CN218837190U - Camshaft correct grinding mistake proofing chuck - Google Patents
Camshaft correct grinding mistake proofing chuck Download PDFInfo
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- CN218837190U CN218837190U CN202221911079.XU CN202221911079U CN218837190U CN 218837190 U CN218837190 U CN 218837190U CN 202221911079 U CN202221911079 U CN 202221911079U CN 218837190 U CN218837190 U CN 218837190U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The application discloses camshaft correct grinding mistake proofing chuck, it belongs to the camshaft correct grinding field. The method comprises the following steps: a chuck base configured to have a through hole through which the cam is inserted; the limiting groove is recessed in the side wall part of the chuck seat and penetrates through the through hole; a mistake-proofing block, configured in a cylindrical shape, provided in the through-hole, abutting against an end portion of the camshaft inserted into the through-hole; the first mistake-proofing hole is formed in the mistake-proofing block, and the axial extending direction of the first mistake-proofing hole is perpendicular to the extending direction of the limiting groove; the positioning pin holes are formed in the surface of the error-proof block and penetrate through the error-proof block; the positioning pin is inserted in the first mistake proofing hole; the end part of the camshaft inserted into the through hole is provided with a second error-proof hole corresponding to the first error-proof hole; the camshaft inserts the through-hole so that first mistake proofing hole and second mistake proofing hole correspond, and the locating pin inserts first mistake proofing hole and second mistake proofing hole to it is spacing to make the camshaft by the circumferencial direction. The beneficial effect of this application lies in providing a camshaft correct grinding mistake proofing chuck convenient to location.
Description
Technical Field
The application relates to a camshaft correct grinding field particularly, relates to a camshaft correct grinding mistake proofing chuck.
Background
The camshaft is a component in the piston engine, its function is to control the opening and closing movements of the valve, the camshaft is usually forged by high-quality carbon steel or alloy steel, can also be cast by alloy cast iron or nodular cast iron, the journal and cam working surface are polished after heat treatment;
for example application number (CN 201921611782.7) a novel grinding machine anchor clamps subassembly, including the anchor clamps connecting plate, the lower extreme of anchor clamps connecting plate is provided with the anchor clamps locating plate, the upper end of anchor clamps connecting plate is provided with the bearing outer lane, the inboard of bearing outer lane is provided with the rotor, the inboard of rotor is provided with the bearing and changes the board, the inside that the bearing changes the board is provided with the work piece mounting groove, one side that the bearing changes the board is provided with the fixed block, one side of fixed block is provided with the fixed plate, be provided with the sliding tray on the fixed plate, the inside of sliding tray is provided with the axis of rotation, the front end of axis of rotation is provided with stop nut, sliding block in the axis of rotation, one side of sliding block is provided with the connecting axle, one side of connecting axle is provided with splint.
In the structure, shaft parts are clamped through the clamping plates; however, the camshaft is provided with a plurality of steps, and the heights of the steps in the circumferential direction are different; during grinding, the grinding track of the grinding disc on the grinding machine is preset by a program, so that the camshaft needs to be positioned before grinding, the camshaft cannot be dislocated during grinding, and the grinding precision is improved.
There is no camshaft finish anti-error chuck that has been determined to be convenient.
Disclosure of Invention
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
In order to solve the technical problems mentioned in the above background section, some embodiments of the present application provide a fine camshaft grinding mistake-proofing collet including: a chuck base configured to have a through hole through which the cam is inserted;
the limiting groove is recessed in the side wall part of the chuck seat and penetrates through the through hole;
an error preventing block, which is configured to be cylindrical, is provided in the through hole, and abuts against an end portion of the camshaft inserted into the through hole;
the first mistake-proofing hole is formed in the mistake-proofing block, and the axial extending direction of the first mistake-proofing hole is perpendicular to the extending direction of the limiting groove;
the positioning pin is inserted in the first mistake-proofing hole;
the end part of the camshaft inserted into the through hole is provided with a second error-proof hole corresponding to the first error-proof hole; the camshaft inserts the through-hole so that first mistake proofing hole and second mistake proofing hole correspond, and the locating pin inserts first mistake proofing hole and second mistake proofing hole to it is spacing to make the camshaft in the circumferencial direction.
Furthermore, the extending direction of the limiting groove is perpendicular to the upper end face of the clamping head seat.
Further, the diameter of the end face of the error-proof block is defined as D;
defining the aperture of the through hole as R;
wherein R-D =1.2mm to 2.1mm.
Furthermore, the upper part of the side wall of the error-proof block protrudes to form an adjusting block, and the adjusting block is inserted into the limiting groove so that the adjusting block slides along the extending direction of the limiting groove.
Further, the lateral wall that the regulating block is close to spacing groove diapire is parallel and level with the lateral wall of mistake proofing piece.
Furthermore, the upper part of the limiting groove is internally concave to form a threaded hole;
the adjusting block is provided with a strip-shaped hole corresponding to the threaded hole, and the hole width of the strip-shaped hole is larger than the aperture of the threaded hole.
Further, the screw passes bar hole and screw hole threaded connection to it is spacing to make the regulating block follow the extending direction of spacing groove in the spacing inslot.
Furthermore, the error-proof block is provided with a positioning hole which penetrates through the error-proof block and is coaxially arranged with the through hole;
the central position of the end part of the camshaft inserted through hole is provided with a positioning block corresponding to the positioning hole, and the positioning block is inserted into the positioning hole so that the camshaft and the positioning hole are coaxially arranged.
Furthermore, a plurality of pin holes are formed in the error-proof block and penetrate through the error-proof block;
a counter bore corresponding to the pin hole is arranged at the center of the end part of the camshaft inserted into the through hole;
wherein the pin passes through the pin hole and is inserted into the counter bore.
Furthermore, a slotted groove is formed in the end face, opposite to the limiting groove, of the chuck base and extends to the inner wall of the through hole; meanwhile, the open slot penetrates along the thickness direction of the chuck base, so that one end of the chuck base provided with the open slot is divided into two parts;
the side wall of the end of the chuck seat provided with the groove is provided with a bolt hole.
The beneficial effect of this application lies in: provides a camshaft accurate grinding mistake-proofing chuck which is particularly convenient to position.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and the description of the exemplary embodiments of the present application are provided for explaining the present application and do not constitute an undue limitation on the present application.
Further, throughout the drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic and that elements and elements are not necessarily drawn to scale.
In the drawings:
FIG. 1 is an overall schematic diagram according to an embodiment of the present application;
fig. 2 is a schematic structural view of a part of the embodiment, mainly showing the structure of a chuck base;
FIG. 3 is a schematic structural diagram of a portion of an embodiment, primarily illustrating the structure of an error-proofing block;
FIG. 4 is a schematic structural view of a portion of the embodiment, mainly illustrating the structure of the chuck base and the error proof block assembly;
reference numerals:
1. a chuck base; 11. a through hole; 12. 14, a limiting groove, 141, a threaded hole;
2. 21, a first error-proof hole; 22. a regulating block; 221. a strip-shaped hole; 23. 24, a positioning hole, a pin hole;
3. 31, a second mistake proofing hole; 32. positioning blocks; 33 counterbore.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-2, a camshaft fine grinding mistake proofing cartridge comprises: the clamp holder comprises a clamp holder seat 1, an error-proof block 2 and a positioning pin.
The chuck base 1 is constructed to have a through hole 11 through which the camshaft is inserted; more specifically, the chuck seat 1 is provided with a slot 12, and the slot 12 extends to the inner wall of the through hole 11; meanwhile, the open slot 12 penetrates through the thickness direction of the chuck base 1, so that a gap is generated at one end of the chuck base 1, which is provided with the open slot 12; the side wall of one end of the chuck seat 1 provided with the open slot 12 is provided with a bolt hole; after the camshaft is inserted into the through hole 11, a bolt is inserted into the bolt hole, and the bolt is tightened to reduce the diameter of the through hole 11 to clamp the camshaft.
The side wall part of the chuck base 1 far away from the camshaft is internally concave to form a limiting groove 14, the limiting groove 14 penetrates through the through hole 11, and the extending direction of the limiting groove 14 is vertical to the upper end face of the chuck base 1; wherein, the upper part of the limit groove 14 is internally concave to form a threaded hole 141.
As shown in fig. 3, the error proof block 2 is configured in a cylindrical shape, partially inserted into the through hole 11, and is fitted with an end portion of the camshaft insertion through hole 11; wherein, the diameter of the end face of the error-proof block 2 is defined as D; the aperture of the through hole 11 is defined as R; wherein R-D =1.2mm to 2.1mm; more specifically, the error-proofing block 2 has a first error-proofing hole 21 formed through the surface thereof, and the axial direction of the first error-proofing hole 21 is perpendicular to the extending direction of the limiting groove 14.
A second error-proof hole corresponding to the first error-proof hole 21 is formed at the end of one end of the camshaft insertion through hole 11; wherein, the upper part of the side wall of the error-proof block 2 is protruded to form an adjusting block 22, and the side wall of the adjusting block 22 close to the bottom wall of the limit groove 14 is flush with the side wall of the error-proof block 2; the adjusting block 22 is inserted into the limiting groove 14 so that the adjusting block 22 slides along the extending direction of the limiting groove 14; thus, the error-proof block 2 can be driven to move in the radial direction of the through hole 11 in the through hole 11, so that the relative positions of the first error-proof hole 21 and the second error-proof hole are adjusted, and the first error-proof hole 21 and the second error-proof hole are correspondingly positioned on the same axis; thus, the positioning function of the camshaft is realized;
wherein, the adjusting block 22 is provided with a strip-shaped hole 221 corresponding to the threaded hole 141, and the hole width of the strip-shaped hole 221 is larger than the aperture of the threaded hole 141; the screw passes through the strip-shaped hole 221 and is in threaded connection with the threaded hole 141, so that the adjusting block 22 is limited in the limiting groove 14 along the extending direction of the limiting groove 14; the positioning pins are inserted into the first and second error-preventing holes 21 and 21 so that the camshaft is restrained in the circumferential direction.
More specifically, the error-proofing block 2 is provided with a positioning hole 23, the positioning hole 23 penetrates through the error-proofing block 2, and the positioning hole 23 is coaxially arranged with the through hole 11; the central position of the end of the camshaft insertion through hole 11 is provided with a positioning block corresponding to the positioning hole 23, and the positioning block is inserted into the positioning hole 23 so that the camshaft and the positioning hole 23 are coaxially arranged.
More specifically, the error-proofing block 2 is provided with a plurality of pin holes 24, and the pin holes 24 penetrate through the error-proofing block 2; the end part of the camshaft inserted into the through hole 11 is provided with a counter bore corresponding to the pin hole 24; wherein the pins are inserted through the pin holes 24 into the counterbores to position the camshaft in the circumferential direction for improved stability.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept as defined above. For example, the above features and (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure are mutually replaced to form the technical solution.
Claims (10)
1. A camshaft finish grinding mistake proofing chuck comprising:
a chuck base configured to have a through hole through which the cam is horizontally inserted;
the method is characterized in that:
the camshaft finish grinding mistake proofing chuck still includes:
the limiting groove is positioned above the through hole, extends downwards and is communicated with the through hole, and the extending direction of the limiting groove is vertical to the central axis of the through hole;
an error preventing block, configured in a cylindrical shape, provided in the through hole, abutting against an end portion of the camshaft insertion through hole;
the first mistake-proofing hole is formed in the mistake-proofing block, and the axial extending direction of the first mistake-proofing hole is perpendicular to the extending direction of the limiting groove;
and the positioning pin is inserted in the first mistake-proofing hole.
2. The camshaft fine grinding mistake proofing chuck of claim 1, wherein:
the extending direction of the limiting groove is perpendicular to the upper end face of the clamping head seat.
3. A camshaft finishing mistake proofing cartridge as defined in claim 2 wherein:
defining the diameter of the end face of the error-proof block as D;
defining the aperture of the through hole as R;
wherein R-D =1.2mm to 2.1mm.
4. A camshaft finishing mistake proofing chuck according to claim 3 wherein:
the upper part of the side wall of the error-proof block protrudes to form an adjusting block, and the adjusting block is inserted into the limiting groove so that the adjusting block slides along the extending direction of the limiting groove.
5. The camshaft fine grinding mistake proofing chuck of claim 4, wherein:
the adjusting block is close to the side wall of the bottom wall of the limiting groove and is flush with the side wall of the mistake proofing block.
6. The camshaft fine grinding mistake proofing chuck of claim 4, wherein:
the upper part of the limiting groove is internally concave to form a threaded hole;
the adjusting block is provided with a strip-shaped hole corresponding to the threaded hole, and the hole width of the strip-shaped hole is larger than the aperture of the threaded hole.
7. The camshaft fine grinding mistake proofing cartridge of claim 6, wherein:
the screw pass the bar hole with screw hole threaded connection, so that the regulating block is in the spacing inslot is followed the extending direction of spacing groove is spacing.
8. The camshaft finishing mistake proofing cartridge of claim 7 wherein:
the error-proof block is provided with a positioning hole, the positioning hole penetrates through the error-proof block, and the positioning hole and the through hole are coaxially arranged;
and a positioning block corresponding to the positioning hole is arranged at the central position of the end part of the camshaft inserted into the through hole, and the positioning block is inserted into the positioning hole so that the camshaft and the positioning hole are coaxially arranged.
9. The camshaft finishing mistake proofing cartridge of claim 7 wherein:
the error-proof block is provided with a plurality of pin holes, and the pin holes penetrate through the error-proof block;
a counter bore corresponding to the pin hole is arranged at the center of the end part of the camshaft inserted into the through hole;
wherein a pin is inserted into the counter bore through the pin hole.
10. The camshaft fine grinding mistake proofing chuck of claim 1, wherein:
an open groove is formed in the end face, opposite to the limiting groove, of the chuck seat, and the open groove extends to the inner wall of the through hole; meanwhile, the open slot penetrates through the thickness direction of the chuck base, so that one end of the chuck base, provided with the open slot, is divided into two parts;
the side wall of the end, provided with the groove, of the chuck base is provided with a bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221911079.XU CN218837190U (en) | 2022-07-20 | 2022-07-20 | Camshaft correct grinding mistake proofing chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221911079.XU CN218837190U (en) | 2022-07-20 | 2022-07-20 | Camshaft correct grinding mistake proofing chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218837190U true CN218837190U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221911079.XU Active CN218837190U (en) | 2022-07-20 | 2022-07-20 | Camshaft correct grinding mistake proofing chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218837190U (en) |
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2022
- 2022-07-20 CN CN202221911079.XU patent/CN218837190U/en active Active
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