Cutting tool with high-hardness surface composite coating

Abstract

The utility model relates to the technical field of cutting tools, in particular to a high-hardness cutting tool with a composite coating on the surface, which comprises a top cover, an inserting groove is arranged in the top cover, a first inserting hole is arranged on the front surface of the top cover, a fixing piece is arranged in the first inserting hole, a cutting tool body is arranged in the inserting groove, and the cutting tool body is arranged in the inserting groove. A second inserting hole is formed in the cutting tool body; and the reinforcing block is installed on the lower surface of the cutting tool body, and a reinforcing block body is installed in the reinforcing block. The first fixing column and the second fixing column are installed in the first groove and the second groove respectively, so that the cutting tool body and the reinforcing block are welded subsequently, the hardness between the cutting tool body and the reinforcing block is ensured, and then the titanium-aluminum-nitrogen compound coatings are arranged on the front surface and the rear surface of the tool bit body.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting tool technical field, concretely is a kind of cutting tool of high-hardness surface composite coating. BACKGROUND

[0002] When cutting tool is used to process hardening material at high speed, the durability of cutting tool usually depends on the boundary wear of the relief surface.

[0003] For this, China application announcement number: CN217070995U, discloses a kind of coating cutting tool, including tool base body, the tool base body top is sequentially deposited with sandwich composite coating and carbonitride coating from bottom to top;The sandwich composite coating includes two layers of titanium aluminum nitride compound coating and a layer of titanium aluminum chromium nitride compound coating, the titanium aluminum chromium nitride compound coating is clamped between two layers of the titanium aluminum nitride compound coating.The coating cutting tool, by first depositing the sandwich-shaped combined coating consisting of two layers of titanium aluminum nitride compound coating, a layer of titanium aluminum chromium nitride compound coating on the surface of base body, the high hardness, high wear resistance of the combined coating can be utilized, so as to improve the wear resistance and impact resistance of cutting tool, prevent chipping.

[0004] But when cutting tool is installed, if cutting tool is not stable with operating equipment installation, so that the degree of tool shaking is larger in subsequent cutting process, it can also cause wear to tool, and the tool needs to be locked after installation, therefore, we perfect and improve the above-mentioned problem to become the problem that is urgently needed to solve at present. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of cutting tool of high-hardness surface composite coating to solve the problem that cutting tool is installed in the background art, if cutting tool is not stable with operating equipment installation, so that the degree of tool shaking is larger in subsequent cutting process, it can also cause wear to tool, and the tool needs to be locked after installation.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of cutting tool of high-hardness surface composite coating, including top cap, the inside of the top cap is provided with slot, the front surface of the top cap is provided with first insertion hole, the inside of the first insertion hole is provided with fixed part, the inside of the slot is installed with cutting tool body, the inside of the cutting tool body is provided with second insertion hole;

[0007] Reinforcing block, the reinforcing block is installed in the lower surface of cutting tool body, the inside of the reinforcing block is installed with reinforcing block, the inside of the reinforcing block is sequentially provided with first recess and second recess from left to right.

[0008] Preferably, the first recess is internally provided with a first fixing column, and the second recess is internally provided with a second fixing column.

[0009] Preferably, the second jack is adapted to the first jack and the fixing member.

[0010] Preferably, the lower surface of the reinforcing block is provided with a tool bit body, and the front and rear surfaces of the tool bit body are provided with titanium aluminum nitride coatings.

[0011] Preferably, the left and right side surfaces of the top cover are provided with damping shafts, the right side of the damping shaft is provided with a rotating column, and the outer surface of the rotating column is provided with a locking block.

[0012] Preferably, the top surface of the top cover is provided with a mounting bracket, and the mounting bracket is internally provided with a mounting hole.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The high-hardness surface composite coating cutting tool is provided with a top cover, a slot, a first jack, a fixing member, a cutting tool body, a second jack, a reinforcing block, a reinforcing block, a first recess, a second recess, a first fixing column, a second fixing column, a tool bit body and titanium aluminum nitride coatings, when the cutting tool body is installed, the cutting tool body is first installed in the slot, then the second jack is aligned with the first jack, and then the fixing member is installed in the first jack and the second jack, so that the cutting tool body is conveniently and stably installed as a whole, the cutting tool body and the reinforcing block are fixedly installed, the first fixing column and the second fixing column are first installed in the first recess and the second recess when the cutting tool body and the reinforcing block are installed, so that the cutting tool body and the reinforcing block are welded, the hardness between the cutting tool body and the reinforcing block is ensured, and the titanium aluminum nitride coatings are arranged on the front and rear surfaces of the tool bit body to ensure the stability of the tool bit body during cutting, and the practicability of the design is embodied.

[0015] 2. The high-hardness surface composite coating cutting tool is provided with a damping shaft, a rotating column, a locking block, a mounting bracket and a mounting hole, when the cutting tool body is installed as a whole with the top cover, the rotating column and the locking block are rotated through the rotation of the damping shaft, the locking block limits the cutting tool body in the top cover, the cutting tool body is stably installed with external equipment through the mounting bracket and the mounting hole, the problem that the cutting tool body is easily shaken during subsequent cutting is avoided, the service life of the cutting tool body during use is ensured, and the functionality of the design is embodied. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional schematic view of the utility model structure;

[0017] Figure 2 is a split schematic view of the utility model top cover and cutting tool body structure;

[0018] Figure 3 is a split schematic view of the utility model cutting tool body and reinforcing block structure;

[0019] Figure 4 is a three-dimensional schematic view of the utility model damping shaft and locking block structure.

[0020] In the figure: 1, top cover; 2, slot; 3, first insertion hole; 4, fixed part; 5, cutting tool body; 6, second insertion hole; 7, reinforcing block; 8, reinforcing block; 9, first recess; 10, second recess; 11, first fixed column; 12, second fixed column; 13, tool bit body; 14, titanium aluminum nitride compound coating; 15, damping shaft; 16, rotating column; 17, locking block; 18, mounting frame; 19, mounting hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment:

[0023] The utility model provides a kind of high-hardness surface composite coating cutting tool, cutting tool body 5, reinforcing block 7, reinforcing block 8 and titanium aluminum nitride compound coating 14 used in the application are all products that can be directly purchased in market, its principle and connecting mode are all prior art that is familiar to those skilled in the art, and it is not described here, including top cover 1, the inside of top cover 1 is provided with slot 2, the front surface of top cover 1 is provided with first insertion hole 3, first insertion hole 3 is provided with fixed part 4 in its inside, slot 2 is installed with cutting tool body 5 in its inside, the inside of cutting tool body 5 is provided with second insertion hole 6, second insertion hole 6 and first insertion hole 3 are mutually adapted, second insertion hole 6 and fixed part 4 are mutually adapted, the left and right side surfaces of top cover 1 are installed with damping pivot 15, the right side of damping pivot 15 is installed with rotating column 16, the outer surface of rotating column 16 is installed with locking block 17, the top surface of top cover 1 is installed with mounting bracket 18, mounting hole 19 is provided in the inside of mounting bracket 18, when cutting tool body 5 is installed with top cover 1 as a whole, rotating column 16 and locking block 17 are rotated by the rotation of damping pivot 15 at this time, then cutting tool body 5 in the inside of top cover 1 is abutted and limited by locking block 17, is simultaneously stably installed with external equipment by mounting bracket 18 and mounting hole 19, avoid the problem that cutting tool body 5 is easily shaken in subsequent cutting process, ensure the service life of cutting tool body 5 when using;

[0024] Reinforcing block 7, reinforcing block 7 is installed on the lower surface of cutting tool body 5, reinforcing block 7 is installed with reinforcing block 8 in its inside, the inside of reinforcing block 8 is provided with first recess 9 and second recess 10 from left to right in sequence, first fixed column 11 is installed in the inside of first recess 9, second fixed column 12 is installed in the inside of second recess 10, tool bit body 13 is installed on the lower surface of reinforcing block 7, titanium aluminum nitride compound coating 14 is installed on the front and rear surfaces of tool bit body 13, when cutting tool body 5 is installed, cutting tool body 5 is first installed to the inside of slot 2, then second insertion hole 6 and first insertion hole 3 are aligned, then fixed part 4 is installed to the inside of first insertion hole 3 and second insertion hole 6, so that it is convenient to install cutting tool body 5 as a whole, and it is stable to install, and cutting tool body 5 and reinforcing block 7 are fixedly installed, when cutting tool body 5 and reinforcing block 7 are installed, first fixed column 11 and second fixed column 12 are installed to the inside of first recess 9 and second recess 10 respectively, so that cutting tool body 5 and reinforcing block 7 are welded between subsequently, ensure the hardness between cutting tool body 5 and reinforcing block 7, and then titanium aluminum nitride compound coating 14 is provided on the front and rear surfaces of tool bit body 13, to ensure the stability of tool bit body 13 during cutting.

[0025] Working principle: when installing the cutting tool body 5, first install the cutting tool body 5 to the inside of the slot 2, then align the second socket 6 with the first socket 3, then install the fixing piece 4 to the inside of the first socket 3 and the second socket 6, so that the whole cutting tool body 5 is convenient to install, and the installation is stable, and the cutting tool body 5 and the reinforcing block 7 are fixedly installed, when the cutting tool body 5 and the reinforcing block 7 are installed, first install the first fixed column 11 and the second fixed column 12 to the inside of the first groove 9 and the second groove 10 respectively, so that the cutting tool body 5 and the reinforcing block 7 are welded between them, and the hardness between the cutting tool body 5 and the reinforcing block 7 is ensured, and then the titanium aluminum nitride compound coating 14 is arranged on the front and rear surfaces of the tool head body 13, so that the stability of the tool head body 13 during cutting is ensured, when the cutting tool body 5 is installed with the top cover 1, the rotating column 16 and the locking block 17 are rotated by rotating the damping rotating shaft 15, then the locking block 17 abuts and limits the cutting tool body 5 in the top cover 1, and the mounting frame 18 and the mounting hole 19 are stably installed with external equipment, so that the problem that the cutting tool body 5 is easy to shake during subsequent cutting is avoided, the service life of the cutting tool body 5 during use is ensured, and the working principle of the utility model is described above.

[0026] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form; any ordinary technical personnel in the industry can implement the utility model according to the drawings and the above description; however, any equivalent changes, modifications and evolution of the above disclosed technical content within the scope of the technical scheme of the utility model are equivalent embodiments of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the utility model are still within the protection scope of the technical scheme of the utility model.

Claims

1. A cutting tool with a high-hardness surface composite coating, comprising a top cover (1), characterized in that: The top cover (1) has a slot (2) inside, and a first insertion hole (3) is provided on the front surface of the top cover (1). A fixing member (4) is provided inside the first insertion hole (3). A cutting tool body (5) is installed inside the slot (2). A second insertion hole (6) is provided inside the cutting tool body (5). A reinforcing block (7) is installed on the lower surface of the cutting tool body (5). A reinforcing block (8) is installed inside the reinforcing block (7). The interior of the reinforcing block (8) has a first groove (9) and a second groove (10) sequentially formed from left to right.

2. The cutting tool with a high-hardness surface composite coating according to claim 1, characterized in that: A first fixing post (11) is installed inside the first groove (9), and a second fixing post (12) is installed inside the second groove (10).

3. The cutting tool with a high-hardness surface composite coating according to claim 1, characterized in that: The second socket (6) is compatible with the first socket (3), and the second socket (6) is compatible with the fixing member (4).

4. The cutting tool with a high-hardness surface composite coating according to claim 1, characterized in that: The lower surface of the reinforcing block (7) is fitted with a cutter body (13), and the front and rear surfaces of the cutter body (13) are both coated with a titanium aluminum nitride compound coating (14).

5. The cutting tool with a high-hardness surface composite coating according to claim 1, characterized in that: Damping shafts (15) are installed on both the left and right sides of the top cover (1). A rotating column (16) is installed on the right side of the damping shaft (15). A locking block (17) is installed on the outer surface of the rotating column (16).

6. The cutting tool with a high-hardness surface composite coating according to claim 1, characterized in that: The top surface of the top cover (1) is equipped with a mounting bracket (18), and the mounting bracket (18) has mounting holes (19) inside.

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