A drill-mill combined cutter

Abstract

This utility model relates to the field of machining tool technology and discloses a drilling and milling integrated tool, including a drill bit. The drill bit has a chip removal groove at its bottom. A milling cutter head is threadedly connected to the surface of the drill bit. The milling cutter head has a chip removal groove at its bottom and a mounting groove at its top. A positioning plate is welded to one side of the mounting groove. A limiting component for limiting the position of the milling cutter head is provided on one side of the positioning plate. The surface of the drill bit has several limiting grooves corresponding to the limiting component. By threading the milling cutter head and the drill bit together, they can be assembled, avoiding the need for a single-piece forming of the milling cutter head and the drill bit. When either wears out, it is not necessary to replace both the milling cutter head and the drill bit simultaneously, avoiding waste. The limiting component can limit the position of the milling cutter head, preventing it from loosening or falling off. The height of the milling cutter head can be adjusted by rotating it and allowing it to rise and fall spirally.

Description

Technical Field

[0001] This utility model relates to the field of machining tool technology, specifically a drilling and milling integrated tool. Background Technology

[0002] Drilling is an essential process in modern machining. There are many types of drill bits available. To meet the needs of a large consumer base, drill bit designs must be innovative, adaptable, and fast to keep up with changing consumer demands. This presents a significant challenge. When drill bits and milling cutters are used together, rough machining is first performed with the drill bit to determine the approximate location and depth of the hole. Then, the milling cutter is used to finish the surface of the drilled hole, resulting in relatively low machining efficiency.

[0003] The "Drilling and Milling Integrated Tool" disclosed in application number "202322108689.7" includes a cylindrical mounting shank, a milling cutter holder, and a drill rod. The mounting shank is connected to the top of the milling cutter holder, and one end of the drill rod is connected to the bottom of the milling cutter holder. The mounting shank, milling cutter holder, and drill rod are coaxially arranged. The diameter of the milling cutter holder is larger than the diameter of the mounting shank and the drill rod. The other end of the drill rod is provided with a drill tip, which is provided with a main cutting edge extending upward from the tip to the bottom edge of the drill rod. At the position where the drill rod connects to the milling cutter holder, a chamfered tool holder with an inclined surface surrounding the outer wall of the drill rod is provided. The outer wall of the chamfered tool holder is provided with a chamfered cutting edge extending from the outer wall of the drill rod to the bottom of the milling cutter holder. The bottom of the milling cutter holder is provided with a milling edge extending outward from the outer wall of the chamfered tool holder. This application integrates drilling, milling of grooves, and chamfering operations into one, effectively improving processing efficiency.

[0004] However, the above method still has the following drawbacks: drilling and milling can be achieved by using a drill rod and a milling cutter. However, since the drill rod and the milling cutter are integrally formed, after either the drill rod or the milling cutter wears out, both the drill rod and the milling cutter need to be replaced at the same time, which can easily lead to tool waste. In addition, the distance between the drill rod and the milling cutter is not adjustable, making it difficult to drill holes of different depths. It has good flexibility. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an integrated drilling and milling tool, which has the advantages of saving tools and facilitating drilling at different depths, thus solving the problems mentioned in the background art.

[0006] This utility model provides the following technical solution: a drilling and milling integrated tool, including a drill bit, a chip removal groove at the bottom of the drill bit, a milling cutter head threadedly connected to the surface of the drill bit, a chip removal groove at the bottom of the milling cutter head, a mounting groove at the top of the milling cutter head, a positioning plate welded to one side of the mounting groove, a limiting component for limiting the position of the milling cutter head on one side of the positioning plate, and a plurality of limiting grooves corresponding to the limiting component on the surface of the drill bit.

[0007] As a preferred technical solution of this utility model, the limiting component includes a guide post, which is slidably connected to the positioning plate. A spring is sleeved on the surface of the guide post, and a sliding plate is fixedly provided at one end of the guide post. The spring is located between the positioning plate and the sliding plate. The sliding plate is slidably connected to the interior of the mounting opening. A limiting post is fixedly provided in the middle of one side of the sliding plate, and the limiting post is engaged with one of the limiting grooves.

[0008] As a preferred embodiment of this utility model, a stud is fixedly provided at the other end of the guide post, and a locking nut is threadedly connected to the surface of the stud. A washer is provided between the locking nut and the positioning plate.

[0009] As a preferred embodiment of this utility model, a groove is provided in the middle of the positioning plate, the guide post is slidably connected to the inside of the groove, and a rubber ring is engaged with one side of the groove, the rubber ring being sleeved on the surface of the guide post.

[0010] As a preferred technical solution of this utility model, the milling cutter head has an installation port in the middle, a protruding strip is fixedly provided on the top of the installation port, and a spiral groove communicating with the chip removal groove is provided on the top of the drill bit, and the protruding strip is threadedly connected to the spiral groove.

[0011] As a preferred embodiment of this utility model, a protrusion is fixedly provided at the bottom of the mounting port, and the protrusion is located inside the chip removal groove.

[0012] As a preferred embodiment of this utility model, the spiral groove and the plurality of limiting grooves are parallel to each other, and the apertures of the plurality of limiting grooves are equal.

[0013] As a preferred embodiment of this utility model, a clamping rod is fixedly provided at the top of the drill bit, and a tool holder is fixedly connected between the clamping rod and the drill bit. The surface of the clamping rod is provided with a clamping opening.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This integrated drilling and milling tool allows for assembly by threading the milling cutter head and the drill bit together, avoiding the need for a single-piece molding of the milling cutter head and the drill bit. When either wears out, it is not necessary to replace both the milling cutter head and the drill bit simultaneously, thus avoiding waste. A limiting component can limit the position of the milling cutter head, preventing it from loosening or falling off. The height of the milling cutter head can be adjusted by rotating it and allowing it to rise and fall spirally, facilitating drilling at different depths and offering good flexibility.

[0016] 2. This integrated drilling and milling tool can remove chips generated during drilling and milling through chip removal groove one and chip removal groove two. Since the milling cutter head is threadedly connected to the drill bit, after the milling cutter head is spirally raised and lowered, it can ensure that chip removal groove one and chip removal groove two are connected, avoiding misalignment between chip removal groove two and chip removal groove one, and ensuring smooth chip removal. Attached Figure Description

[0017] Figure 1 This is one of the structural schematic diagrams of this utility model;

[0018] Figure 2 This is the second structural schematic diagram of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the drill bit of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the milling cutter head of this utility model;

[0021] Figure 5 This is a schematic diagram of the mounting groove of this utility model;

[0022] Figure 6 This is a schematic diagram of the limiting component of this utility model.

[0023] In the diagram: 1. Drill bit; 2. Chip removal groove one; 3. Milling cutter head; 4. Chip removal groove two; 5. Limiting groove; 6. Mounting port; 7. Protrusion; 8. Protrusion; 9. Limiting assembly; 901. Guide post; 902. Spring; 903. Slide plate; 904. Limiting post; 905. Stud; 906. Locking nut; 907. Washer; 10. Mounting groove; 11. Positioning plate; 12. Spiral groove; 13. Column groove; 14. Rubber ring; 15. Clamping rod; 16. Tool holder; 17. Clamping port. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1-6A drilling and milling integrated tool includes a drill bit 1, a chip removal groove 2 at the bottom of the drill bit 1, a milling cutter head 3 threadedly connected to the surface of the drill bit 1, a chip removal groove 4 at the bottom of the milling cutter head 3, a mounting groove 10 at the top of the milling cutter head 3, a positioning plate 11 welded to one side of the mounting groove 10, and a limiting component 9 for limiting the milling cutter head 3 on one side of the positioning plate 11. The surface of the drill bit 1 has several limiting grooves 5 corresponding to the limiting component 9. By threading the milling cutter head 3 and the drill bit 1 together, they can be assembled, avoiding the integral molding of the milling cutter head 3 and the drill bit 1. After either one wears out, it is not necessary to replace the milling cutter head 3 and the drill bit 1 at the same time, thus avoiding waste of the milling cutter head 3 and the drill bit 1. The limiting component 9 can limit the milling cutter head 3, preventing the milling cutter head 3 from loosening and falling off.

[0026] In this embodiment, preferably, the limiting component 9 includes a guide post 901, which is slidably connected to the positioning plate 11. A spring 902 is sleeved on the surface of the guide post 901. A sliding plate 903 is fixedly mounted on one end of the guide post 901. The spring 902 is located between the positioning plate 11 and the sliding plate 903. The sliding plate 903 is slidably connected to the interior of the mounting port 6. A limiting post 904 is fixedly mounted on the middle of one side of the sliding plate 903. The limiting post 904 is engaged with one of the limiting grooves 5. A stud 905 is fixedly mounted on the other end of the guide post 901. A locking nut 906 is threaded onto the surface of the stud 905. A washer 907 is provided between the locking nut 906 and the positioning plate 11. The middle of the positioning plate 11 is opened... The guide post 901 is slidably connected to the inside of the groove 13. A rubber ring 14 is engaged with one side of the groove 13. The rubber ring 14 is sleeved with the surface of the guide post 901. The slide plate 903 can be guided through the mounting port 6. The slide plate 903 can be supported by the guide post 901 and the spring 902. The limiting post 904 can be pushed into the limiting groove 5 to lock the milling cutter head 3. By pulling the stud 905 and the locking nut 906 and compressing the spring 902, the limiting post 904 can be pulled out from the limiting groove 5, making it easy to disassemble the milling cutter head 3. By loosening the locking nut 906, the guide post 901 and the slide plate 903 can be disassembled and taken out from the inside of the mounting port 6.

[0027] In this embodiment, preferably, the milling cutter head 3 has an installation port 6 in the middle, and a protrusion 7 is fixedly provided on the top of the installation port 6. The top of the drill bit 1 has a spiral groove 12 that communicates with the chip removal groove 2. The protrusion 7 is threadedly connected to the spiral groove 12. A protrusion 8 is fixedly provided at the bottom of the installation port 6. The protrusion 8 is located inside the chip removal groove 2. The spiral groove 12 and several limiting grooves 5 are parallel to each other. The diameters of the several limiting grooves 5 are equal. The milling cutter head 3 can be sleeved on the drill bit 1 through the installation port 6. The milling cutter head 3 can be threadedly connected through the spiral groove 12 and the protrusion 7. The coaxiality of the milling cutter head 3 and the drill bit 1 can be ensured. Since the spiral groove 12 and several limiting grooves 5 are parallel to each other, the positional accuracy between the limiting component 9 and the limiting groove 5 can be ensured.

[0028] In this embodiment, preferably, a clamping rod 15 is fixedly provided at the top of the drill bit 1, and a tool holder 16 is fixedly connected between the clamping rod 15 and the drill bit 1. The surface of the clamping rod 15 is provided with a clamping opening 17, and the drill bit 1 can be clamped through the tool holder 16 and the clamping opening 17.

[0029] In use, first pull the stud 905 and locking nut 906 of the limiting component 9 to compress the spring 902 of the slide plate 903, causing the limiting post 904 to retract. Then, through the mounting port 6, the milling cutter head 3 is fitted onto the drill bit 1 through the bottom of the drill bit 1, and the protrusion 8 is located inside the chip removal groove 2. Then, rotate the milling cutter head 3, and through the protrusion 7, make it spiral upward along the direction of the spiral groove 12. During the spiral upward process of the milling cutter head 3, the height can be adjusted, and the drilling depth of the drill bit 1 can be adjusted.

[0030] After the height of the milling cutter head 3 is adjusted, the spring 902 can push the limiting post 904 into the corresponding limiting groove 5 through the sliding plate 903, thereby locking the milling cutter head 3 and quickly fixing it. The operator can clamp the drill bit 1 through the clamping rod 15 and the clamping port 17. The drill bit 1 and the milling cutter head 3 can perform drilling and milling on the workpiece. Chip removal groove 1 2 and chip removal groove 2 4 can remove the chips generated by drilling and milling. The setting of the protrusion 8 can prevent the chips from entering the interior of the mounting port 6. Since the milling cutter head 3 is threadedly connected to the drill bit 1, after the milling cutter head 3 is spirally raised and lowered, it can ensure that chip removal groove 1 2 and chip removal groove 2 4 are connected, avoiding misalignment between chip removal groove 2 4 and chip removal groove 1 2, and ensuring smooth chip removal.

[0031] When either the milling cutter head 3 or the drill bit 1 wears out, the limiting post 904 can be pulled out from the limiting groove 5, the milling cutter head 3 can be rotated in the opposite direction, and the drill bit 1 can be removed through the bottom end, thus separating it from the drill bit 1. There is no need to replace the milling cutter head 3 and the drill bit 1 at the same time, avoiding the waste of the milling cutter head 3 and the drill bit 1.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drill-mill combined tool comprising a drill bit (1), characterized in that: The bottom of the drill bit (1) is provided with a chip removal groove (2), and the surface of the drill bit (1) is threadedly connected to a milling cutter head (3). The bottom of the milling cutter head (3) is provided with a chip removal groove (4), and the top of the milling cutter head (3) is provided with a mounting groove (10). A positioning plate (11) is welded to one side of the mounting groove (10). A limiting component (9) for limiting the milling cutter head (3) is provided on one side of the positioning plate (11). The surface of the drill bit (1) is provided with several limiting grooves (5) corresponding to the limiting component (9).

2. The drill-mill all-in-one tool according to claim 1, characterized in that: The limiting component (9) includes a guide post (901), which is slidably connected to the positioning plate (11). A spring (902) is sleeved on the surface of the guide post (901). A sliding plate (903) is fixedly provided at one end of the guide post (901). The spring (902) is located between the positioning plate (11) and the sliding plate (903). The sliding plate (903) is slidably connected to the interior of the mounting port (6). A limiting post (904) is fixedly provided in the middle of one side of the sliding plate (903). The limiting post (904) is engaged with one of the limiting grooves (5).

3. The drill-mill all-in-one tool according to claim 2, characterized in that: The other end of the guide post (901) is fixedly provided with a stud (905), and a locking nut (906) is threadedly connected to the surface of the stud (905). A washer (907) is provided between the locking nut (906) and the positioning plate (11).

4. The drilling and milling integrated tool according to claim 2, characterized in that: The positioning plate (11) has a column groove (13) in the middle. The guide post (901) is slidably connected to the inside of the column groove (13). A rubber ring (14) is engaged on one side of the column groove (13). The rubber ring (14) is sleeved on the surface of the guide post (901).

5. The drilling and milling integrated tool according to claim 1, characterized in that: The milling cutter head (3) has an installation port (6) in the middle, and a protrusion (7) is fixedly provided on the top of the installation port (6). The drill bit (1) has a spiral groove (12) that communicates with the chip removal groove (2) on the top, and the protrusion (7) is threadedly connected to the spiral groove (12).

6. The drilling and milling integrated tool according to claim 5, characterized in that: The bottom of the mounting port (6) is fixedly provided with a protrusion (8), which is located inside the chip removal groove (2).

7. The drilling and milling integrated tool according to claim 5, characterized in that: The spiral groove (12) and the plurality of limiting grooves (5) are parallel to each other, and the apertures of the plurality of limiting grooves (5) are equal.

8. The drilling and milling integrated tool according to claim 1, characterized in that: The top of the drill bit (1) is fixedly provided with a clamping rod (15), and a tool holder (16) is fixedly connected between the clamping rod (15) and the drill bit (1). The surface of the clamping rod (15) is provided with a clamping opening (17).

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