Shallow hole drilling and chamfering tool

Abstract

The utility model discloses a shallow hole drilling and chamfering cutter which comprises a connecting part and is characterized in that a locking ring is correspondingly sleeved with the interior of the lower end of the connecting part, a cutter is correspondingly sleeved with the interior of the lower end of the locking ring, a limiting ring is fixedly connected to the surface of the connecting part, and a fixing cap is movably sleeved with the outer end of the lower end of the surface of the connecting part. Drilling and orifice chamfering operation can be continuously completed through one-time rotation of the machine tool spindle, tool replacement or repositioning is not needed, the machining process is greatly simplified, the production period is shortened, high efficiency and accuracy of drilling are guaranteed through high hardness and abrasion resistance of the diamond cutter, and the production efficiency is improved. And the machining quality of the product is further improved through precise chamfering treatment of the milling cutter.

Description

Technical Field

[0001] The utility model relates to the technical field of chamfering tools, in particular to a shallow-hole drilling and chamfering tool. Background Art

[0002] In the field of machining, with the rapid development of the manufacturing industry and the continuous improvement of product precision, the requirements for hole machining technology are becoming increasingly strict. Traditional hole machining methods often require separating the drilling and chamfering processes, which not only increases the machining steps and time but also easily leads to the accumulation of machining errors, affecting the overall quality of the product. In addition, for shallow-hole machining, due to the relatively shallow hole depth, traditional machining tools are prone to problems such as insufficient stability and difficulty in controlling the cutting force during the machining process, further increasing the machining difficulty.

[0003] In view of this, in order to study and improve the existing structure and deficiencies, a shallow-hole drilling and chamfering tool is provided, with the expectation of achieving a more practical value. Content of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a shallow-hole drilling and chamfering tool, which solves the above problems.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: A shallow-hole drilling and chamfering tool includes a connecting part. It is characterized in that a locking ring is correspondingly sleeved inside the lower end of the connecting part, and a tool is correspondingly sleeved inside the lower end of the locking ring. Among them, a limiting ring is fixedly connected to the surface of the connecting part, and a fixing cap is movably sleeved on the outer end of the lower surface of the connecting part.

[0008] Preferably, the connecting part is set as a cylindrical body, and the surface of the top end of the connecting part gradually converges along the axis. Moreover, a clamping disc is fixedly connected to the top end of the connecting part, and the clamping disc is correspondingly clamped inside the main shaft of the machine tool. And an external thread is provided on the lower surface of the connecting part.

[0009] Preferably, the upper surface of the locking ring is correspondingly sleeved inside the lower end of the connecting part. Four clamping plates are respectively fixedly arranged on the lower surface of the locking ring, and the four clamping plates gradually expand outward along the axis. Among them, anti-slip lines are respectively arranged on the inner wall surfaces of the four clamping plates.

[0010] Preferably, a through hole is opened at the center of the lower end of the fixing cap, and the through hole is correspondingly arranged at the outer end of the four clamping plates. Among them, an internal thread is arranged on the inner wall of the fixing cap, and the inner wall of the fixing cap is in threaded connection with the lower surface of the connecting part.

[0011] Preferably, the tool includes a tool holder, a connecting rod, a fixing ring, a chassis and a positioning post. The outer end of the upper end of the connecting rod is correspondingly sleeved inside the central part of the clamping plate. Four tool holders are respectively arranged around the lower end surface of the connecting rod, and a positioning post is fixedly arranged in the center of the four tool holders. A fixing ring is correspondingly sleeved outside the positioning post, and the outer end of the fixing ring is correspondingly arranged inside the distance between the four tool holders. A chassis is correspondingly attached to the bottom ends of the positioning post and the tool holders.

[0012] Preferably, a through hole is formed in the center of the fixing ring, and the through hole is correspondingly sleeved outside the positioning post. Installation grooves are respectively formed around the outer end surface of the fixing ring, and threaded holes II are respectively formed in the center surface of the installation grooves. Milling cutters are correspondingly installed outside the installation grooves, and screw rods II are respectively arranged outside the milling cutters. The front ends of the screw rods II all extend to the outside of the milling cutters through the inside of the milling cutters, and the outer ends of the screw rods II are correspondingly threadedly connected inside the threaded holes II.

[0013] Preferably, diamond tools are respectively fixedly arranged around the lower end surface of the chassis. A through hole is formed in the center of the chassis, and the through hole is correspondingly sleeved outside the lower end of the positioning post. Screw rods I are respectively correspondingly arranged in the center of the outside of the four diamond tools. The front ends of the screw rods I extend to the outside of the chassis through the inside of the chassis. Threaded holes I are respectively formed in the center of the bottom end surfaces of the four tool holders, and the threaded holes I are respectively arranged corresponding to the screw rods I. The outer ends of the screw rods I are threadedly connected inside the threaded holes I.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a shallow hole drilling and chamfering tool, which has the following beneficial effects:

[0016] 1. By rotating the machine tool spindle once, the drilling and hole chamfering operations can be continuously completed without replacing tools or repositioning, greatly simplifying the processing flow and shortening the production cycle. The high hardness and wear resistance of the diamond tools ensure the high efficiency and precision of drilling, and the precise chamfering treatment of the milling cutters further improves the processing quality of the product. This integrated design significantly improves the production efficiency and reduces the production cost, and is particularly suitable for the requirements of large-scale and high-precision hole processing.

[0017] 2. The precise fit between the chassis and the positioning posts ensures the stability and accuracy of the diamond tool and the milling cutter during the machining process, effectively preventing tool offset or wobbling, thereby guaranteeing the accuracy of drilling and chamfering. The superior cutting performance of the diamond tool ensures the straightness and flatness of the drilling, while the flexible installation and adjustment of the milling cutter allow different chamfering angles and shapes to be set according to actual requirements, achieving high-precision hole mouth treatment. This high-precision machining ability is of great significance for improving product quality and meeting the needs of high-end manufacturing. Brief Description of the Drawings

[0018] Figure 1 Schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 Schematic diagram of the locking ring structure of the present utility model;

[0020] Figure 3 Schematic diagram of the tool structure of the present utility model.

[0021] In the figure: 1, connecting part; 2, limiting ring; 3, fixing cap; 4, locking ring; 5, tool; 6, clamping plate; 7, tool holder; 8, connecting rod; 9, milling cutter; 10, first threaded hole; 11, fixing ring; 12, chassis; 13, diamond tool; 14, first screw; 15, positioning post; 16, second threaded hole; 17, second screw. Detailed Embodiment

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-3 , a shallow hole drilling and chamfering tool, including a connecting part 1, characterized in that a locking ring 4 is correspondingly sleeved inside the lower end of the connecting part 1, and a tool 5 is correspondingly sleeved inside the lower end of the locking ring 4. Among them, a limiting ring 2 is fixedly connected to the surface of the connecting part 1, and a fixing cap 3 is movably sleeved on the outer end of the lower surface of the connecting part 1.

[0024] Furthermore, the connecting part 1 is set as a cylindrical body, gradually converging along the axis on the top surface of the connecting part 1, and a clamping disc is fixedly connected to the top of the connecting part 1. The clamping disc is correspondingly clamped inside the main shaft of the machine tool, and an external thread is provided on the lower surface of the connecting part 1.

[0025] Further, the upper end surface of the locking ring 4 is correspondingly sleeved inside the lower end of the connecting portion 1. Four clamping plates 6 are respectively and fixedly arranged on the lower end surface of the locking ring 4, and the four clamping plates 6 are gradually expanded outwards along the axis. Anti-slip lines are respectively arranged on the inner wall surfaces of the four clamping plates 6.

[0026] Further, a through hole is opened at the center of the lower end of the fixing cap 3, and the through hole is correspondingly arranged at the outer ends of the four clamping plates 6. Internal threads are arranged on the inner wall of the fixing cap 3, and the inner wall of the fixing cap 3 is in threaded connection with the lower end surface of the connecting portion 1.

[0027] Further, the cutter 5 is composed of a tool holder 7, a connecting rod 8, a fixing ring 11, a chassis 12 and a positioning post 15. The outer end of the upper end of the connecting rod 8 is correspondingly sleeved inside the center of the clamping plate 6. Four tool holders 7 are respectively arranged around the lower end surface of the connecting rod 8, and a positioning post 15 is fixedly arranged at the center of the four tool holders 7. A fixing ring 11 is correspondingly sleeved at the outer end of the positioning post 15, and the outer end of the fixing ring 11 is correspondingly arranged inside the spacing of the four tool holders 7. A chassis 12 is correspondingly attached to the bottom ends of the positioning post 15 and the tool holder 7.

[0028] Further, a through hole is opened at the center of the fixing ring 11, and the through hole is correspondingly sleeved at the outer end of the positioning post 15. Installation grooves are respectively opened around the outer end surface of the fixing ring 11, and threaded holes two 16 are respectively opened on the central surfaces of the installation grooves. Milling cutters 9 are respectively installed at the outer ends of the installation grooves, screw rods two 17 are respectively arranged at the outer ends of the milling cutters 9, the front ends of the screw rods two 17 all extend to the outer ends of the milling cutters 9 through the inside of the milling cutters 9, and the outer ends of the screw rods two 17 are correspondingly threadedly connected inside the threaded holes two 16.

[0029] Further, diamond cutters 13 are respectively and fixedly arranged around the lower end surface of the chassis 12. A through hole is opened at the center of the chassis 12, and the through hole is correspondingly sleeved at the outer end of the lower end of the positioning post 15. Screw rods one 14 are respectively correspondingly arranged at the outer centers of the four diamond cutters 13, the front ends of the screw rods one 14 extend to the outer ends of the chassis 12 through the inside of the chassis 12. Threaded holes one 10 are respectively opened at the centers of the bottom end surfaces of the four tool holders 7, the threaded holes one 10 are respectively corresponding to the screw rods one 14, and the outer ends of the screw rods one 14 are threadedly connected inside the threaded holes one 10.

[0030] Working principle: First, the clamping disc of the connecting part 1 is clamped correspondingly inside the machine tool spindle to ensure firm connection. Then, the cutting tool 5 is inserted into the locking ring 4 through the connecting rod 8, and the cutting tool 5 is firmly clamped by the clamping plate 6 of the locking ring 4. Finally, the fixing cap 3 is screwed tightly at the lower end of the connecting part 1, and through the cooperation of the internal thread and the external thread, the fastening of the whole cutting tool is realized. When the machine tool starts, the spindle drives the connecting part 1 to rotate, and then drives the cutting tool 5 to perform drilling operations. The diamond cutting tool 13 in the cutting tool 5, as the main cutting tool, has high hardness and good wear resistance, and is suitable for drilling on hard materials. The design of the chassis 12 and the positioning column 15 ensures the stability and accuracy of the diamond cutting tool 13 during the drilling process, preventing the cutting tool from shifting or shaking. After the drilling is completed, the design of the cutting tool 5 allows it to further perform chamfering operations. The milling cutters 9 on the four tool seats 7 (installed through the screw two 17 and the threaded hole two 16) chamfer the edge of the hole under the drive of the rotation of the spindle. The cutting edge of the milling cutter 9 smooths the hole opening according to the set angle and path to form the required chamfer angle and shape. The design of the chassis 12 and the positioning column 15 also ensures the stability and accuracy during the chamfering process. By adjusting the mounting groove and the threaded hole two 16 on the fixing ring 11, the position and quantity of the milling cutter 9 can be conveniently replaced or adjusted to meet different processing requirements. The diamond cutting tool 13 on the chassis 12 can also be replaced or adjusted through the screw one 14 and the threaded hole one 10 to meet the drilling requirements of different materials.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shallow hole drilling chamfering tool, including a connecting part (1), characterized in that, Inside the lower end of the said connecting part (1), a locking ring (4) is correspondingly sleeved. Inside the lower end of the locking ring (4), a tool (5) is correspondingly sleeved. Among them, a limiting ring (2) is fixedly connected to the surface of the connecting part (1), and a fixing cap (3) is movably sleeved on the outer end of the lower end surface of the connecting part (1).

2. The shallow-hole drilling chamfering tool according to claim 1, characterized in that: The said connecting part (1) is set as a cylindrical body, and its top surface gradually converges along the axis. A clamping disc is fixedly connected to the top of the connecting part (1), and the clamping disc is correspondingly clamped inside the main shaft of the machine tool. And an external thread is provided on the lower end surface of the connecting part (1).

3. A shallow hole drilling chamfering tool according to claim 1, characterized in that: The upper end surface of the said locking ring (4) is correspondingly sleeved inside the lower end of the connecting part (1). Four clamping plates (6) are respectively fixedly arranged on the lower end surface of the locking ring (4), and the four clamping plates (6) gradually expand outward along the axis. Among them, anti-slip lines are respectively arranged on the inner wall surfaces of the four clamping plates (6).

4. A shallow hole drilling chamfering tool according to claim 1, characterized in that: A through hole is opened at the center of the lower end of the said fixing cap (3), and the through hole is correspondingly arranged outside the four clamping plates (6). Among them, an internal thread is provided on the inner wall of the fixing cap (3), and the inner wall of the fixing cap (3) is in threaded connection with the lower end surface of the connecting part (1).

5. A shallow hole drilling chamfering tool according to claim 1, characterized in that: The said tool (5) is composed of a tool holder (7), a connecting rod (8), a fixing ring (11), a chassis (12) and a positioning column (15). The outer end of the upper end of the connecting rod (8) is correspondingly sleeved inside the center of the clamping plate (6). Four tool holders (7) are respectively arranged around the lower end surface of the connecting rod (8). A positioning column (15) is fixedly arranged at the center of the four tool holders (7). Among them, a fixing ring (11) is correspondingly sleeved on the outer end of the positioning column (15), and the outer end of the fixing ring (11) is correspondingly arranged inside the spacing of the four tool holders (7). And a chassis (12) is correspondingly attached to the bottom ends of the positioning column (15) and the tool holder (7).

6. A shallow hole drilling chamfering tool according to claim 5, characterized in that: A through hole is opened at the center of the said fixing ring (11), and the through hole is correspondingly sleeved on the outer end of the positioning column (15). Installation grooves are respectively opened around the outer end surface of the fixing ring (11), and threaded holes two (16) are respectively opened on the center surfaces of the installation grooves. Among them, milling cutters (9) are correspondingly installed outside the installation grooves. Screws two (17) are respectively arranged on the outer ends of the milling cutters (9), and the front ends of the screws two (17) extend to the outer ends of the milling cutters (9) through the inside of the milling cutters (9). And the outer ends of the screws two (17) are correspondingly threadedly connected inside the threaded holes two (16).

7. A shallow hole drilling chamfering tool according to claim 5, characterized in that: Diamond cutters (13) are respectively and fixedly arranged around the lower end surface of the chassis (12). A through hole is formed in the center of the chassis (12), and the through hole is correspondingly sleeved on the outer end of the lower end of the positioning column (15). Screw rods one (14) are respectively correspondingly arranged at the centers of the outer ends of the four diamond cutters (13). The front ends of the screw rods one (14) extend to the outside of the chassis (12) through the inside of the chassis (12). Threaded holes one (10) are respectively formed in the centers of the bottom end surfaces of the four tool holders (7), and the threaded holes one (10) are respectively arranged corresponding to the screw rods one (14). The outer ends of the screw rods one (14) are threadedly connected inside the threaded holes one (10).

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