Explosion-proof saw blade

Abstract

The anti-explosion saw blade comprises a saw blade body and a transmission shaft, a water inlet box is welded to the outer wall of one side of the saw blade body, a water inlet pipe is rotationally connected to the outer wall of the other side, away from the saw blade body, of the water inlet box through a sealing bearing, and a heat dissipation cavity and a channel are formed in the saw blade body; the heat dissipation cavity communicates with the water inlet box through the channel, a heat conduction piece is arranged on the inner wall of the heat dissipation cavity, and a water outlet box is rotationally connected to the outer wall of the other side, away from the water inlet box, of the saw blade body through a sealing bearing. Cold water enters the heat dissipation cavity through the water inlet box and the channel through the water inlet pipe and then enters the water outlet box through the channel, heat of the saw blade body is conducted out through the heat conduction pieces, the cold water can exchange heat with the heat rapidly, then rapid heat dissipation of the saw blade body is achieved, the saw blade body can be prevented from bursting when the temperature is too high, and the service life of the saw blade is prolonged. The explosion-proof function is achieved, and the transmission shaft is sleeved with the shaft sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of saw blades, in particular to an explosion-proof saw blade. Background Art

[0002] Saw blades are a general term for thin circular tools used to cut solid materials. Saw blades can be divided into: diamond saw blades for stone cutting; high-speed steel saw blades for metal cutting (without carbide tips); carbide saw blades for cutting solid wood, furniture, artificial boards, aluminum alloys, aluminum profiles, radiators, plastics, plastic steel, etc.

[0003] For example, a saw blade with announcement number CN104249192A and announcement date 2014.12.31, particularly relates to a special saw blade, whose structure includes a saw blade base, saw teeth are arranged on the outer circle of the saw blade base, noise reduction holes are opened between the saw teeth, heat dissipation holes are arranged on the saw blade base, there are at least 5 noise reduction holes, which are evenly distributed on the saw blade base between the saw teeth, and there are at least 6 heat dissipation holes, which are evenly distributed outside the positioning holes of the saw blade base.

[0004] As mentioned above and in the prior art, when the saw blade is in use, the friction between the saw blade and the cutting object is large, and the saw blade generates heat at high speed. If the heat is not dissipated quickly, the saw blade may explode due to excessive temperature. The heat dissipation structures on most saw blades are heat dissipation grooves or heat dissipation holes, but the heat dissipation effect is poor and slow. If the temperature cannot be dissipated quickly, the saw blade may explode. Therefore, it is urgent to design an explosion-proof saw blade to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an explosion-proof saw blade to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An explosion-proof saw blade comprises a saw blade body and a transmission shaft, a water inlet box is welded on the outer wall of one side of the saw blade body, and the outer wall of the water inlet box on the other side away from the saw blade body is rotatably connected to a water inlet pipe via a sealed bearing, a heat dissipation cavity and a channel are arranged inside the saw blade body, and the heat dissipation cavity is connected to the water inlet box via the channel, a heat conducting sheet is arranged on the inner wall of the heat dissipation cavity, a water outlet box is rotatably connected to the outer wall of the saw blade body on the other side away from the water inlet box via a sealed bearing, and the water outlet box is connected to the channel, and a water outlet pipe is welded on the outer wall of the bottom of the water outlet box.

[0008] Furthermore, a shaft sleeve is welded on the inner wall of the saw blade body, a fixed sealing ring is rotatably connected to the inner wall of the water outlet box via a sealing bearing, and the fixed sealing ring is fixed to the outer wall of the shaft sleeve via bolts.

[0009] Furthermore, a movable plate is slidably connected inside the sleeve, a triangular block is integrally connected to the outer wall at the top of the movable plate, a plurality of plug blocks are integrally connected to the outer wall at the bottom of the movable plate, and a spring connected to the movable plate is arranged on the inner wall of the sleeve.

[0010] Furthermore, an extrusion block is slidably connected inside the shaft sleeve, and a pull block extending to the outside of the shaft sleeve is arranged on the outer wall of one side of the extrusion block, and a plurality of supporting grooves are arranged on the outer wall of the bottom of the extrusion block.

[0011] Furthermore, fixing screws are threadedly connected on the outer walls of the top and bottom of the sleeve, and a fixing hole is opened on the outer wall of the top of the extrusion block, and the fixing screws are threadedly connected inside the fixing hole.

[0012] Furthermore, slots are provided on the outer walls of the top and bottom of the transmission shaft, and the insert blocks are inserted into the slots.

[0013] Furthermore, a reinforcing rod is arranged inside the saw blade body, and a plurality of saw teeth distributed in a circular structure at equal distances are arranged on the outer wall of the saw blade body.

[0014] In the above technical scheme, the utility model provides an explosion-proof saw blade, (1) through the water inlet box, water inlet pipe, heat dissipation cavity, heat conductive sheet, channel, water outlet box and water outlet pipe, cold water enters the heat dissipation cavity through the water inlet box and the channel through the water inlet pipe, and then enters the water outlet box through the channel, the heat conductive sheet conducts the heat of the saw blade body out, the cold water can quickly exchange heat with the heat, and then achieve rapid heat dissipation of the saw blade body, which can prevent the saw blade body from bursting when the temperature is too high, and realize the explosion-proof function; (2) through the shaft sleeve, transmission shaft, The movable plate, triangular block, extrusion block, supporting groove, plug-in block, slot, spring, pull block, fixing screw and fixing hole are used to put the shaft sleeve on the transmission shaft, and push the pull block to drive the extrusion block to squeeze the triangular block of the movable plate, so that the movable plate can drive the plug-in block to move downward, and the plug-in block is inserted into the inside of the slot, and the saw blade body can be installed on the transmission shaft, making the installation process very convenient, so it is also very convenient when disassembling; (3) By setting the reinforcing rod, a plurality of reinforcing rods set inside the saw tooth body can enhance the strength of the saw blade body, making the saw blade body more durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 A three-dimensional structural schematic diagram of an explosion-proof saw blade embodiment of the utility model.

[0017] Figure 2 The utility model provides an internal front view structure diagram of an explosion-proof saw blade embodiment.

[0018] Figure 3 The utility model provides an internal cross-sectional structure schematic diagram of an explosion-proof saw blade embodiment.

[0019] Figure 4 A schematic diagram of the shaft sleeve structure provided for an explosion-proof saw blade embodiment of the utility model.

[0020] Description of reference numerals:

[0021] 1. Saw blade body; 2. Water inlet box; 3. Water inlet pipe; 4. Heat dissipation chamber; 5. Heat conductive sheet; 6. Channel; 7. Water outlet box; 8. Water outlet pipe; 9. Bushing; 10. Drive shaft; 11. Moving plate; 12. Triangular block; 13. Extrusion block; 14. Supporting groove; 15. Insert block; 16. Slot; 17. Spring; 18. Pull block; 19. Fixing screw; 20. Fixing hole; 21. Reinforcement rod; 22. Saw teeth; 23. Fixed sealing ring. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] like Figure 1-4 As shown, an explosion-proof saw blade provided by an embodiment of the utility model includes a saw blade body 1 and a transmission shaft 10, a water inlet box 2 is welded on the outer wall of one side of the saw blade body 1, and the outer wall of the water inlet box 2 on the other side away from the saw blade body 1 is rotatably connected to a water inlet pipe 3 through a sealed bearing, a heat dissipation cavity 4 and a channel 6 are arranged inside the saw blade body 1, and the heat dissipation cavity 4 is connected to the water inlet box 2 through the channel 6, a heat conducting plate 5 is arranged on the inner wall of the heat dissipation cavity 4, a water outlet box 7 is rotatably connected to the outer wall of the saw blade body 1 on the other side away from the water inlet box 2 through a sealed bearing, and the water outlet box 7 is connected to the channel 6, and a water outlet pipe 8 is welded on the outer wall of the bottom of the water outlet box 7.

[0024] The utility model provides an explosion-proof saw blade, comprising a saw blade body 1 and a transmission shaft 10, a water inlet box 2 is welded on the outer wall of one side of the saw blade body 1, and the outer wall of the water inlet box 2 on the other side away from the saw blade body 1 is rotatably connected to a water inlet pipe 3 through a sealed bearing, a heat dissipation cavity 4 and a channel 6 are arranged inside the saw blade body 1, and the heat dissipation cavity 4 is connected to the water inlet box 2 through the channel 6, a heat conducting sheet 5 is arranged on the inner wall of the heat dissipation cavity 4, and the outer wall of the saw blade body 1 on the other side away from the water inlet box 2 is rotatably connected to a water inlet pipe 3 through a sealed bearing A water outlet box 7 is dynamically connected, and the water outlet box 7 is communicated with the channel 6. A water outlet pipe 8 is welded on the outer wall of the bottom of the water outlet box 7, and the water inlet pipe 3 is connected to the external water pipe. The cold water enters the heat dissipation cavity 4 through the water inlet pipe 3, the water inlet box 2 and the channel 6, and then enters the water outlet box 7 through the channel 6. The heat conducting sheet 5 conducts the heat of the saw blade body 1. When the cold water flows, it can quickly exchange heat with the heat, thereby realizing rapid heat dissipation of the saw blade body 1, and can prevent the saw blade body 1 from bursting due to excessive heat.

[0025] Beneficial effect: cold water is led into the heat dissipation cavity 4 through the water inlet box 2 and the channel 6 via the water inlet pipe 3, and then enters the water outlet box 7 through the channel 6. The heat conducting plate 5 conducts the heat of the saw blade body 1, and the cold water can quickly exchange heat with the heat, thereby achieving rapid heat dissipation of the saw blade body 1, which can prevent the saw blade body 1 from bursting when the temperature is too high, thereby achieving an explosion-proof function.

[0026] In one embodiment provided by the present utility model, Figure 3 and Figure 4 As shown, a shaft sleeve 9 is welded on the inner wall of the saw blade body 1, a fixed sealing ring 23 is rotatably connected to the inner wall of the water outlet box 7 via a sealing bearing, and the fixed sealing ring 23 is fixed to the outer wall of the shaft sleeve 9 by bolts, so that the water outlet box 7 will not rotate with the saw blade body 1.

[0027] In another embodiment provided by the present utility model, Figure 3 and Figure 4 As shown, the inner part of the sleeve 9 is slidably connected to a movable plate 11, and a triangular block 12 is integrally connected to the outer wall at the top of the movable plate 11, and a plurality of plug blocks 15 are integrally connected to the outer wall at the bottom of the movable plate 11. A spring 17 connected to the movable plate 11 is provided on the inner wall of the sleeve 9, and the elastic force of the spring 17 will push the movable plate 11 upward.

[0028] In another embodiment provided by the present utility model, Figure 3 and Figure 4 As shown, the inside of the sleeve 9 is slidably connected with an extrusion block 13, and the outer wall of one side of the extrusion block 13 is provided with a pull block 18 extending to the outside of the sleeve 9, and the outer wall at the bottom of the extrusion block 13 is provided with a plurality of abutment grooves 14. When the extrusion block 13 moves, the abutment grooves 14 will squeeze the triangular block 12.

[0029] In one embodiment provided by the present utility model, Figure 3 and Figure 4 As shown, fixing screws 19 are threadedly connected on the outer walls of the top and bottom of the sleeve 9, and a fixing hole 20 is opened on the outer wall of the top of the extrusion block 13. The fixing screws 19 are threadedly connected inside the fixing hole 20 to fix the extrusion block 13.

[0030] In another embodiment provided by the present utility model, Figure 3 and Figure 4 As shown, slots 16 are provided on the outer walls of the top and bottom of the transmission shaft 10 , and the inserting blocks 15 are inserted into the slots 16 .

[0031] In another embodiment provided by the present utility model, Figure 2 As shown, a reinforcing rod 21 is disposed inside the saw blade body 1 , and a plurality of saw teeth 22 equidistantly distributed in a circular structure are disposed on the outer wall of the saw blade body 1 . The plurality of reinforcing rods 21 can enhance the strength of the saw blade body 1 .

[0032] Working principle: When in use, the sleeve 9 is sleeved on the outside of the transmission shaft 10, and the pull block 18 is pushed to drive the extrusion block 13 to move, so that the abutment groove 14 squeezes the triangular block 12, which can make the triangular block 12 drive the moving plate 11 to move downward, so that the insertion block 15 is inserted into the inside of the slot 16, and then the fixing screw 19 is threaded through the sleeve 9 and then threaded into the inside of the fixing hole 20, and the saw blade body 1 can be installed on the transmission shaft 10. The installation process is very convenient, which makes it very convenient to disassemble. A plurality of reinforcing rods 21 are arranged inside the saw blade body 1 to increase To increase the strength of the saw blade body 1, the water inlet pipe 3 is connected to the external water pipe. Because the saw blade body 1 has great friction when cutting an object, and the saw blade body 1 generates heat when running at a high speed, cold water is passed through the water inlet box 2 and the channel 6 into the heat dissipation cavity 4 through the water inlet pipe 3, and then enters the water outlet box 7 through the channel 6. The heat conducting sheet 5 conducts the heat of the saw blade body 1, and the cold water can quickly exchange heat with the heat, thereby realizing rapid heat dissipation of the saw blade body 1, and can prevent the saw blade body 1 from bursting when the temperature is too high, thereby realizing the explosion-proof function and improving safety.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An explosion-proof saw blade, comprising a saw blade body (1) and a transmission shaft (10), characterized in that: A water inlet box (2) is welded to the outer wall of one side of the saw blade body (1), and a water inlet pipe (3) is rotatably connected to the outer wall of the water inlet box (2) on the other side away from the saw blade body (1) via a sealed bearing. A heat dissipation cavity (4) and a channel (6) are provided inside the saw blade body (1), and the heat dissipation cavity (4) is connected to the water inlet box (2) via the channel (6). A heat conducting sheet (5) is provided on the inner wall of the heat dissipation cavity (4). A water outlet box (7) is rotatably connected to the outer wall of the saw blade body (1) on the other side away from the water inlet box (2) via a sealed bearing, and the water outlet box (7) is connected to the channel (6). A water outlet pipe (8) is welded to the outer wall of the bottom of the water outlet box (7).

2. The explosion-proof saw blade according to claim 1, characterized in that: A shaft sleeve (9) is welded to the inner wall of the saw blade body (1), a fixed sealing ring (23) is rotatably connected to the inner wall of the water outlet box (7) via a sealing bearing, and the fixed sealing ring (23) is fixed to the outer wall of the shaft sleeve (9) via bolts.

3. The explosion-proof saw blade according to claim 2, characterized in that: The shaft sleeve (9) is slidably connected to a moving plate (11) inside, and a triangular block (12) is integrally connected to the outer wall of the top of the moving plate (11), and a plurality of plug blocks (15) are integrally connected to the outer wall of the bottom of the moving plate (11), and a spring (17) connected to the moving plate (11) is arranged on the inner wall of the shaft sleeve (9).

4. The explosion-proof saw blade according to claim 3, characterized in that: The shaft sleeve (9) is slidably connected to an extrusion block (13) inside, and a pull block (18) extending to the outside of the shaft sleeve (9) is provided on the outer wall of one side of the extrusion block (13), and a plurality of abutment grooves (14) are provided on the outer wall of the bottom of the extrusion block (13).

5. The explosion-proof saw blade according to claim 4, characterized in that: The outer walls of the top and bottom of the sleeve (9) are both threadedly connected with fixing screws (19), and the outer wall of the top of the extrusion block (13) is provided with a fixing hole (20), and the fixing screw (19) is threadedly connected inside the fixing hole (20).

6. The explosion-proof saw blade according to claim 5, characterized in that: Slots (16) are provided on the outer walls of the top and bottom of the transmission shaft (10), and the insert blocks (15) are inserted into the inside of the slots (16).

7. The explosion-proof saw blade according to claim 6, characterized in that: A reinforcing rod (21) is arranged inside the saw blade body (1), and a plurality of saw teeth (22) which are equidistantly distributed in a circular structure are arranged on the outer wall of the saw blade body (1).

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