Hard alloy circular saw blade

Abstract

The utility model relates to the technical field of alloy circular saw blades, in particular to a hard alloy circular saw blade which comprises a mounting plate, a rotating shaft is rotatably connected to the interior of the mounting plate, a limiting circular plate is fixedly connected to the outer surface of the rotating shaft, and first heat dissipation holes distributed in an array mode are formed in the two ends of the limiting circular plate. According to the hard alloy circular saw blade, the saw blade can be clamped and fixed through the elastic telescopic positioning rod, and then the installation of the saw blade can be further reinforced through the installation of the movable rotating plate and the first fastening bolt, so that when the saw blade of the hard alloy circular saw blade is damaged, the saw blade can be replaced again in a clamping mode, and the working efficiency is improved. The clamping device is simple in structure, convenient and rapid to operate and capable of saving cost, the alloy circular saw blade can be fixed together through the rotating shaft, the cross-shaped positioning column, the clamping sliding block and the threaded mounting cover, and therefore the alloy circular saw blade can be rapidly assembled and disassembled, the assembling and disassembling efficiency of the hard alloy circular saw blade is effectively improved, and the phenomenon that the hard alloy circular saw blade is loosened can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of alloy circular saw blades, in particular to a hard alloy circular saw blade. Background Art

[0002] The alloy circular saw blade is a circular saw blade made of a thin round steel plate that has been processed, formed and heat-treated, and has several teeth on it. A carbide cutter head is inlaid on the teeth. It is installed on the rotating spindle through the center hole of the base and clamped by a chuck so that it can rotate and cut various materials.

[0003] The prior art discloses patent application number "CN202122523521.3", which is a carbide tooth circular saw blade, including a circular saw blade body, and external protective structures are provided on both sides of the circular saw blade body. The protective effect of the external protective structure can enable the circular saw blade body to have a good protection when not working, thereby effectively avoiding accidental injury to human body parts caused by the circular saw blade body exposed to the outside, and safety is greatly improved.

[0004] The carbide-toothed circular saw blade can only provide good protection to avoid accidental injuries. However, in actual use, since the carbide circular saw blades are mostly one-piece structures, if the saw teeth of the carbide circular saw blade are damaged, the entire carbide circular saw blade needs to be replaced and installed, which increases the cost and affects the use effect of the carbide circular saw blade, making it inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a carbide circular saw blade to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A carbide circular saw blade comprises a mounting plate, wherein a rotating shaft is rotatably connected inside the mounting plate, a limiting circular plate is fixedly connected to the outer surface of the rotating shaft, first heat dissipation holes distributed in an array are opened at both ends of the limiting circular plate, four cross positioning columns are mounted on the front end surface of the limiting circular plate, an alloy circular saw blade body is clamped on the front end surfaces of the four cross positioning columns, an array-distributed telescopic positioning rod is slidably connected to the outer surface of the alloy circular saw blade body, and a No. 1 connecting spring is connected between the telescopic positioning rod and the alloy circular saw blade body;

[0008] The outer surface of the alloy circular saw blade body is clamped with a sawtooth piece, the upper end face of the telescopic positioning rod is fixedly connected to the side plate, the front end face of the sawtooth piece is rotatably connected to an array-distributed movable rotating plate, and the front end face of the movable rotating plate is threadedly connected to a first fastening bolt for fixing the sawtooth piece.

[0009] Preferably, an array of round rods are installed inside the main body of the alloy circular saw blade, a clamping slider is slidably connected to the outer surface of the round rod, and a No. 2 clamping spring is connected between the clamping slider and the main body of the alloy circular saw blade.

[0010] Preferably, one side of the No. 2 clamping spring is connected to the inner side of the clamping slider, and the other side of the No. 2 clamping spring is connected to the inside of the alloy circular saw blade body, and the outer surface of the rotating shaft is threadedly connected with a threaded mounting cover for fixing the alloy circular saw blade body.

[0011] Preferably, the front end face of the mounting plate is slidably engaged with an array-distributed plug plate, a protective cover is fixedly mounted on the front end face of the plug plate, the rear side of the plug plate passes through the mounting plate and extends to the rear end face of the mounting plate, a fastening plug block is engaged with the interior of the plug plate, a second heat dissipation hole distributed in an array is provided inside the protective cover, the front end face of the mounting plate is connected to two support plates, the lower end faces of the two support plates are threadedly connected with second fastening bolts for fixing the protective cover, and the upper side of the second fastening bolt passes through the support plate and extends to the lower end face of the protective cover.

[0012] Preferably, one side of the No. 1 connecting spring is connected to the inner side of the telescopic positioning rod, and the other side of the No. 1 connecting spring is connected to the inside of the alloy circular saw blade body, the rear side of the first fastening bolt passes through the movable rotating plate and extends to the front end surface of the alloy circular saw blade body, and one side of the telescopic positioning rod is clamped with the inner side of the sawtooth blade.

[0013] Preferably, the outer surface of the rotating shaft is provided with mounting slots distributed in an array, the mounting slots are adapted to the clamping slider, and the inner side surface of the clamping slider is clamped with the outer surface of the rotating shaft through the mounting slots.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model allows the elastic telescopic positioning rod at the alloy circular saw blade to clamp and fix the sawtooth piece, and then the installation of the movable rotating plate and the first fastening bolt can further strengthen the installation of the sawtooth piece. In this way, when the sawtooth piece of the carbide circular saw blade is damaged, it can be replaced by clamping, which is convenient and quick to operate, and can also save costs and improve production efficiency;

[0016] 2. The utility model can fix the alloy circular saw blade together by using the rotating shaft, the cross positioning column, the clamping slide block and the threaded mounting cover, and then quickly load and unload the alloy circular saw blade by means of a clamping method, thereby effectively improving the loading and unloading efficiency of the carbide circular saw blade and preventing the carbide circular saw blade from loosening. At the same time, the protective cover can also be installed near the alloy circular saw blade to protect the staff and improve the safety of the carbide circular saw blade when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This utility model Figure 1 Installation diagram of the middle movable rotating plate and the first fastening bolt;

[0020] Figure 3 This utility model Figure 1 A schematic diagram of the structure of the central rotating shaft, the alloy circular saw blade body and the saw teeth;

[0021] Figure 4 This utility model Figure 3 The enlarged view of point A in the middle;

[0022] Figure 5 This utility model Figure 1 A schematic diagram of the structure of the middle telescopic positioning rod and the No. 1 connecting spring;

[0023] Figure 6 This utility model Figure 1 Installation diagram of the middle protective cover, plug plate and fastening plug block;

[0024] The reference numerals in the figures are as follows:

[0025] 1. Mounting plate; 2. Rotating shaft; 3. Limiting circular plate; 4. Cross positioning column; 5. Main body of alloy circular saw blade; 6. Saw blade; 7. Telescopic positioning rod; 8. No. 1 connecting spring; 9. Side plate; 10. Movable rotating plate; 11. First fastening bolt; 12. First heat dissipation hole; 13. Round rod; 14. Clamping slide block; 15. No. 2 clamping spring; 16. Threaded mounting cover; 17. Insert plate; 18. Protective cover; 19. Second heat dissipation hole; 20. Fastening plug block; 21. Support plate; 22. Second fastening bolt; 111. Mounting slot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figures 1 to 6 As shown, a carbide circular saw blade comprises a mounting plate 1, wherein the mounting plate 1 is internally rotatably connected with a rotating shaft 2, the outer surface of the rotating shaft 2 is fixedly connected with a limiting circular plate 3, both ends of the limiting circular plate 3 are provided with first heat dissipation holes 12 distributed in an array, four cross positioning columns 4 are installed on the front end surface of the limiting circular plate 3, and the front end surfaces of the four cross positioning columns 4 are clamped with an alloy circular saw blade body 5, the cross positioning columns 4 can be used to lock the entire alloy circular saw blade to ensure the stability of the alloy circular saw blade during installation, the outer surface of the alloy circular saw blade body 5 is slidably connected with an array-distributed telescopic positioning rod 7, and a No. 1 connecting spring 8 is connected between the telescopic positioning rod 7 and the alloy circular saw blade body 5;

[0028] The outer surface of the alloy circular saw blade body 5 is clamped with a sawtooth piece 6, and the upper end face of the telescopic positioning rod 7 is fixedly connected to the side plate 9. Through the setting of the side plate 9, as long as the side plate 9 is pulled, the elastic telescopic positioning rod 7 will release the clamping of the sawtooth piece 6, so as to remove the entire sawtooth piece 6. It is easy to use. The front end face of the sawtooth piece 6 is rotatably connected to an array-distributed movable rotating plate 10, and the front end face of the movable rotating plate 10 is threadedly connected to the first fastening bolt 11 for fixing the sawtooth piece 6.

[0029] An array of round rods 13 are installed inside the alloy circular saw blade body 5 , a clamping slider 14 is slidably connected to the outer surface of the round rod 13 , and a No. 2 clamping spring 15 is connected between the clamping slider 14 and the alloy circular saw blade body 5 .

[0030] One side of the No. 2 clamping spring 15 is connected to the inner side of the clamping slider 14, and the other side of the No. 2 clamping spring 15 is connected to the inside of the alloy circular saw blade body 5. The outer surface of the rotating shaft 2 is threadedly connected with a threaded mounting cover 16 for fixing the alloy circular saw blade body 5. Through the installation and use of the limiting circular plate 3 and the threaded mounting cover 16, the two can firmly clamp the alloy circular saw blade to ensure stable and reliable cutting use of the alloy circular saw blade and ensure the safety of the alloy circular saw blade.

[0031] The front end face of the mounting plate 1 is slidably connected with an array-distributed plug-in board 17, and a protective cover 18 is fixedly installed on the front end face of the plug-in board 17. The rear side of the plug-in board 17 penetrates the mounting plate 1 and extends to the rear end face of the mounting plate 1. A fastening plug-in block 20 is connected inside the plug-in board 17. Through the setting of the fastening plug-in block 20, the fastening plug-in block 20 can be inserted into the plug-in board 17 to fix the entire protective cover 18. The inside of the protective cover 18 is provided with an array-distributed second heat dissipation hole 19. The first heat dissipation hole 12 and the second heat dissipation hole 19 are installed to make the first heat dissipation hole 12 and the second heat dissipation hole 19 be fixed to the mounting plate 17. The two groups of heat dissipation holes can play a role in heat dissipation, so that the heat from the alloy circular saw blade can be dissipated. The front end face of the mounting plate 1 is connected to two support plates 21, and the lower end faces of the two support plates 21 are threadedly connected with second fastening bolts 22 for fixing the protective cover 18. Through the setting of the second fastening bolts 22, the protective cover 18 can be further fixed by the second fastening bolts 22 to ensure the stability of the protective cover 18 during installation. The upper side of the second fastening bolts 22 penetrates the support plates 21 and extends to the lower end face of the protective cover 18.

[0032] One side of the No. 1 connecting spring 8 is connected to the inner side of the telescopic positioning rod 7, and the other side of the No. 1 connecting spring 8 is connected to the inside of the alloy circular saw blade body 5. The rear side of the first fastening bolt 11 passes through the movable rotating plate 10 and extends to the front end surface of the alloy circular saw blade body 5. One side of the telescopic positioning rod 7 is clamped with the inner side of the sawtooth piece 6.

[0033] The outer surface of the rotating shaft 2 is provided with mounting slots 111 distributed in an array, the mounting slots 111 are adapted to the clamping slider 14 , and the inner side surface of the clamping slider 14 is clamped with the outer surface of the rotating shaft 2 through the mounting slots 111 .

[0034] The working principle of a carbide circular saw blade provided by the utility model is as follows:

[0035] The sawtooth piece 6 is clamped to the outer surface of the alloy circular saw blade body 5. At this time, as the sawtooth piece 6 is installed, the telescopic positioning rod 7 installed with the No. 1 connecting spring 8 will be slowly squeezed. In this way, when the sawtooth piece 6 is installed, the compressed telescopic positioning rod 7 will be released and slide out due to the elastic force of the No. 1 connecting spring 8, so that the telescopic positioning rod 7 at the alloy circular saw blade body 5 can clamp and fix the sawtooth piece 6, and the stability of the sawtooth piece 6 during installation is initially improved. Then, the four movable rotating plates 10 are rotated respectively so that the movable rotating plates 10 can be rotated to the front of the alloy circular saw blade body 5, and then the first fastening bolt 11 is rotated so that the first fastening bolt 11 can be fixed to the alloy circular saw blade body 5, so as to further strengthen the installation of the sawtooth piece 6. In this way, when the sawtooth piece 6 of the carbide circular saw blade is damaged, it can be replaced by clamping, which is convenient and quick to operate, and can also save costs and improve production efficiency.

[0036] The alloy circular saw blade body 5 is clamped onto the rotating shaft 2. At this time, the alloy circular saw blade body 5 is also clamped into the four cross positioning columns 4, so that the cross positioning columns 4 can be used to firmly position the position of the carbide circular saw blade. At this time, the rotating shaft 2 will squeeze the four clamping slide blocks 14 with No. 2 clamping springs 15 installed at the round rod 13, and then the elastic clamping slide blocks 14 can automatically be embedded in the mounting grooves 111 of the rotating shaft 2, which is conducive to continuing to fix the entire carbide circular saw blade. Then the threaded mounting cover 16 is rotated and installed on the rotating shaft. 2, the alloy circular saw blade can be clamped between the limiting circular plate 3 and the threaded mounting cover 16, so that the stability of the alloy circular saw blade during installation is improved, and then the alloy circular saw blade is quickly loaded and unloaded by means of a clamping method, which effectively improves the loading and unloading efficiency of the carbide circular saw blade and can also prevent the carbide circular saw blade from loosening. At the same time, the protective cover 18 can also be installed near the alloy circular saw blade body 5, so that the protective cover 18 can protect the staff when using the carbide circular saw blade, thereby improving the safety of the carbide circular saw blade during use.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A carbide circular saw blade, comprising a mounting plate (1), characterized in that: The interior of the mounting plate (1) is rotatably connected to a rotating shaft (2), the outer surface of the rotating shaft (2) is fixedly connected to a limiting circular plate (3), both ends of the limiting circular plate (3) are provided with first heat dissipation holes (12) distributed in an array, the front end surface of the limiting circular plate (3) is installed with four cross positioning columns (4), the front end surfaces of the four cross positioning columns (4) are clamped with an alloy circular saw blade body (5), the outer surface of the alloy circular saw blade body (5) is slidably connected to a telescopic positioning rod (7) distributed in an array, and a No. 1 connecting spring (8) is connected between the telescopic positioning rod (7) and the alloy circular saw blade body (5); The outer surface of the alloy circular saw blade body (5) is clamped with a sawtooth piece (6), the upper end surface of the telescopic positioning rod (7) is fixedly connected to a side plate (9), the front end surface of the sawtooth piece (6) is rotatably connected to an array-distributed movable rotating plate (10), and the front end surface of the movable rotating plate (10) is threadedly connected to a first fastening bolt (11) for fixing the sawtooth piece (6).

2. A carbide circular saw blade according to claim 1, characterized in that: An array of round rods (13) are installed inside the alloy circular saw blade body (5); a clamping slider (14) is slidably connected to the outer surface of the round rod (13); and a No. 2 clamping spring (15) is connected between the clamping slider (14) and the alloy circular saw blade body (5).

3. A carbide circular saw blade according to claim 2, characterized in that: One side of the No. 2 clamping spring (15) is connected to the inner side of the clamping slider (14), and the other side of the No. 2 clamping spring (15) is connected to the inside of the alloy circular saw blade body (5), and the outer surface of the rotating shaft (2) is threadedly connected with a threaded mounting cover (16) for fixing the alloy circular saw blade body (5).

4. A carbide circular saw blade according to claim 1, characterized in that: The front end face of the mounting plate (1) is slidably engaged with an array-distributed plug plate (17), a protective cover (18) is fixedly mounted on the front end face of the plug plate (17), the rear side of the plug plate (17) passes through the mounting plate (1) and extends to the rear end face of the mounting plate (1), a fastening plug block (20) is engaged inside the plug plate (17), and the protective cover (18) is provided with an array-distributed second heat dissipation hole (19), the front end face of the mounting plate (1) is connected with two support plates (21), the lower end faces of the two support plates (21) are both threadedly connected with a second fastening bolt (22) for fixing the protective cover (18), the upper side of the second fastening bolt (22) passes through the support plate (21) and extends to the lower end face of the protective cover (18).

5. The carbide circular saw blade according to claim 1, characterized in that: One side of the No. 1 connecting spring (8) is connected to the inner side of the telescopic positioning rod (7), and the other side of the No. 1 connecting spring (8) is connected to the inside of the alloy circular saw blade body (5), the rear side of the first fastening bolt (11) passes through the movable rotating plate (10) and extends to the front end surface of the alloy circular saw blade body (5), and one side of the telescopic positioning rod (7) is clamped with the inner side of the sawtooth piece (6).

6. A carbide circular saw blade according to claim 2, characterized in that: The outer surface of the rotating shaft (2) is provided with mounting slots (111) distributed in an array, the mounting slots (111) are adapted to the clamping slider (14), and the inner side surface of the clamping slider (14) is clamped with the outer surface of the rotating shaft (2) via the mounting slots (111).

Images