CN102059627A - Phase bit positioning device of cam shaft grinding machine - Google Patents

Phase bit positioning device of cam shaft grinding machine Download PDF

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Publication number
CN102059627A
CN102059627A CN201010557343XA CN201010557343A CN102059627A CN 102059627 A CN102059627 A CN 102059627A CN 201010557343X A CN201010557343X A CN 201010557343XA CN 201010557343 A CN201010557343 A CN 201010557343A CN 102059627 A CN102059627 A CN 102059627A
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CN
China
Prior art keywords
grinding machine
phase bit
bolt
circular groove
camshaft
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Application number
CN201010557343XA
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Chinese (zh)
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CN102059627B (en
Inventor
彭浩
穆东辉
李伟华
张秀兰
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Beijing No2 Machine Tool Works Co Ltd
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Beijing No2 Machine Tool Works Co Ltd
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Priority to CN 201010557343 priority Critical patent/CN102059627B/en
Publication of CN102059627A publication Critical patent/CN102059627A/en
Application granted granted Critical
Publication of CN102059627B publication Critical patent/CN102059627B/en
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Abstract

The invention relates to a phase bit positioning device of a cam shaft grinding machine, comprising a clamp body fixed on a drive plate of the cam shaft grinding machine, wherein the clamp body is provided with a circular groove matched with the end part of a cam shaft workpiece; the axial line of the circular groove is superposed with the axial center line of the drive plate; a plurality of bolts are arranged on the circumferential wall of the circular groove; and a pin extending into the circular groove is fixed on the clamp body. Before the cam shaft grinding machine works, one end of the cam shaft workpiece is placed in the circular groove of the phase bit positioning device of the cam shaft grinding machine; the pin is inserted into the phase bit circular groove at one end of the cam shaft workpiece; and the cam shaft workpiece is fixed on the phase bit positioning device through the bolts, so that the initial phase bit of a cam of the cam shaft workpiece can be accurately aligned with a certain point or a certain line of the drive plate. The phase bit positioning device of the cam shaft grinding machine, which is disclosed by the invention, has the advantages of simple structure and low cost, is easy for assembly and is suitable for being popularized in a wide range.

Description

The phase bit device of camshaft grinding machine
Technical field
The present invention relates to a kind of device that is used for the grinding on-circular cross-section, particularly relate 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.
Summary of the invention
The technical problem that the present invention 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 invention, 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 invention 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 invention 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 invention, wherein, described first bolt is positioned under the described circular groove.
The phase bit device of camshaft grinding machine of the present invention, 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 invention, 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 invention 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 invention, 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 invention, 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 invention, 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 invention 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 invention;
Fig. 2 is the front view of the structural representation of the camshaft grinding machine of installation phase bit device of the present invention;
Fig. 3 is the front view that is installed on the phase bit device of the camshaft grinding machine of the present invention 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 invention 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 invention 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 invention 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 invention 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 invention is described; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

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).
CN 201010557343 2010-11-23 2010-11-23 Phase bit positioning device of cam shaft grinding machine Active CN102059627B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010557343 CN102059627B (en) 2010-11-23 2010-11-23 Phase bit positioning device of cam shaft grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010557343 CN102059627B (en) 2010-11-23 2010-11-23 Phase bit positioning device of cam shaft grinding machine

Publications (2)

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CN102059627A true CN102059627A (en) 2011-05-18
CN102059627B CN102059627B (en) 2013-07-24

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269100A2 (en) * 1986-11-27 1988-06-01 Emitec Gesellschaft für Emissionstechnologie mbH Method and apparatus for grinding cams
GB2278794B (en) * 1993-06-07 1997-07-02 Schaudt Maschinenbau Gmbh Process and machine for grinding camshafts
JP2003117794A (en) * 2001-10-09 2003-04-23 Toyoda Mach Works Ltd Grinding machine for allowing wheel spindle stock to make generating motion by linear motor
CN1546257A (en) * 2003-12-08 2004-11-17 重庆大学 Pouring process for extrusion casting
CN2868513Y (en) * 2006-03-07 2007-02-14 中国船舶重工集团公司第七一七研究所 Special disk part turning positioning-clamping device
CN101209627A (en) * 2007-12-25 2008-07-02 上海亚太计算机信息系统有限公司 Camshaft fixture cramp and its automatically printing method
CN201231430Y (en) * 2008-05-23 2009-05-06 唐山钢铁股份有限公司 Roller grinding multi-purpose clamping device
CN101780641A (en) * 2010-04-02 2010-07-21 江苏汤臣汽车零部件有限公司 Automobile brake camshaft double-center cutting process and double-center cutting clamp thereof
CN201889695U (en) * 2010-11-23 2011-07-06 北京第二机床厂有限公司 Constant-phase device of camshaft grinding machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269100A2 (en) * 1986-11-27 1988-06-01 Emitec Gesellschaft für Emissionstechnologie mbH Method and apparatus for grinding cams
GB2278794B (en) * 1993-06-07 1997-07-02 Schaudt Maschinenbau Gmbh Process and machine for grinding camshafts
JP2003117794A (en) * 2001-10-09 2003-04-23 Toyoda Mach Works Ltd Grinding machine for allowing wheel spindle stock to make generating motion by linear motor
CN1546257A (en) * 2003-12-08 2004-11-17 重庆大学 Pouring process for extrusion casting
CN2868513Y (en) * 2006-03-07 2007-02-14 中国船舶重工集团公司第七一七研究所 Special disk part turning positioning-clamping device
CN101209627A (en) * 2007-12-25 2008-07-02 上海亚太计算机信息系统有限公司 Camshaft fixture cramp and its automatically printing method
CN201231430Y (en) * 2008-05-23 2009-05-06 唐山钢铁股份有限公司 Roller grinding multi-purpose clamping device
CN101780641A (en) * 2010-04-02 2010-07-21 江苏汤臣汽车零部件有限公司 Automobile brake camshaft double-center cutting process and double-center cutting clamp thereof
CN201889695U (en) * 2010-11-23 2011-07-06 北京第二机床厂有限公司 Constant-phase device of camshaft grinding machine

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