Wear-resistant alloy saw blade

Abstract

The utility model discloses a wear-resistant alloy saw blade which comprises a substrate, a mounting hole is formed in the middle of the surface of the substrate, a plurality of positioning holes distributed in a circumferential array mode are formed in the periphery of the mounting hole, and a connecting ring detachably connected with the substrate is installed on the edge of the substrate. A plurality of arc-shaped notches distributed in a circumferential array mode are formed in the edge of the connecting ring, and a cutting tool bit is arranged between every two adjacent arc-shaped notches. Through the matching among the first inclined surface, the second inclined surface and the curved surface, a sharp cutting edge can be naturally formed according to different abrasion degrees in the cutting process, namely, the self-sharpening phenomenon is formed, so that the cutting effect is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to saw blade technical field, especially relate to a wear -resisting alloy saw blade. BACKGROUND

[0002] As a kind of cutting tool, alloy saw blade is widely used in the processing of stone, metal plate and hard wood.

[0003] The existing saw blade edge portion is poor in wear resistance, and the edge is prone to blunt, which affects cutting effect.In addition, when the cutting depth increases during the cutting process of the existing saw blade, the saw blade substrate will contact the material, thereby increasing the wear of the saw blade.In addition, the substrate contacts the material, which generates friction heat and vibration, thereby affecting the cutting of the material. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of wear -resisting alloy saw blade to solve the technical problems proposed in the background art.

[0005] To achieve the above object, the specific technical scheme of the utility model is as follows: a kind of wear -resisting alloy saw blade, including substrate, the surface middle part of the substrate is provided with mounting hole, the periphery of the mounting hole is provided with multiple positioning holes distributed in circumferential array, the edge of the substrate is provided with the connecting ring that can be detachably connected, the edge of the connecting ring is provided with multiple arc-shaped notches distributed in circumferential array, every two adjacent arc-shaped notches are provided with cutting bit, the front and back sides of the cutting bit are projected the two side surfaces of substrate, and the side away from the connecting ring of the cutting bit is provided as first inclined plane, the left and right sides of the cutting bit are provided as curved surface and second inclined plane respectively, the surface of the substrate is provided with multiple reinforcing bits distributed in circumferential array.

[0006] Preferably, the surface of the edge of the substrate is provided with first annular groove, the connecting ring is provided with second annular groove corresponding to the distribution of first annular groove, and the front and back side surfaces of the connecting ring are flush with the front and back side surfaces of the substrate.

[0007] Preferably, the surface of the first annular groove is provided with multiple positioning grooves distributed in circumferential array, the surface of the second annular groove is provided with multiple positioning blocks corresponding to the distribution of positioning grooves one by one, the size of the positioning block is consistent with the size of the positioning groove.

[0008] Preferably, the surface of the first annular groove is provided with one insertion hole between two positioning grooves, the surface of the second annular groove is provided with stud corresponding to the distribution of insertion hole one by one, the back of the substrate is provided with recess concentric with insertion hole, the end of the stud penetrates insertion hole and is flush with the surface of the substrate, and the stud is threadedly connected with nut, the nut is in recess, and the diameter of the recess is greater than the diameter of the nut.

[0009] Preferably, the surface of the substrate is provided with a plurality of mounting ports arranged in a circumferential array, the reinforcing cutter head is mounted in the mounting port, and the front and rear side surfaces of the reinforcing cutter head are flush with the front and rear side surfaces of the cutting cutter head.

[0010] Preferably, the second inclined surface and the curved surface are tangent to the arc-shaped notch.

[0011] The wear-resistant alloy saw blade has the following advantages:

[0012] 1. The cooperation between the first inclined surface, the second inclined surface and the curved surface is beneficial to naturally forming a sharp cutting edge according to different degrees of wear during cutting, that is, forming a self-grinding blade phenomenon, so that the cutting effect is good.

[0013] 2. The alloy saw blade cuts the material in the state of contacting the material with the reinforcing cutter head as the cutting depth increases, and the substrate part also enters the cutting surface as the cutting continues. At this time, since the reinforcing cutter head is protruded from the two side surfaces of the substrate, the alloy saw blade can be inhibited from contacting the material cutting surface even if it is inclined during cutting. Therefore, deformation caused by low strength substrate cutting heat can be prevented, the condition that cannot be cut thereby can be eliminated, friction heat and vibration can be prevented, the wear resistance of the alloy saw blade is improved, and the operation safety is further improved.

[0014] 3. The cooperation between the positioning block and the positioning groove and the cooperation between the stud and the insertion hole facilitate dismounting and mounting between the connecting ring and the substrate, so that when the cutting cutter head is damaged, the connecting ring only needs to be dismounted and replaced, which greatly saves the cost and reduces the waste of resources. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 It is a schematic diagram of the overall structure of the present application; Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 3 It is a schematic diagram of the overall structure of the present application;

[0019] Figure 4 is a disassembled view of the substrate and the reinforced tool bit in the utility model;

[0020] Figure 5 is a structural schematic view of the connecting ring in the utility model.

[0021] Marked explanation in the drawing: 1, substrate; 2, mounting hole; 3, positioning hole; 4, connecting ring; 5, arc-shaped notch; 6, cutting tool bit; 7, reinforced tool bit; 8, first inclined surface; 9, second inclined surface; 10, curved surface; 11, insertion hole; 12, groove; 13, first annular groove; 14, positioning groove; 15, mounting port; 16, second annular groove; 17, stud; 18, positioning block. DETAILED DESCRIPTION

[0022] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0023] In the description of the embodiments of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0024] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0025] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0026] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0027] To better understand the purpose, structure, and function of this utility model, a more detailed description of a wear-resistant alloy saw blade of this utility model is provided below with reference to the accompanying drawings.

[0028] like Figures 1-5 As shown, a wear-resistant alloy saw blade of this utility model includes a substrate 1. A mounting hole 2 is provided in the middle of the surface of the substrate 1. A plurality of positioning holes 3 arranged in a circumferential array are provided around the mounting hole 2. A connecting ring 4 is installed at the edge of the substrate 1 and can be detachably connected thereto. A first annular groove 13 is provided on the surface of the edge of the substrate 1. A second annular groove 16 is provided on the connecting ring 4 and is distributed corresponding to the first annular groove 13. The front and rear surfaces of the connecting ring 4 are flush with the front and rear surfaces of the substrate 1. Through the cooperation between the first annular groove 13 and the second annular groove 16, the connecting ring 4 can be directly snapped into the edge of the substrate 1 and connected thereto. The surface of the first annular groove 13 is provided with a plurality of positioning grooves 14 arranged in a circular array. The surface of the second annular groove 16 is provided with a plurality of positioning blocks 18 that correspond one-to-one with the positioning grooves 14. The size of the positioning blocks 18 matches the size of the positioning grooves 14. Through the cooperation between the positioning blocks 18 and the positioning grooves 14, when the connecting ring 4 is connected to the substrate 1, the positioning blocks 18 are locked into the positioning grooves 14, which limits the connection ring 4 and prevents the connection ring 4 from rotating arbitrarily. The surface of the first annular groove 13 is provided with an insertion hole 11 between the two positioning grooves 14. The surface of the second annular groove 16 is provided with studs 17 distributed one-to-one with the insertion holes 11. The back of the substrate 1 is provided with a groove 12 concentric with the insertion hole 11. The end of the stud 17 passes through the insertion hole 11 and is flush with the surface of the substrate 1. A nut is threaded onto the stud 17. The nut is located in the groove 12. The diameter of the groove 12 is larger than the diameter of the nut. Through the cooperation between the stud 17 and the insertion hole 11, when the connecting ring 4 is connected to the substrate 1, the stud 17 passes through the insertion hole 11, which not only limits the connection of the connecting ring 4 again, but also makes the connection between the connecting ring 4 and the substrate 1 more tight and firm by tightening the nut on the stud 17. With the setting of the groove 12, the nut will not protrude from the surface of the substrate 1, and it is also convenient to use a sleeve to install and remove the nut.

[0029] The edge of the connecting ring 4 is provided with a plurality of arc-shaped notches 5 arranged in a circumferential array, and a cutting blade 6 is arranged between every two adjacent arc-shaped notches 5, the front and rear sides of the cutting blade 6 protrude from the two side surfaces of the substrate 1, and the side away from the connecting ring 4 is provided with a first inclined surface 8, and the left and right sides of the cutting blade 6 are respectively provided with a curved surface 10 and a second inclined surface 9, the second inclined surface 9 and the curved surface 10 are tangent to the arc-shaped notch 5, and through the cooperation between the first inclined surface 8, the second inclined surface 9 and the curved surface 10, it is beneficial to naturally form a sharp cutting edge according to different degrees of wear during cutting, that is, the self-sharpening phenomenon is formed, so that the cutting effect is good. The surface of the substrate 1 is provided with a plurality of reinforcing blades 7 arranged in a circumferential array. The surface of the substrate 1 is provided with a plurality of mounting holes 15 arranged in a circumferential array, the reinforcing blades 7 are mounted in the mounting holes 15, and the front and rear surfaces of the reinforcing blades 7 are flush with the front and rear surfaces of the cutting blades 6, through the arrangement of the reinforcing blades 7, when the alloy saw blade is cutting, as the cutting depth increases, the reinforcing blades 7 cut in the state of contacting the material, as the cutting continues, the substrate 1 part also enters the cutting surface, at this time, because the reinforcing blades 7 protrude from the two side surfaces of the substrate 1, even if the alloy saw blade is inclined during cutting, the substrate 1 can be prevented from contacting the material cutting surface, so that the deformation caused by the low strength of the substrate during cutting can be prevented, the cutting condition caused by the deformation can be eliminated, the generation of friction heat and vibration can be prevented, the wear resistance of the alloy saw blade is improved, and the operation safety is further improved.

[0030] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A wear resistant alloy saw blade characterized by: The utility model provides a cutting device for sheet metal, which comprises a substrate (1), a mounting hole (2) arranged at the middle of the surface of the substrate (1), a plurality of positioning holes (3) arranged in a circumferential array at the periphery of the mounting hole (2), a connecting ring (4) detachably connected to the substrate (1) and arranged at the edge of the substrate (1), a plurality of arc-shaped notches (5) arranged in a circumferential array at the edge of the connecting ring (4), a cutting blade (6) arranged between every two adjacent arc-shaped notches (5), the cutting blade (6) protruding from the two side surfaces of the substrate (1) on both sides of the cutting blade (6), the side of the cutting blade (6) away from the connecting ring (4) being provided with a first inclined surface (8), the left and right sides of the cutting blade (6) being provided with a curved surface (10) and a second inclined surface (9) respectively, and a plurality of reinforcing blades (7) arranged in a circumferential array on the surface of the substrate (1).

2. A wear resistant alloy saw blade according to claim 1, characterized in that: A first annular groove (13) is arranged on the surface of the edge of the substrate (1), a second annular groove (16) corresponding to the first annular groove (13) is arranged on the connecting ring (4), and the front and rear surfaces of the connecting ring (4) are flush with the front and rear surfaces of the substrate (1).

3. A wear resistant alloy saw blade according to claim 2, characterized in that: A plurality of positioning grooves (14) arranged in a circumferential array are arranged on the surface of the first annular groove (13), a plurality of positioning blocks (18) corresponding to the positioning grooves (14) are arranged on the surface of the second annular groove (16), and the size of the positioning blocks (18) is consistent with the size of the positioning grooves (14).

4. A wear resistant alloy saw blade according to claim 2, characterized in that: An insertion hole (11) is arranged between two positioning grooves (14) on the surface of the first annular groove (13), a threaded stud (17) corresponding to the insertion hole (11) is arranged on the surface of the second annular groove (16), a recess (12) concentric with the insertion hole (11) is arranged on the back of the substrate (1), the end of the threaded stud (17) penetrates through the insertion hole (11) and is flush with the surface of the substrate (1), a nut is threadedly connected to the threaded stud (17), the nut is located in the recess (12), and the diameter of the recess (12) is greater than the diameter of the nut.

5. A wear resistant alloy saw blade according to claim 1, characterized in that: A plurality of mounting holes (15) arranged in a circumferential array are arranged on the surface of the substrate (1), the reinforcing blades (7) are mounted in the mounting holes (15), and the front and rear surfaces of the reinforcing blades (7) are flush with the front and rear surfaces of the cutting blades (6).

6. A wear resistant alloy saw blade according to claim 1, characterized in that: The second inclined surface (9) and the curved surface (10) are tangent to the arc-shaped notch (5).

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