CN215431831U

CN215431831U - Novel tooth form of special cutting saw blade for 316 stainless steel round pipe

Info

Publication number: CN215431831U
Application number: CN202121807065.9U
Authority: CN
Inventors: 秦家臻; 张启霞
Original assignee: Dalian Haiweiying Technology Co ltd
Current assignee: Dalian Haiweiying Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-07
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a novel special cutting saw blade tooth form for a 316 stainless steel circular tube, which comprises a central connecting disc, wherein a saw blade base body is arranged on the periphery of the central connecting disc, a circle of peripheral teeth are arranged on the periphery of the saw blade base body, a connecting through hole is arranged in the middle of the front end and the rear end of the central connecting disc, four fixing through holes are arranged at positions which penetrate through the front end and the rear end of the central connecting disc and are close to the edge, a cutting blade is arranged on one side of the tooth body of the peripheral teeth, a front negative angle is arranged at the tail end of the cutting blade, a rear knife face is arranged at one side of the cutting blade and is close to the upper end, and rear ends and positions close to the tail ends of two adjacent cutting blades are respectively provided with rear staggered tooth grinding and front staggered tooth grinding; the novel special cutting saw blade tooth profile for the 316 stainless steel round pipe ensures the rigidity of the saw blade, reduces the cutting resistance, is convenient for cutting the steel pipe, and avoids the fracture phenomenon of the saw blade under the unstable working condition.

Description

Novel tooth form of special cutting saw blade for 316 stainless steel round pipe

Technical Field

The utility model relates to the field of steel pipe processing, in particular to a novel special cutting saw blade tooth profile for a 316 stainless steel round pipe.

Background

The novel saw tooth adopts a structure that a heat-resistant hard alloy blade is embedded in a high-speed steel substrate, and simultaneously adopts a negative rake angle design to improve the strength of a saw blade cutting edge, and the scheme particularly relates to a novel special cutting saw blade tooth shape for a 316 stainless steel circular tube; the tooth profile of the special cutting saw blade for the existing stainless steel round tube has certain defects to be improved when in use, when the tooth profile of the special cutting saw blade for the existing stainless steel round tube is used, the heat is overlarge during cutting, the saw blade is easy to deform, and the deformed saw blade is easy to cause phenomena of saw blade fragmentation, tooth falling and the like when cutting a workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a novel special 316 stainless steel circular tube cutting saw blade tooth profile, which can effectively solve the problems that the existing special stainless steel circular tube cutting saw blade tooth profile in the background technology has overlarge heat during cutting, the saw blade is easy to deform, the deformed saw blade is easy to crack and fall teeth when cutting a workpiece, and the like.

In order to achieve the purpose, the utility model adopts the technical scheme that:

novel special cutting saw bit profile of tooth of 316 stainless steel pipe, including central connection pad, the saw bit base member is installed to the periphery of central connection pad, and round periphery tooth has been seted up to the periphery of saw bit base member, runs through connect the via hole has been seted up between two parties to the front and back end of central connection pad, runs through four fixed through holes have been seted up to the front and back end of central connection pad and the position that is close to the edge, tooth body one side of periphery tooth is provided with the cutting piece, the end of cutting piece has been seted up preceding negative angle, the position that just is close to the upper end of cutting piece has seted up back side set grinding and preceding side set grinding respectively to the front and back end of cutting piece and the position that is close to the end.

As a further scheme of the utility model, the saw blade matrix is arranged in a circular shape, the outer periphery of the central connecting disc is fixedly connected with the inner periphery of the saw blade matrix, and the four fixing through holes are arranged in a square shape.

As a further scheme of the utility model, the cutting blade and the peripheral teeth are integrally arranged, and two adjacent peripheral teeth are arranged at equal intervals.

As a further scheme of the utility model, the front negative angle is arranged in a range of 15 degrees +/-2 degrees, and the front negative angle and the rear cutter face are arranged in a range of 97 degrees +/-2 degrees.

In a further aspect of the present invention, the back staggered tooth grinding and the front staggered tooth grinding are alternately arranged, and the tooth body of the peripheral tooth is provided with an inclined surface having the same inclination angle as the back staggered tooth grinding and the front staggered tooth grinding.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the cutting blade is arranged, the front negative angle and the rear tool face are arranged on the side face and the top end of the cutting blade, the front negative angle 8 is controlled to be arranged at 15 degrees +/-2 degrees, and the front negative angle and the rear tool face are arranged at an included angle of 97 degrees +/-2 degrees, so that the strength of the cutting edge is improved through the arrangement, the cutting edge can be protected from being damaged when an unstable working condition occurs in the machining process, and the saw blade is prevented from being cracked;

by setting the rear staggered tooth grinding and the front staggered tooth grinding, and setting the rear staggered tooth grinding and the front staggered tooth grinding to be arranged alternately, and setting inclined planes with the same inclination angles as the rear staggered tooth grinding and the front staggered tooth grinding on the tooth body of the peripheral teeth, when the peripheral teeth are matched with the cutting blade to cut the steel pipe, a method for grinding the peripheral teeth is adopted, and the saw blade subjected to staggered tooth grinding reduces the contact area with a workpiece during processing, so that the cutting resistance is reduced, and the steel pipe can be conveniently cut.

Drawings

FIG. 1 is a schematic view of the overall structure of the tooth profile of the novel 316 stainless steel round tube special cutting saw blade of the present invention;

FIG. 2 is an enlarged view of the area A in FIG. 1 of the tooth profile of the novel 316 stainless steel round tube special cutting saw blade of the present invention;

FIG. 3 is a schematic structural view of the peripheral teeth and the cutting blades of the novel 316 stainless steel round tube special cutting saw blade tooth profile.

In the figure: 1. a central connecting disc; 2. a connecting through hole; 3. a fixing through hole; 4. a saw blade substrate; 5. peripheral teeth; 6. cutting blades; 7. a flank face; 8. a positive negative angle; 9. grinding the rear staggered teeth; 10. and grinding the front staggered teeth.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a novel special cutting saw blade tooth profile for 316 stainless steel round tubes comprises a central connection disc 1, a saw blade base body 4 is installed at the periphery of the central connection disc 1, a circle of peripheral teeth 5 are arranged at the periphery of the saw blade base body 4, a connecting through hole 2 is arranged between the front end and the rear end of the central connection disc 1, four fixing through holes 3 are arranged at the positions, close to the edge, of the front end and the rear end of the central connection disc 1, a cutting blade 6 is arranged on one side of the tooth body of the peripheral teeth 5, a front negative angle 8 is arranged at the tail end of the cutting blade 6, a rear knife face 7 is arranged at one side of the cutting blade 6 and close to the upper end, and rear staggered teeth grinding 9 and front staggered teeth grinding 10 are respectively arranged at the positions, close to the tail end, of the adjacent two cutting blades 6.

In this scheme, for the convenience of the installation of saw bit, saw bit base member 4 is circular setting, and the periphery of central connection pad 1 and the interior week fixed connection of saw bit base member 4, and four fixed through-hole 3 are the square and arrange the setting.

In this scheme, for the stability of reinforcing cutting piece 6 and be convenient for cut the steel pipe, cutting piece 6 is an organic whole with periphery tooth 5 and sets up, and is the equidistance setting between two adjacent periphery teeth 5.

In this scheme, in order to improve the intensity of cutting edge, preceding negative angle 8 is 15 +/-2 settings, and preceding negative angle 8 is 97 +/-2 contained angles settings with flank 7.

In this embodiment, in order to reduce the cutting resistance as much as possible while ensuring the rigidity of the saw blade, the rear staggered tooth thinning 9 and the front staggered tooth thinning 10 are alternately arranged, and the tooth body of the peripheral tooth 5 is provided with an inclined surface having the same inclination angle as the rear staggered tooth thinning 9 and the front staggered tooth thinning 10.

The utility model is characterized in that the novel special cutting saw blade tooth profile for 316 stainless steel round tubes is characterized in that in the production process, a front negative angle 8 and a rear knife face 7 are arranged on the side face and the top end of a cutting blade 6, the front negative angle 8 is controlled to be 15 degrees +/-2 degrees, the front negative angle 8 and the rear knife face 7 are arranged at an included angle of 97 degrees +/-2 degrees, rear staggered tooth grinding 9 and front staggered tooth grinding 10 are arranged in an alternating arrangement, an inclined plane with the same inclination angle as the rear staggered tooth grinding 9 and the front staggered tooth grinding 10 is arranged on the tooth body of a peripheral tooth 5, when the novel special cutting saw blade tooth profile is used, a saw blade base body 4 is installed on cutting equipment through a connecting through hole 2 arranged on a central connecting disc 1 and matched with a fixing through hole 3, and when the cutting is carried out, the peripheral tooth 5 and the cutting blade 6 are used for cutting steel tubes.

According to the utility model, the cutting blade 6 is arranged, the front negative angle 8 and the rear tool face 7 are arranged on the side surface and the top end of the cutting blade 6, the front negative angle 8 is controlled to be arranged at 15 degrees +/-2 degrees, and the front negative angle 8 and the rear tool face 7 are arranged at an included angle of 97 degrees +/-2 degrees, so that the strength of the cutting edge is improved through the arrangement, the cutting edge can be protected from being damaged when an unstable working condition occurs in the machining process, and the saw blade is prevented from being cracked; by arranging the rear staggered tooth grinding 9 and the front staggered tooth grinding 10 and arranging the rear staggered tooth grinding 9 and the front staggered tooth grinding 10 in an alternate arrangement, and arranging inclined planes with the same inclination angles as the rear staggered tooth grinding 9 and the front staggered tooth grinding 10 on the tooth body of the peripheral tooth 5, when the peripheral tooth 5 is matched with the cutting blade 6 to cut the steel pipe, a peripheral tooth staggered tooth grinding method is adopted, and the contact area with a workpiece is reduced during processing through a saw blade subjected to staggered tooth grinding, so that the cutting resistance is reduced, and the steel pipe can be conveniently cut.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Novel special cutting saw bit profile of 316 stainless steel pipe, its characterized in that: including central connection pad (1), saw bit base member (4) are installed to the periphery of central connection pad (1), and round periphery tooth (5) have been seted up to the periphery of saw bit base member (4), run through connect the via hole (2) have been seted up between two parties to the front and back end of central connection pad (1), run through the front and back end of central connection pad (1) and be close to the position on edge and seted up four fixed through hole (3), tooth body one side of periphery tooth (5) is provided with cutting piece (6), preceding negative angle (8) have been seted up to the end of cutting piece (6), back knife face (7) have been seted up to one side of cutting piece (6) and the position that is close to the upper end, adjacent two back side feed dog tooth coping (9) and preceding side feed dog tooth (10) have been seted up respectively to the front and back end of cutting piece (6) and the position that is close to the end.

2. The novel 316 stainless steel round tube special cutting saw blade profile of claim 1, which is characterized in that: the saw blade base body (4) is arranged in a circular mode, the periphery of the central connecting disc (1) is fixedly connected with the inner periphery of the saw blade base body (4), and the four fixing through holes (3) are arranged in a square mode.

3. The novel 316 stainless steel round tube special cutting saw blade profile of claim 1, which is characterized in that: the cutting blade (6) and the peripheral teeth (5) are integrally arranged, and two adjacent peripheral teeth (5) are arranged at equal intervals.

4. The novel 316 stainless steel round tube special cutting saw blade profile of claim 1, which is characterized in that: the front negative angle (8) is arranged at 15 degrees +/-2 degrees, and the front negative angle (8) and the rear cutter face (7) are arranged at an included angle of 97 degrees +/-2 degrees.

5. The novel 316 stainless steel round tube special cutting saw blade profile of claim 1, which is characterized in that: the back staggered tooth grinding (9) and the front staggered tooth grinding (10) are arranged alternately, and the tooth body of the peripheral tooth (5) is provided with an inclined plane with the same inclination angle as the back staggered tooth grinding (9) and the front staggered tooth grinding (10).