Cemented carbide tool with a dismounting structure

Abstract

The utility model relates to tool technical field discloses a hard alloy tool with dismounting structure, including the sword stem, the top of sword stem is provided with the tool holder body, the top of tool holder body is opened with the mounting groove, the inside of mounting groove is provided with the limit post, the inside joint of mounting groove has the tool bit, the front end of tool holder body is installed with the grab seat, the front end of sword stem is provided with the front flat groove, the bottom of tool holder body is connected with the prism, the top of sword stem is opened with the edge groove, the inside of side limit slot is inserted with the side insertion rod. The utility model discloses through setting up dismounting structure, when using, the outside of limit post in the inside of mounting groove of tool bit is set, lets the tool bit joint to the inside of mounting groove in tool holder body top, after the grab seat of tool holder body front end is rotated, lets the grab seat to the tool bit in the inside of mounting groove and carries out the joint fixing, to realize the dismounting function.

Description

Technical Field

[0001] This utility model relates to the field of cutting tool technology, specifically a cemented carbide cutting tool with a detachable assembly structure. Background Technology

[0002] The tool holder, or more technically, tool shank or tool system for carbide cutting tools, is a key component connecting the spindle and carbide cutting tools (such as end mills, drills, and boring tools) in CNC machine tools, such as machining centers and turning centers. Its core function is to provide high-precision, high-rigidity, and high-stability clamping for the cutting tools, ensuring the quality and efficiency of the cutting process.

[0003] During use, the cutting tip will become dull over time, requiring the entire integrated cutting tip to be replaced, resulting in high maintenance costs. Therefore, we propose a carbide cutting tool with a detachable assembly structure to address these issues. Utility Model Content

[0004] The purpose of this invention is to provide a carbide cutting tool with a detachable structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cemented carbide cutting tool with a detachable structure, including a tool shank, a tool holder body provided at the top of the tool shank, a mounting groove provided at the top of the tool holder body, a limit post provided inside the mounting groove, a cutting head being engaged inside the mounting groove, a gripper being installed at the front end of the tool holder body, and a front flat groove provided at the front end of the tool shank.

[0006] As a further technical solution of this utility model, the cutting head is engaged in the mounting groove at the top of the cutting head body, and the cutting head is sleeved on the outside of the limiting post and placed inside the mounting groove.

[0007] As a further technical solution of this utility model, the gripper rotates at the front end of the tool holder body and contacts the tool head inside the mounting groove.

[0008] As a further technical solution of this utility model, the bottom of the tool holder is connected to a prism, the top of the tool bar is provided with a prism groove, the inner side of the tool bar is provided with a side limiting groove, and a side insert rod is inserted into the side limiting groove.

[0009] As a further technical solution of this utility model, the prism at the bottom of the tool holder body is engaged with the groove at the top of the tool bar, and a side limiting groove is provided inside the prism and the tool bar.

[0010] As a further technical solution of this utility model, the side insertion rod passes through the inside of the side limiting groove of the tool bar and the prism, and the tool holder body is fixed to the top of the tool bar.

[0011] As a further technical solution of this utility model, the inside of the tool holder is provided with a metal steel layer, the outside of the metal steel layer is provided with a chromium plating layer, and the outside of the chromium plating layer is provided with a molybdenum plating layer.

[0012] As a further technical solution of this utility model, the chromium plating layer and the molybdenum plating layer are sequentially disposed on the outside of the tool holder, and the metal steel layer, the chromium plating layer and the molybdenum plating layer are sequentially connected.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this kind of carbide cutting tool with a disassembly and assembly structure not only realizes the disassembly and assembly function and the disassembly and assembly function of the base, but also realizes the tool holder reinforcement function;

[0014] (1) By setting up a disassembly and assembly structure, the present utility model is beneficial in that: when in use, the cutter head is sleeved on the outer surface of the limiting post inside the mounting groove, so that the cutter head is snapped into the mounting groove at the top of the cutter body. Then, the gripper at the front end of the cutter body is rotated so that the gripper snaps into and fixes the cutter head inside the mounting groove, thereby realizing the disassembly and assembly function.

[0015] (2) By setting up a seat assembly and disassembly structure, the present invention is beneficial in that: when in use, the prism at the bottom of the tool holder is inserted into the groove at the top of the tool bar, the tool holder is placed on the top of the tool bar, and then the side insertion rod is inserted into the side limiting groove inside the tool bar and the prism, and the tool holder is fixed on the top of the tool bar, thereby realizing the seat assembly and disassembly function.

[0016] (3) By setting up a tool holder reinforcement structure, the advantages of this utility model are: when in use, the main body of the tool holder is made of metal steel layer, and a chromium plating layer and a molybdenum plating layer are set on the surface of the metal steel layer to increase the hardenability, hardness, wear resistance and corrosion resistance of the tool holder, reduce the temper brittleness of the metal steel layer, improve hardenability and heat strength, maintain high temperature strength, thereby realizing the tool holder reinforcement function. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the present utility model;

[0018] Figure 2 This is a schematic diagram of the unfolded structure of the tool holder of this utility model;

[0019] Figure 3 This is an enlarged side view sectional diagram of the tool holder and tool support of this utility model;

[0020] Figure 4 This is an enlarged cross-sectional schematic diagram of the tool holder and tool shank of this utility model;

[0021] Figure 5 This is a partial enlarged cross-sectional schematic diagram of the tool holder of this utility model.

[0022] In the diagram: 1. Tool holder; 2. Front flat groove; 3. Tool holder body; 4. Tool head; 5. Grip seat; 6. Mounting groove; 7. Limiting post; 8. Prism; 9. Prism groove; 10. Side limiting groove; 11. Side insert rod; 12. Metal steel layer; 13. Chrome plating layer; 14. Molybdenum plating layer. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 An embodiment of this utility model is provided: a cemented carbide cutting tool with a detachable structure, including a cutting bar 1, a cutting seat body 3 is provided on the top of the cutting bar 1, a mounting groove 6 is provided on the top of the cutting seat body 3, a limit post 7 is provided inside the mounting groove 6, a cutting head 4 is engaged inside the mounting groove 6, a gripper 5 is installed at the front end of the cutting seat body 3, and a front flat groove 2 is provided at the front end of the cutting bar 1.

[0025] The cutter head 4 is engaged inside the mounting groove 6 at the top of the cutter holder body 3. The cutter head 4 is sleeved outside the limiting post 7 and placed inside the mounting groove 6. The gripper 5 rotates at the front end of the cutter holder body 3 and contacts the cutter head 4 inside the mounting groove 6.

[0026] Specifically, such as Figure 1 and Figure 2 As shown, by setting up a disassembly and assembly structure, when in use, the cutter head 4 is fitted onto the outer surface of the limiting post 7 inside the mounting groove 6, so that the cutter head 4 is snapped into the mounting groove 6 at the top of the cutter holder body 3. Then, the gripper 5 at the front end of the cutter holder body 3 is rotated, so that the gripper 5 snaps and fixes the cutter head 4 inside the mounting groove 6, thereby realizing the disassembly and assembly function.

[0027] The bottom of the tool holder body 3 is connected to a prism 8, the top of the tool bar 1 is provided with a prism groove 9, the inner side of the tool bar 1 is provided with a side limiting groove 10, and a side insert rod 11 is inserted into the side limiting groove 10.

[0028] The prism 8 at the bottom of the tool holder 3 is engaged with the groove 9 at the top of the tool bar 1. The prism 8 and the tool bar 1 are provided with side limiting grooves 10. The side insert rod 11 passes through the side limiting grooves 10 of the tool bar 1 and the prism 8. The tool holder 3 is fixed to the top of the tool bar 1.

[0029] Specifically, such as Figure 1 , Figure 3 and Figure 4As shown, by setting up a seat assembly / disassembly structure, when in use, the prism 8 at the bottom of the tool holder 3 is inserted into the groove 9 at the top of the tool bar 1, and the tool holder 3 is placed on top of the tool bar 1. Then, the side insertion rod 11 is inserted into the side limiting groove 10 inside the tool bar 1 and the prism 8, and the tool holder 3 is fixed to the top of the tool bar 1, thereby realizing the seat assembly / disassembly function.

[0030] The tool holder 1 has a metal steel layer 12 inside, a chrome plating layer 13 outside the metal steel layer 12, and a molybdenum plating layer 14 outside the chrome plating layer 13.

[0031] A chromium plating layer 13 and a molybdenum plating layer 14 are sequentially disposed on the outside of the tool holder 1, and a metal steel layer 12, a chromium plating layer 13 and a molybdenum plating layer 14 are sequentially connected.

[0032] Specifically, such as Figure 1 and Figure 5 As shown, by setting up a tool holder reinforcement structure, the main body of the tool holder 3 is made of metal steel layer 12 during use. A chromium plating layer 13 and a molybdenum plating layer 14 are set on the outer surface of the metal steel layer 12 to increase the hardenability, hardness, wear resistance and corrosion resistance of the tool holder 1, reduce the temper brittleness of the metal steel layer 12, improve hardenability and hot strength, and maintain high temperature strength, thereby realizing the tool holder reinforcement function.

[0033] Working principle: In use, the tool holder 3 is placed on top of the tool holder 1 by inserting the prism 8 at the bottom of the tool holder 3 into the groove 9 at the top of the tool holder 1. Then, the side insertion rod 11 is inserted into the side limiting groove 10 inside the tool holder 1 and the prism 8 to fix the tool holder 3 on top of the tool holder 1. Then, the tool head 4 is fitted onto the outer surface of the limiting post 7 inside the mounting groove 6, so that the tool head 4 is engaged with the mounting groove 6 at the top of the tool holder 3. Then, the gripper 5 at the front end of the tool holder 3 is rotated to engage and fix the tool head 4 inside the mounting groove 6. The main body of the tool holder 3 is made of metal steel layer 12. A chromium plating layer 13 and a molybdenum plating layer 14 are provided on the outer surface of the metal steel layer 12 to increase the hardenability, hardness, wear resistance and corrosion resistance of the tool holder 1, reduce the temper brittleness of the metal steel layer 12, improve hardenability and hot strength, maintain high temperature strength and increase the service life of the tool holder 3.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A cemented carbide cutting tool with a detachable structure, comprising a tool holder (1), characterized in that: The top of the tool holder (1) is provided with a tool holder body (3), the top of the tool holder body (3) is provided with a mounting groove (6), the inside of the mounting groove (6) is provided with a limit post (7), the inside of the mounting groove (6) is fitted with a tool head (4), the front end of the tool holder body (3) is provided with a gripper (5), and the front end of the tool holder (1) is provided with a front flat groove (2).

2. A carbide cutting tool with a detachable structure according to claim 1, characterized in that: The cutting head (4) is engaged inside the mounting groove (6) at the top of the tool holder body (3), and the cutting head (4) is sleeved outside the limiting post (7) and placed inside the mounting groove (6).

3. A carbide cutting tool with a detachable structure according to claim 1, characterized in that: The gripper (5) rotates at the front end of the tool holder body (3) and contacts the tool head (4) inside the mounting groove (6).

4. A carbide cutting tool with a detachable structure according to claim 1, characterized in that: The bottom of the tool holder (3) is connected to a prism (8), the top of the tool bar (1) is provided with a prism groove (9), the inner side of the tool bar (1) is provided with a side limiting groove (10), and a side insert rod (11) is inserted into the side limiting groove (10).

5. A carbide cutting tool with a detachable structure according to claim 4, characterized in that: The prism (8) at the bottom of the tool holder (3) is engaged with the groove (9) at the top of the tool holder (1), and the prism (8) and the tool holder (1) are provided with side limiting grooves (10).

6. A carbide cutting tool with a detachable structure according to claim 4, characterized in that: The side insert (11) passes through the inside of the side limiting groove (10) of the tool bar (1) and the prism (8), and the tool holder body (3) is fixed to the top of the tool bar (1).

7. A cemented carbide cutting tool with a detachable structure according to claim 1, characterized in that: The tool holder (1) has a metal steel layer (12) inside, a chromium plating layer (13) outside the metal steel layer (12), and a molybdenum plating layer (14) outside the chromium plating layer (13).

8. A carbide cutting tool with a detachable structure according to claim 7, characterized in that: The chromium plating layer (13) and the molybdenum plating layer (14) are sequentially disposed on the outside of the tool holder (1), and the metal steel layer (12), the chromium plating layer (13) and the molybdenum plating layer (14) are sequentially connected.

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