CN103453108A - Eccentric cam of screw tap relief grinding machine - Google Patents
Eccentric cam of screw tap relief grinding machine Download PDFInfo
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- CN103453108A CN103453108A CN2013103981438A CN201310398143A CN103453108A CN 103453108 A CN103453108 A CN 103453108A CN 2013103981438 A CN2013103981438 A CN 2013103981438A CN 201310398143 A CN201310398143 A CN 201310398143A CN 103453108 A CN103453108 A CN 103453108A
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Abstract
The invention discloses an eccentric cam of a screw tap relief grinding machine. The eccentric cam comprises a cam and holes, wherein the cam is made by a cylindrical metal block; the rounded corners of the front round face and the rear round face of the cam are respectively cut into chamfers of 45 degrees; a round through hole is drilled in the middle of the front round face of the cam; a rectangular through hole is also drilled in the middle of the front round face of the cam and above the round through hole; the rectangular through hole is communicated with the round through hole; the circumscribed circle of the cam has a circumscribed circle center, and the circle center of the round through hole is perpendicularly below the circumscribed circle center and deviates from the circumscribed circle center; the longitudinal center lines of the rectangular through hole in the left direction and the right direction are coincided with the longitudinal center lines of the cam in the left direction and the right direction; the linking lines of the two circle centers with the longitudinal center lines of the rectangular through hole in the left direction and the right direction are coincided; and the rectangular through hole is communicated with the round through hole to form the through hole of the eccentric cam.
Description
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Technical field
The present invention relates to the eccentric cam of screw tap Special Turbine Grinding Machine, the instrument to using on numerical control machine tool specifically---the blade of screw tap carries out the eccentric cam of the Special Turbine Grinding Machine that relief grinding is sharp, is that instrument to lathe is the vitals of the another kind of new equipment processed of screw tap.
Background technique
Usually, in machine-building, processing factory, must use: the one, lathe, the 2nd, the instrument used on lathe, indispensable, good lathe is as numerical control machine tool, the instrument used is as screw tap, and the blade of screw tap makes it sharp, allows the class qualitatively of screw tap, need to be processed screw tap, relief grinding, allow the keen edge of screw tap, the quality of screw tap is good, and the product of making is just superior; And to reach this purpose, need Special Turbine Grinding Machine to complete; The mostly import of existing Special Turbine Grinding Machine, expensive; Seldom domestic, and impracticable, use inconvenience, miss one's aim; This enterprise years of researches, the experiment in, the innovation manufactured Special Turbine Grinding Machine novel, practical, with low cost, quality of processing is good, can with import Special Turbine Grinding Machine one's deceased mother U.S.; And the eccentric cam of this Special Turbine Grinding Machine is one of them vitals, design correct, rational in infrastructure, can make Special Turbine Grinding Machine normal operation, regular at work, thereby guarantee the Special Turbine Grinding Machine working stability, keen edge, the precision of the screw tap that relief grinding goes out is high, relief grinding puts in place, has overcome the eccentric cam design fault, unreasonable structure of common Special Turbine Grinding Machine and the relief grinding dislocation that causes, the defect such as precision is not high, the knife edge is turned.
Summary of the invention
The defects such as the relief grinding dislocation caused for the eccentric cam design fault that overcomes common Special Turbine Grinding Machine, unreasonable structure, precision is not high, the knife edge is turned, the invention provides the eccentric cam of screw tap Special Turbine Grinding Machine, the eccentric cam of screw tap Special Turbine Grinding Machine is a vitals of Special Turbine Grinding Machine, design correct, rational in infrastructure, can make Special Turbine Grinding Machine normal operation, regular at work, thereby guarantee the Special Turbine Grinding Machine working stability, keen edge, the precision of the screw tap that relief grinding goes out is high, relief grinding puts in place.
Technological scheme: the eccentric cam of screw tap Special Turbine Grinding Machine, comprise cam and hole, it is characterized in that cam is a cylindrical slug, the diameter of the cylindrical of cam is 27.5 ㎜, forward and backward width is 15 ㎜; Be cut into separately the chamfering of 45 ° at the front disc of cam and the round edge angle of rear disc, the chamfering distance is 1 ㎜; In the drilled in middle of the front disc of cam the through hole of a circle, circular through hole bores rear disc from the disc of cam always; The diameter of circular through hole is 10 ㎜; Bored again the through hole of a cuboid among the front disc of cam and above circular through hole; The through hole of cuboid bores rear disc from the disc of cam always; The left and right width of the through hole of cuboid is 4 ㎜; The through hole of cuboid and circular through hole interconnect; The cylindrical of cam has the cylindrical center of circle, and the center of circle of circular through hole outside the vertical lower, the distance that departs from the cylindrical center of circle of the round heart be 2 ㎜, form eccentric cam; The center of circle of the cylindrical center of circle of cam and circular through hole can form the line in two centers of circle, and the line in two centers of circle is lines of Vertical direction; The vertical center line of the left and right direction of the through hole of cuboid is divided the left and right width of the through hole of cuboid equally, cam flat is divided into to left and right each half block cam simultaneously, and left half block cam and right half block cam are symmetrical mutually; That is to say: the vertical center line of the left and right direction of the through hole of cuboid overlaps with the vertical center line of the left and right direction of cam; The vertical center line of the left and right direction of the through hole of cuboid overlaps with the line in above-mentioned two centers of circle again; The through hole of cuboid interconnects into the eccentric cam through hole with circular through hole, and the upper and lower total height of this eccentric cam through hole is 12 ㎜; Cam can be made of materials such as stainless steel or aluminum alloys.
Beneficial effect of the present invention is: the eccentric cam that the screw tap Special Turbine Grinding Machine is provided, the eccentric cam of screw tap Special Turbine Grinding Machine is a vitals of Special Turbine Grinding Machine, design correct, rational in infrastructure, can make Special Turbine Grinding Machine normal operation, regular at work, thereby guarantee the Special Turbine Grinding Machine working stability, keen edge, the precision of the screw tap that relief grinding goes out is high, relief grinding puts in place, has overcome the eccentric cam design fault, unreasonable structure of common Special Turbine Grinding Machine and the relief grinding dislocation that causes, the defect such as precision is not high, the knife edge is turned; Can meet enterprise's Production requirement.
The accompanying drawing explanation
The structural representation of the eccentric cam of Fig. 1 screw tap Special Turbine Grinding Machine
The sectional structure schematic diagram of the eccentric cam of Fig. 2 screw tap Special Turbine Grinding Machine
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
The eccentric cam of screw tap Special Turbine Grinding Machine, comprise cam and hole, it is characterized in that cam 1 is a cylindrical slug, and the diameter of the cylindrical of cam 1 is 27.5 ㎜, and forward and backward width is 15 ㎜; Front disc 2 at cam 1 is cut into the chamfering 5 of 45 ° separately with the round edge angle of rear disc, and the chamfering distance is 1 ㎜; In the drilled in middle of the front disc 2 of cam 1 through hole 3 of a circle, circular through hole 3 bores thoroughly to rear disc from the disc 2 of cam 1 always; The diameter of circular through hole 3 is 10 ㎜; Bored again the through hole 4 of a cuboid among the front disc 2 of cam 1 and above circular through hole 3; The through hole 4 of cuboid bores thoroughly to rear disc from the disc 2 of cam 1 always; The left and right width of the through hole 4 of cuboid is 4 ㎜; The through hole 4 of cuboid interconnects with circular through hole 3; The cylindrical of cam 1 has the cylindrical center of circle, and the center of circle of circular through hole 3 outside the vertical lower, the distance that departs from the cylindrical center of circle of the round heart be 2 ㎜, form eccentric cam; The center of circle of the cylindrical center of circle of cam 1 and circular through hole 3 can form the line in two centers of circle, and the line in two centers of circle is lines of Vertical direction; The vertical center line of the left and right direction of the through hole 4 of cuboid is divided the left and right width of the through hole of cuboid 4 equally, cam 1 is divided equally for left and right each half block cam simultaneously, and left half block cam and right half block cam are symmetrical mutually; That is to say: the vertical center line of the left and right direction of the through hole 4 of cuboid overlaps with the vertical center line of the left and right direction of cam 1; The vertical center line of the left and right direction of the through hole 4 of cuboid overlaps with the line in above-mentioned two centers of circle again; The through hole 4 of cuboid interconnects into the eccentric cam through hole with circular through hole 3, and the upper and lower total height of this eccentric cam through hole is 12 ㎜; Cam 1 use stainless steel material is made.
Claims (1)
1. the eccentric cam of screw tap Special Turbine Grinding Machine, comprise cam and hole, it is characterized in that cam (1) is a cylindrical slug, and the outside diameter of cam (1) is 27.5 ㎜, and forward and backward width is 15 ㎜; Front disc (2) at cam (1) is cut into the chamfering (5) of 45 ° separately with the round edge angle of rear disc, and the chamfering distance is 1 ㎜; In the drilled in middle of the front disc (2) of cam (1) through hole (3) of a circle; The diameter of circular through hole (3) is 10 ㎜; Among the front disc (2) of cam (1) and bored again the through hole (4) of a cuboid in the top of circular through hole (3); The left and right width of the through hole of cuboid (4) is 4 ㎜; The through hole of cuboid (4) interconnects with circular through hole (3); The cylindrical of cam (1) has the cylindrical center of circle, and the center of circle of circular through hole (3) vertical lower, the distance that departs from the cylindrical center of circle of the round heart outside is 2 ㎜; The vertical center line of the left and right direction of the through hole of cuboid (4) overlaps with the vertical center line of the left and right direction of cam (1); The vertical center line of the left and right direction of the through hole of cuboid (4) overlaps with above-mentioned two circle center line connectings; The through hole of cuboid (4) interconnects into the eccentric cam through hole with circular through hole (3), and the upper and lower total height of eccentric cam through hole is 12 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103981438A CN103453108A (en) | 2013-09-05 | 2013-09-05 | Eccentric cam of screw tap relief grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103981438A CN103453108A (en) | 2013-09-05 | 2013-09-05 | Eccentric cam of screw tap relief grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103453108A true CN103453108A (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103981438A Pending CN103453108A (en) | 2013-09-05 | 2013-09-05 | Eccentric cam of screw tap relief grinding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN103453108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397940A (en) * | 2015-12-17 | 2016-03-16 | 平湖市永光机械配件有限公司 | Rotor spindle for fine grinding mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10323718A1 (en) * | 2003-05-24 | 2004-12-23 | Daimlerchrysler Ag | Process to manufacture automotive camshaft in which each cam is accorded a slit that is expanded and filled by weld metal |
| CN2731183Y (en) * | 2004-06-23 | 2005-10-05 | 彩虹集团电子股份有限公司 | Cam capable of randomly adjusting eccentricity |
| CN102862102A (en) * | 2012-08-31 | 2013-01-09 | 浙江省平湖市工具厂 | Cam device of screw tap relief grinding machine |
| CN202811278U (en) * | 2012-09-11 | 2013-03-20 | 佛山市广顺电器有限公司 | Eccentric wheel with dual-anti-loose structure |
| CN203431128U (en) * | 2013-09-05 | 2014-02-12 | 浙江省平湖市工具厂 | Eccentric cam of screw tap grinder |
-
2013
- 2013-09-05 CN CN2013103981438A patent/CN103453108A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10323718A1 (en) * | 2003-05-24 | 2004-12-23 | Daimlerchrysler Ag | Process to manufacture automotive camshaft in which each cam is accorded a slit that is expanded and filled by weld metal |
| CN2731183Y (en) * | 2004-06-23 | 2005-10-05 | 彩虹集团电子股份有限公司 | Cam capable of randomly adjusting eccentricity |
| CN102862102A (en) * | 2012-08-31 | 2013-01-09 | 浙江省平湖市工具厂 | Cam device of screw tap relief grinding machine |
| CN202811278U (en) * | 2012-09-11 | 2013-03-20 | 佛山市广顺电器有限公司 | Eccentric wheel with dual-anti-loose structure |
| CN203431128U (en) * | 2013-09-05 | 2014-02-12 | 浙江省平湖市工具厂 | Eccentric cam of screw tap grinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397940A (en) * | 2015-12-17 | 2016-03-16 | 平湖市永光机械配件有限公司 | Rotor spindle for fine grinding mill |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |