Anti-falling diamond saw blade tool bit

Abstract

The utility model discloses an anti-drop diamond saw blade tool bit, which relates to the technical field of diamond saw blades and comprises a saw blade body and a screw, the diamond tool bit is welded and mounted at the top of the saw blade body, a top cover is mounted at the top of the saw blade body in a threaded manner, and a mounting disc is arranged at the center of the saw blade body. A tenon tail is fixedly arranged on one side of the diamond tool bit, the tenon tail is in a dovetail shape, and the top cover and the diamond tool bit are both matched with the tenon tail. Compared with the prior art, the diamond tool bit has the advantages that a mortise and tenon structure is formed by the second dovetail groove, the first dovetail groove and the tenon tail, grooving on the main body of the diamond tool bit is not needed, damage to the overall strength of the diamond tool bit is avoided, and the risk of breakage of the tool bit is reduced; and through cooperation of the outer heat dissipation structure and the inner heat dissipation structure, heat dissipation of the diamond tool bit can be greatly improved, and the heat dissipation capacity of the diamond tool bit is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to diamond saw blade technical field, especially in a kind of anti-falling diamond saw blade tool bit. BACKGROUND

[0002] Diamond saw blade is a kind of cutting tool, is widely used in concrete, refractory material, stone, ceramic and other hard brittle material processing.Diamond saw blade is mainly composed of two parts;Base and tool bit.Base is the main support part of bonding tool bit.

[0003] The Chinese patent with publication number CN220297509U discloses an anti-falling diamond saw blade tool bit, which includes a saw blade, an installation seat is fixedly connected to the outer surface of the saw blade, a tool bit is fixedly connected to the side of the installation seat away from the saw blade, a first threaded hole is formed in one side of the installation seat, a bolt is threadedly connected to the inner wall of the first threaded hole, a reinforcing shell is movably connected to the outer surface of the installation seat, and a second threaded hole is formed in one side of the reinforcing shell. The utility model has the following advantages and effects: during installation, the installation seat on the outer surface of the saw blade is used to weld the tool bit. After the tool bit is welded, the reinforcing shell is placed on the outer surface of the installation seat. The bolt is screwed into the second threaded hole and then into the first threaded hole. The end of the bolt is located in the first threaded hole, and the tail is located in the second threaded hole. The reinforcing shell can be fixed on the installation seat, and the reinforcing shell is fixedly connected with the reinforcing sleeve.

[0004] The prior art prevents the tool bit from breaking at the welding point by fixing a reinforcing shell on the outside of the tool bit. However, when using this technology, a square groove needs to be formed on the tool bit to restrict the tool bit. During cutting operations, there is a high requirement for the overall structural strength of the tool bit. After the square groove is formed, the overall strength of the tool bit is easily damaged, causing the tool bit to break. In addition, the reinforcing shell on the outside of the tool bit also affects the heat dissipation of the tool bit, making the heat dissipation effect of the tool bit worse. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an anti-falling diamond saw blade tool bit to solve the problem that the prior art easily damages the overall strength of the tool bit, causing the tool bit to break, and the heat dissipation effect of the tool bit is poor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-falling diamond saw blade tool bit, comprising: a saw blade body and a screw, a diamond tool bit is welded and installed on the side edge of the saw blade body, a top cover is threadedly installed on the top of the saw blade body, an installation disc is arranged at the center of the saw blade body, a dovetail is fixedly arranged on one side of the diamond tool bit, the dovetail is in the shape of a swallowtail, and the top cover and the diamond tool bit are both adapted to the dovetail.

[0007] An outer heat dissipation structure is arranged at the bottom of the saw blade body and the top of the top cover, and is used for dissipating heat by rotation of the saw blade body.

[0008] An inner heat dissipation structure is arranged inside the top cover and is used for conducting heat of the diamond tool bit.

[0009] Preferably, the outer side of the saw blade body is arranged with a plurality of groups of first bases, the first bases are arranged with first tool bit grooves inside, the inner side of the first tool bit grooves is arranged with first dovetail grooves, the first dovetail grooves are arranged in matching with the tenon tail, and the two sides of the first tool bit grooves are arranged with first fastening holes.

[0010] Preferably, one side of the first dovetail groove is fixedly arranged with a welding seat flush with one side of the first dovetail groove.

[0011] Preferably, the outer side of the top cover is arranged with a plurality of groups of second bases arranged in matching with the first bases, the second bases are arranged with second tool bit grooves inside, the first tool bit grooves and the second tool bit grooves are arranged in correspondence, the diamond tool bit is installed in the first tool bit grooves and the second tool bit grooves, the two sides of the second tool bit grooves are arranged with second fastening holes, one side of the second fastening holes is arranged with a second dovetail groove, one side of the second dovetail groove is arranged with a giving-up groove, the second dovetail groove is arranged in matching with the tenon tail, and the giving-up groove is arranged in matching with the welding seat.

[0012] Preferably, the screw is rotatably installed in the first fastening hole, and the screw is arranged in threaded connection with the second fastening hole.

[0013] Preferably, the outer heat dissipation structure comprises a plurality of groups of first ring grooves arranged at the bottom of the saw blade body, the first ring grooves are in the shape of ring grooves, the bottom of the saw blade body is arranged with first inclined grooves in an array, the first inclined grooves are in the shape of arc-shaped grooves, a plurality of groups of second ring grooves are arranged at the top of the top cover, the second ring grooves are in the shape of ring grooves, the top of the top cover is arranged with second inclined grooves in an array, the second inclined grooves are in the shape of arc-shaped grooves, the first inclined grooves intersect with the first ring grooves, the first inclined grooves are inclined to the direction of rotation, and the second ring grooves and the second inclined grooves are arranged in symmetry with the first inclined grooves and the first ring grooves.

[0014] Preferably, the inner heat dissipation structure comprises a copper sheet groove arranged inside the second tool bit groove, and the copper sheet groove is fixedly arranged with a heat dissipation copper sheet inside.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] The utility model discloses a reasonable structure, through the second dovetail groove and first dovetail groove of setting form a complete dovetail groove, and the mortise is stuck in the first dovetail groove and the inside of second dovetail groove, after the welding place of diamond cutter head and welding seat produces fracture, under the action of first dovetail groove and second dovetail groove, diamond cutter head will not fall out immediately, because the use of mortise and tenon structure, need not groove on the main body of diamond cutter head, avoid the damage of diamond cutter head overall strength under the condition of preventing diamond cutter head from falling off, reduce the risk of cutter head fracture,

[0017] In the utility model, the copper sheet groove is set to press the heat dissipation copper sheet on the diamond cutter head, the heat dissipation copper sheet has good heat conductivity, can quickly transfer the heat generated when the diamond cutter head cuts to the top cover, and the heat is transferred to the outside through the top cover, because the copper sheet groove is set, the top cover wall thickness is thin at the copper sheet groove, can quickly take away the heat when the heat dissipation copper sheet conducts heat, and the first inclined groove and the second inclined groove can quickly take away the heat generated by the diamond cutter head, the second ring groove and the second inclined groove are set, can increase the heat dissipation area, improve the heat dissipation capacity, make the heat dissipation effect better, the cooperation of the outer heat dissipation structure and the inner heat dissipation structure can greatly increase the heat dissipation of the diamond cutter head, improve the heat dissipation capacity of the diamond cutter head, avoid the damage of the diamond cutter head in the cutting process. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front perspective structure schematic diagram of the utility model;

[0019] Figure 2 It is the saw blade body bottom structure schematic diagram of the utility model;

[0020] Figure 3 It is the saw blade body top structure schematic diagram of the utility model;

[0021] Figure 4 It is the diamond cutter head perspective structure schematic diagram of the utility model;

[0022] Figure 5 It is the top cover top perspective structure schematic diagram of the utility model;

[0023] Figure 6 It is the top cover bottom perspective structure schematic diagram of the utility model;

[0024] Figure 7 It is the utility model Figure 3 The enlarged view of A in the utility model;

[0025] Figure 8 It is the utility model Figure 4 The enlarged view of B in the utility model;

[0026] Figure 9The utility model discloses Figure 6 The enlarged view of the middle C.

[0027] In the figure: 1, saw blade body; 2, top cover; 3, diamond cutter head; 4, screw; 5, first base body; 6, first cutter head groove; 7, first dovetail groove; 8, welding seat; 9, first fastening hole; 10, tenon tail; 11, mounting disc; 12, first ring groove; 13, first inclined groove; 14, second ring groove; 15, second inclined groove; 16, second base body; 17, second fastening hole; 18, second cutter head groove; 19, copper sheet groove; 20, second dovetail groove; 21, let go of the slot; 22, heat dissipation copper sheet. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of protection of the utility model.

[0029] As Figures 1 to 9 The utility model discloses a kind of anti-falling diamond saw blade cutter heads as shown in the drawing, including: saw blade body 1 and screw 4, diamond cutter head 3 is welded and installed in the side of saw blade body 1, top cover 2 is threadedly installed in the top of saw blade body 1, mounting disc 11 is provided at the center of saw blade body 1, tenon tail 10 is fixedly provided in the side of diamond cutter head 3, tenon tail 10 is dovetail, top cover 2 and diamond cutter head 3 are all adapted to be set with tenon tail 10, screw 4 is rotatably installed in the inside of first fastening hole 9, screw 4 is threadedly connected with second fastening hole 17 and set;Outer heat dissipation structure, it is set in the bottom of saw blade body 1 and the top of top cover 2, outer heat dissipation structure is used to heat dissipation using the rotation of saw blade body 1;Inner heat dissipation structure, it is set in the inside of top cover 2, inner heat dissipation structure is used for the heat of diamond cutter head 3 is conducted;

[0030] In use, the diamond tool bit 3 is fitted in the first tool bit groove 6, at this time the mortise tail 10 is clamped in the first dovetail groove 7, the diamond tool bit 3 can be welded through the welding seat 8, because the welding seat 8 is arranged, the molten pool with sufficient width is formed when the diamond tool bit 3 is welded, so that the welding is more stable, the first dovetail groove 7 and the second dovetail groove 20 form a complete dovetail groove, the mortise tail 10 is clamped in the first dovetail groove 7 and the second dovetail groove 20, after the diamond tool bit 3 and the welding seat 8 are welded, the diamond tool bit 3 will not fall out immediately under the action of the first dovetail groove 7 and the second dovetail groove 20, because the mortise and tenon structure is used, the slot does not need to be opened on the main body of the diamond tool bit 3, the damage to the overall strength of the diamond tool bit 3 is avoided in the case of preventing the diamond tool bit 3 from falling off, the risk of tool breakage is reduced, and the heat dissipation of the diamond tool bit 3 is greatly increased through the arranged outer heat dissipation structure and the inner heat dissipation structure, the heat dissipation capacity of the diamond tool bit 3 is improved, and damage to the diamond tool bit 3 caused by overheating during cutting is avoided.

[0031] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 7 , the outer side of the saw blade body 1 is arranged with a plurality of first bases 5, the first base 5 is internally provided with a first tool bit groove 6, the inner side of the first tool bit groove 6 is provided with a first dovetail groove 7, the first dovetail groove 7 is arranged in matching with the mortise tail 10, the two sides of the first tool bit groove 6 are provided with first fastening holes 9, one side of the first dovetail groove 7 is fixedly provided with a welding seat 8, and the welding seat 8 is flush with one side of the first dovetail groove 7.

[0032] The diamond tool bit 3 can be welded through the welding seat 8, because the welding seat 8 is arranged, the molten pool with sufficient width is formed when the diamond tool bit 3 is welded, so that the welding is more stable, the first dovetail groove 7 and the second dovetail groove 20 form a complete dovetail groove, the mortise tail 10 is clamped in the first dovetail groove 7 and the second dovetail groove 20, after the diamond tool bit 3 and the welding seat 8 are welded, the diamond tool bit 3 will not fall out immediately under the action of the first dovetail groove 7 and the second dovetail groove 20, because the mortise and tenon structure is used, the slot does not need to be opened on the main body of the diamond tool bit 3, the damage to the overall strength of the diamond tool bit 3 is avoided in the case of preventing the diamond tool bit 3 from falling off, the risk of tool breakage is reduced.

[0033] As shown in Figure 1 , Figure 5 , Figure 6 and Figure 9As shown, the outer side of the top cover 2 is provided with a plurality of groups of second bases 16, which are matched with the first bases 5, and the inside of the second base 16 is provided with a second tool bit groove 18, which is correspondingly arranged with the first tool bit groove 6, and the diamond tool bit 3 is installed in the first tool bit groove 6 and the second tool bit groove 18, and the two sides of the second tool bit groove 18 are provided with a second fastening hole 17, one side of the second fastening hole 17 is provided with a second dovetail groove 20, and one side of the second dovetail groove 20 is provided with a let go groove 21, and the second dovetail groove 20 is matched with the tenon tail 10, and the let go groove 21 is matched with the welding seat 8;

[0034] The let go groove 21 can avoid the welding scar between the diamond tool bit 3 and the welding seat 8 due to welding, so that the saw blade body 1 and the top cover 2 cannot be closed due to the existence of the welding scar, and the second dovetail groove 20 and the first dovetail groove 7 form a complete dovetail groove, and the tenon tail 10 is clamped in the first dovetail groove 7 and the second dovetail groove 20, and after the welding of the diamond tool bit 3 and the welding seat 8 is broken, the diamond tool bit 3 will not fall out immediately under the action of the first dovetail groove 7 and the second dovetail groove 20, and since the mortise and tenon structure is used, the slot on the main body of the diamond tool bit 3 is not needed, the damage to the overall strength of the diamond tool bit 3 is avoided in the case of preventing the diamond tool bit 3 from falling off, and the risk of tool bit breakage is reduced.

[0035] As shown in Figure 2 and Figure 5 The outer heat dissipation structure includes a plurality of groups of first ring grooves 12 opened at the bottom of the saw blade body 1, the first ring groove 12 is in the shape of a ring groove, the bottom of the saw blade body 1 is arrayed with a first inclined groove 13, the first inclined groove 13 is in the shape of an arc-shaped groove, the top of the top cover 2 is provided with a plurality of groups of second ring grooves 14, the second ring groove 14 is in the shape of a ring groove, the top of the top cover 2 is arrayed with a second inclined groove 15, the second inclined groove 15 is in the shape of an arc-shaped groove, the first inclined groove 13 intersects with the first ring groove 12, and the first inclined groove 13 is inclined to the direction of rotation, and the second ring groove 14 and the second inclined groove 15 are symmetrically arranged with the first inclined groove 13 and the first ring groove 12;

[0036] By opening the first ring groove 12 and the first inclined groove 13 on the saw blade body 1 and opening the second ring groove 14 and the second inclined groove 15 on the top cover 2, when cutting operation is performed, the air can flow quickly along the arc-shaped path of the first inclined groove 13 and the second inclined groove 15 during the rotation of the saw blade body 1 due to the fact that the first inclined groove 13 is inclined to the direction of rotation, so as to quickly take away the heat generated by the diamond tool bit 3, and the second ring groove 14 and the second inclined groove 15 can increase the heat dissipation area and improve the heat dissipation capacity, so that the heat dissipation effect is better.

[0037] As shown in Figure 6 and Figure 9As shown, the internal heat dissipation structure includes a copper sheet groove 19 arranged inside the second cutter head groove 18, and a heat dissipation copper sheet 22 is fixedly arranged inside the copper sheet groove 19;

[0038] The heat dissipation copper sheet 22 is pressed against the diamond cutter head 3 through the copper sheet groove 19, and since the heat dissipation copper sheet 22 has good heat conductivity, the heat generated during cutting of the diamond cutter head 3 can be quickly transferred to the top cover 2 and then to the outside through the top cover 2. Since the copper sheet groove 19 is arranged, the wall thickness of the top cover 2 at the copper sheet groove 19 is thin, and the heat dissipation copper sheet 22 can quickly take away the heat on the diamond cutter head 3 during heat conduction. Since the heat dissipation effect of the heat dissipation copper sheet 22 is higher than that of the top cover 2, and the wall thickness of the top cover 2 at the copper sheet groove 19 is thin, the heat dissipation capacity at this position is higher than that of other positions of the top cover 2. The heat can be quickly conducted out through the heat dissipation copper sheet 22, and then dissipated through the external heat dissipation structure near the copper sheet groove 19. Through the cooperation of the external heat dissipation structure and the internal heat dissipation structure, the heat dissipation of the diamond cutter head 3 can be greatly increased, the heat dissipation capacity of the diamond cutter head 3 is improved, and damage to the diamond cutter head 3 caused by overheating during cutting is avoided.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A retention loss preventing diamond saw blade bit, characterized by, Include: Saw blade body (1) and screw (4), the side of the saw blade body (1) is welded with diamond cutter head (3), the top of the saw blade body (1) is screwed with top cover (2), the center of the saw blade body (1) is provided with mounting disc (11), one side of the diamond cutter head (3) is fixedly provided with dovetail (10), the dovetail (10) is swallowtail-shaped, the top cover (2) and the diamond cutter head (3) are matched with the dovetail (10). External heat dissipation structure, which is arranged at the bottom of the saw blade body (1) and the top of the top cover (2), is used for heat dissipation by rotating the saw blade body (1); Internal heat dissipation structure, which is arranged inside the top cover (2), is used for conducting heat of the diamond cutter head (3).

2. The anti-loose diamond saw blade bit according to claim 1, characterized in that, The outer side of the saw blade body (1) is arranged with a plurality of first base bodies (5), the first base body (5) is arranged with a first cutter head groove (6) inside, the inner side of the first cutter head groove (6) is arranged with a first dovetail groove (7), the first dovetail groove (7) is matched with the dovetail (10), and the two sides of the first cutter head groove (6) are arranged with first fastening holes (9).

3. The anti-loose diamond saw blade bit according to claim 2, characterized in that, One side of the first dovetail groove (7) is fixedly provided with a welding seat (8), and the welding seat (8) is flush with one side of the first dovetail groove (7).

4. The anti-loose diamond saw blade head according to claim 3, characterized in that, The outer side of the top cover (2) is arranged with a plurality of second base bodies (16), the second base body (16) is matched with the first base body (5), the second base body (16) is arranged with a second cutter head groove (18) inside, the first cutter head groove (6) and the second cutter head groove (18) are correspondingly arranged, the diamond cutter head (3) is installed in the first cutter head groove (6) and the second cutter head groove (18), the two sides of the second cutter head groove (18) are arranged with second fastening holes (17), one side of the second fastening hole (17) is provided with a second dovetail groove (20), one side of the second dovetail groove (20) is provided with a gap groove (21), the second dovetail groove (20) is matched with the dovetail (10), and the gap groove (21) is matched with the welding seat (8).

5. The anti-loose diamond saw blade bit according to claim 4, characterized in that, The screw (4) is rotatably installed in the first fastening hole (9), and the screw (4) is threadedly connected with the second fastening hole (17).

6. The anti-loose diamond saw blade bit according to claim 1, wherein, The outer heat dissipation structure comprises a plurality of groups of first annular grooves (12) formed in the bottom of the saw blade body (1), the first annular grooves (12) are annular groove-shaped, the bottom of the saw blade body (1) is arrayed with first inclined grooves (13), the first inclined grooves (13) are arc-shaped recesses, the top of the top cover (2) is formed with a plurality of groups of second annular grooves (14), the second annular grooves (14) are annular groove-shaped, the top of the top cover (2) is arrayed with second inclined grooves (15), the second inclined grooves (15) are arc-shaped recesses, the first inclined grooves (13) intersect with the first annular grooves (12), the first inclined grooves (13) are inclined to the direction of rotation, and the second annular grooves (14) and the second inclined grooves (15) are symmetrically arranged with the first inclined grooves (13) and the first annular grooves (12).

7. The anti-loose diamond saw blade bit according to claim 4, characterized in that, The inner heat dissipation structure comprises a copper sheet groove (19) arranged in the second cutter head groove (18), and heat dissipation copper sheets (22) are fixedly arranged in the copper sheet groove (19).

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