CN203509790U - Top end cover for screw tap relief grinder - Google Patents

Abstract

The utility model discloses a top end cover for a screw tap relief grinder. The top end cover is provided with a metal cover and a round through hole, the metal cover is formed by connecting a round metal base and a metal round ring, the round metal base and the metal round ring are arranged in the front and back direction, the metal round ring is arranged at the front position, the round metal base is arranged at the rear position, the round metal base is in a cylindrical shape, and the rear face of the metal ring is connected with the round front face of the round metal base. A round through hole is drilled backwards at the circle center of the round front face of the round metal base, the round through hole, the round metal base and the metal round ring are concentric circles, round cavities are drilled backwards in the three positions on the outer side of the metal round ring, and the round cavities are all through holes, a circumference formed by a circle connecting line of the round cavities and the round through hole are concentric circles, the three round cavities are evenly distributed in the front round face of the round metal base, and the circle center of the uppermost round cavity is located on a longitudinal central line of the round metal base. The circumferential edge between the front round face and the rear round face of the round metal base is turned into a chamfer, and the circumferential edge of the round ring front face of the round metal ring is turned into a chamfer.

Description

The top end cap of screw tap Special Turbine Grinding Machine

Technical field

The utility model belongs to the top end cap of screw tap Special Turbine Grinding Machine, the instrument to using on Digit Control Machine Tool specifically---the blade of screw tap carries out the top end cap of the Special Turbine Grinding Machine that relief grinding is sharp, is that the instrument that lathe is used is a kind of new equipment that screw tap is processed---the vitals of screw tap Special Turbine Grinding Machine.

Background technology

Conventionally, in machine-building, processing factory, must use: the one, lathe, the 2nd, the instrument using on lathe, indispensable, good lathe is as Digit 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 novel Special Turbine Grinding Machine novel, practical, with low cost has been manufactured in innovation, and crudy is good, can be beautiful with import Special Turbine Grinding Machine one's deceased mother; And the top end cap of this screw tap Special Turbine Grinding Machine is one of them vitals, design correct, rational in infrastructure, can make Special Turbine Grinding Machine good stability, working stability, keen edge, the precision of the screw tap that relief grinding goes out are high, relief grinding puts in place, the defect such as overcome Special Turbine Grinding Machine relief grinding dislocation that the top end cap of common Special Turbine Grinding Machine causes because of design mistake, unreasonable structure, precision is not high, the knife edge is turned.

Summary of the invention

The purpose of this utility model is to provide the top end cap of screw tap Special Turbine Grinding Machine, the top end cap 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 good stability at work, 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; The defect such as overcome Special Turbine Grinding Machine relief grinding dislocation that the top end cap of common Special Turbine Grinding Machine causes because of design mistake, unreasonable structure, precision is not high, the knife edge is turned.

Technical scheme: the top end cap of screw tap Special Turbine Grinding Machine, comprise crown cap and round tube hole, it is characterized in that crown cap is comprised of round metal seat and metal ring disjunctor, round metal seat and metal ring are front and rear direction to be placed, and forwardly, round metal seat in the wings for metal ring, round metal seat is the round metal seat of cylindrical shape, after the annulus of metal ring with the circle of round metal seat before disjunctor, the body diameter of the round metal seat of cylindrical shape is 57 ㎜, forward and backward height is 6 ㎜; The diameter of the outer toroid of metal ring is 34 ㎜, and the diameter of the interior annulus of metal ring is 26 ㎜, and the forward and backward height of metal ring is 3 ㎜; Metal ring and round metal seat are concentric circles; The center of circle before the circle of round metal seat, be drilled with a round tube hole backward, the diameter of round tube hole is 14 ㎜, and forward and backward height is 6 ㎜; Round tube hole is through hole, from bore before the circle of round metal seat after the circle of round metal seat always; Round tube hole and round metal seat and metal ring are concentric circles; Three of side places on before the circle of round metal seat, outside metal ring, be drilled with backward respectively circular holes, the diameter of three circular holes is all 5.5 ㎜, and three circular holes are all through holes, from bore before the circle of round metal seat after the circle of round metal seat always; The formed circumference of circle center line connecting of three circular holes, the diameter of this circumference is 46 ㎜, this circumference and round tube hole are concentric circles; On three circular holes are evenly distributed on before the circle of round metal seat, wherein the center of circle of uppermost circular holes is positioned on longitudinal medium line of round metal seat, and the center of circle of every adjacent two circular holes is all 120 ° with line, the formed angle in the center of circle of round tube hole respectively; In circumferential edge before the circle of round metal seat, be lathed to first chamfering of 45 °, chamfering distance is 0.5 ㎜, be lathed to second chamfering of 45 ° again in the circumferential edge after the circle of round metal seat,, chamfering distance is 0.5 ㎜, outside again before the annulus of metal ring in circumferential edge, be lathed to the 3rd chamfering of 45 °, chamfering distance is 0.5 ㎜; The top end cap of screw tap Special Turbine Grinding Machine, can make of materials such as steel or copper material or aluminium alloys.

The beneficial effects of the utility model are: the top end cap that screw tap Special Turbine Grinding Machine is provided, the top end cap 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 good stability 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, the defect such as overcome Special Turbine Grinding Machine relief grinding dislocation that the top end cap of common Special Turbine Grinding Machine causes because of design mistake, unreasonable structure, precision is not high, the knife edge is turned; Can meet enterprise's Production requirement.

Accompanying drawing explanation

The structural representation that the master of the top end cap of Fig. 1 screw tap Special Turbine Grinding Machine looks

The cross-sectional view that the right side of top end cap of Fig. 2 screw tap Special Turbine Grinding Machine is looked

The specific embodiment

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

The top end cap of screw tap Special Turbine Grinding Machine, comprise crown cap and round tube hole, it is characterized in that crown cap is comprised of round metal seat 1 and metal ring 3 disjunctors, round metal seat 1 is front and rear direction with metal ring 3 to be placed, and forwardly, round metal seat 1 in the wings for metal ring 3, round metal seat 1 is the round metal seat of cylindrical shape, after the annulus of metal ring 3 with the circle of round metal seat 1 before disjunctor, the body diameter of the round metal seat 1 of cylindrical shape is 57 ㎜, forward and backward height is 6 ㎜; The diameter of the outer toroid of metal ring 3 is 34 ㎜, and the diameter of the interior annulus of metal ring 3 is 26 ㎜, and the forward and backward height of metal ring 3 is 3 ㎜; Metal ring 3 is concentric circles with round metal seat 1; The center of circle before the circle of round metal seat 1, be drilled with a round tube hole 2 backward, the diameter of round tube hole 2 is 14 ㎜, and forward and backward height is 6 ㎜; Round tube hole 2 is through holes, from bore before the circle of round metal seat 1 after the circle of round metal seat 1 always; Round tube hole 2 is concentric circles with round metal seat 1 and metal ring 3; Three places of side on before the circle of round metal seat 1, outside metal ring 3, be drilled with backward respectively circular holes 4, the diameter of three circular holes 4 is all 5.5 ㎜, and three circular holes 4 are all through holes, from bore before the circle of round metal seat 1 after the circle of round metal seat 1 always; The formed circumference of circle center line connecting of three circular holes 4, the diameter of this circumference is 46 ㎜, this circumference and round tube hole 2 are concentric circles; On three circular holes 4 are evenly distributed on before the circle of round metal seat 1, wherein the center of circle of uppermost circular holes 4 is positioned on longitudinal medium line of round metal seat 1, and the center of circle of every adjacent two circular holes 4 is all 120 ° with line, the formed angle in the center of circle of round tube hole 2 respectively; In circumferential edge before the circle of round metal seat 1, be lathed to first chamfering 5 of 45 °, chamfering distance is 0.5 ㎜, be lathed to second chamfering 6 of 45 ° again in the circumferential edge after the circle of round metal seat 1,, chamfering distance is 0.5 ㎜, outside again before the annulus of metal ring 3 in circumferential edge, be lathed to the 3rd chamfering 7 of 45 °, chamfering distance is 0.5 ㎜; The top end cap of screw tap Special Turbine Grinding Machine, makes of steel.

Claims (1)

1. the top end cap of screw tap Special Turbine Grinding Machine, comprise crown cap and round tube hole, it is characterized in that crown cap is comprised of round metal seat (1) and metal ring (3) disjunctor, round metal seat (1) is front and rear direction with metal ring (3) and places, metal ring (3) forwardly, round metal seat (1) in the wings, round metal seat (1) is the round metal seat of cylindrical shape, after the annulus of metal ring (3) with the circle of round metal seat (1) before disjunctor, the body diameter of the round metal seat (1) of cylindrical shape is 57 ㎜, and forward and backward height is 6 ㎜; The diameter of the outer toroid of metal ring (3) is 34 ㎜, and the diameter of the interior annulus of metal ring (3) is 26 ㎜, and the forward and backward height of metal ring (3) is 3 ㎜; Metal ring (3) is concentric circles with round metal seat (1); The center of circle before the circle of round metal seat (1), be drilled with a round tube hole (2) backward, the diameter of round tube hole (2) is 14 ㎜, and forward and backward height is 6 ㎜; Round tube hole (2) is through hole, from bore before the circle of round metal seat (1) after the circle of round metal seat (1) always; Round tube hole (2) is concentric circles with round metal seat (1) and metal ring (3); Three places upper before the circle of round metal seat (1), side outside metal ring (3), be drilled with backward respectively circular holes (4), the diameter of three circular holes (4) is all 5.5 ㎜, and three circular holes (4) are all through holes, from bore before the circle of round metal seat (1) after the circle of round metal seat (1) always; The formed circumference of circle center line connecting of three circular holes (4), the diameter of this circumference is 46 ㎜, this circumference and round tube hole (2) they are concentric circles; On three circular holes (4) are evenly distributed on before the circle of round metal seat (1), wherein the center of circle of uppermost circular holes (4) is positioned on longitudinal medium line of round metal seat (1), and the center of circle of every adjacent two circular holes (4) is all 120 ° with line, the formed angle in the center of circle of round tube hole (2) respectively; In circumferential edge before the circle of round metal seat (1), be lathed to first chamfering (5) of 45 °, chamfering distance is 0.5 ㎜, in circumferential edge after the circle of round metal seat (1), be lathed to second chamfering (6) of 45 °, chamfering distance is 0.5 ㎜, outside before the annulus of metal ring (3) in circumferential edge, be lathed to the 3rd chamfering (7) of 45 °, chamfering distance is 0.5 ㎜.

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