Anti-collapse combined tooth-shaped circular saw blade

Abstract

The utility model discloses an anti-collapse combined tooth-shaped circular saw blade, and belongs to the field of diamond circular saw blade machining. The saw blade mainly comprises a saw blade body, a plurality of cutting tooth sets are arranged on the outer circumference of the saw blade body, when each cutting tooth set acts on the same tangent plane of a cutting material, the shape of the cutting section of the cutting tooth set is of a smooth transition structure, each cutting tooth set comprises more than two cutting teeth which are sequentially arranged, and the cutting edge of each cutting tooth is of a sawtooth-shaped structure. And tooth peaks and tooth valleys of the sawtooth-shaped structures in the cutting edges of the adjacent cutting teeth are arranged in a staggered manner. According to the utility model, the adjacent cutting teeth with different tooth shapes are combined into one cutting tooth group, and when the cutting tooth group acts on the same section of a cutting material, the shape of the cutting section is of a smooth transition structure, so that when different cutting teeth in the cutting tooth group are used for cutting, the cutting resistance is reduced, the anti-collapse performance of the cutting tooth group is improved, and the service life of the cutting tooth group is prolonged. Therefore, the cut noodles are smoother, and the quality of the cut noodles is improved.

Description

Technical Field

[0001] The utility model belongs to the field of diamond circular saw blade processing, and in particular relates to an anti-collapse combined tooth circular saw blade. Background Art

[0002] Diamond circular saw blades are mainly composed of a saw blade body made of steel plate and diamond cutting teeth that act on the cutting material and play the main cutting role. Figure 1 As shown, the cutting tooth includes a front angle surface 12, and side surfaces 11 are provided on both sides of the front angle surface 12. The side of the cutting tooth away from the saw blade body is a rear angle surface 13. The intersection of the front angle surface 12 and the rear angle surface 13 forms a cutting edge 5. The cutting edge 5 plays a major cutting role, so the cutting edge 5 is the sharpest. According to the different materials of the material to be cut, the cutting edge 5 is usually designed in different shapes.

[0003] For example, a Chinese patent with the authorization announcement number "CN218657117U" discloses an integrated stepped tooth and a combined saw blade thereof, wherein a multi-segment folded-line cutting edge is provided on the saw tooth body, and the multi-segment folded-line cutting edge includes a first cutting edge located in the middle, and both sides of the first cutting edge are even-segment cutting edges 1, and an odd-segment cutting edge 1 is provided on the side of the side edge facing the first cutting edge, and the odd-segment cutting edge 1 is directly connected to the even-segment cutting edge 1 or a stepped edge is provided between the odd-segment cutting edge 1 and the even-segment cutting edge 1. The multi-segment folded-line cutting edge is provided with a stepped edge with multiple corners on the basis of the original trapezoidal edge, which greatly increases the number of tooth tips of the saw tooth and improves the sharpness and chip removal performance of the saw tooth.

[0004] Although the above patent improves the sharpness of the saw teeth, the stepped edge with corners can only be used to cut aluminum profiles with uniform material and no impurities. If it is used to process particleboard with many impurities, such as branches, buds, sawdust and other particles with uneven arrangement, the stepped edge will break. Secondly, the saw teeth have a large cutting resistance when cutting. Once the edge breaks, it will seriously affect the cutting efficiency and the quality of the cut surface, resulting in a shortened service life of the entire circular saw blade. Utility Model Content

[0005] The technical problem to be solved by the utility model is: to overcome the shortcomings of the prior art and provide a chipping-resistant combined toothed circular saw blade, which combines adjacent cutting teeth of different tooth shapes into a cutting tooth group, and when the cutting tooth group acts on the same cutting surface of the cutting material, the cutting cross-sectional shape is a smooth transition structure, so that the cutting resistance of different cutting teeth in the cutting tooth group is reduced during cutting, thereby improving the chipping-resistant performance of the cutting tooth group, thereby making the cutting surface smoother, and further improving the cutting surface quality.

[0006] The anti-collapse combined tooth circular saw blade comprises a saw blade body, and a plurality of cutting tooth groups are arranged on the outer circumference of the saw blade body. When each cutting tooth group acts on the same cutting surface of the cutting material, the cutting cross-sectional shape thereof is a smooth transition structure. The cutting tooth group comprises more than two cutting teeth arranged in sequence, and the cutting edge of each cutting tooth is a serrated structure, and the tooth peaks and tooth valleys of the serrated structure in the cutting edges of adjacent cutting teeth are staggered.

[0007] Preferably, a saw tooth seat is fixed on the outer circumference of the saw blade body, the cutting teeth are welded and fixed on the saw tooth seat, and the tooth peaks and tooth valleys both adopt a smooth transition structure.

[0008] Preferably, the cutting tooth group includes a first cutting tooth and a second cutting tooth arranged in sequence, the cutting edge of the first cutting tooth includes a cutting edge 1 located in the middle, and one or more step edges are respectively provided on both sides of the cutting edge 1, and recessed portions are provided between the cutting edge 1 and the step edges and between adjacent step edges; the cutting edge of the second cutting tooth includes a plurality of tooth peak edges 1 and tooth valley edges 1 connected in sequence, the tooth peak edge 1 corresponds to the recessed portion, and the tooth valley edge 1 corresponds to the cutting edge 1 and / or the step edge.

[0009] Preferably, the cutting tooth group includes a first cutting tooth and more than two second cutting teeth arranged in sequence, the cutting edge of the first cutting tooth includes a cutting edge 1 located in the middle, and one or more step edges are respectively provided on both sides of the cutting edge 1, and recessed portions are provided between the cutting edge 1 and the step edges and between adjacent step edges; the cutting edge of each second cutting tooth includes a plurality of tooth peak edges 1 and tooth valley edges 1 connected in sequence, and the plurality of tooth peak edges 1, the plurality of step edges and / or the cutting edge 1 are staggered to form a smooth transition structure.

[0010] Preferably, the smooth transition structure is composed of at least one arc segment.

[0011] Preferably, there is a smooth transition between adjacent arc segments.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model forms a cutting tooth group with multiple cutting teeth of different tooth shapes, so that when cutting materials, the cutting surface has a smooth transition structure. This structure greatly reduces the cutting resistance, makes the corresponding cutting teeth more resistant to collapse, and the cutting surface after cutting is smoother.

[0014] 2. The tooth peaks and tooth valleys of each cutting tooth adopt a smooth transition structure, that is, the tooth peaks and tooth valleys avoid sharp corners on the cutting edge of each cutting tooth, thereby further reducing the probability of edge chipping and extending the service life of the entire saw blade.

[0015] 3. The utility model can not only cut aluminum profiles with uniform material and no impurities, but also can cut particleboards with more impurities and uneven internal material, and has stronger versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of the cutting tooth;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 is a schematic structural diagram of a cutting tooth group in Embodiment 1;

[0019] Figure 4 is a schematic structural diagram of a cutting tooth group in Embodiment 2;

[0020] Figure 5 is a schematic structural diagram of a cutting tooth group in Embodiment 3;

[0021] Figure 6 is a schematic structural diagram of a cutting tooth group in Embodiment 4;

[0022] Figure 7 It is a schematic diagram of the structure of the cutting tooth group in the fifth embodiment.

[0023] In the figure, 1, cutting tooth; 11, side; 12, front angle surface; 13, rear angle surface; 101, first cutting tooth; 102, second cutting tooth; 103, third cutting tooth; 2, sawtooth seat; 3, saw blade body; 4, smooth transition structure; 5, cutting edge; 501, tooth peak; 502, tooth valley; 503, cutting edge one; 504, step edge; 505, recessed part; 506, tooth peak edge one; 507, tooth valley edge one; 508, tooth peak edge two; 509, tooth valley edge two; 6, cutting material. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings:

[0025] The directional nouns involved in the detailed description paragraphs are only for the convenience of those skilled in the art to understand the technical solutions described in this application according to the visual orientation shown in the accompanying drawings. Unless otherwise clearly specified and limited, the terms "setting", "installation", "connection", etc. should be understood in a broad sense. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] like Figures 1 to 7As shown, an anti-collapse combined tooth circular saw blade includes a saw blade body 3, the saw blade body 3 is a circular structure, a saw tooth seat 2 is fixed on the outer circumference of the saw blade body 3, and a cutting tooth 1 is welded and fixed on the saw tooth seat 2. A plurality of cutting tooth groups are arranged on the outer circumference of the saw blade body 3, and when each cutting tooth group acts on the same cutting surface of the cutting material 6, the cutting cross-sectional shape thereof is a smooth transition structure 4, wherein the cutting tooth group includes more than two cutting teeth 1 arranged in sequence, that is, two or more adjacent cutting teeth 1 form a cutting tooth group, such as Figure 1 As shown, the cutting edge 5 of each cutting tooth 1 is a serrated structure, and the tooth peaks 501 and tooth valleys 502 of the serrated structure in the cutting edges 5 of adjacent cutting teeth 1 are staggered. When the cutting material 6 is cut by a cutting tooth group composed of multiple cutting teeth 1, the cut surface is a smooth transition structure 4. This structure greatly reduces the cutting resistance, making the corresponding cutting teeth 1 more resistant to chipping, and the cut surface after cutting is smoother. The tooth peaks 501 and tooth valleys 502 both adopt a smooth transition structure, that is, the tooth peaks 501 and tooth valleys 502 of each cutting tooth both adopt a smooth transition structure, avoiding sharp corners on the cutting edge 5 of each cutting tooth 1, thereby further reducing the probability of chipping, and thus extending the service life of the entire saw blade.

[0028] like Figure 3 As shown, in this embodiment, each cutting tooth group includes a first cutting tooth 101 and a second cutting tooth 102 arranged in sequence, and the cutting edge 5 of the first cutting tooth 101 includes a cutting edge 1 503 located in the middle, and a step edge 504 is provided on both sides of the cutting edge 1 503, and the height of the cutting edge 1 503 is higher than the height of the step edge 504. Taking the top view of the cutting tooth 1 as a reference, the height is the distance between the cutting edge 5 and the saw blade body 3. A recessed portion 505 is provided between the cutting edge 1 503 and the step edge 504; the cutting edge of the second cutting tooth 102 includes a plurality of tooth peak edges 1 506 and tooth valley edges 1 507 connected in sequence. In this embodiment, there are four tooth peak edges 1 506 and three tooth valley edges 1 507. The tooth peak edges 1 506 correspond to the recessed portion 505, and the tooth valley edges 1 507 correspond to the cutting edge 1 503 and the step edge 504. Therefore, when the cutting tooth group acts on the same cutting surface, the cutting cross-section shape is a smooth transition structure that bulges upward, which reduces the cutting resistance and greatly increases the service life of the circular saw blade.

[0029] Embodiment 2: A circular saw blade with anti-collapse combined teeth, the cutting edge 1503 of the first cutting tooth 101 is an arc edge protruding outward, two step edges 504 are respectively arranged on both sides of the cutting edge 1503, and the cutting edge 1503 is higher than all the step edges 504; the cutting edge of the second cutting tooth 102 includes three tooth peak edges 1506 and two tooth valley edges 1507, the tooth peak edge 1506 located in the middle is higher than the tooth peak edges 1506 on both sides, when the first cutting tooth 101 and the second cutting tooth 102 act on the same cutting surface of the cutting material 6, the smooth transition structure 4 presents a curve structure similar to a parabola. The rest is the same as the embodiment 1.

[0030] Embodiment three:

[0031] A circular saw blade with anti-collapse combined teeth, wherein the cutting edge 503 of the first cutting tooth 101 is an arc-shaped edge that is concave inwards, two step edges 504 are respectively arranged on both sides of the cutting edge 503, and the height of the cutting edge 503 is lower than the step edges 504 adjacent thereto, and the cutting edge of the second cutting tooth 102 is provided with five tooth peak edges 506 and four tooth valley edges 507, and the inwardly concave cutting edge 503 corresponds to the tooth peak edge 506 located in the middle, so that when the first cutting tooth 101 and the second cutting tooth 102 act on the same cutting surface, the smooth transition structure 4 is a smooth peak-shaped structure. The rest is the same as the first embodiment.

[0032] Embodiment 4:

[0033] A circular saw blade with anti-collapse combined teeth, wherein the cutting edge 503 of the first cutting tooth 101 is an upwardly convex arc, and recessed portions 505 formed by arcs are respectively provided on both sides of the cutting edge 503, and one end of the recessed portion 505 away from the cutting edge 503 forms a step edge 504 with the side edge of the first cutting tooth; the second cutting tooth 102 includes a tooth peak edge 506 with a height higher than the cutting edge 503 and the step edge 504 and a tooth valley edge 507 with a height lower than the cutting edge 503 and the step edge 504, so that when the first cutting tooth 101 and the second cutting tooth 102 act on the same cutting surface, the smooth transition structure 4 is a wavy line structure. The rest is the same as the first embodiment.

[0034] Embodiment five:

[0035] A circular saw blade with anti-collapse combined teeth, wherein a cutting tooth group includes three cutting teeth 1, namely a first cutting tooth 101, a second cutting tooth 102 and a third cutting tooth 103, wherein a height of a cutting edge 1 503 in the first cutting tooth 101 is lower than all step edges 504, a cutting edge of the second cutting tooth 102 includes a plurality of tooth peak edges 1 506 and a tooth valley edge 1 507 connected in sequence, a cutting edge of the third cutting tooth 103 includes a plurality of tooth peak edges 2 508 and a tooth valley edge 2 509 connected in sequence, a plurality of tooth peak edges 1 506, a plurality of tooth peak edges 2 508, a plurality of step edges 504, and ... 504 and the cutting edge 1 503 are staggered to form a smooth transition structure 4, which is composed of a plurality of arc segments, and the adjacent arc segments have a smooth transition, that is, when the cutting tooth group acts on the same cutting surface, there is no sharp angle structure on the cutting surface, so that when the circular saw blade is processed, there is no sharp angle on each cutting tooth 1, thereby reducing the probability of chipping, thereby extending the service life of the entire saw blade, and at the same time realizing that the circular saw blade can cut aluminum profiles with uniform material and no impurities, and can also cut particleboards with more impurities and uneven internal material, and has stronger versatility. Others are the same as the first embodiment.

[0036] Finally, although this specification is described according to 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. A chipping-resistant composite toothed circular saw blade, comprising a saw blade body (3), wherein a plurality of cutting tooth groups are arranged on the outer circumference of the saw blade body (3), wherein: When each group of cutting teeth acts on the same cutting surface of the cutting material (6), the cutting cross-sectional shape thereof is a smooth transition structure (4). The cutting tooth group comprises two or more cutting teeth (1) arranged in sequence. The cutting edge (5) of each cutting tooth (1) is a sawtooth structure, and the tooth peaks (501) and tooth valleys (502) of the sawtooth structure in the cutting edges (5) of adjacent cutting teeth (1) are staggered.

2. The anti-collapse combined tooth circular saw blade according to claim 1, characterized in that: A saw tooth seat (2) is fixed on the outer circumference of the saw blade body (3), the cutting teeth (1) are welded and fixed on the saw tooth seat (2), and the tooth peaks (501) and tooth valleys (502) both adopt a smooth transition structure.

3. The anti-collapse combined tooth circular saw blade according to claim 2, characterized in that: The cutting tooth group comprises a first cutting tooth (101) and a second cutting tooth (102) which are arranged in sequence; the cutting edge (5) of the first cutting tooth (101) comprises a cutting edge (503) located in the middle; at least one step edge (504) is respectively arranged on both sides of the cutting edge (503); a recessed portion (505) is arranged between the cutting edge (503) and the step edge (504) and between adjacent step edges (504); and the cutting edge of the second cutting tooth (102) comprises a plurality of tooth peak edges (506) and tooth valley edges (507) which are connected in sequence; the tooth peak edge (506) corresponds to the recessed portion (505), and the tooth valley edge (507) corresponds to the cutting edge (503) and / or the step edge (504).

4. The anti-collapse combined tooth circular saw blade according to claim 2, characterized in that: The cutting tooth group comprises a first cutting tooth (101) and two or more second cutting teeth (102) arranged in sequence, the cutting edge (5) of the first cutting tooth (101) comprising a cutting edge 1 (503) located in the middle, one or more step edges (504) being respectively arranged on both sides of the cutting edge 1 (503), and recessed portions (505) being arranged between the cutting edge 1 (503) and the step edges (504) and between adjacent step edges (504); the cutting edge of each second cutting tooth (102) comprises a plurality of tooth peak edges 1 (506) and tooth valley edges 1 (507) connected in sequence, and the plurality of tooth peak edges 1 (506), the plurality of step edges (504) and / or the cutting edge 1 (503) being arranged in a staggered manner to form a smooth transition structure (4).

5. The anti-collapse combined tooth circular saw blade according to any one of claims 1 to 4, characterized in that: The smooth transition structure (4) is composed of at least one arc segment.

6. The anti-collapse combined tooth circular saw blade according to claim 5, characterized in that: There is a smooth transition between adjacent arc segments.

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