arranged on a threaded column of the positioning mandrel 7, and the washer 3 is arranged between the first nut 2 and the second center sleeve 4; and the rotating center 1 is used for being matched and abutted in a center hole on the second end. The dial 11 is fixed to the machine tool through a screw hole 12.
During operation, the end face toggle tip 10 and the rotating tip 1 on the machine tool are respectively abutted against the tip holes on the first end and the second end, the gasket 3 and the second tip sleeve 4 can be pushed to move through the screwing matching of the first nut 2 and the threaded column on the positioning mandrel 7, then the cylinder sleeve blank 5 is fixed between the first tip sleeve 6 and the second tip sleeve 4, and then the outer circular surface of the cylinder sleeve is processed through the cutter.
It should be noted that the special fixture aims at the outer circular surface processing of the cylinder sleeve with a rough processed inner hole of the cylinder sleeve.
In the special clamp, the clamp comprises a heart-shaped clamp 13 and a fastening bolt 14, the heart-shaped clamp 13 is suitable for installing the positioning mandrel 7, and the fastening bolt 14 passes through a screw hole 12 on the heart-shaped clamp 13 and can fix the positioning mandrel 7 on the heart-shaped clamp 13. When the positioning mandrel 7 works, the positioning mandrel 7 is firstly arranged in the heart-shaped chuck 13 in a penetrating mode, then the fastening bolt 14 is screwed, the top of the fastening bolt 14 abuts against the positioning mandrel 7, and the positioning mandrel 7 is further fixed on the heart-shaped chuck 13.
In the special fixture, a convex ring is formed on the position, close to the first end, of the positioning mandrel 7 in a protruding mode along the radial direction of the positioning mandrel, and the convex ring is suitable for blocking the second center sleeve 4 from moving. During operation, the second center sleeve 4 pushes the cylinder sleeve to move on the positioning mandrel 7, and when the cylinder sleeve moves to the position of the convex ring, the cylinder sleeve is blocked by the convex ring.
In the special fixture, chamfers matched with inner bore chamfers of the cylinder sleeve blank 5 are arranged on the first center sleeve 6 and the second center sleeve 4. When first apex cover 6 and the fixed cylinder jacket of 4 centre gripping of second apex cover, by the chamfer on the two apex covers respectively with the hole chamfer on the cylinder jacket blank 5 support by the contact, can realize the effective location to cylinder jacket blank 5, and then improve the machining precision.
In the special fixture, the second center sleeve 4 is fixedly arranged on the positioning mandrel 7, and can be fixed on the positioning mandrel 7 through screws, for example.
The working mode of the special clamp for the cylinder sleeve is as follows: firstly, fixing a cylinder sleeve blank 5 on a positioning mandrel 7 through the action of a first nut 2 on the positioning mandrel 7 on a second center sleeve 4, then clamping one end of the positioning mandrel 7 by using a chicken heart chuck 13, fixing the chicken heart chuck 13 on a driving plate 11 by using a second nut 9, centering and positioning the positioning mandrel 7 by using an end face shifting center 10 and a rotating center 1 in the center of the driving plate 11, and then processing. This special fixture can keep getting fixed a position in the course of working, also can press from both sides tight cylinder jacket blank 5 processing, is unlikely to damage cylinder liner structure in the course of working, has simple structure, convenient to detach, advantages such as change easily.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503271.6U CN212794023U (en) | 2020-07-27 | 2020-07-27 | Special fixture for cylinder sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503271.6U CN212794023U (en) | 2020-07-27 | 2020-07-27 | Special fixture for cylinder sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212794023U true CN212794023U (en) | 2021-03-26 |
Family
ID=75104511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021503271.6U Expired - Fee Related CN212794023U (en) | 2020-07-27 | 2020-07-27 | Special fixture for cylinder sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212794023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310732A (en) * | 2022-01-20 | 2022-04-12 | 南京航空航天大学 | Electromagnetic clamp for clamping cylinder sleeve |
-
2020
- 2020-07-27 CN CN202021503271.6U patent/CN212794023U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310732A (en) * | 2022-01-20 | 2022-04-12 | 南京航空航天大学 | Electromagnetic clamp for clamping cylinder sleeve |
| CN114310732B (en) * | 2022-01-20 | 2022-08-30 | 南京航空航天大学 | Electromagnetic clamp for clamping cylinder sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |