Alloy saw blade with long service life

Abstract

The utility model discloses an alloy long-service-life saw blade, and belongs to the technical field of saw blades. Comprising a base body, a center hole and a lightening hole are formed in the base body, and sawteeth are arranged outside the base body; a plurality of groups of sawteeth are arranged; the sawteeth comprise a left cutter body, a base and a right cutter body, and the left cutter body and the right cutter body are distributed on the two sides of the base and fixedly connected. The left cutter body and the right cutter body are made of tungsten steel alloy; a plurality of sets of force unloading grooves are further formed in the base body part, and four sets of sawteeth are arranged between every two adjacent force unloading grooves. The technical problems that cutting is conducted in a single direction, and the strength and hardness of the cutting position need to be guaranteed are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of saw blades and relates to an alloy saw blade with a long service life. Background Art

[0002] Saw blades are a general term for thin circular cutting tools used to cut solid materials. Saw blades can be divided into: diamond saw blades for cutting stone; high-speed steel saw blades for cutting metal materials (not inlaid with carbide blade heads); carbide saw blades for cutting solid wood, furniture, artificial boards, aluminum alloys, aluminum profiles, radiators, plastics, plastic steel, etc. It is an existing technology to add alloy materials to the blade head, and most blade heads are made by adding alloy material powder during sintering. First of all, most of the toothed saw blades are currently processed with single-sided alloys. For example, reference document CN201510013659.5 is a long-life saw blade, which can only be processed and cut on one side; secondly, during cutting, chips are easily deposited on the edge of the saw blade, affecting subsequent cutting.

[0003] In summary, the present invention provides an alloy saw blade with a long service life. Summary of the Invention

[0004] The problem solved by the utility model is to overcome the problem of cutting in a single direction and ensure the strength and hardness at the cutting position.

[0005] In order to solve the above technical problems, the inventors have come up with the technical solution of the present utility model through practice and summary. The present utility model discloses that the basic concept of the technical solution adopted by the present utility model to solve the above technical problems is:

[0006] An alloy long-life saw blade comprises a base body, a center hole and a weight-reducing hole are opened in the base body, and saw teeth are arranged on the outside; the saw teeth are arranged in multiple groups;

[0007] The sawtooth comprises a left blade body, a base and a right blade body, wherein the left blade body and the right blade body are distributed on both sides of the base and are fixedly connected; the left blade body and the right blade body are made of tungsten steel alloy;

[0008] The base portion is further provided with a force unloading groove, and a plurality of force unloading grooves are provided, and four groups of saw teeth are provided between adjacent force unloading grooves.

[0009] Furthermore, the base includes a bottom body and an upper body, the bottom body is fixedly connected to the base, and the upper body is provided on a side of the bottom body away from the base;

[0010] The top length of the bottom body is greater than the length of the upper body.

[0011] Furthermore, the unloading groove includes a straight groove, and an arc hole is opened on the side of the straight groove facing the center hole, and the diameter of the arc hole is greater than the width of the straight groove.

[0012] Furthermore, the length of the saw teeth is 0.5 to 0.7 of the length of the linear groove.

[0013] Furthermore, a V-shaped groove is opened on the outside of the upper body; the weight-reducing holes include large-diameter holes, medium-diameter holes and small-diameter holes with different diameters, and the large-diameter holes, small-diameter holes and medium-diameter holes are distributed in a rectangular shape on the outside of the center hole.

[0014] Furthermore, the base body is provided with a U-shaped groove 1 and a U-shaped groove 2, and the U-shaped groove 1 and the U-shaped groove 2 are distributed on the edge line of the base body and are located between adjacent straight grooves;

[0015] The U-shaped groove 1 and the U-shaped groove 2 are both vertical cross-sections with a middle height greater than the heights of the two sides.

[0016] Furthermore, a heat dissipation groove is provided on the base body. The heat dissipation groove is in an "S" shape, and circular holes are provided at both ends of the groove.

[0017] Beneficial effects

[0018] The utility model has the following advantages:

[0019] (1) The utility model is provided with a left blade body and a right blade body on both sides of the saw teeth, which can realize double-sided cutting, extend the service life of a single saw blade, and ensure the use effect of a single saw blade.

[0020] (2) The present invention provides two sets of U-shaped grooves to separate the cut metal scraps from the saw blade during cutting. The U-shaped grooves have inclined surfaces on both sides, which allow for quick detachment. The unloading grooves can remove stress concentration and reduce local overheating during cutting. An S-shaped heat dissipation groove is provided to ensure heat dissipation during rotation of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0022] Figure 1 This is a front view of Example 1 of the present utility model;

[0023] Figure 2 This is a schematic diagram of the sawtooth structure of Example 1 of the present utility model;

[0024] Figure 3 This is a front view of Example 2 of the present utility model;

[0025] Figure 4 for Figure 3 A magnified view of part A;

[0026] Figure 5 for Figure 3 A cross-sectional view of part B;

[0027] Figure 6 This is a front view of Example 3 of the present utility model.

[0028] In the figure: 1. base; 2. center hole; 3. serration; 4. straight groove; 5. arc hole; 6. large diameter hole; 7. medium diameter hole; 8. small diameter hole; 9. U-shaped groove 1; 10. U-shaped groove 2; 11. heat dissipation groove; 12. position circular hole; 31. left blade body; 32. base; 33. right blade body; 321. bottom body; 322. upper body. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] The application principle of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0031] Example 1

[0032] like Figure 1 and 2 The figure shows an embodiment of the present invention, an alloy long-life saw blade, comprising a base 1, a center hole 2 and a weight-reducing hole are opened in the base 1, and saw teeth 3 are arranged on the outside; the saw teeth 3 are provided in multiple groups;

[0033] The sawtooth 3 includes a left blade body 31, a base 32 and a right blade body 33. The left blade body 31 and the right blade body 33 are distributed on both sides of the base 32 and are fixedly connected. The left blade body 31 and the right blade body 33 are made of tungsten steel alloy.

[0034] The base body 1 is also provided with a plurality of unloading grooves, and four groups of saw teeth 3 are provided between adjacent unloading grooves.

[0035] like Figure 2 As shown, the base 32 includes a bottom body 321 and an upper body 322 . The bottom body 321 is fixedly connected to the base 1 , and the upper body 322 is provided on the side of the bottom body 321 away from the base 1 . The top length of the bottom body 321 is greater than the length of the upper body 322 .

[0036] The unloading groove includes a linear groove 4, and an arc hole 5 is formed on the side of the linear groove 4 facing the central hole 2, and the diameter of the arc hole 5 is larger than the width of the linear groove 4. The length of the serration 3 is 0.5 to 0.7 of the length of the linear groove 4.

[0037] Example 2

[0038] like Figure 3-5 Figure 1 shows another embodiment of the present invention. Based on Example 1, to enhance particle dispersion and heat dissipation during cutting, a V-shaped groove is provided on the outer side of the upper body 322. The weight-reducing holes comprise a large-diameter hole 6, a medium-diameter hole 7, and a small-diameter hole 8 of varying diameters, arranged in a rectangular pattern outside the center hole 2. The varying hole diameters not only reduce weight but also allow for insertion of externally mounted lifting rings for batch hoisting of saw blades.

[0039] like Figure 4 As shown, the base 1 is further provided with a U-shaped groove 1 9 and a U-shaped groove 2 10, and the U-shaped groove 1 9 and the U-shaped groove 2 10 are distributed on the edge line of the base 1 and are located between adjacent straight grooves 4; the U-shaped groove 1 9 and the U-shaped groove 2 10 are both vertically cross-sectionally with the middle height being greater than the height of the two sides.

[0040] Example 3

[0041] like Figure 6 As shown, it is another implementation scheme of the present invention. On the basis of Example 2, a heat dissipation groove 11 is further provided on the base 1. The heat dissipation groove 11 is "S"-shaped, and position circular holes 12 are provided at both ends.

[0042] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced therein.

[0043] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An alloy long-life saw blade, characterized in that: The invention comprises a base body (1), a central hole (2) and a weight-reducing hole are provided in the base body (1), and saw teeth (3) are provided on the outside; the saw teeth (3) are provided in multiple groups; The sawtooth (3) comprises a left blade body (31), a base (32) and a right blade body (33), wherein the left blade body (31) and the right blade body (33) are distributed on both sides of the base (32) and are fixedly connected to each other; the left blade body (31) and the right blade body (33) are made of tungsten steel alloy; The base (1) is also provided with a force unloading groove, and multiple groups of force unloading grooves are provided, and four groups of saw teeth (3) are provided between adjacent force unloading grooves.

2. The alloy long-life saw blade according to claim 1, characterized in that: The base (32) comprises a bottom body (321) and an upper body (322), wherein the bottom body (321) is fixedly connected to the base (1), and the upper body (322) is provided on a side of the bottom body (321) away from the base (1); The top length of the bottom body (321) is greater than the length of the upper body (322).

3. The alloy long-life saw blade according to claim 2, characterized in that: The unloading groove comprises a straight groove (4), and an arc-shaped hole (5) is provided on one side of the straight groove (4) facing the central hole (2), and the diameter of the arc-shaped hole (5) is greater than the width of the straight groove (4).

4. The alloy long-life saw blade according to claim 3, characterized in that: The length of the saw teeth (3) is 0.5 to 0.7 of the length of the linear groove (4).

5. The alloy long-life saw blade according to claim 4, characterized in that: A V-shaped groove is provided on the outer side of the upper body (322); the weight-reducing holes include a large-diameter hole (6), a medium-diameter hole (7), and a small-diameter hole (8) having different diameters, and the large-diameter hole (6), the small-diameter hole (8), and the medium-diameter hole (7) are distributed in a rectangular shape on the outer side of the central hole (2).

6. The alloy long-life saw blade according to claim 5, characterized in that: The base (1) is further provided with a U-shaped groove (9) and a U-shaped groove (10), and the U-shaped groove (9) and the U-shaped groove (10) are distributed on the edge line of the base (1) and are located between adjacent straight grooves (4); The U-shaped groove 1 (9) and the U-shaped groove 2 (10) are both vertical sections with the middle height being greater than the heights of the two sides.

7. The alloy long-life saw blade according to claim 6, characterized in that: The base (1) is also provided with a heat dissipation groove (11), which is in an "S" shape and has position circular holes (12) at both ends.

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