A deformation resistant saw blade and method of machining

Abstract

The application discloses an anti-deformation saw blade and a processing method, and aims to solve the problem that the service life of the saw blade is affected by the deformation risk during use of the saw blade. The application comprises a saw blade body, a plurality of groups of closed anti-deformation heat dissipation grooves are uniformly arranged in the circumferential direction of the saw blade body, a plurality of anti-deformation heat dissipation grooves are arranged at equal intervals in the circumferential direction of each group of anti-deformation heat dissipation grooves, the anti-deformation heat dissipation grooves are arranged to be inclined away from the center of the saw blade body and towards the rotating direction of the saw blade body, and the width of the anti-deformation heat dissipation grooves gradually increases in the direction away from the center of the saw blade body. The saw blade has good heat dissipation effect during use, good structural strength, is not prone to deformation during cutting, and has a long service life.

Description

Technical Field

[0001] This invention relates to a saw blade, and more specifically, to a deformation-resistant saw blade and a processing method thereof. Background Technology

[0002] A saw blade is a commonly used sawing tool that cuts materials by rotating. Common saw blades are divided into diamond saw blades and high-speed steel saw blades. Diamond saw blades can cut stone, while high-speed steel saw blades can cut wood, plastic, metal, and other materials. During sawing, the saw blade generates heat. To improve heat dissipation, many saw blades have cooling grooves. While these grooves improve heat dissipation, they also affect the structural strength of the saw blade, increasing the risk of deformation during use and shortening its lifespan. Summary of the Invention

[0003] To overcome the above shortcomings, the present invention provides an anti-deformation saw blade and a processing method. The saw blade has good heat dissipation during use, good structural strength, is not easily deformed during cutting, and has a long service life.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: an anti-deformation saw blade, including a saw blade body, wherein a plurality of closed anti-deformation heat dissipation grooves are evenly distributed around the saw blade body, and a plurality of anti-deformation heat dissipation grooves are evenly spaced around the circumference of each group, and the anti-deformation heat dissipation grooves are inclined away from the center of the saw blade body and biased towards the rotation direction of the saw blade body, and the width of the anti-deformation heat dissipation grooves gradually increases in the direction away from the center of the saw blade body.

[0005] The saw blade body is equipped with several sets of closed anti-deformation heat dissipation grooves. During the saw blade's rotation and cutting process, these grooves effectively dissipate heat. The closed design of these grooves ensures the structural strength of the saw blade body around them, preventing deformation. The grooves are offset radially and their width gradually increases away from the center of the saw blade. During rotation, the tangential force on the grooves is radially decomposed, reducing the impact of the tangential force on the saw blade at those locations and minimizing the risk of deformation. The evenly distributed circumferential grooves ensure uniform stress distribution throughout the saw blade's rotation, maintaining its structural strength.

[0006] The saw blade of this patent application has good heat dissipation during use, and the saw blade has good structural strength, is not easily deformed during cutting, and has a long service life.

[0007] Preferably, the anti-deformation heat dissipation groove outline includes a first arc-shaped side and a second arc-shaped side, an arc-shaped transition edge is provided between one end of the first arc-shaped side and the second arc-shaped side, a straight edge is provided between one end of the first arc-shaped side and the second arc-shaped side, and rounded corner edges are provided between one end of the straight edge and the first arc-shaped side, as well as between the other end of the straight edge and the second arc-shaped side.

[0008] The anti-deformation heat dissipation groove is formed by the sequential enclosing of the first arc-shaped edge, the transition edge, the second arc-shaped edge, the rounded corner edge, the straight edge, and the rounded corner edge to form a crescent-shaped structure. It not only has good heat dissipation effect, but also good structural strength and strong resistance to deformation.

[0009] Preferably, a number of tooth backs are arranged circumferentially at intervals on the outer edge of the saw blade body, and a cutting head is installed on the tooth backs; a chip groove is formed between adjacent tooth backs, and the chip groove is located on the outer edge of the saw blade body.

[0010] The cutting head is mounted on the back of the saw teeth, ensuring stability and reliability. Chip grooves are formed between adjacent tooth backs to accommodate chips, facilitating chip removal and preventing poor chip removal from affecting sawing performance or even causing overheating that could deform the saw blade and cutting head.

[0011] Preferably, a central hole is provided in the center of the saw blade body, the distance from the outer end of the anti-deformation heat dissipation groove to the bottom of the chip groove is L1, and the distance from the inner end of the anti-deformation heat dissipation groove to the edge of the central hole is L2, where L1 is 5mm~25mm and L2≥10mm.

[0012] The distances between the anti-deformation heat dissipation groove and the center hole, as well as the distances between the anti-deformation heat dissipation groove and the chip groove, are set reasonably to ensure the structural strength of the saw blade body and improve the saw blade body's resistance to deformation.

[0013] Preferably, the distance between the inner and outer ends of the anti-deformation heat dissipation groove is L3, where L3 is 15mm~30mm; the minimum distance between two adjacent anti-deformation heat dissipation grooves is L4, where L4 is 5mm~15mm.

[0014] The length of the anti-deformation heat dissipation groove and the spacing between two adjacent anti-deformation heat dissipation grooves are set reasonably to ensure the heat dissipation effect while ensuring the structural strength of the saw blade body.

[0015] Preferably, the cutting head includes a left-angled cutting head and a right-angled cutting head, which are alternately arranged circumferentially.

[0016] The left and right oblique cutters are alternately arranged along the circumference, which ensures that the forces on both sides of the saw blade body are balanced during the sawing process. Moreover, the cutting edges of the left and right oblique cutters are set at an angle, which helps to reduce sawing resistance, reduce wear, and extend the service life of the saw blade.

[0017] Preferably, the left side, right side, outer end face, and front side of the cutting head are all flat.

[0018] The left, right, outer, and front sides of the cutting head are all flat, making grinding and finishing easier compared to curved surfaces.

[0019] Preferably, the left and right sides of the cutting head are both inclined in a direction away from the cutting direction and towards each other.

[0020] The left and right sides of the cutting head are angled, which reduces the contact area between the left and right sides of the cutting head and the cutting surface, thus reducing sawing resistance. The space between the rear sides of the left and right sides and the cutting surface facilitates heat dissipation and chip removal.

[0021] Preferably, the front side of the cutting head is provided with a corner surface near the center of the saw blade body, and the corner surface is inclined away from the cutting direction.

[0022] The corner surface design facilitates chip removal.

[0023] A method for processing an anti-deformation saw blade includes the following steps: S1, processing anti-deformation heat dissipation grooves on the saw blade body; S2, processing several circumferentially spaced receiving grooves on the edge of the saw blade body, with tooth backs formed between adjacent receiving grooves; S3, heat-treating the saw blade body; S4, processing tooth seats on the tooth backs; S5, welding cutting heads onto the tooth seats.

[0024] During saw blade manufacturing, anti-deformation heat dissipation grooves and chip-collecting grooves are machined into the saw blade body. After heat treatment, the saw blade body is made harder. Then, the cutting head is welded to the tooth holder to form the saw blade. Saw blades are easy to manufacture, and the manufactured saw blades have good heat dissipation, good structural strength, are not easily deformed during cutting, and have a long service life.

[0025] Compared with the prior art, the beneficial effects of the present invention are: (1) The saw blade of the present patent application has good heat dissipation during use, and the saw blade has good structural strength, is not easily deformed during cutting, and has a long service life; (2) The left oblique cutter head and the right oblique cutter head are alternately set along the circumference, which ensures the balance of force on both sides of the saw blade body during the sawing process, and the cutting edges of the left oblique cutter head and the right oblique cutter head are set at an angle, which helps to reduce sawing resistance, reduce wear, and extend the service life of the saw blade; (3) The left side, right side, outer end face and front side of the cutting cutter head are all flat, which is more convenient for grinding and finishing compared with the arc surface. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the present invention.

[0027] Figure 2 This is a side view of Embodiment 1 of the present invention.

[0028] Figure 3 This is a partial structural schematic diagram of the present invention.

[0029] Figure 4 This is a top view of the cutting head of Embodiment 2 of the present invention.

[0030] Figure 5 This is a side view of Embodiment 3 of the present invention.

[0031] In the diagram: 1. Saw blade body, 2. Anti-deformation heat dissipation groove, 3. First arc-shaped edge, 4. Second arc-shaped edge, 5. Transition edge, 6. Straight edge, 7. Rounded corner edge, 8. Tooth back, 9. Cutting head, 10. Chip groove, 11. Tooth seat, 12. Center hole, 13. Left oblique cutter head, 14. Right oblique cutter head, 15. Corner surface, 16. Left side surface, 17. Right side surface, 18. Outer end surface, 19. Front side surface, 20. First long edge, 21. Second long edge. Detailed Implementation

[0032] The technical solution of the present invention will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0033] Example 1: An anti-deformation saw blade (see...) Figure 1 , Figure 2 , Figure 3 The saw blade body 1 is a disc-shaped structure. Several sets of closed anti-deformation heat dissipation grooves 2 are evenly distributed around the circumference of the saw blade body 1, with several grooves evenly spaced around the circumference in each set. In this embodiment, four sets of closed anti-deformation heat dissipation grooves 2 are evenly distributed around the circumference of the saw blade body 1, with three grooves evenly spaced around the circumference in each set.

[0034] The anti-deformation heat dissipation groove 2 is inclined away from the center of the saw blade body 1 and towards the rotation direction of the saw blade body 1. The width of the anti-deformation heat dissipation groove 2 gradually increases in the direction away from the center of the saw blade body 1. The anti-deformation heat dissipation groove 2 is radially outward and inclined towards the rotation and cutting direction of the saw blade body 1.

[0035] The anti-deformation heat dissipation groove 2 includes a first arc-shaped edge 3 and a second arc-shaped edge 4. Both the first arc-shaped edge 3 and the second arc-shaped edge 4 have an arc-shaped transition edge 5 between one end of the first arc-shaped edge 3 and the second arc-shaped edge 4. A straight edge 6 is provided between one end of the straight edge 6 and the first arc-shaped edge 3, the other end of the straight edge 6 and the second arc-shaped edge 4, and a rounded corner edge 7 is provided. The anti-deformation heat dissipation groove 2 forms a crescent-shaped structure by sequentially enclosing the first arc-shaped edge 3, the transition edge 5, the second arc-shaped edge 4, the rounded corner edge 7, the straight edge 6, and the rounded corner edge 7. This structure not only has good heat dissipation effect but also good structural strength and strong resistance to deformation.

[0036] A number of tooth backs 8 are circumferentially spaced along the outer edge of the saw blade body 1. The tooth backs 8 are evenly distributed circumferentially, and cutting heads 9 are mounted on the tooth backs 8. Chip grooves 10 are formed between adjacent tooth backs 8. The bottom surface of the chip grooves 10 has an arc-shaped structure, and the chip grooves 10 are located on the outer edge of the saw blade body 1. The openings of the chip grooves 10 are biased towards the rotational cutting direction of the saw blade body 1. A recessed tooth seat 11 is provided on the side of the tooth back 8 facing the cutting direction, and the cutting head 9 is welded to the recess of the tooth seat 11.

[0037] A central hole 12 is provided at the center of the saw blade body 1. The distance from the outer end of the anti-deformation heat dissipation groove 2 to the bottom of the chip groove 10 is L1, and the distance from the inner end of the anti-deformation heat dissipation groove 2 to the edge of the central hole 12 is L2. L1 is 5mm~25mm, and L2 is ≥10mm. The distances between the anti-deformation heat dissipation groove 2 and the central hole 12, and between the anti-deformation heat dissipation groove 2 and the chip groove 10 are reasonably set to ensure the structural strength of the saw blade body 1 and improve its anti-deformation ability. The distance between the inner and outer ends of the anti-deformation heat dissipation groove 2 is L3, and L3 is 15mm~30mm; the minimum distance between two adjacent anti-deformation heat dissipation grooves 2 is L4, and L4 is 5mm~15mm. The length of the anti-deformation heat dissipation groove 2 and the spacing between two adjacent anti-deformation heat dissipation grooves 2 are reasonably set to ensure the heat dissipation effect while ensuring the structural strength of the saw blade body 1. In this embodiment, L1 is 10mm, L2 ≥30mm, L3 is 18mm, and L4 is 6mm.

[0038] The cutting head 9 includes a left-angled cutter head 13 and a right-angled cutter head 14. The outer end face 18 of the left-angled cutter head 13 is inclined from right to left towards the center of the saw blade body 1, and the outer end face 18 of the right-angled cutter head 14 is inclined from left to right towards the center of the saw blade body 1. The width of both the left-angled cutter head 13 and the right-angled cutter head 14 is greater than the thickness of the saw blade body 1. The left and right sides of the left-angled cutter head 13 extend out of the left and right sides of the saw blade body 1, respectively, and the left and right sides of the right-angled cutter head 14 extend out of the left and right sides of the saw blade body 1, respectively.

[0039] Left-angled cutter head 13 and right-angled cutter head 14 are alternately arranged circumferentially. The left side 16, right side 17, outer end face 18, and front side 19 of the cutting cutter head 9 are all flat. The flat structure facilitates the grinding and finishing of the cutting cutter head 9. A corner surface 15 is provided on the front side 19 of the cutting cutter head 9 near the center of the saw blade body 1. The corner surface 15 is inclined away from the rotational cutting direction of the saw blade body 1. The corner surface 15 is conducive to the discharge of chips.

[0040] The saw blade body 1 is provided with several sets of closed anti-deformation heat dissipation grooves 2. During the rotation and cutting process of the saw blade body 1, the anti-deformation heat dissipation grooves 2 play a heat dissipation role. Moreover, the anti-deformation heat dissipation grooves 2 are closed, ensuring the structural strength of the saw blade body 1 around the anti-deformation heat dissipation grooves 2 and preventing deformation of the saw blade body 1. The anti-deformation heat dissipation grooves 2 are inclined off-radial, and the width of the anti-deformation heat dissipation grooves 2 gradually increases away from the center of the saw blade body 1. During the rotation of the saw blade body 1, the tangential force on the anti-deformation heat dissipation grooves 2 can be decomposed radially, thereby reducing the effect of the tangential force on the saw blade body 1 at the anti-deformation heat dissipation grooves 2 and reducing the risk of deformation of the anti-deformation heat dissipation grooves 2. The several sets of anti-deformation heat dissipation grooves 2 are evenly distributed circumferentially, so that the force on all positions of the saw blade body 1 is uniform during the rotation process, ensuring the structural strength of the saw blade body 1.

[0041] A method for processing an anti-deformation saw blade includes the following steps: S1, processing an anti-deformation heat dissipation groove 2 on the saw blade body 1. The anti-deformation heat dissipation groove 2 is processed by stamping. First, a rough outline is stamped out, and then the outline is trimmed to form a complete anti-deformation heat dissipation groove 2; S2, processing several circumferentially spaced receiving grooves on the edge of the saw blade body 1, with tooth backs 8 formed between adjacent receiving grooves; S3, performing heat treatment on the saw blade body 1, which involves quenching first and then tempering; S4, processing tooth seats 11 on the tooth backs 8; S5, welding a cutting head 9 onto the tooth seat 11. The cutting head 9 includes a left oblique head 13 and a right oblique head 14, which are alternately arranged circumferentially.

[0042] During saw blade processing, anti-deformation heat dissipation grooves 2 and chip-collecting grooves 10 are machined on the saw blade body 1. After heat treatment, the saw blade body 1 is made harder. Then, the cutting head 9 is welded to the tooth holder 11 to form the saw blade. The saw blade is easy to process, and the processed saw blade has good heat dissipation, good structural strength, is not easily deformed during cutting, and has a long service life.

[0043] Example 2: An anti-deformation saw blade (see...) Figure 2 , Figure 4 The saw blade body 1 is a disc-shaped structure. Several sets of closed anti-deformation heat dissipation grooves 2 are evenly distributed around the circumference of the saw blade body 1, with several grooves evenly spaced around the circumference in each set. In this embodiment, four sets of closed anti-deformation heat dissipation grooves 2 are evenly distributed around the circumference of the saw blade body 1, with three grooves evenly spaced around the circumference in each set.

[0044] The anti-deformation heat dissipation groove 2 is inclined away from the center of the saw blade body 1 and towards the rotation direction of the saw blade body 1. The width of the anti-deformation heat dissipation groove 2 gradually increases in the direction away from the center of the saw blade body 1. The anti-deformation heat dissipation groove 2 is radially outward and inclined towards the rotation and cutting direction of the saw blade body 1.

[0045] The anti-deformation heat dissipation groove 2 includes a first arc-shaped edge 3 and a second arc-shaped edge 4. Both the first arc-shaped edge 3 and the second arc-shaped edge 4 have an arc-shaped transition edge 5 between one end of the first arc-shaped edge 3 and the second arc-shaped edge 4. A straight edge 6 is provided between one end of the straight edge 6 and the first arc-shaped edge 3, the other end of the straight edge 6 and the second arc-shaped edge 4, and a rounded corner edge 7 is provided. The anti-deformation heat dissipation groove 2 forms a crescent-shaped structure by sequentially enclosing the first arc-shaped edge 3, the transition edge 5, the second arc-shaped edge 4, the rounded corner edge 7, the straight edge 6, and the rounded corner edge 7. This structure not only has good heat dissipation effect but also good structural strength and strong resistance to deformation.

[0046] A number of tooth backs 8 are circumferentially spaced along the outer edge of the saw blade body 1. The tooth backs 8 are evenly distributed circumferentially, and cutting heads 9 are mounted on the tooth backs 8. Chip grooves 10 are formed between adjacent tooth backs 8. The bottom surface of the chip grooves 10 has an arc-shaped structure, and the chip grooves 10 are located on the outer edge of the saw blade body 1. The openings of the chip grooves 10 are biased towards the rotational cutting direction of the saw blade body 1. A recessed tooth seat 11 is provided on the side of the tooth back 8 facing the cutting direction, and the cutting head 9 is welded to the recess of the tooth seat 11.

[0047] A central hole 12 is provided at the center of the saw blade body 1. The distance from the outer end of the anti-deformation heat dissipation groove 2 to the bottom of the chip groove 10 is L1, and the distance from the inner end of the anti-deformation heat dissipation groove 2 to the edge of the central hole 12 is L2. L1 is 5mm~25mm, and L2 is ≥10mm. The distances between the anti-deformation heat dissipation groove 2 and the central hole 12, and between the anti-deformation heat dissipation groove 2 and the chip groove 10 are reasonably set to ensure the structural strength of the saw blade body 1 and improve its anti-deformation ability. The distance between the inner and outer ends of the anti-deformation heat dissipation groove 2 is L3, and L3 is 15mm~30mm; the minimum distance between two adjacent anti-deformation heat dissipation grooves 2 is L4, and L4 is 5mm~15mm. The length of the anti-deformation heat dissipation groove 2 and the spacing between two adjacent anti-deformation heat dissipation grooves 2 are reasonably set to ensure the heat dissipation effect while ensuring the structural strength of the saw blade body 1. In this embodiment, L1 is 10mm, L2 ≥30mm, L3 is 18mm, and L4 is 6mm.

[0048] The cutting head 9 includes a left-angled cutter head 13 and a right-angled cutter head 14. The outer end face 18 of the left-angled cutter head 13 is inclined from right to left towards the center of the saw blade body 1, and the outer end face 18 of the right-angled cutter head 14 is inclined from left to right towards the center of the saw blade body 1. The width of both the left-angled cutter head 13 and the right-angled cutter head 14 is greater than the thickness of the saw blade body 1. The left and right sides of the left-angled cutter head 13 extend out of the left and right sides of the saw blade body 1, respectively, and the left and right sides of the right-angled cutter head 14 extend out of the left and right sides of the saw blade body 1, respectively.

[0049] Left-angled cutter head 13 and right-angled cutter head 14 are alternately arranged circumferentially. The left side 16, right side 17, outer end face 18, and front side 19 of the cutting cutter head 9 are all flat. The flat structure facilitates the grinding and finishing of the cutting cutter head 9. A corner surface 15 is provided on the front side 19 of the cutting cutter head 9 near the center of the saw blade body 1. The corner surface 15 is inclined away from the rotational cutting direction of the saw blade body 1. The corner surface 15 is conducive to the discharge of chips.

[0050] The left side 16 and right side 17 of the cutting head 9 are both inclined in a direction away from the rotational cutting direction of the saw blade body 1 and towards each other. The inclined arrangement of the left side 16 and right side 17 of the cutting head 9 reduces the contact area between the left side 16 and right side 17 of the cutting head 9 and the sawing section, which helps to reduce sawing resistance. The space formed between the rear side of the left side 16 and right side 17 and the sawing surface is conducive to heat dissipation and chip removal.

[0051] The saw blade body 1 is provided with several sets of closed anti-deformation heat dissipation grooves 2. During the rotation and cutting process of the saw blade body 1, the anti-deformation heat dissipation grooves 2 play a heat dissipation role. Moreover, the anti-deformation heat dissipation grooves 2 are closed, ensuring the structural strength of the saw blade body 1 around the anti-deformation heat dissipation grooves 2 and preventing deformation of the saw blade body 1. The anti-deformation heat dissipation grooves 2 are inclined off-radial, and the width of the anti-deformation heat dissipation grooves 2 gradually increases away from the center of the saw blade body 1. During the rotation of the saw blade body 1, the tangential force on the anti-deformation heat dissipation grooves 2 can be decomposed radially, thereby reducing the effect of the tangential force on the saw blade body 1 at the anti-deformation heat dissipation grooves 2 and reducing the risk of deformation of the anti-deformation heat dissipation grooves 2. The several sets of anti-deformation heat dissipation grooves 2 are evenly distributed circumferentially, so that the force on all positions of the saw blade body 1 is uniform during the rotation process, ensuring the structural strength of the saw blade body 1.

[0052] A method for processing an anti-deformation saw blade includes the following steps: S1, processing an anti-deformation heat dissipation groove 2 on the saw blade body 1. The anti-deformation heat dissipation groove 2 is processed by stamping. First, a rough outline is stamped out, and then the outline is trimmed to form a complete anti-deformation heat dissipation groove 2; S2, processing several circumferentially spaced receiving grooves on the edge of the saw blade body 1, with tooth backs 8 formed between adjacent receiving grooves; S3, performing heat treatment on the saw blade body 1, which involves quenching first and then tempering; S4, processing tooth seats 11 on the tooth backs 8; S5, welding a cutting head 9 onto the tooth seat 11. The cutting head 9 includes a left oblique head 13 and a right oblique head 14, which are alternately arranged circumferentially.

[0053] During saw blade processing, anti-deformation heat dissipation grooves 2 and chip-collecting grooves 10 are machined on the saw blade body 1. After heat treatment, the saw blade body 1 is made harder. Then, the cutting head 9 is welded to the tooth holder 11 to form the saw blade. The saw blade is easy to process, and the processed saw blade has good heat dissipation, good structural strength, is not easily deformed during cutting, and has a long service life.

[0054] Example 3: An anti-deformation saw blade (see...) Figure 4 , Figure 5 The saw blade body 1 is a disc-shaped structure. Several sets of closed anti-deformation heat dissipation grooves 2 are evenly distributed around the circumference of the saw blade body 1, with several grooves evenly spaced around the circumference in each set. In this embodiment, four sets of closed anti-deformation heat dissipation grooves 2 are evenly distributed around the circumference of the saw blade body 1, with three grooves evenly spaced around the circumference in each set.

[0055] The anti-deformation heat dissipation groove 2 is inclined away from the center of the saw blade body 1 and towards the rotation direction of the saw blade body 1. The width of the anti-deformation heat dissipation groove 2 gradually increases in the direction away from the center of the saw blade body 1. The anti-deformation heat dissipation groove 2 is radially outward and inclined towards the rotation and cutting direction of the saw blade body 1.

[0056] The anti-deformation heat dissipation groove 2 includes a first long side 20 and a second long side 21, both of which have a wavy structure. An arc-shaped transition edge 5 is provided between one end of the first long side 20 and the second long side 21, and a straight edge 6 is provided between one end of the first long side 20 and the second long side 21. Rounded corner edges 7 are provided between one end of the straight edge 6 and the first long side 20, and between the other end of the straight edge 6 and the second long side 21. The anti-deformation heat dissipation groove 2 forms a crescent-shaped structure by sequentially enclosing the first long side 20, the transition edge 5, the second long side 21, the rounded corner edge 7, the straight edge 6, and the rounded corner edge 7. This structure not only provides good heat dissipation but also good structural strength and strong resistance to deformation. The wavy structure of both the first long side 20 and the second long side 21 can absorb vibration energy and reduce noise.

[0057] A number of tooth backs 8 are circumferentially spaced along the outer edge of the saw blade body 1. The tooth backs 8 are evenly distributed circumferentially, and cutting heads 9 are mounted on the tooth backs 8. Chip grooves 10 are formed between adjacent tooth backs 8. The bottom surface of the chip grooves 10 has an arc-shaped structure, and the chip grooves 10 are located on the outer edge of the saw blade body 1. The openings of the chip grooves 10 are biased towards the rotational cutting direction of the saw blade body 1. A recessed tooth seat 11 is provided on the side of the tooth back 8 facing the cutting direction, and the cutting head 9 is welded to the recess of the tooth seat 11.

[0058] A central hole 12 is provided at the center of the saw blade body 1. The distance from the outer end of the anti-deformation heat dissipation groove 2 to the bottom of the chip groove 10 is L1, and the distance from the inner end of the anti-deformation heat dissipation groove 2 to the edge of the central hole 12 is L2. L1 is 5mm~25mm, and L2 is ≥10mm. The distances between the anti-deformation heat dissipation groove 2 and the central hole 12, and between the anti-deformation heat dissipation groove 2 and the chip groove 10 are reasonably set to ensure the structural strength of the saw blade body 1 and improve its anti-deformation ability. The distance between the inner and outer ends of the anti-deformation heat dissipation groove 2 is L3, and L3 is 15mm~30mm; the minimum distance between two adjacent anti-deformation heat dissipation grooves 2 is L4, and L4 is 5mm~15mm. The length of the anti-deformation heat dissipation groove 2 and the spacing between two adjacent anti-deformation heat dissipation grooves 2 are reasonably set to ensure the heat dissipation effect while ensuring the structural strength of the saw blade body 1. In this embodiment, L1 is 10mm, L2 ≥30mm, L3 is 18mm, and L4 is 6mm.

[0059] The cutting head 9 includes a left-angled cutter head 13 and a right-angled cutter head 14. The outer end face 18 of the left-angled cutter head 13 is inclined from right to left towards the center of the saw blade body 1, and the outer end face 18 of the right-angled cutter head 14 is inclined from left to right towards the center of the saw blade body 1. The width of both the left-angled cutter head 13 and the right-angled cutter head 14 is greater than the thickness of the saw blade body 1. The left and right sides of the left-angled cutter head 13 extend out of the left and right sides of the saw blade body 1, respectively, and the left and right sides of the right-angled cutter head 14 extend out of the left and right sides of the saw blade body 1, respectively.

[0060] Left-angled cutter head 13 and right-angled cutter head 14 are alternately arranged circumferentially. The left side 16, right side 17, outer end face 18, and front side 19 of the cutting cutter head 9 are all flat. The flat structure facilitates the grinding and finishing of the cutting cutter head 9. A corner surface 15 is provided on the front side 19 of the cutting cutter head 9 near the center of the saw blade body 1. The corner surface 15 is inclined away from the rotational cutting direction of the saw blade body 1. The corner surface 15 is conducive to the discharge of chips.

[0061] The left side 16 and right side 17 of the cutting head 9 are both inclined in a direction away from the rotational cutting direction of the saw blade body 1 and towards each other. The inclined arrangement of the left side 16 and right side 17 of the cutting head 9 reduces the contact area between the left side 16 and right side 17 of the cutting head 9 and the sawing section, which helps to reduce sawing resistance. The space formed between the rear side of the left side 16 and right side 17 and the sawing surface is conducive to heat dissipation and chip removal.

[0062] The saw blade body 1 is provided with several sets of closed anti-deformation heat dissipation grooves 2. During the rotation and cutting process of the saw blade body 1, the anti-deformation heat dissipation grooves 2 play a heat dissipation role. Moreover, the anti-deformation heat dissipation grooves 2 are closed, ensuring the structural strength of the saw blade body 1 around the anti-deformation heat dissipation grooves 2 and preventing deformation of the saw blade body 1. The anti-deformation heat dissipation grooves 2 are inclined off-radial, and the width of the anti-deformation heat dissipation grooves 2 gradually increases away from the center of the saw blade body 1. During the rotation of the saw blade body 1, the tangential force on the anti-deformation heat dissipation grooves 2 can be decomposed radially, thereby reducing the effect of the tangential force on the saw blade body 1 at the anti-deformation heat dissipation grooves 2 and reducing the risk of deformation of the anti-deformation heat dissipation grooves 2. The several sets of anti-deformation heat dissipation grooves 2 are evenly distributed circumferentially, so that the force on all positions of the saw blade body 1 is uniform during the rotation process, ensuring the structural strength of the saw blade body 1.

[0063] A method for processing an anti-deformation saw blade includes the following steps: S1, processing an anti-deformation heat dissipation groove 2 on the saw blade body 1. The anti-deformation heat dissipation groove 2 is processed by stamping. First, a rough outline is stamped out, and then the outline is trimmed to form a complete anti-deformation heat dissipation groove 2; S2, processing several circumferentially spaced receiving grooves on the edge of the saw blade body 1, with tooth backs 8 formed between adjacent receiving grooves; S3, performing heat treatment on the saw blade body 1, which involves quenching first and then tempering; S4, processing tooth seats 11 on the tooth backs 8; S5, welding a cutting head 9 onto the tooth seat 11. The cutting head 9 includes a left oblique head 13 and a right oblique head 14, which are alternately arranged circumferentially.

[0064] During saw blade processing, anti-deformation heat dissipation grooves 2 and chip-collecting grooves 10 are machined on the saw blade body 1. After heat treatment, the saw blade body 1 is made harder. Then, the cutting head 9 is welded to the tooth holder 11 to form the saw blade. The saw blade is easy to process, and the processed saw blade has good heat dissipation, good structural strength, is not easily deformed during cutting, and has a long service life.

[0065] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Other variations and modifications may be made without departing from the technical solutions described in the claims.

Claims

1. An anti-deformation saw blade, characterized in that, The saw blade body includes several sets of closed anti-deformation heat dissipation grooves evenly distributed around its circumference. Each set contains several grooves spaced evenly around its circumference. These grooves are angled away from the center of the saw blade body and towards its rotation direction. The width of the grooves gradually increases towards the direction away from the center. The groove outline includes a first and second long side with a wavy structure. An arc-shaped transition edge is provided between one end of the first and second long sides, and a straight edge is provided between the other ends. Rounded corners are provided between one end of the straight edge and the first long side, and between the other end of the straight edge and the second long side. The anti-deformation heat dissipation groove is connected by a... A crescent-shaped structure is formed by a long side, a transition side, a second long side, a rounded corner side, a straight side, and another rounded corner side in sequence. Several tooth backs are arranged circumferentially around the outer edge of the saw blade body, and cutting heads are installed on the tooth backs. Chip grooves are formed between adjacent tooth backs. A central hole is set in the center of the saw blade body. The distance from the outer end of the anti-deformation heat dissipation groove to the bottom of the chip groove is L1, and the distance from the inner end of the anti-deformation heat dissipation groove to the edge of the central hole is L2. L1 is 5mm~25mm, and L2≥10mm. The distance between the inner and outer ends of the anti-deformation heat dissipation groove is L3, and L3 is 15mm~30mm. The minimum distance between two adjacent anti-deformation heat dissipation grooves is L4, and L4 is 5mm~15mm.

2. The anti-deformation saw blade according to claim 1, characterized in that, Chip grooves are located on the outer edge of the saw blade body.

3. The anti-deformation saw blade according to claim 1, characterized in that, The bottom surface of the chip groove has an arc-shaped structure, and the opening of the chip groove is set towards the direction of rotation and cutting of the saw blade body.

4. The anti-deformation saw blade according to claim 1, characterized in that, The cutting head includes a left-angled cutting head and a right-angled cutting head, which are arranged alternately along the circumference.

5. The anti-deformation saw blade according to claim 1, characterized in that, The left side, right side, outer end face, and front side of the cutting head are all flat.

6. A deformation-resistant saw blade according to any one of claims 1 to 5, characterized in that, The left and right sides of the cutting head are both inclined in a direction away from the cutting direction and towards each other.

7. A deformation-resistant saw blade according to any one of claims 1 to 5, characterized in that, The front side of the cutting head has a corner surface near the center of the saw blade body, and the corner surface is inclined away from the cutting direction.

8. A method for processing an anti-deformation saw blade, characterized in that, The processing of the anti-deformation saw blade according to any one of claims 1 to 7 includes the following steps: S1, processing anti-deformation heat dissipation grooves on the saw blade body; S2, processing a plurality of circumferentially spaced receiving grooves on the edge of the saw blade body, with tooth backs formed between adjacent receiving grooves; S3, performing heat treatment on the saw blade body; S4, processing tooth seats on the tooth backs; S5, welding cutting heads onto the tooth seats.

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