CN215825107U - Cylindrical grinding clamp for cam shaft driving conical surface - Google Patents
Cylindrical grinding clamp for cam shaft driving conical surface Download PDFInfo
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- CN215825107U CN215825107U CN202122034429.0U CN202122034429U CN215825107U CN 215825107 U CN215825107 U CN 215825107U CN 202122034429 U CN202122034429 U CN 202122034429U CN 215825107 U CN215825107 U CN 215825107U
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- clamp body
- flat key
- conical surface
- clamp
- ejector block
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Abstract
The utility model discloses an excircle grinding clamp of a camshaft driving conical surface, which consists of a clamp body (5), a guide post (2) and an ejector block (7), wherein the clamp body (5) is arranged into a hollow cylinder, three screw holes are arranged at equal angles on the clamp body (5), a groove is arranged at any radian of the inner circle of the clamp body (5), a flat key (6) is arranged in the groove, a vertical notch is arranged on the outer circle corresponding to the side surface of the flat key (6), screw holes are arranged on the surface of the notch corresponding to the side surface of the flat key (6), the ejector block (7) is also arranged into a hollow cylinder, three through holes at equal angles with the clamp body (5) are arranged on the ejector block (7), the other end of the guide post (2) is inserted into the through hole on the ejector block (7) and penetrates through a spring (3) to be arranged in the screw hole on the clamp body (5), so that the clamp body (5) and the ejector block (7) are connected into a whole, withstand kicking block (7) through the lathe top, kicking block (7) transmit thrust for anchor clamps body (5) through compression spring (3), make anchor clamps body (5) not deviate from the work piece conical surface, flat key (6) and work piece keyway cooperation on anchor clamps body (5), the rotatory grinding of work piece under driving lever (4) drive has realized the requirement of the fine grinding excircle of drive conical surface.
Description
Technical Field
The utility model relates to an external grinding clamp for a cam shaft driving conical surface.
Background
The heart-shaped chuck and the band rod that present camshaft cylindrical grinding anchor clamps are used commonly, the tight excircle of heart-shaped chuck clamp need be the cylinder, if the tight excircle of clamp is the conical surface, then can't fix and break away from, and the band rod stirs cam surface, because of camshaft processing needs, can receive the band rod to interfere when the axial measurement appearance is measured and is used, consequently the mode of using the band rod just can not be feasible.
Disclosure of Invention
The utility model aims to provide an external grinding clamp for a cam shaft driving conical surface, overcomes the defects of the prior art, meets the requirement of clamping the conical surface and meets the processing conditions of the cam shaft.
In order to achieve the purpose, the cylindrical grinding clamp for the camshaft driving conical surface comprises a clamp body, a guide post and a top block, wherein the clamp body is arranged to be a hollow cylinder, three screw holes are arranged at equal angles on the clamp body, a groove is arranged at any radian of the inner circle of the clamp body, a flat key is arranged in the groove, a vertical notch is arranged on the outer circle corresponding to the side surface of the flat key, a screw hole is arranged on the surface of the notch corresponding to the side surface of the flat key, a deflector rod screw hole or a deflector rod fixing hole is arranged on any side of the outer circle of the clamp body, the top block is also arranged to be a hollow cylinder, three through holes at equal angles with the clamp body are arranged on the top block, one end of the guide post is provided with a nut, the other end of the guide post is inserted into the through hole on the top block and penetrates through a spring to be arranged in the screw hole on the clamp body, so that the clamp body and the top block are connected into a whole, the clamp body and the top block are tensioned through the spring, and a screw cap on the guide post limits the maximum moving range of the top block, the flat key is fixed with the fixture body through the set screw, the flat key plays a role in angular positioning, the shifting rod is fixedly connected with a shifting rod screw hole in the side face of the fixture body, and the hollow aperture of the top block is larger than that of the fixture body.
Compared with the prior art, the external grinding fixture for the camshaft driving conical surface has the following excellent effects.
The utility model discloses an external grinding clamp for a camshaft driving conical surface, which adopts an integrated design, wherein a top block is propped against a top of a machine tool, the top block transmits thrust to a clamp body through a spring, so that the clamp body is not separated from a workpiece conical surface, a flat key on the clamp is matched with a workpiece key groove, the workpiece is driven by a deflector rod to rotate and grind, and the requirement of driving the conical surface to finish the external circle is met.
Screw cap on the guide pillar has restricted kicking block maximum movement scope, and holding screw is fixed flat key and anchor clamps body, and the flat key plays the effect of angular positioning, and driving lever and anchor clamps body side driving lever screw fixed connection promote the driving lever, and the anchor clamps body is rotatory, and the anchor clamps body area camshaft is rotatory, realizes the cylindrical grinder processing task.
Drawings
FIG. 1 is a schematic view of an outer grinding fixture for a camshaft driving cone according to the present invention.
Wherein: 1. the clamp comprises a set screw, a guide post, a spring, a deflector rod, a clamp body, a flat key and a top block, wherein the set screw is 2, the guide post is 3, the deflector rod is 4, the clamp body is 5, and the flat key is 6 and the top block is 7.
Detailed Description
The novel fixture for cylindrical grinding of the cam shaft driving conical surface is further described in detail with reference to the accompanying drawings.
The cylindrical grinding clamp for the camshaft driving conical surface shown in figure 1 comprises a clamp body 5, a guide pillar 2 and a top block 7, wherein the clamp body 5 is arranged to be a hollow cylinder, three screw holes are arranged at equal angles on the clamp body 5, a groove is arranged at any radian of the inner circle of the clamp body 5, a flat key 6 is arranged in the groove, a vertical notch is arranged on the outer circle corresponding to the side surface of the flat key 6, a screw hole is arranged on the surface of the notch corresponding to the side surface of the flat key 6, a deflector rod screw hole or a deflector rod fixing hole is arranged at any side of the outer circle of the clamp body 5, the top block 7 is also arranged to be a hollow cylinder, three through holes at equal angles with the clamp body 5 are arranged on the top block 7, a nut is arranged at one end of the guide pillar 2, the other end of the guide pillar 2 is inserted into the through hole on the top block 7 and penetrates through a spring 3, and is arranged in the screw hole on the clamp body 5, so that the clamp body 5 and the top block 7 are connected into a whole, and the clamp body 5 and the top block 7 are tensioned through the spring 3, the screw cap on the guide pillar 2 limits the maximum moving range of the top block, the flat key 6 is fixed with the clamp body 5 through the set screw 1, the flat key 6 has the function of angular positioning, the driving lever 4 is fixedly connected with the driving lever screw hole on the side surface of the clamp body 5, and the hollow aperture of the top block 7 is larger than that of the clamp body 5.
Butt joint the front end conical surface of the camshaft with the fixture body 5, ensure that the flat key 6 inserts in the camshaft keyway simultaneously, the fixture body hole is processed into the conical surface of the angle close to the camshaft, prevent the camshaft and fixture body from producing relative motion through the flat key 6 and fixture body effect, the head end centre bore and the butt joint of the headstock top, the tailstock top tightly pushes up the tail end centre bore, the kicking block 7 bulldozes spring 3 by the top effect of headstock, transmit thrust for the fixture body 5 after the spring 3 compresses, make the fixture body 5 paste tightly the conical surface of the camshaft and do not break away from, after starting the lathe, the lathe headstock band pole drives the driving lever 4 and makes the fixture body 5 rotate and drive the camshaft to rotate, after finishing grinding, the lathe headstock stops rotating, retreat the tailstock top, take off the fixture.
Claims (2)
1. An excircle grinding clamp of a camshaft driving conical surface is composed of a clamp body (5), a guide post (2) and an ejector block (7), and is characterized in that the clamp body (5) is arranged to be a hollow cylinder, three screw holes are arranged at equal angles on the clamp body (5), a groove is arranged at any radian of the inner circle of the clamp body (5), a flat key (6) is arranged in the groove, a vertical notch is arranged on the excircle corresponding to the side surface of the flat key (6), a screw hole is arranged on the surface of the notch corresponding to the side surface of the flat key (6), a set screw (1) is arranged in the screw hole to fix the flat key (6) on the clamp body (5), a deflector rod screw hole or a deflector rod fixing hole is arranged at any side of the excircle of the clamp body (5), the ejector block (7) is also arranged to be a hollow cylinder, three through holes at equal angles on the ejector block (7) and the clamp body (5) are arranged, one end of the guide post (2) is provided with a nut, the other end of the guide post (2) is inserted into a through hole in the ejector block (7), penetrates through the spring (3) and is arranged in a screw hole in the clamp body (5), so that the clamp body (5) and the ejector block (7) are connected into a whole, and the deflector rod (4) is fixedly connected with a deflector rod screw hole in the side face of the clamp body (5).
2. The external grinding fixture for the driving conical surface of the camshaft according to claim 1, wherein the hollow bore diameter of the top block (7) is larger than that of the fixture body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122034429.0U CN215825107U (en) | 2021-08-26 | 2021-08-26 | Cylindrical grinding clamp for cam shaft driving conical surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122034429.0U CN215825107U (en) | 2021-08-26 | 2021-08-26 | Cylindrical grinding clamp for cam shaft driving conical surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215825107U true CN215825107U (en) | 2022-02-15 |
Family
ID=80197677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122034429.0U Active CN215825107U (en) | 2021-08-26 | 2021-08-26 | Cylindrical grinding clamp for cam shaft driving conical surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215825107U (en) |
-
2021
- 2021-08-26 CN CN202122034429.0U patent/CN215825107U/en active Active
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