Improved structure of a drill reamer tool

By improving the structural design of drilling and reaming tools and utilizing a combination of mounting tool holders, drilling and reaming heads, telescopic springs, and limit blocks, the problem of low assembly and disassembly efficiency of existing drilling and reaming tools has been solved, enabling rapid installation and disassembly.

CN224309674UActive Publication Date: 2026-06-02DONGGUAN HUIYUCHANG CNC TOOL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN HUIYUCHANG CNC TOOL CO LTD
Filing Date
2025-06-25
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing drilling and reaming tools are not easy to disassemble and assemble quickly, which affects disassembly and assembly efficiency.

Method used

The design incorporates a combination of components such as a tool holder, drill and reamer head, telescopic spring, limit block, slider, and connecting rope. Through limit engagement, sliding, and spring action, the drill and reamer head can be quickly installed and removed.

Benefits of technology

It enables rapid installation and removal of drill and reamer heads, improving assembly and disassembly efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224309674U_ABST
    Figure CN224309674U_ABST
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Abstract

This utility model discloses an improved drilling and reaming tool, including a tool holder. A drilling and reaming head is fitted inside the tool holder. A chip removal groove is formed in the middle of the surface of the drilling and reaming head. A back angle is formed at the end of the drilling and reaming head away from the tool holder. This improved drilling and reaming tool facilitates the initial positioning of the drilling and reaming head by having two connecting slots respectively engage with two connecting blocks and two fixing blocks respectively engage with two fixing holes. The two limiting blocks engage with the two limiting slots under the action of two telescopic springs, which facilitates the quick installation of the drilling and reaming head. By sliding two sliders to one side, the two limiting blocks are pulled into the two mounting slots, separating them from the two limiting slots. Then, by using a larger force to pull the drilling and reaming head, the fixing blocks are separated from the fixing holes, which facilitates the quick disassembly of the drilling and reaming head.
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Description

Technical Field

[0001] This utility model relates to the field of drilling and reaming tools, specifically a drilling and reaming tool with an improved structure. Background Technology

[0002] Drilling and reaming tools are composite tools that combine drilling and reaming functions. Specifically, they can complete drilling and reaming in a single operation, significantly reducing machining time and improving efficiency. These tools typically consist of two types: sintered PCD drilling-reaming-counterfeiting composite tools and inlaid PCD drilling-reaming-counterfeiting composite tools. They are suitable for machining various materials, performing particularly well in the machining of carbon fiber composites. However, existing drilling and reaming tools do not facilitate quick assembly and disassembly of the drill and reamer heads, thus affecting assembly and disassembly efficiency.

[0003] To address the aforementioned problems, an improved drilling and reaming tool is proposed here. Utility Model Content

[0004] The purpose of this invention is to provide an improved drilling and reaming tool to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an improved drilling and reaming tool, including a tool holder, a drilling and reaming head is engaged inside the tool holder, a chip removal groove is formed in the middle of the surface of the drilling and reaming head, a back angle is formed at the end of the drilling and reaming head away from the tool holder, a mounting groove is formed in the middle of both sides of the inner wall of the tool holder, two telescopic springs are fixedly connected to one end of the inner side of each of the two mounting grooves, a limit block is fixedly connected between the two telescopic springs on the same side away from the inner side of the mounting groove, a limit groove is formed at one end of both sides of the two drilling and reaming heads, the two limit blocks are engaged with the two limit grooves respectively, an auxiliary inclined surface is formed on the side of the two limit blocks away from the telescopic springs, sliding grooves are formed on both sides of the tool holder, sliders are slidably arranged inside the two sliding grooves, connecting ropes are fixedly arranged at the ends of the two limit blocks near the telescopic springs, and the ends of the two connecting ropes away from the limit blocks are fixedly connected to the two sliders respectively.

[0006] The drill reamer head is initially positioned by having two connecting slots engaged with two connecting blocks and two fixing blocks engaged with two fixing holes. The two limiting blocks engage with two limiting grooves under the action of two telescopic springs, facilitating quick installation of the drill reamer head. Sliding the two sliders to one side pulls the two limiting blocks into the two mounting grooves, separating them from the limiting grooves. Then, applying greater force pulls the drill reamer head to separate the fixing blocks from the fixing holes, allowing for quick disassembly of the drill reamer head.

[0007] Preferably, a fixing hole is provided at the connection between the drill reamer head and the mounting tool holder, and a fixing block is fixedly provided at the connection between the mounting tool holder and the drill reamer head. The two fixing blocks are respectively engaged with the two fixing holes to facilitate the initial positioning of the drill reamer head.

[0008] Preferably, guide grooves are provided at one end of both sides of the inner wall of the mounting tool holder, and guide blocks are slidably arranged inside the two guide grooves. The two guide blocks are fixedly connected to the drill and reamer head. The cooperation between the two guide blocks and the two guide grooves facilitates the quick and accurate insertion of the drill and reamer head into the mounting tool holder.

[0009] Preferably, a connecting block is fixedly provided at the connection point between the two guide grooves and the two guide blocks, and a connecting slot is provided at the connection point between the two guide blocks and the two guide grooves. The two connecting slots are engaged with the two connecting blocks respectively, and the limiting engagement of the two connecting slots with the two connecting blocks facilitates the limiting of the drill reamer head.

[0010] Preferably, through holes are provided between the two mounting grooves and the two sliding grooves, and the two through holes are respectively connected to the two connecting ropes. The through holes facilitate the extension and retraction of the connecting ropes.

[0011] Preferably, a number of anti-slip protrusions are fixedly provided on the outer side of both sliders, which facilitates stable movement of the sliders.

[0012] Preferably, a fixing member is fixedly provided at one end of the tool holder, and a plurality of fixing holes are provided on the side of the fixing member away from the tool holder. The tool can be fixedly installed by the cooperation of the fixing member and the plurality of fixing holes.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The combination of two guide blocks and two guide grooves facilitates the quick and precise insertion of the drill reamer head into the mounting holder. Two connecting slots engage with the limiting positions of two connecting blocks, and two fixing blocks engage with the limiting positions of two fixing holes, providing initial positioning of the drill reamer head. The two limiting blocks, under the action of two telescopic springs, engage with the two limiting grooves, facilitating rapid installation of the drill reamer head. Sliding the two sliders to one side pulls the two limiting blocks into the two mounting grooves, separating them from the limiting grooves. Then, applying greater force to pull the drill reamer head separates the fixing blocks from the fixing holes, facilitating rapid disassembly of the drill reamer head. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is a front sectional view of the present invention;

[0017] Figure 3 This is an enlarged view of part A of this utility model;

[0018] Figure 4 This is an enlarged view of part B of the present invention.

[0019] In the diagram: 1. Tool holder; 2. Drilling and reaming head; 3. Chip removal groove; 4. End face back angle; 5. Fixing component; 6. Fixing hole; 7. Fixing block; 8. Fixing hole; 9. Placement groove; 10. Telescopic spring; 11. Limiting block; 12. Auxiliary inclined surface; 13. Limiting groove; 14. Connecting rope; 15. Sliding block; 16. Anti-slip ridge; 17. Sliding groove; 18. Through hole; 19. Guide groove; 20. Guide block; 21. Connecting slot; 22. Connecting block. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] Please see Figure 1-4This utility model provides an improved drilling and reaming tool, including a tool holder 1. A drilling and reaming head 2 is fitted inside the tool holder 1. A chip removal groove 3 is formed in the middle of the surface of the drilling and reaming head 2. A rear face angle 4 is formed at the end of the drilling and reaming head 2 away from the tool holder 1. A mounting groove 9 is formed in the middle of the inner wall of both sides of the tool holder 1. Two telescopic springs 10 are fixedly connected to one end of the inner side of each of the two mounting grooves 9. A limiting block 11 is fixedly connected between the two telescopic springs 10 on the same side at the end away from the inner side of the mounting groove 9. A limiting groove 13 is formed at one end of each of the two drilling and reaming heads 2. The two limiting blocks 11 are respectively engaged with the two limiting grooves 13. An auxiliary inclined surface 12 is formed on the side of each limiting block 11 away from the telescopic springs 10. A sliding groove 17 is formed on both sides of the tool holder 1. A sliding groove 17 is slidably arranged inside the two sliding grooves 17. The slider 15 and the two limiting blocks 11 are each fixedly provided with a connecting rope 14 at one end near the telescopic spring 10. The ends of the two connecting ropes 14 away from the limiting blocks 11 are fixedly connected to the two sliders 15 respectively. The two connecting slots 21 are respectively engaged with the limiting engagement of the two connecting blocks 22, and the two fixing blocks 7 are respectively engaged with the limiting engagement of the two fixing holes 8 to facilitate the initial limiting of the drill reamer head 2. The two limiting blocks 11 are respectively engaged with the two limiting grooves 13 under the action of the two telescopic springs 10, which facilitates the quick installation of the drill reamer head 2. By sliding the two sliders 15 to one side, the two limiting blocks 11 are pulled into the two placement grooves 9 respectively, so that they are separated from the two limiting grooves 13. Then, by using a larger force to pull the drill reamer head 2, the fixing blocks 7 are separated from the fixing holes 8, which facilitates the quick disassembly of the drill reamer head 2.

[0022] A fixing hole 8 is provided at the connection between the drill and reamer head 2 and the mounting tool holder 1. A fixing block 7 is fixedly provided at the connection between the mounting tool holder 1 and the drill and reamer head 2. A guide groove 19 is provided at one end of each side of the inner wall of the mounting tool holder 1. A guide block 20 is slidably provided inside each of the two guide grooves 19. The two guide blocks 20 are fixedly connected to the drill and reamer head 2. A connecting block 22 is fixedly provided at the connection between the two guide grooves 19 and the two guide blocks 20 respectively. A connecting groove 21 is provided at the connection between the two guide blocks 20 and the two guide grooves 19 respectively. The two connecting grooves 21 are engaged with the two connecting blocks 22 respectively.

[0023] In use, the two fixing blocks 7 engage with the two fixing holes 8 to facilitate the initial positioning of the drill and reamer head 2. The two guide blocks 20 and the two guide grooves 19 work together to facilitate the quick and accurate insertion of the drill and reamer head 2 into the mounting tool holder 1. The two connecting grooves 21 engage with the two connecting blocks 22 to facilitate the positioning of the drill and reamer head 2.

[0024] Two mounting slots 9 are respectively provided with through holes 18 between two sliding slots 17. Two through holes 18 are respectively connected to two connecting ropes 14. Several anti-slip protrusions 16 are fixedly provided on the outer side of the two sliders 15. A fixing member 5 is fixedly provided at one end of the mounting knife holder 1. Several fixing holes 6 are provided on the side of the fixing member 5 away from the mounting knife holder 1.

[0025] In use, the through hole 18 facilitates the telescopic movement of the connecting rope 14, the anti-slip protrusion 16 facilitates the stable movement of the slider 15, and the combination of the fixing part 5 and several fixing holes 6 facilitates the fixed installation of the tool.

[0026] In use, the two guide blocks 20 and the two guide grooves 19 facilitate the quick and accurate insertion of the drill reamer head 2 into the mounting holder 1. The two connecting slots 21 engage with the two connecting blocks 22 for limiting, and the two fixing blocks 7 engage with the two fixing holes 8 for limiting, thus facilitating the initial positioning of the drill reamer head 2. The two limiting blocks 11 engage with the two limiting grooves 13 under the action of the two telescopic springs 10, thereby facilitating the quick installation of the drill reamer head 2. By sliding the two sliders 15 to one side, the two limiting blocks 11 are pulled into the two mounting grooves 9, separating them from the two limiting grooves 13. Then, by using a larger force to pull the drill reamer head 2, the fixing blocks 7 are separated from the fixing holes 8, thus facilitating the quick disassembly of the drill reamer head 2.

[0027] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An improved drilling and reaming tool, comprising a tool holder (1), characterized in that: The mounting tool holder (1) is internally fitted with a drill reamer head (2). A chip removal groove (3) is provided in the middle of the surface of the drill reamer head (2). A rear face angle (4) is provided at the end of the drill reamer head (2) away from the mounting tool holder (1). A mounting groove (9) is provided in the middle of both sides of the inner wall of the mounting tool holder (1). Two telescopic springs (10) are fixedly connected to one end of the inner side of each of the two mounting grooves (9). A limit block (11) is fixedly connected to the end of each of the two telescopic springs (10) on the same side away from the inner side of the mounting groove (9). One end of each of the two drill reamer heads (2) is fixedly connected to the other end of the mounting tool holder (1). Each of the two limit blocks (11) is provided with a limit groove (13), and the two limit blocks (11) are respectively engaged with the two limit grooves (13). The two limit blocks (11) are provided with an auxiliary inclined surface (12) on the side away from the telescopic spring (10). The two sides of the mounting knife holder (1) are provided with sliding grooves (17). The two sliding grooves (17) are slidably provided with sliders (15). The two limit blocks (11) are fixedly provided with connecting ropes (14) at the end near the telescopic spring (10). The two connecting ropes (14) are fixedly connected to the two sliders (15) at the end away from the limit blocks (11).

2. The improved drill and reamer according to claim 1, characterized in that: A fixing hole (8) is provided at the connection between the drill and reamer head (2) and the mounting tool holder (1), and a fixing block (7) is fixedly provided at the connection between the mounting tool holder (1) and the drill and reamer head (2).

3. The improved drill and reamer according to claim 1, characterized in that: The mounting tool holder (1) has guide grooves (19) on one end of both sides of its inner wall. Guide blocks (20) are slidably arranged inside the two guide grooves (19). The two guide blocks (20) are fixedly connected to the drill and reamer head (2).

4. The improved drill and reamer according to claim 3, characterized in that: A connecting block (22) is fixedly provided at the connection point between the two guide grooves (19) and the two guide blocks (20). A connecting slot (21) is opened at the connection point between the two guide blocks (20) and the two guide grooves (19). The two connecting slots (21) are engaged with the two connecting blocks (22).

5. The improved drill and reamer according to claim 1, characterized in that: Two mounting slots (9) are respectively provided with through holes (18) between them and two sliding slots (17), and the two through holes (18) are respectively connected to two connecting ropes (14).

6. The improved drill and reamer according to claim 1, characterized in that: Several anti-slip protrusions (16) are fixedly provided on the outer side of both sliders (15).

7. The improved drill and reamer according to claim 1, characterized in that: A fixing member (5) is fixedly provided at one end of the mounting tool holder (1), and a number of fixing holes (6) are provided on the side of the fixing member (5) away from the mounting tool holder (1).