Circular saw blade base body provided with vibration reduction inner cavity and method

Abstract

The invention discloses a circular saw blade base body provided with a vibration reduction inner cavity and a method, solves the problem that the rigidity of a saw blade is reduced due to the arrangement of a vibration reduction groove of the saw blade in the prior art, and has the beneficial effects of effectively absorbing vibration and improving the rigidity of the saw blade. Comprising a first saw blade body and a second saw blade body, the inner side face of the first saw blade body is connected with the inner side face of the second saw blade body, and a damping groove is formed in the inner side face of at least one of the first saw blade body and the second saw blade body so that a circular saw blade base body can be provided with a damping inner cavity; the depth of the vibration reduction grooves is smaller than the thickness of the first saw blade body or the second saw blade body, and when the first saw blade body and the second saw blade body are provided with the vibration reduction grooves, the shapes of the vibration reduction grooves are the same or different, and the arrangement modes of the vibration reduction grooves are the same or different. The first saw blade body and the second saw blade body are both provided with vibration reduction grooves, and when the first saw blade body and the second saw blade body are in butt joint, the vibration reduction grooves are arranged in a staggered mode.

Description

Technical Field

[0001] The invention relates to the field of circular saw blade manufacturing, in particular to a circular saw blade substrate provided with a vibration-damping inner cavity and a method thereof. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] In the field of industrial production and processing, circular saw blades are a commonly used cutting tool, especially in the construction, woodworking, metal processing, stone processing and other industries. However, traditional circular saw blades often generate noise and vibration during use, which not only affects the comfort of the working environment, but also may reduce cutting accuracy and increase the energy consumption of the equipment.

[0004] In the prior art, a vibration-damping groove is designed for the circular saw blade base, but the vibration-damping groove is set through the circular saw blade base, which affects the rigidity of the circular saw blade base, not only affecting the normal use of the circular saw blade base, but also affecting the service life of the circular saw blade base; some vibration-damping grooves cross the circular saw blade base, which also affects the rigidity at the saw teeth, and affects the overall balance of the saw blade during the rotation of the circular saw blade base. Summary of the invention

[0005] In view of the deficiencies in the prior art, an object of the present invention is to provide a circular saw blade base having a vibration-damping inner cavity, which can effectively reduce the problems of high noise and obvious vibration during the use of the circular saw blade base while ensuring the rigidity of the circular saw blade base.

[0006] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0007] A circular saw blade base with a vibration-damping inner cavity, comprising a first saw blade body and a second saw blade body, the inner side surface of the first saw blade body and the inner side surface of the second saw blade body being connected, a vibration-damping groove is provided on the inner side surface of at least one of the first saw blade body and the second saw blade body so that a vibration-damping inner cavity is formed inside the circular saw blade base, and the depth of the vibration-damping groove is less than the thickness of the first saw blade body or the second saw blade body;

[0008] When the first saw blade body and the second saw blade body are both provided with vibration-damping grooves, the shapes of the vibration-damping grooves of the two are the same or different, and the arrangement modes of the vibration-damping grooves of the two are the same or different;

[0009] The first saw blade body and the second saw blade body are both provided with vibration-damping grooves. When the first saw blade body and the second saw blade body are butted together, the vibration-damping grooves of the two are staggered or symmetrically arranged about the butt joint surface of the two.

[0010] As described above, the circular saw blade base, the vibration-damping groove is arranged on the inner side surface of the first saw blade body or the second saw blade body, that is, the surface connected to the other saw blade body, so that a vibration-damping inner cavity is formed inside the circular saw blade base, which effectively reduces noise and vibration during use. The vibration-damping groove does not pass through the corresponding saw blade body. When the first saw blade body and the second saw blade body are both provided with vibration-damping grooves, the vibration-damping grooves of the two saw blade bodies are staggered or symmetrically arranged, so that after the two saw blade bodies are connected, the thickness of the circular saw blade base in the vibration-damping groove will not be too small, thereby effectively ensuring the rigidity and strength of the circular saw blade base.

[0011] As described above, in a circular saw blade base with a vibration-damping inner cavity, a plurality of vibration-damping grooves are arranged in a dot matrix along the circumferential direction of the first saw blade body or the second saw blade body, and an interval of a set angle is set between two adjacent vibration-damping grooves. While ensuring the number of vibration-damping grooves, the rigidity of the circular saw blade base is effectively guaranteed.

[0012] A circular saw blade substrate provided with a vibration-damping inner cavity as described above, wherein when the vibration-damping grooves are arranged in a dot matrix, the shapes of two adjacent vibration-damping grooves are the same or different;

[0013] When the shapes of two adjacent vibration-damping grooves are different, two adjacent vibration-damping grooves of the same shape are arranged at the same angle.

[0014] As described above, in a circular saw blade base with a vibration-damping inner cavity, when the vibration-damping grooves are arranged in a dot matrix, the vibration-damping grooves are one or more of circular, triangular, fan-shaped, trapezoidal, circular, square, groove-shaped or bow-shaped. When a plurality of vibration-damping grooves of different shapes are arranged circumferentially on the first saw blade body or the second saw blade body, the shapes of two adjacent vibration-damping grooves are different.

[0015] As described above, in a circular saw blade substrate with a vibration-damping inner cavity, the vibration-damping groove is filled with damping material. During the use of the circular saw blade substrate, the damping material can effectively absorb vibration, better block the vibration propagation, and help reduce the vibration energy of the circular saw blade substrate.

[0016] As described above, a circular saw blade substrate with a vibration-damping inner cavity is provided, wherein a plurality of vibration-damping grooves are provided, and the plurality of vibration-damping grooves are arranged in a grid shape so that the plurality of vibration-damping grooves form a grid-like texture structure. The size of the vibration-damping grooves in the grid-like texture structure is relatively small, which will not affect the rigidity of the circular saw blade substrate, and can effectively reduce the noise and vibration generated during use.

[0017] In the circular saw blade base body provided with a vibration-damping inner cavity as described above, when the number of the vibration-damping grooves provided in the first saw blade body or the second saw blade body is less than 10, the distance between the outer side surface of the vibration-damping groove and the bottom surface of the saw teeth of the circular saw blade base body is 1 / 7-1 / 3 of the radius of the first saw blade body, so as to ensure the distance between the vibration-damping groove and the saw teeth, and to avoid the vibration-damping groove being too close to the saw teeth and affecting the rigidity of the circular saw blade base body at the saw teeth;

[0018] Because a mounting hole is set in the center of the circular saw blade base, the distance between the inner side of the vibration damping groove and the central axis of the first saw blade body or the second saw blade body is 1 / 7-1 / 2 of the radius of the first saw blade body. This avoids the distance between the inner side of the vibration damping groove and the mounting hole being too small, affecting the strength of the circular saw blade base at the mounting hole.

[0019] In a circular saw blade base with a vibration-damping inner cavity as described above, when the number of vibration-damping grooves provided in the first saw blade body or the second saw blade body is less than 10, the distance between the inner side surface of the vibration-damping groove and the central axis of the first saw blade body or the second saw blade body is greater than the distance between the outer side surface of the vibration-damping groove and the bottom surface of the saw teeth.

[0020] In the circular saw blade base body provided with a vibration-damping inner cavity as described above, the vibration-damping groove is provided with at least one circle along the circumferential direction of the first saw blade body or the second saw blade body, and the provision of the annular vibration-damping groove ensures the designed area of ​​the vibration-damping groove;

[0021] When multiple circles of vibration-damping grooves are provided, the width of each vibration-damping groove is 1 / 15-1 / 10 of the radius of the first saw blade body or the second saw blade body, and the distance between two adjacent circles of vibration-damping grooves is greater than the width of the vibration-damping grooves to avoid the distance between the two vibration-damping grooves being too close and affecting the strength of the circular saw blade base.

[0022] In a second aspect, the present invention further provides a method for processing a circular saw blade substrate provided with a vibration-damping inner cavity, comprising the following contents:

[0023] processing a first saw blade body and a second saw blade body;

[0024] Processing a vibration-damping groove on at least one of the first saw blade body and the second saw blade body, and when both the first saw blade body and the second saw blade body are provided with the vibration-damping groove, the shapes of the two vibration-damping grooves are the same or different;

[0025] The first saw blade body and the second saw blade body are connected by welding. When both the first saw blade body and the second saw blade body are provided with vibration-damping grooves, the vibration-damping grooves of the two are staggered or symmetrically arranged about the butt joint surfaces of the two.

[0026] The beneficial effects of the present invention are as follows:

[0027] 1) The circular saw blade base of the present invention is provided with a vibration-damping groove on the inner side surface of the first saw blade body or the second saw blade body, i.e., the surface connected to the other saw blade body, so that a vibration-damping inner cavity is formed inside the circular saw blade base, which effectively reduces noise and vibration during use. The vibration-damping groove does not penetrate the corresponding saw blade body. When the first saw blade body and the second saw blade body are both provided with the vibration-damping groove, the vibration-damping grooves of the two saw blade bodies are staggered or symmetrically arranged, so that the thickness of the circular saw blade base in the vibration-damping groove will not be too small after the two saw blade bodies are butt-jointed, thereby effectively ensuring the rigidity and strength of the circular saw blade base, ensuring the use of the circular saw blade base and ensuring its service life;

[0028] In this way, the vibration-damping groove is opened on a single side of the circular saw blade substrate, rather than directly penetrating the circular saw blade substrate, which can ensure the rigidity of the circular saw blade substrate and alleviate the excessive impact of the cavity structure on the strength of the circular saw blade substrate.

[0029] 2) In the present invention, the distance between the outer side surface of the vibration damping groove and the bottom of the saw teeth of the circular saw blade base is limited to ensure the distance between the vibration damping groove and the saw teeth, thereby preventing the vibration damping groove from being too close to the saw teeth and affecting the stiffness of the circular saw blade base at the saw teeth; the distance between the inner side surface of the vibration damping groove and the central axis of the circular saw blade base is limited to prevent the distance between the inner side surface of the vibration damping groove and the mounting hole from being too small and affecting the strength of the circular saw blade base at the mounting hole.

[0030] 3) The vibration-damping groove in the present invention does not cross the circular saw blade base, nor does it penetrate the circular saw blade base. During the rotation of the circular saw blade base, the overall balance of the saw blade will not be affected.

[0031] 4) In the present invention, an annular vibration-damping groove can be provided. The provision of the annular vibration-damping groove ensures the design area of ​​the vibration-damping groove and the provision of the damping material inside the groove, which is beneficial to reducing noise and controlling vibration. Moreover, when multiple circles of the vibration-damping groove are provided, the width of the vibration-damping groove is limited to avoid the distance between the two vibration-damping grooves being too close to affect the strength of the circular saw blade base.

[0032] 5) In the present invention, a plurality of vibration-damping grooves can be arranged in a dot matrix along the circumferential direction of the corresponding saw blade body, which effectively ensures the rigidity of the circular saw blade base while ensuring the number and setting size of the vibration-damping grooves; and the shapes of the vibration-damping grooves can be the same or different, and the settings of different vibration-damping grooves can make full use of their characteristics. The combination of vibration-damping grooves of different shapes is conducive to expanding the vibration-damping effect of the vibration-damping grooves.

[0033] 6) In the present invention, a grid-like texture structure can be formed by a plurality of vibration-damping grooves. The size of the vibration-damping grooves in the grid-like texture structure is relatively small, which will not affect the rigidity of the circular saw blade substrate and can effectively reduce the noise and vibration generated during use.

[0034] 7) In the present invention, a vibration-damping groove is opened on one side of the first saw blade body or the second saw blade body, or the vibration-damping grooves of the two are staggered or symmetrically arranged, so as to form an asymmetrical vibration-damping groove on the circular saw blade base, which can ensure the rigidity of the circular saw blade base while hindering the vibration propagation in a larger range; the vibration-damping groove is opened on one side to connect the two saw blade bodies, and while changing the vibration propagation path, the vibration-damping groove does not penetrate the saw blade body where it is located and does not penetrate the circular saw blade base, which effectively ensures the setting thickness of the circular saw blade base at the vibration-damping groove, ensures the rigidity of the circular saw blade base, and at the same time can double the change of the vibration propagation path, so as to achieve a more obvious vibration effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0036] Figure 1 It is a schematic diagram of a first saw blade body or a second saw blade body in a circular saw blade base having a vibration-damping inner cavity according to one or more embodiments of the present invention.

[0037] Figure 2 It is a schematic diagram of a circular saw blade base with a vibration-damping inner cavity when the vibration-damping groove is annular in embodiment 1 of the present invention.

[0038] Figure 3 It is a schematic diagram of a circular saw blade base provided with a vibration-damping inner cavity when the vibration-damping groove in the second embodiment of the present invention is circular.

[0039] Figure 4 It is a schematic diagram of a circular saw blade base provided with a vibration-damping inner cavity when the vibration-damping groove is triangular in the second embodiment of the present invention.

[0040] Figure 5 It is a schematic diagram of a circular saw blade base provided with a vibration-damping inner cavity when the vibration-damping groove is fan-shaped in the second embodiment of the present invention.

[0041] Figure 6 It is a schematic diagram of a circular saw blade base body provided with a vibration-damping inner cavity when the vibration-damping groove is in a square shape in the second embodiment of the present invention.

[0042] Figure 7 It is a schematic diagram of a circular saw blade base body provided with a vibration-damping inner cavity when the vibration-damping groove is circular in the second embodiment of the present invention.

[0043] Figure 8 It is a schematic diagram of a circular saw blade base provided with a vibration-damping inner cavity when the vibration-damping groove in the second embodiment of the present invention is bow-shaped.

[0044] Fig. 9It is a schematic diagram of a circular saw blade substrate with a vibration-damping inner cavity when the shapes of the vibration-damping grooves in the second embodiment of the present invention are set differently.

[0045] Fig.10 It is a schematic diagram of a circular saw blade substrate provided with a vibration-damping inner cavity when the vibration-damping groove in the third embodiment of the present invention is a grid-like texture structure.

[0046] In the figure: the distances or sizes between parts are exaggerated to show the positions of various parts, and the schematic diagram is for reference only.

[0047] Among them: 1. a first saw blade body or a second saw blade body, 2. a vibration-damping groove, 3. saw teeth, 4. a mounting hole, 5. a grid-like texture structure. DETAILED DESCRIPTION

[0048] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0049] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof;

[0050] As introduced in the background technology, the prior art has a problem that the through vibration-damping grooves on the circular saw blade substrate affect the rigidity of the circular saw blade substrate. To solve the above technical problem, the present invention proposes a circular saw blade substrate with a vibration-damping inner cavity.

[0051] Embodiment 1

[0052] In a typical embodiment of the present invention, reference is made to Figure 1 As shown, a circular saw blade base with a vibration-damping inner cavity is provided, comprising a first saw blade body and a second saw blade body, the inner side surface of the first saw blade body is connected to the inner side surface of the second saw blade body, a vibration-damping groove is provided on the inner side surface of at least one of the first saw blade body and the second saw blade body so that a vibration-damping inner cavity is formed inside the circular saw blade base, and the depth of the vibration-damping groove 2 is less than the thickness of the first saw blade body or the second saw blade body 1;

[0053] When the first saw blade body and the second saw blade body are both provided with the vibration-damping groove 2, the shapes of the vibration-damping grooves 2 of the two are the same or different, and the arrangement modes of the vibration-damping grooves of the two are the same or different;

[0054] When the first saw blade body and the second saw blade body are both provided with the vibration-damping groove 2, when the first saw blade body and the second saw blade body are butted against each other, the vibration-damping grooves 2 of the two are staggered or symmetrically arranged about the butt joint surface of the two.

[0055] It is easy to understand that the first saw blade body and the second saw blade body are connected by welding, and after the welding is completed, there is no gap between the first saw blade body and the second saw blade body;

[0056] In this embodiment, considering the rigidity of the first saw blade body and the second saw blade body, the depth of the vibration-damping groove 2 is less than 1 / 2 of the thickness of the first saw blade body or the second saw blade body.

[0057] refer to Figure 2 As shown, along the circumferential direction of the first saw blade body or the second saw blade body 1, at least one circle of vibration-damping grooves is provided, and the provision of the annular vibration-damping grooves ensures the design area of ​​the vibration-damping grooves. In this embodiment, two circles of vibration-damping grooves are provided;

[0058] When two circles of vibration-damping grooves are provided, the width of each vibration-damping groove 3 is 1 / 15-1 / 10 of the radius 1 of the first saw blade body or the second saw blade body, the distance between two adjacent circles of vibration-damping grooves is greater than the width of the vibration-damping grooves, and the distance between two adjacent circles of vibration-damping grooves is greater than 2 times the width of the vibration-damping grooves and less than 4 times the width of the vibration-damping grooves, so as to avoid the distance between the two vibration-damping grooves being too close to affect the strength of the circular saw blade base.

[0059] In addition, it can be understood that if the first saw blade body is provided with two circles of vibration-damping grooves, the second saw blade body can be provided with a circle of vibration-damping grooves that are offset from both vibration-damping grooves of the first saw blade body.

[0060] Regarding the shape of the vibration-damping groove, the cross-section of the vibration-damping groove may be in an arc shape, a rectangle, or other shapes, without any mandatory limitation.

[0061] The circular saw blade base provided in the present embodiment has a vibration-damping groove on the inner side surface of the first saw blade body or the second saw blade body, i.e., the surface connected to the other saw blade body. The vibration-damping groove is not only arranged on one side of the circular saw blade base, but also does not penetrate the corresponding saw blade body. When the vibration-damping groove is arranged on both saw blade bodies, the vibration-damping groove is also staggered, so that the thickness of the circular saw blade base in the vibration-damping groove will not be too small after the two saw blade bodies are connected, thereby effectively ensuring the rigidity and strength of the circular saw blade base, ensuring the use of the circular saw blade base and ensuring its service life.

[0062] Embodiment 2

[0063] The difference between this embodiment and the first embodiment is that:

[0064] Along the circumferential direction of the first saw blade body or the second saw blade body 1, a plurality of vibration-damping grooves 2 are arranged in a dot matrix, and the intervals between two adjacent vibration-damping grooves are set at a set angle, so as to ensure the number of vibration-damping grooves and effectively ensure the rigidity of the circular saw blade base;

[0065] In some examples, when the vibration-damping grooves 2 are arranged in a dot matrix, the shapes of two adjacent vibration-damping grooves 2 are the same. In this case, the vibration-damping grooves are circular, triangular, fan-shaped, trapezoidal, circular, square, groove-shaped, or arch-shaped, such as Figure 3 As shown, all the vibration-damping grooves are circular. Figure 4 As shown, all the vibration-damping grooves 2 are triangular, and the triangle can be an equilateral triangle, and one of the sharp corners of the triangle is located in the radial direction of the first saw blade body or the second saw blade body; Figure 5 As shown, the shape of the vibration-damping groove is a sector shape, and the number of the vibration-damping grooves 2 can be four.

[0066] refer to Figure 6 As shown, the shape of the vibration damping groove 2 is a square. When one of the first saw blade body or the second saw blade body is provided with a square vibration damping groove 2, the other may not be provided with a vibration damping groove, or other vibration damping grooves 2 that can be offset from the square vibration damping groove, such as a circular or triangular vibration damping groove, may be provided.

[0067] refer to Figure 7 As shown, the shape of the vibration reduction groove 2 is circular; Figure 8 As shown, the shape of the vibration-damping groove 2 is bow-shaped. Considering the structural strength, four bow-shaped vibration-damping grooves can be provided on the first saw blade body or the second saw blade body.

[0068] In addition, it should be supplemented that when the vibration-damping grooves 2 are arranged in a dot matrix, the vibration-damping grooves 2 are two or three of a circle, a triangle, a fan, a trapezoid, a circular circle, a square circle, a groove or a bow shape, and when a plurality of vibration-damping grooves of different shapes are arranged in the circumferential direction of the first saw blade body or the second saw blade body, the shapes of two adjacent vibration-damping grooves are different, and the intervals between two adjacent vibration-damping grooves of the same shape are arranged at the same angle; refer to Fig. 9 As shown, when six vibration-damping grooves are provided, three of them are triangular vibration-damping grooves, and the other three vibration-damping grooves are circular vibration-damping grooves.

[0069] It is easy to understand that when the first saw blade body and the second saw blade body are both provided with a plurality of lattice-type vibration-damping grooves, the arrangement of the vibration-damping grooves of the two bodies may be the same or different.

[0070] Of course, in other examples, when six vibration-damping grooves are provided, three vibration-damping grooves of different shapes may be provided, and in this case, vibration-damping grooves of the same shape are provided on the same straight line.

[0071] It should be noted that when the vibration-damping grooves 2 are arranged in a dot matrix, the number of vibration-damping grooves in the first saw blade body or the second saw blade body is less than 10, and can be 6 or 4, or of course other numbers. The distance between two adjacent vibration-damping grooves is greater than the width or diameter of the vibration-damping grooves so that the vibration-damping grooves can be staggered after the first saw blade body and the second saw blade body are connected.

[0072] In addition, it can be understood that in the first and second embodiments, no matter whether the vibration-damping groove 2 is arranged in a ring shape or in a dot matrix, the distance between the outer side of the vibration-damping groove and the bottom surface of the saw teeth of the circular saw blade base is 1 / 7-1 / 3 of the radius of the first saw blade body, so as to ensure the distance between the vibration-damping groove 2 and the saw teeth 3, and avoid the vibration-damping groove being too close to the saw teeth to affect the rigidity of the circular saw blade base at the saw teeth;

[0073] Because a mounting hole 4 is provided in the center of the circular saw blade base, the distance between the inner side surface of the vibration damping groove and the central axis of the first saw blade body or the second saw blade body is 1 / 7-1 / 2 of the radius of the first saw blade body. This avoids the distance between the inner side surface of the vibration damping groove and the mounting hole 4 being too small, which would affect the strength of the circular saw blade base at the mounting hole.

[0074] In the above two embodiments, the distance between the outer side surface of the vibration damping groove and the bottom of the saw teeth of the circular saw blade base is limited to ensure the distance between the vibration damping groove and the saw teeth, thereby preventing the vibration damping groove from being too close to the saw teeth and affecting the stiffness of the circular saw blade base at the saw teeth; the distance between the inner side surface of the vibration damping groove and the central axis of the circular saw blade base is limited to prevent the inner side surface of the vibration damping groove from being too close to the mounting hole and affecting the strength of the circular saw blade base at the mounting hole.

[0075] Embodiment 3

[0076] The difference between this embodiment and the first embodiment is that:

[0077] refer to Fig.10 As shown, a plurality of vibration-damping grooves are provided, and the plurality of vibration-damping grooves are arranged in a grid shape (regular arrangement) so that the plurality of vibration-damping grooves form a grid-like texture structure 5. In such a structure, the plurality of vibration-damping grooves cover 1 / 2 of the single-side area of ​​the first saw blade body or the second saw blade body, and the size of the vibration-damping grooves in the grid-like texture structure 5 is relatively small. For example, the depth of a single vibration-damping groove is less than or equal to 1 / 4 of the thickness of the first saw blade body or the second saw blade body, and the side length of a single vibration-damping groove is less than or equal to 1 / 13 of the radius of the first saw blade body or the second saw blade body. By limiting the depth and side length of a single vibration-damping groove, even if some of the vibration-damping grooves are arranged close to the bottom surface of the saw teeth, the rigidity of the circular saw blade base will not be affected, and the noise and vibration generated during use can be effectively reduced.

[0078] Embodiment 4

[0079] The difference between this embodiment and the first, second and third embodiments is that:

[0080] The vibration-damping groove 2 is filled with a damping material, which may be existing magnetic iron powder. During the use of the circular saw blade substrate, the damping material may effectively absorb vibration, better block vibration propagation, and help reduce the vibration energy of the circular saw blade substrate.

[0081] Embodiment 5

[0082] This embodiment discloses a method for processing a circular saw blade substrate provided with a vibration-damping inner cavity, including the following contents:

[0083] processing a first saw blade body and a second saw blade body;

[0084] A vibration-damping groove is processed on one of the first saw blade body and the second saw blade body, or both of the first saw blade body and the second saw blade body. The vibration-damping grooves of the first saw blade body and the second saw blade body may have the same or different shapes. The depth of the vibration-damping groove is less than the thickness of the first saw blade body or the second saw blade body, so that the vibration-damping groove does not penetrate the first saw blade body or the second saw blade body.

[0085] The first saw blade body and the second saw blade body are connected by welding. When both the first saw blade body and the second saw blade body are provided with vibration-damping grooves, the vibration-damping grooves are staggered or symmetrically arranged about the butt joint surface of the first saw blade body and the second saw blade body.

[0086] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A circular saw blade substrate provided with a vibration-damping inner cavity, characterized in that: The circular saw blade comprises a first saw blade body and a second saw blade body, wherein the inner side surface of the first saw blade body is connected to the inner side surface of the second saw blade body, and a vibration-damping groove is provided on the inner side surface of at least one of the first saw blade body and the second saw blade body so that a vibration-damping inner cavity is formed inside the circular saw blade base, and the depth of the vibration-damping groove is less than the thickness of the first saw blade body or the second saw blade body; When the first saw blade body and the second saw blade body are both provided with vibration-damping grooves, the shapes of the vibration-damping grooves of the two are the same or different, and the arrangement modes of the vibration-damping grooves of the two are the same or different; When both the first saw blade body and the second saw blade body are provided with vibration-damping grooves, when the first saw blade body and the second saw blade body are butted together, the vibration-damping grooves of the two are staggered or symmetrically arranged about the butt joint surface of the two.

2. A circular saw blade substrate with a vibration-damping inner cavity according to claim 1, characterized in that: Along the circumferential direction of the first saw blade body or the second saw blade body, a plurality of the vibration-damping grooves are arranged in a dot matrix, and a set angle is set between two adjacent vibration-damping grooves.

3. A circular saw blade substrate with a vibration-damping inner cavity according to claim 2, characterized in that: When the vibration-damping grooves are arranged in a dot matrix, the shapes of two adjacent vibration-damping grooves are the same or different; When the shapes of two adjacent vibration-damping grooves are different, two adjacent vibration-damping grooves of the same shape are arranged at the same angle.

4. A circular saw blade substrate with a vibration-damping inner cavity according to claim 3, characterized in that: When the vibration-damping grooves are arranged in a dot matrix, the vibration-damping grooves are in one or more of a circular shape, a triangular shape, a fan shape, a trapezoidal shape, a circular shape, a square shape, a groove shape, or a bow shape.

5. The circular saw blade substrate with a vibration-damping inner cavity according to claim 1, characterized in that: The vibration reduction groove is filled with damping material.

6. The circular saw blade substrate with a vibration-damping inner cavity according to claim 1, characterized in that: A plurality of vibration-damping grooves are provided, and the plurality of vibration-damping grooves are arranged in a grid shape so that the plurality of vibration-damping grooves form a grid-like texture structure.

7. The circular saw blade substrate with a vibration-damping inner cavity according to claim 1, characterized in that: The vibration-damping groove is provided with at least one circle along the circumferential direction of the first saw blade body or the second saw blade body; When multiple circles of vibration-damping grooves are provided, the width of each vibration-damping groove is 1 / 15-1 / 10 of the radius of the first saw blade body or the second saw blade body, and the distance between two adjacent circles of vibration-damping grooves is greater than the width of the vibration-damping grooves.

8. The circular saw blade substrate with a vibration-damping inner cavity according to claim 1, characterized in that: When the number of the vibration-damping grooves in the first saw blade body or the second saw blade body is less than 10, the distance between the outer side surface of the vibration-damping groove and the bottom surface of the saw teeth of the circular saw blade base body is 1 / 7-1 / 3 of the radius of the first saw blade body; The distance between the inner side surface of the vibration-damping groove and the central axis of the first saw blade body or the second saw blade body is 1 / 7-1 / 2 of the radius of the first saw blade body.

9. A circular saw blade substrate with a vibration-damping inner cavity according to claim 8, characterized in that: When the number of the vibration-damping grooves in the first saw blade body or the second saw blade body is less than 10, the distance between the inner side of the vibration-damping groove and the central axis of the first saw blade body or the second saw blade body is greater than the distance between the outer side of the vibration-damping groove and the bottom surface of the saw tooth.

10. A method for processing a circular saw blade substrate provided with a vibration-damping inner cavity according to any one of claims 1 to 9, characterized in that: It includes the following: processing a first saw blade body and a second saw blade body; A vibration-damping groove is processed on at least one of the first saw blade body and the second saw blade body, the depth of the vibration-damping groove is less than the thickness of the first saw blade body or the second saw blade body, and when the vibration-damping groove is provided on both the first saw blade body and the second saw blade body, the shapes of the vibration-damping grooves of the two are the same or different; The first saw blade body and the second saw blade body are connected by welding. When the first saw blade body and the second saw blade body are both provided with vibration-damping grooves, the vibration-damping grooves of the two are staggered or symmetrically arranged about the butt joint surfaces of the two.

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