CN214236572U - Spiral tooth dental knife saw blade - Google Patents

Abstract

The utility model discloses a spiral tooth dental scalpel saw bit, including body and the even sawtooth of setting on the body, the central authorities department of body is equipped with the shaft hole, the locating hole that the diameter is less than the shaft hole is still worn to be equipped with by the shaft hole next door, the sawtooth includes the dentition and locates the prong at dentition top, the bottom fixed connection body of dentition, the top surface of dentition and the bottom surface of dentition stagger each other, the preceding terminal surface of dentition is tangent with the preceding terminal surface of prong, the rear end face of dentition is the obtuse angle with the contained angle of the rear end face of prong, be equipped with the chip groove between per two dentitions, the equidistant a plurality of dentitions that are equipped with of prong, be equipped with the opening between per two dentitions. The utility model discloses a heliciform dentiform reinforcing saw bit's chip removal ability cooperates tooth simultaneously and can also attack the tooth when being favorable to carrying out the blank, thereby function two unifications improve holistic cutting rate, and long service life.

Description

Spiral tooth dental knife saw blade

Technical Field

The utility model relates to a processing cutter technical field specifically says to a helical tooth dental knife saw bit.

Background

A saw blade is a cutting tool, which is a general name of a thin circular cutter for cutting solid materials, and can be divided into: a high speed steel saw blade for cutting metal material; the hard alloy saw blade is used for cutting solid wood, furniture, artificial boards, aluminum alloy, aluminum profiles, radiators, plastics, stainless steel and the like. In the prior art, for a circular saw blade with a certain thickness, the chip removal capacity and the heat dissipation capacity are poor, so that inconvenience is brought to production and processing, the service life of the saw blade is short, the single design efficiency is low, the strength is not enough, and the durability is poor.

Moreover, most of the saw teeth of the circular saw blade adopt a straight saw cutting edge, and the saw cutting edge is in surface contact with a workpiece, so that the generated positive stress is quite large, and quite large load is caused on the saw cutting edge. Therefore, noise is easy to generate during cutting, the workpiece is influenced by the vibrating cutter to reduce the processing quality and precision, the service life of the circular saw blade is shortened, the cutting speed is slow, the processing time is long, and the production speed cannot be effectively increased. The saw teeth are of a sharp tooth-shaped structure, and when the structure bears cutting stress, the saw teeth are easy to crack and damage, so that the integral cutting rate cannot be effectively improved.

SUMMERY OF THE UTILITY MODEL

To the technical defect who exists among the background art, the utility model provides a helical tooth dental scalpel saw bit has solved above-mentioned technical problem and has satisfied the actual demand, and concrete technical scheme is as follows:

the utility model provides a spiral tooth dental scaler saw bit, includes body and the even sawtooth of setting on the body, the central authorities department of body is equipped with the shaft hole, the outside on shaft hole next door still is equipped with the diameter and is less than the locating hole in shaft hole, the sawtooth includes the tooth body and locates the prong at tooth body top, the bottom fixed connection of tooth body the body, the top surface of tooth body with the bottom surface of tooth body staggers each other, the preceding terminal surface of tooth body with the preceding terminal surface of prong is tangent, the rear end face of tooth body with the contained angle of the rear end face of prong is the obtuse angle, per two be equipped with the chip groove between the tooth body, the equidistant a plurality of teeth that are equipped with of prong, per two be equipped with the opening between the tooth.

As an improvement of the present invention, the front end face of the tooth body is arc-shaped, the rear end face of the tooth body is linear, and the front end face of the tooth body and the rear end face of the tooth body have the same width.

As an improvement of the present invention, the front end face of the tooth tip is tangent to the front end face of the tooth body, and the front end face of the tooth tip is acute-angled with respect to the rear end face of the tooth tip.

As an improvement of the utility model, the shape of opening is arc or V font or U font, the width dimension of opening is less than the width dimension of prong.

As a progress of the present invention, the positioning hole and the thickness dimension of the shaft hole are the same as the thickness dimension of the body, and the width dimensions of the front end face and the rear end face of the saw tooth are the same as the thickness dimension of the body.

As an improvement of the present invention, the bottom of the chip groove is arc-shaped.

The utility model has the advantages of that: the helical tooth serrated knife saw blade has the advantages that the top surface and the bottom surface of the tooth body are staggered, so that the tooth body is helical, the chip removal capacity in work is increased, the chip accumulation is prevented, and meanwhile, the helical tooth body is beneficial to cutting in of sawteeth, and the production speed is increased; simultaneously, the tooth tip of the spiral tooth cutter saw blade is provided with a plurality of teeth, so that the cutting-in of the teeth is facilitated to be easier, the teeth can be attacked to materials through the teeth, the materials are cut and the tapping function is integrated, the whole processing speed is improved, the saw blade is not easy to collapse, and the service life is long. The locating hole can cooperate the shaft hole to fix a position, prevents that the saw bit during operation from taking place the skew, improves the stability of saw bit.

Drawings

Fig. 1 is a front view of a first preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a sawtooth 2 according to a first preferred embodiment of the present invention.

Fig. 3 is a schematic structural view of a tooth tip 4 according to a first preferred embodiment of the present invention.

Fig. 4 is a plan view of a saw tooth 2 according to a first preferred embodiment of the present invention.

Fig. 5 is a sectional view a-a of a first preferred embodiment of the present invention.

Fig. 6 is a front view of a second preferred embodiment of the present invention.

Fig. 7 is a sectional view a-a of a second preferred embodiment of the present invention.

Wherein: the tooth-shaped structure comprises a body 1, a shaft hole 101, a positioning hole 102, an inner ring part 103, sawteeth 2, a tooth body 3, a chip groove 301, a tooth tip 4, teeth 401 and a notch 402.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.

In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Referring to fig. 1-5, as a first preferred embodiment of the present invention, a helical tooth dental knife saw blade comprises a main body 1 and teeth 2 uniformly arranged on the main body 1, the center of the body 1 is provided with a shaft hole 101, the outer side of the shaft hole 101 is also provided with a positioning hole 102 with the diameter smaller than that of the shaft hole 101, the sawtooth 2 comprises a tooth body 3 and a tooth tip 4 arranged at the top of the tooth body 3, the bottom of the tooth body 3 is fixedly connected with the body 1, the top surface of the tooth body 3 and the bottom surface of the tooth body 3 are staggered, the front end surface of the tooth body 3 is tangent with the front end surface of the tooth tip 4, the included angle between the rear end surface of the tooth body 3 and the rear end surface of the tooth tip 4 is an obtuse angle, a chip removal groove 301 is arranged between every two tooth bodies 3, a plurality of teeth 401 are arranged on the tooth tip 4 at equal intervals, and a gap 402 is arranged between every two teeth 401.

Locating hole 102 is located the outside in shaft hole 101, shaft hole 101 is used for fixed this helical tooth dental scalpel saw bit, locating hole 102 can prevent this helical tooth dental scalpel saw bit during operation because external force and take place the skew, is favorable to this helical tooth dental scalpel saw bit to dispel the heat at the during operation simultaneously. The top surface and the bottom surface of the tooth body 3 are staggered with each other, the front end surface and the rear end surface of the tooth body 3 are in a spiral shape, when the spiral tooth cutter saw blade works, scraps can rapidly enter the scrap discharge groove 301 along the spiral surface to be discharged, and the scraps are prevented from being piled and blocked on the spiral tooth cutter saw blade to influence the working efficiency. Tooth point 4 is equipped with a plurality of teeth 401, per two be equipped with the opening between the tooth 401, be favorable to this helical tooth dental knife saw bit more easily when cutting into the material to and attack the tooth to the material, will blank and attack the work efficiency that this helical tooth dental knife saw bit is improved to two unifications of tooth, accelerate cutting speed. And a plurality of teeth 401 are arranged together, so that the teeth are not easy to crack and damage when bearing cutting stress, and the service life of the spiral tooth cutter saw blade is ensured while the efficiency is ensured.

As shown in fig. 2, as a further improvement of the present invention, the front end surface of the tooth body 3 is arc-shaped, the rear end surface of the tooth body 3 is linear, and the width of the front end surface of the tooth body 3 is consistent with the width of the rear end surface of the tooth body 3.

The preceding terminal surface of dentition body 3 is circular-arc, and the rear end face is the linearity, is favorable to incising of dentition body 3.

As shown in fig. 2, as a further development of the present invention, the front end surface of the tooth tip 4 is tangent to the front end surface of the tooth body 3, and the included angle between the front end surface of the tooth tip 4 and the rear end surface of the tooth tip 4 is an acute angle.

Tooth point 4 with tooth body 3 is connected in the same direction as smooth, and the efficiency of cutting into when being favorable to this helical tooth dental knife saw bit blank, the unanimous problem of card material of having avoided of width size further improves operating speed.

As shown in fig. 3, as a further development of the present invention, the shape of the notch 402 is an arc shape, a V shape, or a U shape, and the width of the notch 402 is smaller than the width of the tooth tip 4.

The shape of opening 402 can be full arc, full V font, full U font, does to be other shapes, for example non-full arc, non-full V font non, full U font. The front depth and the back depth of the notch 402 can be consistent or inconsistent, for example, the front depth and the back depth of the notch 402 are different, and the front depth and the back depth are shallow, so that chip removal is facilitated in cutting. Opening 402 be provided with do benefit to tooth 401's sharpness, guide the cutting direction of material simultaneously for work efficiency. The gap 402 is arranged between the two teeth 401, and the number of the gap 402 is less than that of the teeth 401.

As shown in fig. 5, as a further development of the present invention, the thickness of the positioning hole 102 and the shaft hole 101 is the same as the thickness of the body 1, and the width of the front end face and the rear end face of the saw tooth 2 is the same as the thickness of the body 1.

The preceding terminal surface of sawtooth 2 and the width dimension of rear end face with body 1's thickness dimension is unanimous, the locating hole 102 with the thickness dimension of shaft hole 101 with body 1's thickness dimension is unanimous for the both sides face of this helical tooth dental knife saw bit levels smoothly, looks integrated into one piece. The saw blade of the spiral tooth dental knife has smooth contact surface with materials, small friction force and less heat generation when working. Not only the cutting efficiency is higher, but also the service life of the spiral tooth cutter saw blade can be prolonged.

As shown in fig. 1, as a further development of the present invention, the bottom end of the chip groove 301 is arc-shaped.

The bottom of chip groove 301 is circular-arc, makes connection between sawtooth 2 is more in the same direction as smooth pleasing to the eye, as an organic whole.

As shown in fig. 6 and 7, as a second preferred embodiment of the present invention, the number of the positioning holes 102 based on the first preferred embodiment may be one or several, the stability of the present helical tooth dental scalpel blade can be increased by increasing the number of the positioning holes 102, and meanwhile, the plurality of positioning holes 102 can provide better heat dissipation effect. An inner ring part 103 can be additionally arranged on the periphery of the shaft hole 101, and the inner ring part 103 is coated with a hardening coating, so that the strength can be improved, and the service life can be prolonged.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a helical tooth dental scaler saw bit, includes body (1) and even sawtooth (2) of setting on body (1), its characterized in that, the central authorities department of body (1) is equipped with shaft hole (101), the outside of shaft hole (101) still is equipped with the diameter and is less than locating hole (102) of shaft hole (101), sawtooth (2) are including tooth body (3) and prong (4) of locating tooth body (3) top, the bottom fixed connection of tooth body (3) body (1), the top surface of tooth body (3) with the bottom surface of tooth body (3) staggers each other, the preceding terminal surface of tooth body (3) with the preceding terminal surface of prong (4) is tangent, the rear end face of tooth body (3) with the contained angle of the rear end face of prong (4) is the obtuse angle, per two be equipped with chip groove (301) between tooth body (3), prong (4) equidistant being equipped with a plurality of teeth (401), a gap (402) is arranged between every two teeth (401).

2. The helical tooth dental blade as claimed in claim 1, wherein the front end surface of the tooth body (3) is arc-shaped, the rear end surface of the tooth body (3) is linear, and the front end surface of the tooth body (3) and the rear end surface of the tooth body (3) have the same width.

3. The helical tooth dental knife saw blade according to claim 1, characterized in that the front end surface of the tooth tip (4) and the front end surface of the tooth body (3) are tangent, and the included angle between the front end surface of the tooth tip (4) and the rear end surface of the tooth tip (4) is an acute angle.

4. The helical tooth dental saw blade of claim 1, wherein the shape of the notch (402) is an arc shape or a V-shape or a U-shape, and the width dimension of the notch (402) is smaller than the width dimension of the tooth tip (4).

5. The helical-tooth dental saw blade according to claim 1, wherein the thickness dimensions of the positioning hole (102) and the shaft hole (101) are identical to the thickness dimension of the body (1), and the width dimensions of the front end surface and the rear end surface of the saw tooth (2) are identical to the thickness dimension of the body (1).

6. The helical tooth dental knife blade of claim 1, wherein the bottom end of the flute (301) is radiused.

Images