CN206953056U - One kind is integrally formed cylindrical cutting tool - Google Patents

Abstract

The utility model provides one kind and is integrally formed cylindrical cutting tool, it is the cylindrical cutter formed by the curling of integrally formed full wafer metal, in the cambered surface outwardly of the cutter, side by side, multiple cutters tooth are equally spacedly provided with, it is cutting edge pit between adjacent cutter tooth, the outer surface of each cutter tooth and the relative two sides of the cutter tooth are respectively formed the sharp angle as the knife edge.The utility model has the advantage of：It is integrally formed, process is simple；The intensity of cutter is higher than the intensity of tradition row's knife structure；The size of cutter is easily controlled, easy to process.

Description

One kind is integrally formed cylindrical cutting tool

Technical field

The present invention relates to personal-care supplies technical field, and in particular to one kind is integrally formed cylindrical cutting tool and its preparation Method.

Background technology

A kind of hair clipper, there is blade and cutter head, cutter head shear surface is the cutter of arc, and the cutter is by shearing Moving knife and the knife net that with the shape of moving knife matches of the face for arc, the drive device in blade are connected with moving knife, driving moving knife Swung relative to knife net so that the hair driven knife into knife net is sheared.The cylindrical moving knife is by multiple vertical The circular shear blade discharged side by side is formed.

In the preparation process of above-mentioned hair clipper, the preparation of cylindrical moving knife is emphasis and core.Traditional cylinder The preparation method of shape moving knife has following two:

First,

1. first multi-disc identical blade order is interspersed on five principal columns；

2. the spacing of all two adjacent blades of control is equal, then using mechanical force by the hardware between two adjacent blades The pico- compressive strain of post, compel real blade；

3. it is bad to its that blade is there may exist after the urgent reality of blade, or indivedual blade run-off the straights are, it is necessary to using machinery The knife edge of processing method polishing blade ensures that all blades align, and the knife edge is sharp.

2nd,

1. first, multi-disc identical, vertically blade is put into injection mold side by side, is then injected into injection mold molten The plastics fallen；

2. blade is waited to be fixed in injection mold on the plastic cement movable knife rack part of shaping；

3. checking by the blade of mould crimp, it is polished, makes itself and other knife registers, meanwhile, make It is sharp to obtain blade position.

Above-mentioned first method has the disadvantages that：

1st, manufacturing procedure is more, complicated, causes to prepare cost height, yield is low；

2nd, precision size is difficult to control, and it is low to again result in yield.

Above-mentioned second method has the disadvantages that：

1. manufacturing procedure is more and covers miscellaneous, manual operations is needed when blade is put into mould, takes more, cost height；

2. though blade is hidden in plastic cement part, because plastic cement part strength is weaker, blade is easy to come off so that whole knife It is weaker to have intensity.

The content of the invention

It is to solve prior art defect and deficiency, it is an object of the invention to provide a kind of preparation section is few, knife register effect The good new shear surface of fruit is the moving knife of arc.

The purpose of the present invention is achieved through the following technical solutions：

One kind is integrally formed cylindrical cutting tool, it is characterised in that：It is formed by the curling of integrally formed full wafer metal The cutter of cylinder, in the cambered surface outwardly of the cutter, side by side, be equally spacedly provided with multiple cutters tooth, adjacent cutter tooth it Between be cutting edge pit, the outer surface of each cutter tooth and the relative two sides of the cutter tooth are respectively formed as the sharp of the knife edge Angle.

It can be right angle or acute angle that the angle, which is,.

Preferably, the angle at the angle on the both sides of the same cutter tooth is equal.

The present invention also provides a kind of preparation method for being integrally formed cylindrical cutting tool, and it comprises the following steps：

S1, provide one piece of rollable cutter embryo piece into cylinder；

S2, multiple cutting edge pits are uniformly stamped out on the cutter embryo piece so that all two adjacent cutting edge pits Between turn into multiple cutter tooth embryos；

S3, the cutter embryo piece punching press is flexed into cylindrical idiosome and fixation；

S4, the outer surface to the cutter tooth embryo are ground so that the surface of each cutter tooth embryo and the cutter tooth The relative two sides of embryo are respectively formed the sharp angle as the knife edge.

Optionally, in the S2, multiple cutting edge pits are equably vertically stamped out on the cutter embryo piece so that The angle that formation is ground in the S4 is right angle.

Preferable another scheme is, further comprising the steps of between the S2 and S3：

SA, the estimated side or two as the cutter tooth embryo inner surface in the one side of cutter inner surface by the cutter tooth embryo piece The direction on lateral another surface of cutter tooth embryo stamps out one or two hypotenuse respectively, in the side of the cutter tooth embryo inner surface Or both sides form oblique angle, so that the width of cutter tooth embryo inner surface is less than the outer surface of cutter tooth embryo, finally to grind in S4 At least one in the described sharp angle of the cutter tooth both sides of formation is acute angle.

It is furthermore preferred that in the SA, by the estimated as the cutter tooth embryo in the one side of cutter inner surface of the cutter tooth embryo piece The direction on the both sides of inner surface towards another surface of cutter tooth embryo stamps out two hypotenuses respectively, and two hypotenuses are relative to described The axisymmetrical of cutter tooth embryo.

Preferably, in the S4, the outer surface of the cutter tooth embryo is ground using centreless grinding.

Preferably, in the S3, the edge by the docking of the cutter embryo piece by the way of laser welding is fixed.

Relative to prior art, the advantage of the invention is that：

1. being integrally formed, process is simple；

2. the intensity of cutter is higher than the intensity of tradition row's knife structure；

3. tool dimension is easily controlled, easy to process.

Brief description of the drawings

Fig. 1 and Fig. 2 is dimensional structure diagram and the decomposition texture signal using the cutter of the embodiment of the present invention one respectively Figure；

Fig. 3 is the dimensional structure diagram of the cutter of the embodiment of the present invention one；

Fig. 4 to Fig. 9 is each step schematic diagram of the cutter preparation method of the embodiment of the present invention two respectively.

Embodiment

Embodiment one：

The present embodiment provides one kind and is preferably integrally formed cylindrical cutting tool, and as shown in Figures 1 and 2, it is applied to one kind In hair clipper, the hair clipper includes blade 1 and cutter head 2, and cutter head 2 includes moving knife 21 and stationary knife 22, and moving knife 21 is band There is the cylindrical cutting tool of cambered surface shear surface, stationary knife 22 is the knife net for being fixedly installed on cylindrical cutting tool outer surface, and the end of blade 1 is set There is the drive device being connected with cylindrical cutting tool 21, it is driven by the power system inside blade 1 so that the phase of cylindrical cutting tool 21 Moved back and forth for the knife net 22, the hair for stretching into knife net 22 is cut off.

As shown in figure 3, the cylindrical cutting tool of the present embodiment is to be formed by the curling of integrally formed full wafer metal, the cylinder In the cambered surface outwardly of shape cutter 21, side by side, multiple cutters tooth 211 are equally spacedly provided with, are cutting edge between adjacent cutter tooth 211 Pit, as shown in figure 4, the outer surface of each cutter tooth 211 and the relative two sides of the cutter tooth are respectively formed as the knife edge Sharp acute angle 212, moreover, the angle of the acute angle 212 on the both sides of the same cutter tooth 211 is equal；The horizontal stroke of each cutter tooth 211 Section is base in upper triangle or up big and down small isosceles trapezoid.

Above is preferred embodiment, in fact, the core concept of the present embodiment is：Cutter is integrally formed, cutter tooth Both sides it is sharp, in the friction of the inner surface with knife net, it is possible to achieve hair shear.Therefore, the appearance of each cutter tooth Face and the relative two sides of the cutter tooth can also form right angle, as long as the angle at right angle is sharp；It can also be：It is same The outer surface of cutter tooth and the one side of the cutter tooth form right angle, and form sharp acute angle with the another side of the cutter tooth.So, Can is not base in upper triangle in the cross section of cutter tooth, can also be right-angled trapezium or rectangle yet.

Embodiment two：

The present embodiment provides a kind of method for being used to prepare the cylindrical cutting tool of the preferred embodiment in embodiment one, its Comprise the following steps：

The 1st, one piece of rollable cutter embryo piece into cylinder is provided；

2nd, multiple cutting edge pits 11 are uniformly stamped out on the cutter embryo piece 10 so that all adjacent two cutting edges holes Turn into multiple cutter tooth embryos 12 between groove 11：In the step, it is preferred that multiple cutting edge pits 11 are that spacing is equal, neat and well spaced Neat arrangement, the length of cutting edge pit 11 positioned at the center of cutter embryo piece 10 is maximum, and the length of cutting edge pit 11 positioned at both ends is minimum, and Multiple cutting edge pits 11 are in coaxial-symmetrical so that in the shear surface in cambered surface of the cylindrical cutting tool after being made, middle part Cutter tooth is most long, and shear ability is most strong, mutually agrees with the use habit of people, moreover, being advantageous to rigidity and the life-span of cutter, specifically Structure is as shown in Figure 5；

3rd, it is the structural representation of the cutter embryo piece made by the 3rd step referring to Fig. 6 and Fig. 7, Fig. 6, Fig. 7 is A portions in Fig. 6 The mplifying structure schematic diagram divided：By the estimated as each cutter tooth embryo in the one side of cutter inner surface of the cutter tooth embryo piece 10 The direction on the both sides of 12 inner surface towards another surface of cutter tooth embryo 12 stamps out two hypotenuses 13 respectively, two hypotenuses 13 Relative to the axisymmetrical of the cutter tooth embryo 12, two symmetrical oblique angles are formed in the both sides of the inner surface of cutter tooth embryo 12, so that Width of the width less than the outer surface of cutter tooth embryo 12 of the inner surface of cutter tooth embryo 12 is obtained, now, as shown in figure 8, the horizontal stroke of cutter tooth embryo 12 Section is superposed rectangle 121, and correspondence position is cutter tooth embryo downwardly certain thickness scope, and, positioned at bottom Isosceles triangle 122 (can also be the up big and down small isosceles bodily form) of the base in upper drift angle under, correspondence position is cutter tooth The upward certain thickness scope of embryo inner surface；

4th, the cutter embryo piece 10 is flexed into cylindrical idiosome 20 according to the estimated punching press of the 3rd step, and passes through Laser Welding The edge that the mode connect is docked is fixed, so that cutter embryo piece 10, which is fixed, turns into cylindrical idiosome 20, referring to Fig. 9；

5th, referring to Fig. 3 and Fig. 4, the outer surface using centreless grinding to the cutter tooth embryo 12 on the cylindrical idiosome 20 It is ground to form cutter tooth 211, now, the rectangular layer 121 in the 3rd step on the cross section of each cutter tooth embryo 12 is worn away, only surplus Gable 122 (or described isosceles trapezoid part) so that the outer surface of each cutter tooth 211 is relative with the cutter tooth 211 Two sides be respectively formed sharp acute angle 212 as the knife edge, the cross section for finally causing each cutter tooth 211 is that base exists On isosceles triangle, and two base angles of triangle are sharp (or can also be up big and down small isosceles trapezoid).

It is corresponding with embodiment one, above is preferred embodiment, in fact, the outer surface of each cutter tooth and the knife The relative two sides of tooth can also form right angle, as long as the angle at right angle is sharp, then, in the preparation, above-mentioned After 2nd step, it can directly implement the 4th step, the 5th step is ground to the outer surface of the cutter tooth embryo afterwards, it is therefore an objective to so that The surface of each cutter tooth embryo and the relative two sides of the cutter tooth embryo be respectively formed as the knife edge sharp right angle i.e. Can；It can also be：After above-mentioned 2nd step, in the 3rd step, by the estimated one side as cutter inner surface of the cutter tooth embryo piece On the direction on side towards another surface of cutter tooth embryo of inner surface of each cutter tooth embryo stamp out a hypotenuse, so make Must be after the grinding of above-mentioned 5th step, the outer surface of same cutter tooth and the one side of the cutter tooth form right angle, and another with the cutter tooth Side forms sharp acute angle.

It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, Various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention It should be determined by the appended claims.

Claims (4)

1. one kind is integrally formed cylindrical cutting tool, it is characterised in that：It is the circle formed by the curling of integrally formed full wafer metal The cutter of cylindricality, in the cambered surface outwardly of the cutter, side by side, multiple cutters tooth are equally spacedly provided with, between adjacent cutter tooth For cutting edge pit, the outer surface of each cutter tooth and the relative two sides of the cutter tooth are respectively formed as the sharp of the knife edge Angle.

2. cutter according to claim 1, it is characterised in that：The angle is right angle or acute angle.

3. cutter according to claim 2, it is characterised in that：The angle phase at the angle on the both sides of the same cutter tooth Deng.

4. cutter according to any one of claims 1 to 3, it is characterised in that：After the integrally formed full wafer metal curling, Its edge docked is fixed by way of laser welding.