CN201889695U - Constant-phase device of camshaft grinding machine - Google Patents
Constant-phase device of camshaft grinding machine Download PDFInfo
- Publication number
- CN201889695U CN201889695U CN2010206210091U CN201020621009U CN201889695U CN 201889695 U CN201889695 U CN 201889695U CN 2010206210091 U CN2010206210091 U CN 2010206210091U CN 201020621009 U CN201020621009 U CN 201020621009U CN 201889695 U CN201889695 U CN 201889695U
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- grinding machine
- camshaft
- bolt
- circular groove
- camshaft grinding
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Abstract
The utility model relates to a constant-phase device of a camshaft grinding machine. The constant-phase device comprises a fixture body which is fixed on a drive plate of the camshaft grinding machine, wherein the fixture body is provided with a circular groove which is matched with the end part of a cam shaft workpiece; the axis of the circular groove is superposed with the axial central line of the drive plate; the peripheral wall of the circular groove is provided with a plurality of bolts; and a pin which extends into the circular groove is fixed on the fixture body. Before the camshaft grinding machine runs, one end of the camshaft workpiece is put into the circular groove of the constant-phase device of the camshaft grinding machine, the pin is inserted into a constant-phase circular groove formed at one end of cam shaft workpiece, and the camshaft workpiece is fixed on the constant-phase device through the bolts, so that the initial phase of a cam of the camshaft workpiece can be accurately aligned with a certain point or a certain line on the drive plate. The constant-phase device of the camshaft grinding machine has a simple structure and a low cost, is easy to assemble, and is suitable for wide popularization.
Description
Technical field
The utility model relates to a kind of device that is used for the grinding on-circular cross-section, particularly relates to a kind of phase bit device of camshaft grinding machine.
Background technology
Camshaft is a very important part in the engine, and its cam face directly influences the performance of engine.In the prior art, the Precision Machining of cam contour uses the Numerical Control Cam travelling wheelhead roll grinder to finish usually.
The Numerical Control Cam travelling wheelhead roll grinder comprises numerical control device, lathe bed and grinding carriage, and installment work platform on the lathe bed is installed the head of a bed and the tailstock that is used for fixing workpiece on the workbench.Wherein, grinding carriage is driven by ball screw by an AC servo motor, can move forward and backward; The dial that is installed on the head of a bed is rotated by another AC servo machinery driving; Workbench is driven by ball screw by the 3rd AC servo motor can make move left and right.
When this Numerical Control Cam travelling wheelhead roll grinder is worked, camshaft one end to be processed is fixed on the dial, the other end withstands by being installed on the top of tailstock, dial drives the camshaft rotation, general numerical control system and special-purpose software with lathe carry out three AC servo motors digital control, make the rotation of dial and vertical advance and retreat interlock of grinding carriage, utilize rotate on the grinding carriage emery wheel realizing the plunge grinding processing of cam profile shape, the move left and right by workbench is to realize the processing of several cam profile shape on the camshaft.
In the course of the work, vertical advance and retreat of the rotation of dial and grinding carriage are by the programme-control that weaves, so before processing, when the camshaft geometrical clamp is loaded on dial, the initial phase of the cam of camshaft must be accurately with dial certain a bit or a certain line align---phase bit could guarantee the cam contour that the processes precision that meets the requirements like this.
The phase bit of the existing cam of camshaft relies on special hydraulic positioning mechanism mostly, this detent mechanism structure is comparatively complicated, the correlated parts machining accuracy is higher, install loaded down with trivial details, have a strong impact on the raising of Numerical Control Cam travelling wheelhead roll grinder production efficiency, this detent mechanism needs to increase supporting hydraulic system in addition simultaneously, and cost is higher.
The utility model content
The technical problem that the utility model solves provide a kind of simple in structure, be easy to assemble, the phase bit device of camshaft grinding machine with low cost.
The phase bit device of camshaft grinding machine of the present utility model, comprise the clamp body on the dial that is fixed in described camshaft grinding machine, have the circular groove that matches with the end of camshaft workpiece on the described clamp body, the axis of described circular groove overlaps with the longitudinal center line of described dial, the perisporium of described circular groove is provided with a plurality of bolts, is fixed with the pin that stretches into described circular groove inside on the described clamp body.
The phase bit device of camshaft grinding machine of the present utility model wherein, has aperture on the described clamp body of described pin below, and described aperture communicates with described circular groove.
The phase bit device of camshaft grinding machine of the present utility model wherein, is respectively equipped with first bolt, second bolt and the 3rd bolt on the perisporium of described circular groove.
The phase bit device of camshaft grinding machine of the present utility model, wherein, described first bolt is positioned under the described circular groove.
The phase bit device of camshaft grinding machine of the present utility model, wherein, described second bolt is positioned at the upper left side of described first bolt, and described the 3rd bolt is positioned at the upper right side of described first bolt.
The phase bit device of camshaft grinding machine of the present utility model, wherein, described second bolt, described the 3rd bolt become 60 degree angles respectively with the vertical axis of described clamp body.
The phase bit device of camshaft grinding machine of the present utility model wherein, also comprises shifting block, and described clamp body is fixed on the dial of described camshaft grinding machine by described shifting block.
The phase bit device of camshaft grinding machine of the present utility model, wherein, described shifting block by bolting on described dial, the top of described clamp body has groove, described shifting block is positioned at described inside grooves center, and the right wall of the left wall of described groove, described groove is fixedlyed connected with described shifting block by bolt respectively.
The phase bit device of camshaft grinding machine of the present utility model, wherein, the center of circle of described pin end face is positioned on the vertical axis of described dial.
Before camshaft grinding machine work, one end of camshaft workpiece is put into the circular groove of the phase bit device of camshaft grinding machine of the present utility model, pin is inserted the phase bit circular groove that is arranged in camshaft workpiece one end, by a plurality of bolts the camshaft workpiece is fixed on the phase bit device, thus the cam initial phase of camshaft workpiece can with dial on certain a bit or a certain line accurately align.The phase bit apparatus structure of camshaft grinding machine of the present utility model is simple, is easy to assembling, and is with low cost, be suitable for promoting on a large scale.
Description of drawings
Fig. 1 is the stereogram of the structural representation of the camshaft grinding machine of installation phase bit device of the present utility model;
Fig. 2 is the front view of the structural representation of the camshaft grinding machine of installation phase bit device of the present utility model;
Fig. 3 is the front view that is installed on the phase bit device of the camshaft grinding machine of the present utility model on the camshaft grinding machine dial;
Fig. 4 is the A-A cutaway view that is installed on the phase bit device of the camshaft grinding machine of the present utility model on the camshaft grinding machine dial, shows the camshaft workpiece that is installed on the phase bit device simultaneously.
The specific embodiment
As shown in Figure 1 and Figure 2, the camshaft grinding machine that phase bit device 1 of the present utility model is installed comprises lathe bed 2 and grinding carriage 3, and installment work platform 4 on the lathe bed 2 is installed the head of a bed 5 and tailstock 7 on the workbench 4.Dial 6 is installed on the head of a bed 5.
As shown in Figure 3, Figure 4, the phase bit device 1 of camshaft grinding machine of the present utility model comprises shifting block 13 and clamp body 18.The shifting block 13 of cubic by bolting on dial 6.The vertical axis of clamp body 18 overlaps with the vertical axis of dial 6.The top of clamp body 18 has groove 21.Shifting block 13 is positioned at groove 21 inner centers, and the left wall 22 of groove 21, right wall 23 are fixedlyed connected with shifting block 13 by bolt respectively.
The bottom of clamp body 18 has and is used to hold the also circular groove 31 of supporting cam wheel shaft-like work end.Circular groove 31 matches with the end of camshaft workpiece.The axis of circular groove 31 overlaps with the longitudinal center line of dial 6.Be fixed with the pin 35 that stretches into circular groove 31 inside on the clamp body 18.The center of circle of selling 35 end faces is positioned on the vertical axis of dial 6.
Sell on the clamp body 18 of 35 belows and have aperture 33, aperture 33 communicates with circular groove 31.Top on the dial 6 stretches into circular groove 31 inside from aperture 33.
Have three installing holes 37,38,39 on the perisporium of circular groove 31.First installing hole 37, second installing hole 38, the 3rd installing hole 39 evenly distribute at the perisporium of circular groove 31.Wherein first installing hole 37 be positioned at circular groove 31 under, the center of circle of first installing hole 37 is on the vertical axis of clamp body 18.Second installing hole 38 is positioned at the upper left side of first installing hole 37, and the 3rd installing hole 39 is positioned at the upper right side of first installing hole 37.The axis of the axis of second installing hole 38, the 3rd installing hole 39 becomes 60 degree angles respectively with the vertical axis of clamp body 18.The inwall of first installing hole 37, second installing hole 38, the 3rd installing hole 39 all has screw thread.Be respectively equipped with first bolt 51, second bolt 52, the 3rd bolt 53 that are used for fixing the camshaft workpiece in first installing hole 37, second installing hole 38, the 3rd installing hole 39.First bolt 51 is positioned under the circular groove 31.Second bolt 52 is positioned at the upper left side of first bolt 51, and the 3rd bolt 53 is positioned at the upper right side of first bolt 51.Second bolt 52, the 3rd bolt 53 become 60 degree angles respectively with the vertical axis of clamp body 18.
Before the camshaft grinding machine work that phase bit device 1 of the present utility model is installed, one end of camshaft workpiece 40 is put into circular groove 31, pin 35 is inserted the phase bit hole 41 that is positioned at camshaft workpiece 40 1 ends, and top on the dial 6 stretches out on the supported hole that withstands on camshaft workpiece 40 1 ends from aperture 33.Hold out against camshaft workpiece 40 fixing by first bolt 51, second bolt 52, the 3rd bolt 53 in first installing hole 37, second installing hole 38, the 3rd installing hole 39 respectively.Be positioned on the vertical axis of dial 6 because sell the center of circle of 35 end faces, the axis of circular groove 31 overlaps with the longitudinal center line of dial 6.The vertical axis of the cam initial phase of camshaft workpiece 40 and dial 6 accurately aligns thus.When camshaft grinding machine work is started working, under the control of specific program, vertical advance and retreat of the rotation of dial 6 and grinding carriage 3 are linked, and can realize the cam contour processing of camshaft workpiece 40.
Because the camshaft workpiece is to hold out against fixing by first bolt 51, second bolt 52, the 3rd bolt 53 in first installing hole 37, second installing hole 38, the 3rd installing hole 39, if so the size of camshaft workpiece one end end face less than the size of circular groove 31, also can realize fixing by first bolt 51, second bolt 52, the 3rd bolt 53.
The above embodiment only is that preferred implementation of the present utility model is described; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (10)
1. the phase bit device (1) of a camshaft grinding machine, it is characterized in that, comprise the clamp body (18) on the dial (6) that is fixed in described camshaft grinding machine, have the circular groove (31) that matches with the end of camshaft workpiece on the described clamp body (18), the axis of described circular groove (31) overlaps with the longitudinal center line of described dial (6), the perisporium of described circular groove (31) is provided with a plurality of bolts, is fixed with on the described clamp body (18) to stretch into the inner pin (35) of described circular groove (31).
2. the phase bit device (1) of camshaft grinding machine according to claim 1 is characterized in that, has aperture (33) on the described clamp body (18) of described pin (35) below, and described aperture (33) communicates with described circular groove (31).
3. the phase bit device (1) of camshaft grinding machine according to claim 2 is characterized in that, is respectively equipped with first bolt (51), second bolt (52) and the 3rd bolt (53) on the perisporium of described circular groove (31).
4. the phase bit device (1) of camshaft grinding machine according to claim 3 is characterized in that, described first bolt (51) is positioned under the described circular groove (31).
5. the phase bit device (1) of camshaft grinding machine according to claim 4 is characterized in that, described second bolt (52) is positioned at the upper left side of described first bolt (51), and described the 3rd bolt (53) is positioned at the upper right side of described first bolt (51).
6. the phase bit device (1) of camshaft grinding machine according to claim 5 is characterized in that, described second bolt (52), described the 3rd bolt (53) become 60 degree angles respectively with the vertical axis of described clamp body (18).
7. the phase bit device (1) of camshaft grinding machine according to claim 6 is characterized in that, also comprises shifting block (13), and described clamp body (18) is fixed on the dial (6) of described camshaft grinding machine by described shifting block (13).
8. the phase bit device (1) of camshaft grinding machine according to claim 7, it is characterized in that, described shifting block (13) by bolting on described dial (6), the top of described clamp body (18) has groove (21), described shifting block (13) is positioned at the inner center of described groove (21), and the right wall (23) of the left wall (22) of described groove (21), described groove (21) is fixedlyed connected with described shifting block (13) by bolt respectively.
9. according to the phase bit device (1) of each described camshaft grinding machine of claim 1-8, it is characterized in that the center of circle of described pin (35) end face is positioned on the vertical axis of described dial (6).
10. the phase bit device (1) of camshaft grinding machine according to claim 9 is characterized in that, the vertical axis of described clamp body (18) overlaps with the vertical axis of described dial (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206210091U CN201889695U (en) | 2010-11-23 | 2010-11-23 | Constant-phase device of camshaft grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206210091U CN201889695U (en) | 2010-11-23 | 2010-11-23 | Constant-phase device of camshaft grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201889695U true CN201889695U (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206210091U Expired - Lifetime CN201889695U (en) | 2010-11-23 | 2010-11-23 | Constant-phase device of camshaft grinding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201889695U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059627A (en) * | 2010-11-23 | 2011-05-18 | 北京第二机床厂有限公司 | Phase bit positioning device of cam shaft grinding machine |
| CN103121184A (en) * | 2013-01-08 | 2013-05-29 | 北京工业大学 | Compensation device and method of numerical control cam shaft grinding machine grinding deformation |
| CN110370170A (en) * | 2019-08-20 | 2019-10-25 | 盛瑞传动股份有限公司 | A kind of camshaft polishing clamping tooling |
-
2010
- 2010-11-23 CN CN2010206210091U patent/CN201889695U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059627A (en) * | 2010-11-23 | 2011-05-18 | 北京第二机床厂有限公司 | Phase bit positioning device of cam shaft grinding machine |
| CN103121184A (en) * | 2013-01-08 | 2013-05-29 | 北京工业大学 | Compensation device and method of numerical control cam shaft grinding machine grinding deformation |
| CN103121184B (en) * | 2013-01-08 | 2015-05-20 | 北京工业大学 | Compensation device and method of numerical control cam shaft grinding machine grinding deformation |
| CN110370170A (en) * | 2019-08-20 | 2019-10-25 | 盛瑞传动股份有限公司 | A kind of camshaft polishing clamping tooling |
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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: 20110706 Effective date of abandoning: 20130724 |
|
| RGAV | Abandon patent right to avoid regrant |