CN214444800U - Finish machining tool for cylinder cover production - Google Patents
Finish machining tool for cylinder cover production Download PDFInfo
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- CN214444800U CN214444800U CN202120628582.3U CN202120628582U CN214444800U CN 214444800 U CN214444800 U CN 214444800U CN 202120628582 U CN202120628582 U CN 202120628582U CN 214444800 U CN214444800 U CN 214444800U
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- cylinder cover
- position sleeve
- cylinder
- hole
- finish machining
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Abstract
The utility model provides a finish machining frock is used in cylinder cap production, including the location body, the location body is the cylinder, location body side clamping is on lathe three-jaw chuck, location body right side is provided with the hole frock body, the hole frock body includes position sleeve and nut end cover, the position sleeve sets up becomes integrative structure on location body right side, the position sleeve outside is provided with the external screw thread, the nut end cover is installed in the position sleeve outside through the external screw thread, the position sleeve installs the cylinder cap that remains to be processed in, the cylinder cap that waits to be processed passes through the fixed excircle terminal surface of nut end cover, the nut end cover side has still opened the processing hole, the cylinder cap right side that waits to be processed still installs the terminal surface frock body; this device has realized treating the finish machining of processing cylinder cap to interior circle, excircle and terminal surface through location body, hole frock body and terminal surface frock body, has solved prior art and has directly passed through three-jaw chuck clamping, is difficult to guarantee the geometric tolerances requirement of product, and the cylinder cap excircle of wearing and tearing easily, influences processingquality.
Description
Technical Field
The utility model belongs to the technical field of the cylinder cap production, concretely relates to finish machining frock is used in cylinder cap production.
Background
The engine cylinder cover is one of the most critical parts in the engine, the precision requirement is high, the processing technology is complex, and the processing quality directly influences the overall performance and quality of the engine, so the processing of the engine cylinder cover is particularly important. When the cylinder cover is machined, the cylinder cover can be ensured to have better air tightness in an engine assembly type by meeting high-requirement form and position tolerance.
When a cylinder cover is machined in the prior art, the cylinder cover is usually clamped on a three-jaw chuck of a machine tool by finger joint for end face machining, and because the end face of the cylinder cover is usually provided with a step circle with a smaller diameter, the cylinder cover can not be completely machined once when being directly clamped on the three-jaw chuck for machining an inner hole and an end face, and an outer circle at the other end can be machined only by secondary clamping, so that the form and position tolerance of machining is difficult to guarantee, and the finish machining quality is influenced; and the clamp is directly clamped on the three-jaw chuck, so that the clamping force is large, the excircle of the cylinder cover can be directly abraded, and the machining quality is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses can not once only process completely during finish machining cylinder cap hole and terminal surface that provides to prior art, need the secondary clamping, be difficult to guarantee geometric tolerances, make the problem that processingquality is low, provide following technical scheme:
the utility model provides a finish machining frock is used in cylinder cap production, includes the location body, the location body is the cylinder, location body side clamping is on the three-jaw chuck of lathe, location body right side is provided with the hole frock body, the hole frock body includes position sleeve and nut end cover, the position sleeve sets up at location body right side structure of becoming an organic whole, the position sleeve outside is provided with the external screw thread, the nut end cover passes through the external screw thread and installs in the position sleeve outside, be equipped with in the position sleeve and wait to process the cylinder cap, wait to process the cylinder cap and pass through the fixed excircle terminal surface of nut end cover, the processing hole has still been opened to nut end cover side, wait to process the cylinder cap right side and still install the terminal surface frock body.
Preferably, the end face tool body comprises a pressing plate and a locking bolt, the pressing plate covers a small circular end face on the right side of the cylinder cover to be machined, and the locking bolt penetrates through the pressing plate and the cylinder cover to be machined to be in threaded connection with the right side of the positioning body.
Preferably, the height of the positioning sleeve is smaller than the thickness of a great circle of the cylinder cover to be processed.
Preferably, the outer diameter of the cylinder cover great circle to be processed is matched with the inner diameter of the positioning sleeve.
Preferably, the diameter of the processing hole is smaller than that of the cylinder cover to be processed.
Preferably, the diameter of the pressure plate is smaller than that of the machining hole.
Compared with the prior art, the beneficial effects of the utility model are that: the device realizes the finish machining of the inner circle, the outer circle and the end face of the cylinder cover to be machined through the positioning body, the inner hole tool body and the end face tool body, ensures the high-requirement form and position tolerance of the cylinder cover during machining, avoids the crushing of the cylinder cover on the cylinder cover by a three-jaw chuck, and when the inner hole is machined, the positioning body is clamped on the three-jaw chuck, the cylinder cover to be machined is arranged in the positioning sleeve, a nut end cover is covered and screwed, and after the cylinder cover to be machined is fixed, the main shaft is opened to machine the inner hole and the small circular end face; when a large-circle end face is machined, the pressing plate is fixed on the small-circle end face of the cylinder cover to be machined through the locking bolt, the nut end cover is loosened and taken down, the outer circle and the large-circle end face of the small circle to be machined through the main shaft are opened, the problem that the form and position tolerance deviation is increased due to the fact that the cylinder cover to be machined is loosened and detached is avoided through mutual switching and clamping of the nut end cover and the pressing plate, damage to the outer circle of the cylinder cover to be machined through clamping of the three-jaw chuck is avoided, and machining quality is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the inner hole machining process according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a machined end face according to an embodiment of the present invention;
the embodiment of the utility model provides a mainly contain following element symbol:
the device comprises a positioning body-1, a positioning sleeve-101, a nut end cover-2, a processing hole-201, a cylinder cover to be processed-3, a pressing plate-4 and a locking bolt-5.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1-3, a finish machining frock is used in cylinder cap production, including location body 1, location body 1 is the cylinder, 1 side clamping of location body is on the lathe three-jaw chuck, 1 right side of location body is provided with the hole frock body, the hole frock body includes position sleeve 101 and nut end cover 2, position sleeve 101 sets up at 1 right side of location body structure of becoming integrative, the position sleeve 101 outside is provided with the external screw thread, nut end cover 2 is installed in the position sleeve 101 outside through the external screw thread, the built-in cylinder cap 3 that remains to process of position sleeve 101, it passes through the fixed excircle terminal surface of nut end cover 2 to wait to process cylinder cap 3, the processing hole 201 has still been opened to nut end cover 2 sides, wait to process 3 right sides of cylinder cap and still install the terminal surface frock body.
The end face tool body comprises a pressing plate 4 and a locking bolt 5, the pressing plate 4 covers the small circular end face of the right side of the cylinder cover 3 to be processed, and the locking bolt 5 penetrates through the pressing plate 4 and the cylinder cover 3 to be processed to be connected to the right side of the positioning body 1 in a threaded mode.
The device realizes the finish machining of the inner circle, the outer circle and the end face of the cylinder cover 3 to be machined through the positioning body 1, the inner hole tool body and the end face tool body, ensures the high-requirement form and position tolerance during the machining of the cylinder cover, avoids the crushing of the cylinder cover on the cylinder cover by a three-jaw chuck, and when the inner hole is machined, the positioning body 1 is firstly clamped on the three-jaw chuck, the cylinder cover 3 to be machined is arranged in the positioning sleeve 101, the nut end cover 2 is covered and screwed, and after the cylinder cover 3 to be machined is fixed, the main shaft is opened to machine the inner hole and the small circular end face; when processing the big circular end face, fix clamp plate 4 on waiting to process the small circle terminal surface of cylinder cap 3 through locking bolt 5 earlier, loosen and take off nut end cover 2, open the excircle and the big circular end face of main shaft processing small circle, the problem of form and position tolerance deviation grow that the loose unloading waited to process cylinder cap 3 and produced is avoided to the clamp of switching each other of nut end cover 2 and clamp plate 4, and through the fixed of nut end cover 2 and clamp plate 4, avoided the damage that the excircle of 3 produced of processing cylinder cap was treated to the three-jaw chuck clamping, improve processingquality.
The height of the locating sleeve 101 is smaller than the thickness of a great circle of the cylinder cover 3 to be processed, and the cylinder cover 3 to be processed can be stably clamped.
The outer diameter of the big circle of the cylinder cover 3 to be processed is matched with the inner diameter of the positioning sleeve 101, so that the deviation of the rotating center of the cylinder cover 3 to be processed is avoided.
The diameter of the processing hole 201 is smaller than that of the cylinder cover 3 to be processed; the diameter of clamp plate 4 is less than the diameter of processing hole 201, satisfies and installs earlier clamp plate 4 and dismantle nut end cover 2 again, avoids waiting to process cylinder cap 3 and appears removing the influence form and position tolerance.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a cylinder cap production is with finish machining frock, includes the location body, the location body is the cylinder, location body side clamping is on lathe three-jaw chuck, its characterized in that: the utility model discloses a cylinder cover processing device, including location body, hole frock body, position body right side and nut end cover, the location body right side is provided with the hole frock body, the hole frock body includes position sleeve and nut end cover, the position sleeve sets up and becomes integrative structure on location body right side, the position sleeve outside is provided with the external screw thread, the nut end cover passes through the external screw thread and installs in the position sleeve outside, be equipped with in the position sleeve and wait to process the cylinder cover, wait to process the cylinder cover and pass through the fixed excircle terminal surface of nut end cover, the processing hole has still been opened to nut end cover side, wait to process the cylinder cover right side and still install the terminal surface frock body.
2. The finish machining tool according to claim 1, characterized in that: the end face tool body comprises a pressing plate and a locking bolt, the pressing plate covers a small circular end face on the right side of the cylinder cover to be machined, and the locking bolt penetrates through the pressing plate and is connected to the right side of the positioning body through threads of the cylinder cover to be machined.
3. The finish machining tool according to claim 2, characterized in that: the height of the positioning sleeve is smaller than the thickness of a great circle of the cylinder cover to be processed.
4. The finish machining tool according to claim 3, characterized in that: the outer diameter of the cylinder cover great circle to be processed is matched with the inner diameter of the positioning sleeve.
5. The finish machining tool according to claim 4, characterized in that: the diameter of the processing hole is smaller than that of the cylinder cover to be processed.
6. The finish machining tool according to claim 5, characterized in that: the diameter of the pressing plate is smaller than that of the machining hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120628582.3U CN214444800U (en) | 2021-03-29 | 2021-03-29 | Finish machining tool for cylinder cover production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120628582.3U CN214444800U (en) | 2021-03-29 | 2021-03-29 | Finish machining tool for cylinder cover production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214444800U true CN214444800U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120628582.3U Active CN214444800U (en) | 2021-03-29 | 2021-03-29 | Finish machining tool for cylinder cover production |
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| Country | Link |
|---|---|
| CN (1) | CN214444800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070465A (en) * | 2022-07-07 | 2022-09-20 | 安庆中船动力配套有限公司 | Connecting rod multi-station composite tool capable of improving machining efficiency |
-
2021
- 2021-03-29 CN CN202120628582.3U patent/CN214444800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070465A (en) * | 2022-07-07 | 2022-09-20 | 安庆中船动力配套有限公司 | Connecting rod multi-station composite tool capable of improving machining efficiency |
| CN115070465B (en) * | 2022-07-07 | 2023-09-19 | 安庆中船动力配套有限公司 | Connecting rod multi-station composite tool capable of improving machining efficiency |
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