CN203430951U

CN203430951U - Ratchet wheel locking nut of screw tap grinder

Info

Publication number: CN203430951U
Application number: CN201320548378.6U
Authority: CN
Inventors: 张耀良; 王金根; 张美宝; 庄健
Original assignee: PINGHU TOOL FACTORY ZHEJIANG
Current assignee: PINGHU TOOL FACTORY ZHEJIANG
Priority date: 2013-09-05
Filing date: 2013-09-05
Publication date: 2014-02-12
Anticipated expiration: 2023-09-05

Abstract

The utility model discloses a ratchet wheel locking nut of a screw tap grinder. The ratchet wheel locking nut of the screw tap grinder comprises a metal base and a screwed hole. The circumference of the metal base is formed by enclosing six vertical metal flat surfaces which are provided with the same length and the same height; the included angle between two neighboring metal flat surfaces is 120 degrees, the headmost metal flat surface and the backmost metal flat surface are parallel to each other and horizontally vertical; the top surface and the bottom surface of the metal base are symmetric and both in a hexagon shape; a top round surface is drawn on the top surface of the metal base by taking the center of the top surface of the metal base as the center, and the circumference of the top round surface is tangent to the six edges of the top surface of the metal base; the six corners of the top surface of the metal base, which are outside the top round surface, are turned into top chamfers; a bottom round surface is drawn on the bottom surface of the metal base by taking the center of the bottom surface of the metal base as the center, the circumference of the bottom round surface is tangent to the six edges of the bottom surface of the metal base; the six corners of the bottom surface of the metal base, which are outside the bottom round surface, are turned into bottom chamfers; the screwed hole is a through hole formed by drilling downwards with the top surface of metal base as the center; the screwed hole, the top round surface and the bottom round surface are concentric.

Description

The ratchet locknut of screw tap Special Turbine Grinding Machine

Technical field

The utility model belongs to the ratchet locknut 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 ratchet locknut of the Special Turbine Grinding Machine that relief grinding is sharp, is to the instrument of lathe, to be the vitals of a kind of new equipment of processing of screw tap.

Background technique

Conventionally, in machine-building, processing factory, must use: the one, lathe, the 2nd, the instrument using on lathe, indispensable, good lathe is as numerical control machine tool, the instrument using is as screw tap, and the blade of screw tap makes it sharp, allows the class qualitatively of screw tap, need to process 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 object, 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 is in years of researches, experiment, and Special Turbine Grinding Machine novel, practical, with low cost has been manufactured in innovation, and quality of processing is good, can be beautiful with import Special Turbine Grinding Machine one's deceased mother; And the ratchet locknut 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 Special Turbine Grinding Machine working stability, keen edge, the precision of the screw tap that relief grinding goes out are high, relief grinding puts in place, have overcome the ratchet locknut 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 purpose of this utility model is to provide the ratchet locknut of screw tap Special Turbine Grinding Machine, the ratchet locknut 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 Special Turbine Grinding Machine working stability, keen edge, the precision of the screw tap that relief grinding goes out are high, relief grinding puts in place, have overcome the ratchet locknut 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.

Technological scheme: the ratchet locknut of screw tap Special Turbine Grinding Machine, comprise metal seat and tapped hole, the surrounding that it is characterized in that metal seat is surrounded by the metal flat of six settings, the length of every metal flat is with highly all identical, and the angle between every adjacent two metal flats is all 120 °, top metal flat and rearmost metal flat are parallel to each other, all laterally settings, the left and right extreme length that makes metal seat is 21.94 ㎜, and forward and backward width is 19 ㎜, and upper and lower height is 10 ㎜; Metal seat be above hexagonal plane, metal seat be also hexagonal plane below, symmetrical mutually below with metal seat above of metal seat; Take metal seat above among the heart be the center of circle, draw a upper rounded face, the diameter of upper rounded face is 19 ㎜, the circumference of upper rounded face is tangent with six limits above of metal seat respectively; Place, six angles on metal seat, beyond upper rounded face, is cut into respectively the top chamfering of 45 ° again; Take again metal seat below among the heart be the center of circle, draw a below rounded face, the diameter of below rounded face is also 19 ㎜, the circumference of below rounded face is tangent with six limits below of metal seat respectively; Again below metal seat, in below place, six angles beyond rounded face, be cut into respectively the below chamfering of 45 °; Also take metal seat above among the heart be the center of circle, be drilled with a tapped hole downwards, the diameter of tapped hole is 12 ㎜, pitch 1 ㎜; Tapped hole is through hole, above metal seat, bore always metal seat below; Tapped hole and upper rounded face and below rounded face are all concentric circles; The ratchet locknut of screw tap Special Turbine Grinding Machine can be made of materials such as steel or copper material or aluminum alloys.

The utility model has the advantages that: the ratchet locknut that screw tap Special Turbine Grinding Machine is provided, the ratchet locknut 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 Special Turbine Grinding Machine working stability, keen edge, the precision of the screw tap that relief grinding goes out are high, relief grinding puts in place, have overcome the ratchet locknut 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.

Accompanying drawing explanation

The plan structure schematic diagram of the ratchet locknut of Fig. 1 screw tap Special Turbine Grinding Machine

The cross-sectional view that the master of the ratchet locknut of Fig. 2 screw tap Special Turbine Grinding Machine looks

Embodiment

Below in conjunction with accompanying drawing in detail the utility model is described in detail:

The ratchet locknut of screw tap Special Turbine Grinding Machine, comprise metal seat and tapped hole, the surrounding that it is characterized in that metal seat 1 is surrounded by the metal flat 4 of six settings, the length of every metal flat 4 is with highly all identical, and the angle between every adjacent two metal flats 4 is all 120 °, top metal flat 4 is parallel to each other with rearmost metal flat 4, all laterally settings, the left and right extreme length that makes metal seat 1 is 21.94 ㎜, and forward and backward width is 19 ㎜, and upper and lower height is 10 ㎜; Metal seat 1 be above hexagonal plane, metal seat 1 be also hexagonal plane below, symmetrical mutually below with metal seat 1 above of metal seat 1; Take metal seat 1 above among the heart be the center of circle, draw a upper rounded face, the diameter of upper rounded face is 19 ㎜, the circumference of upper rounded face is tangent with six limits above of metal seat 1 respectively; Place, six angles on metal seat 1, beyond upper rounded face, is cut into respectively the top chamfering 3 of 45 ° again; Take again metal seat 1 below among the heart be the center of circle, draw a below rounded face, the diameter of below rounded face is also 19 ㎜, the circumference of below rounded face is tangent with six limits below of metal seat 1 respectively; Again below metal seat 1, in below place, six angles beyond rounded face, be cut into respectively the below chamfering 5 of 45 °; Also take metal seat 1 above among the heart be the center of circle, be drilled with a tapped hole 2 downwards, the diameter of tapped hole 2 is 12 ㎜, pitch 1 ㎜; Tapped hole 2 is through holes, above metal seat 1, bore always metal seat 1 below; Tapped hole 2 is all concentric circle with upper rounded face and below rounded face; The ratchet locknut of screw tap Special Turbine Grinding Machine is made of steel.

Claims

1. the ratchet locknut of screw tap Special Turbine Grinding Machine, comprise metal seat and tapped hole, the surrounding that it is characterized in that metal seat (1) is surrounded by the metal flat (4) of six settings, the length of every metal flat (4) is with highly all identical, angle between every adjacent two metal flats (4) is all 120 °, top metal flat (4) is parallel to each other with rearmost metal flat (4), all laterally settings, the left and right extreme length of metal seat (1) is 21.94 ㎜, forward and backward width is 19 ㎜, and upper and lower height is 10 ㎜; Metal seat (1) be above hexagonal plane, metal seat (1) be also hexagonal plane below, symmetrical mutually below with metal seat (1) above of metal seat (1); Among above metal seat (1), the heart is the center of circle, draws a upper rounded face, and the diameter of upper rounded face is 19 ㎜, and the circumference of upper rounded face is tangent with six limits above of metal seat (1) respectively; Place, six angles on metal seat (1), beyond upper rounded face, is cut into respectively the top chamfering (3) of 45 °; Among below metal seat (1), the heart is the center of circle, draws a below rounded face, and the diameter of below rounded face is also 19 ㎜, and the circumference of below rounded face is tangent with six limits below of metal seat (1) respectively; Place, six angles below metal seat (1), beyond the rounded face of below, is cut into respectively the below chamfering (5) of 45 °; Among above metal seat (1), the heart is the center of circle, is drilled with a tapped hole (2) downwards, and the diameter of tapped hole (2) is 12 ㎜, pitch 1 ㎜; Tapped hole (2) is through hole, above metal seat (1), bore always metal seat (1) below; Tapped hole (2) is all concentric circle with upper rounded face and below rounded face.