CN201783683U

CN201783683U - Single-edge cutting tool

Info

Publication number: CN201783683U
Application number: CN2010205256454U
Authority: CN
Inventors: 林炳达
Original assignee: TOPGREEN TECHNOLOGY Co Ltd
Current assignee: TOPGREEN TECHNOLOGY Co Ltd
Priority date: 2010-09-13
Filing date: 2010-09-13
Publication date: 2011-04-06
Anticipated expiration: 2020-09-13

Abstract

The utility model relates to a single-edge cutting tool, which comprises a drill body portion with one end connected with a clamping rod portion. A circular center is formed at the highest point of the top end of the drill body portion, a longitudinal edge portion is formed with the circular center as a vertex, a blade angle is formed at the connecting position of the longitudinal edge portion with the outer circumference of the drill body portion, a downwardly slanting cutting surface is formed on the longitudinal edge portion in the clockwise direction with the circular center as a vertex, a first ridge is formed at the connecting position of the longitudinal edge portion with the cutting surface, a conical surface is downwardly formed on the cutting surface in the clockwise direction with the circular center as a vertex, a second ridge is formed at the connecting position of the cutting surface with the conical surface, and the conical surface extends on the drilling portion to a spiral shape with two scrap discharging ditches with different curvatures. When in use, the single-blade cutting tool can reduce instability in cutting process, avoids damage on an edge of the cutting tool, and improves scrap discharging capacity of the cutting tool.

Description

Hilted broadsword mouth cutting tool

Technical field

The utility model is about a kind of hilted broadsword mouth cutting tool, adopts the design of hilted broadsword mouth to strengthen cutting power and to avoid the cutting tool of edge of a knife loss especially in regard to a kind of.

Background technology

See also Fig. 4, shown in Figure 5, existing cutting tool comprises a supporting rod portion 90, and form a drill body part 91 in a side of supporting rod portion 90, drill body part 91 is provided with two chip discharge gutters 93, and in 93 blade portion 92 that form cutting of chip discharge gutter, blade portion 92 forms the end face 94 of inclination downwards at the free end peak of drill body part 91, and both ends of the surface 94 adjoiners form a crest line 95.

Wherein, existing cutting tool is when carrying out cutting operation, can contact with the surface of thing to be cut with the crest line 95 that its end face 94 forms in advance, cutting tool is when rotating cutting, crest line 95 there is no cutting power, make between cutting tool and rapidoprint and produce high-speed friction, easily causing adding the vertical strength of cutting tool in man-hour increases and produces unsettled rotation and rock, make the bore position precise decreasing, and this design is to cut with 92 pairs of rapidoprints of two blade portion, during cutting if machined object is two kinds of unlike materials, and during each blade portion 92 contact different materials, because of the stress difference that produces, also make cutting tool produce the phenomenon that rotation is rocked easily; And this kind design has a plurality of blade portion 92 and end face 94, is processed to form time-consuming taking a lot of work on the fabrication schedule of a plurality of blade portion 92 and end face 94; And the helical form chip discharge gutter 93 of this kind design, the curvature of its groove is identical, make and add the not easy fracture discharge of chip that man-hour, machined object was produced, cause the blade portion 92 of cutting tool when cutting, can be subjected to great cutting resistance, not only influence the efficient of machining, cause cutting tool overheated and influence intensity and cutting power, and easily when machining, rapidoprint is easy to generate burr, so how this simplifies the processing procedure of cutting tool, and reduce the wastage and strengthen chip and discharge problem, be that this area is eager to think deeply and problem to be solved.

The utility model content

The technical problems to be solved in the utility model is: a kind of hilted broadsword mouth cutting tool is provided, improves the time-consuming and chip of the blade portion procedure for processing of existing cutting tool and discharge inadequately problem fast.

Technical solution of the present utility model is: a kind of hilted broadsword mouth cutting tool is provided, it comprises a supporting rod portion and a drill body part, drill body part is arranged on an end of described supporting rod portion, it is the center of circle on summit that drill body part top peak forms one, and form a planar longitudinal knife oral area, described longitudinal knife oral area has a vertical blade, vertically the round outer radius of blade and drill body part is formed with a basil, vertically form transverse blade between the blade and the center of circle, longitudinal knife oral area rear end is the summit with the center of circle, clockwise direction is formed with a downward-sloping cutting face, longitudinal knife oral area and junction, cutting face form first crest line, the rear end in cutting face is the summit with the center of circle, clockwise direction forms a taper seat downwards, cutting face and taper seat junction form second crest line, and taper seat extends to form spiral helicine chip discharge gutter towards the drill body part of supporting rod portion.

Described hilted broadsword mouth cutting tool, described spiral helicine chip discharge gutter has two grooves, the different and linking mutually of the curvature of described two grooves.

Described hilted broadsword mouth cutting tool, described supporting rod portion forms group connecting part at the side place of drill body part relatively.

Described hilted broadsword mouth cutting tool, chip discharge gutter start at from the center of circle to the groove curvature of 1/5th length be 45 to 50 the degree, the groove curvature from 1/5th length places to tip length be 51 to 60 the degree.

The utility model has the advantages that: hilted broadsword mouth cutting tool is when cutting, the center of circle with drill body part contacts with the machined object surface earlier, the pressure that with the center of circle is the contact point place is concentrated, stable with the interlock of machined object, therefore more can go deep in the machined object, make single longitudinal knife oral area can pierce machined object apace, reduce the unstable of working angles and avoid the damage of longitudinal knife oral area in this cutting tool that the bore position precision can not change; And the chip that cuts can be discharged by the automatic chip breaking of the groove of two kinds of different curvatures with chip breaking function, can reduce the loss in the working angles and avoid chip to discharge untimely situation and take place, and then the cutting power of raising hilted broadsword mouth cutting tool, can bring into play good cutting function, be beneficial to the utilization of industry.

Description of drawings

Fig. 1 is the three-dimensional appearance schematic diagram of a specific embodiment of the utility model hilted broadsword mouth cutting tool.

Fig. 2 is the three-dimensional partial schematic diagram of a specific embodiment of the utility model hilted broadsword mouth cutting tool.

Fig. 3 is the end view of a specific embodiment of the utility model hilted broadsword mouth cutting tool.

Fig. 4 is the three-dimensional appearance schematic diagram of existing cutting tool.

Fig. 5 is the end view of existing cutting tool.

The specific embodiment

Following conjunction with figs. and preferred embodiment of the present utility model, further setting forth the utility model is to reach the technological means that predetermined utility model purpose is taked.

See also Fig. 1 to Fig. 3, be a preferred embodiment of the utility model hilted broadsword mouth cutting tool, it includes a supporting rod portion 10 and a drill body part 20.

One end of supporting rod portion 10 forms group connecting part 11, and on the actuator that drives this hilted broadsword mouth cutting tool rotation, an end of supporting rod portion 10 forms a drill body part 20 in order to winding.

The top peak of drill body part 20 is the summit with the center of circle 21, formation one has the longitudinal knife oral area 22 of certain area, longitudinal knife oral area 22 has a vertical blade 221, vertically blade 221 is formed with a basil 222 with the round outer radius of drill body part 20, vertically 21 in the blade 221 and the center of circle form transverse blade 223, the rear end of longitudinal knife oral area 22 is the summit with the center of circle 21, clockwise direction is formed with the cutting face 23 of a downward-sloping suitable angle, longitudinal knife oral area 22 forms first crest line 224 with the junction in cutting face 23, the rear end in cutting face 23 is the summit with the center of circle 21, clockwise direction forms a taper seat 24 downwards, and cutting face 23 is formed with second crest line 231 with taper seat 24 junctions;

Taper seat 24 has extended to form spiral helicine chip discharge gutter 25 towards the drill body part 20 of supporting rod portion 10, chip discharge gutter 25 is 251,252 formations of groove of two kinds of different curvatures, chip discharge gutter 25 start at from the center of circle to the curvature of 1/5th length grooves 251 can be 45 to 50 the degree, from 1/5th curvatures to tip length groove 252 can be 51 to 60 the degree;

During use, the utility model contacts with the machined object surface with the center of circle 21 of drill body part 20 in advance, make when this cutting tool rotates, longitudinal knife oral area 22 can carry out cutting operation with 21 location, the center of circle, because of the utility model only has the hilted broadsword mouth, so use when the machined object of forming by two kinds of materials, can reduce the unstable of working angles and avoid the damage of the longitudinal knife oral area 22 of this cutting tool, first crest line 224 that longitudinal knife

oral area

22 and 23 junctions, cutting face form, second crest line 231 that cutting face 23 and taper seat 24 junctions form, when 20 pairs of machined objects of drill body part cut, also sustainable machined object is cut;

Spiral helicine chip discharge gutter 25 has the groove 251,252 of two kinds of different curvatures, has the chip breaking function in groove 251,252 curvature turning points, and then improves the cutting power of this hilted broadsword mouth cutting tool;

Above-mentioned hilted broadsword mouth cutting tool can be assembled on the actuator, can be controlled by this actuator and rotate to cut, wherein, this hilted broadsword mouth cutting tool is resisted against the surface of machined object with its garden heart 21, when treating that this hilted broadsword mouth cutting tool rotates, longitudinal knife oral area 22 can pierce machined object smoothly, and the chip under the cutting can be discharged through chip discharge gutter 25.

In sum, the utility model hilted broadsword mouth cutting tool adopts the single longitudinal knife oral area 22 and the design in cutting face 23, process is simplified, and blade portion 22 presents point-like with the way of contact of machined object and contacts, because the initial contact area of this hilted broadsword mouth cutting tool and machined object is little, pressure is more concentrated, make that this single longitudinal knife oral area 22 can be more easily and pierce this machined object fast, reduce loss and avoid idle running, and then promote the cutting power of this hilted broadsword mouth cutting tool, spiral helicine chip discharge gutter 25 is at groove 251,252 curvature turning points have the chip breaking function, the chip of cutting can be discharged fast, more help the utilization of industry, and meet the demand on user and the market.

The above only is a preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, should utilize the technology contents of above-mentioned announcement to make a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1. a hilted broadsword mouth cutting tool is characterized in that, comprises:

One supporting rod portion; And

One drill body part, it is arranged on an end of described supporting rod portion, it is the center of circle on summit that described drill body part top peak forms one, and form a planar longitudinal knife oral area, described longitudinal knife oral area has a vertical blade, vertically the round outer radius of blade and drill body part forms a basil, vertically form transverse blade between the blade and the center of circle, longitudinal knife oral area rear end is the summit with the center of circle, clockwise direction forms a downward-sloping cutting face, longitudinal knife oral area and junction, cutting face form first crest line, the rear end in cutting face is the summit with the center of circle, clockwise direction forms a taper seat downwards, and cutting face and taper seat junction form second crest line, and taper seat extends to form spiral helicine chip discharge gutter towards the drill body part of supporting rod portion.

2. hilted broadsword mouth cutting tool according to claim 1 is characterized in that: described spiral helicine chip discharge gutter has two grooves, the different and linking mutually of the curvature of described two grooves.

3. hilted broadsword mouth cutting tool according to claim 1 and 2 is characterized in that: described supporting rod portion forms group connecting part at the side place of described relatively drill body part.

4. hilted broadsword mouth cutting tool according to claim 3 is characterized in that: described chip discharge gutter start at from the center of circle to the groove curvature of 1/5th length be 45 to 50 the degree, the groove curvature from 1/5th length places to tip length be 51 to 60 the degree.