CN202242660U

CN202242660U - Pencil grinding cutter

Info

Publication number: CN202242660U
Application number: CN2011204075418U
Authority: CN
Inventors: 张意立
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-14
Filing date: 2011-10-14
Publication date: 2012-05-30
Anticipated expiration: 2021-10-14

Abstract

The utility model discloses a pencil grinding cutter. An oblique conical cutter saddle vertically extends out of the side plane of a cutter saddle of a handheld disk; the obliqueness of the blade installation surface of the oblique conical cutter saddle is parallel to a conical hole working surface, and a small amount of the conical hole working surface and a vertical chip removing surface on the back side of the oblique conical cutter saddle are cut to form a chip discharge port; a pencil holder blade and a pencil point grinding sheet are fixed on the blade installation surface of the oblique conical cutter saddle by using two blade screws respectively; the sharp part of a blade points to a vertical chip removing surface; the pencil holder blade and the pencil point grinding sheet are of equal sectional size and are integrated; the pencil holder blade is a high-hardness steel sheet; the pencil point grinding sheet is a synthesized sandstone grinding sheet; and the diameter of the position of a boundary line between a pencil holder blade section and a pencil point grinding sheet section on the conical hole working surface is equal to that of a pencil lead. The pencil holder blade is only used for cutting a pencil rod, and the pen point grinding sheet is used for synchronously grinding the pencil lead made of a crisp material, so that the trouble of sudden breakage of the pencil lead made of the crisp material before the completion of cutting is avoided; and the pencil grinding cutter has a novel and unique concept.

Description

A kind of pencil grinding cutter

Affiliated technical field

The utility model relates to a kind of pencil-knife of stationery, particularly relates to a kind of pencil grinding cutter.

Background technology

There is investigation to show; Plain edition pencil-knife on the existing market all is that hilted broadsword cuts pencil, and the pencil-lead carbon-point is a fragile material, and the pencil-lead of fragile material also is not suitable for cutting with the cutter volume; Being everlasting when causing pencil-lead snaps when soon having been cut, and makes us annoyance endlessly.

Summary of the invention

The purpose of the utility model provides a kind of pencil grinding cutter, and the position that pencil is cut into circular cone receives a cutter and acts on simultaneously, and stressed symmetry, balance avoid pencil shaft timber position to produce the material feeding phenomenon, guarantee that pencil-lead is not easy to fracture in working angles.Simultaneously, can also be with the synchronous sharpening of the pencil-lead of fragile material.

To achieve these goals; The utility model adopts following technical scheme: a kind of pencil grinding cutter; Vertically extend an oblique cone knife rest on the knife rest side plane of hand-held disk; The gradient of the blade installed surface of described oblique cone knife rest is parallel to the conical bore working face and cuts a spot of conical bore working face and the vertical row bevel of oblique cone knife rest dorsal part formation chip removal mouth, is fixing penholder blade and nib abrasive disc respectively with two blade screws on the blade installed surface of oblique cone knife rest, blade cutting edge of a knife or a sword mouth directed in orthogonal row bevel; The integral type that described penholder blade and nib abrasive disc equate for sectional dimension; The penholder blade adopts the high rigidity steel disc, and the nib abrasive disc adopts synthetic sand stone mill sheet, and the diameter of present position on the conical bore working face, line of demarcation of penholder blade section and nib abrasive disc section equals the diameter of pencil-lead.

The beneficial effect of the utility model is: the penholder blade only cuts pencil shaft; The nib abrasive disc carries out synchronous sharpening to the pencil-lead of fragile material; The pencil-lead of having avoided fragile material is in the annoyance that snaps when soon having cut; Novel original creation, make simple and conveniently, the scope of application is extensive.

Description of drawings

Fig. 1 is the outward appearance front elevation of the utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the cutaway view of B-B among Fig. 4;

Fig. 4 is the cutaway view of A-A among Fig. 3.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described further: a kind of pencil grinding cutter; Vertically extend an oblique cone knife rest 53 on the knife rest side plane 58 of hand-held disk 55; The gradient of the blade installed surface 65 of described oblique cone knife rest 53 is parallel to conical bore working face 59 and cuts the vertical row bevel 83 formation chip removal mouths 95 of a spot of conical bore working face 59 and oblique cone knife rest 53 dorsal parts; Fixing penholder blade 63 and nib abrasive disc 69 respectively with two blade screws 73 on the blade installed surface 65 of oblique cone knife rest 53; Blade cutting edge of a knife or a sword mouth 68 directed in orthogonal row bevel 83; Both are the equal integral type of sectional dimension described penholder blade 63 and nib abrasive disc 69; Penholder blade 63 adopts the high rigidity steel disc, and nib abrasive disc 69 adopts synthetic sand stone mill sheet, and 63 sections diameters with present position on conical bore working face 59, line of demarcation of 69 sections of nib abrasive discs of penholder blade equal the diameter of pencil-lead.

The course of work of the utility model is following:

The dorsal part of oblique cone knife rest 53 is that vertical row bevel 83 is perpendicular to knife rest side plane 58.

The inboard of oblique cone knife rest 53 is conical bore working faces 59, and circular cone large port 97 diameters that formation is intersected on conical bore working face 59 and plane, bottom side 50 are at 10 millimeters.

The outside of oblique cone knife rest 53 is knife rest faces of cylinder 96, with conical bore working face 59 be concentric axis, diameter is at 30 millimeters.

The top of oblique cone knife rest 53 is that knife rest outer face 56 is parallel to knife rest side plane 58, apart from knife rest side plane 58 at 30 millimeters.

Blade cutting edge of a knife or a sword mouth 68 directed in orthogonal are arranged bevel 83 but are not contacted vertical row bevel 83, and the width that keeps chip removal mouth 95 is between 1 millimeter to 3 millimeters.

Exceeding knife rest outer face 56 after install the blade outer end 66 of penholder blade 63 and nib abrasive disc 69 is 3 millimeters, makes pencil-lead can be ground to pointed cone.Frictional force when annular knurl 57 strengthens operation on the outer rim of hand-held disk 55 between the centre of the palm and the hand-held disk 55.

During use, an end of pencil stretches into from circular cone large port 97, clings to blade cutting edge of a knife or a sword mouth 68; Slowly pencil is done in face of 68 rotations of blade cutting edge of a knife or a sword mouth with respect to hand-held disk 55, the penholder blade cuts pencil shaft, eliminates bits and drains from the vertical row bevel 83 of chip removal mouth 95; Simultaneously, the nib abrasive disc can also be with the synchronous sharpening of the pencil-lead of fragile material, and the pencil-lead of having avoided fragile material is in the annoyance that snaps when soon having cut; Novel original creation, make simple and conveniently, the scope of application is extensive.

Claims

1. pencil grinding cutter; Vertically extend an oblique cone knife rest (53) on the knife rest side plane (58) of hand-held disk (55); The gradient of the blade installed surface (65) of described oblique cone knife rest (53) is parallel to conical bore working face (59) and cuts a spot of conical bore working face (59) and the vertical row bevel (83) of oblique cone knife rest (53) dorsal part formation chip removal mouth (95); The blade installed surface (65) of oblique cone knife rest (53) is gone up and is being fixed penholder blade (63) and nib abrasive disc (69) respectively with two blade screws (73); Blade cutting edge of a knife or a sword mouth (68) directed in orthogonal row bevel (83); Both are the equal integral type of sectional dimension described penholder blade (63) and nib abrasive disc (69); Penholder blade (63) adopts the high rigidity steel disc, and nib abrasive disc (69) adopts synthetic sand stone mill sheet, and the line of demarcation of penholder blade (63) section and nib abrasive disc (69) section conical bore working face (59) upward the diameter of present position equal the diameter of pencil-lead.