Milling and drilling tool

Abstract

The utility model discloses a milling and drilling cutter which comprises a rotating rod and is characterized in that a connecting block is fixedly connected to the center of the top end of the rotating rod, a mounting groove is formed in the center of the bottom end of the rotating rod, and a replaceable cutter is correspondingly sleeved with the mounting groove; according to the milling and drilling cutter disclosed by the utility model, through the design of integrating the spiral cutter body and the four-side edging of the canine tooth section and the detachable milling cutter part, two machining tasks of milling and drilling are efficiently completed on the same equipment, and due to the multifunctionality, not only is the machining process simplified, but also the times of replacing the cutter are reduced, and the machining efficiency is improved. And the processing efficiency and the flexibility are also obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drilling cutter technical field, specifically point to a kind of milling drilling cutter. BACKGROUND

[0002] In the field of mechanical processing, with the continuous progress of industrial technology and the increasing manufacturing requirements, the demand for efficient, multifunctional and precision stable processing tools is increasing. Traditional mechanical processing methods often require milling and drilling operations on different machine tools or equipment, which not only increases the complexity and time cost of the processing process, but also may lead to a decrease in processing precision and inconsistency in surface quality. Therefore, it is particularly important to develop a cutter that integrates milling and drilling functions.

[0003] Therefore, the existing structure and deficiencies are improved, and a milling and drilling cutter is provided to achieve a more practical value. SUMMARY

[0004] (I) Technical problem solved

[0005] To overcome the shortcomings of the prior art, the utility model provides a milling and drilling cutter to solve the above problems.

[0006] (II) Technical scheme

[0007] To achieve the above purposes, the utility model provides the following technical scheme: a milling and drilling cutter, comprising a rotating rod, characterized in that the top end of the rotating rod is fixedly connected with a connecting block in the center, and an installation slot is formed in the bottom center of the rotating rod, and a replaceable cutter is correspondingly sleeved in the inside of the installation slot.

[0008] Preferably, two round holes are formed on the lower surface of the rotating rod on both sides, and two limiting grooves are formed on the inner bottom surface of the installation slot.

[0009] Preferably, two cavities are formed in the bottom end of the rotating rod, and a guide rod is arranged in the center of each cavity, the guide rod is correspondingly arranged in the round hole formed on the lower end of the rotating rod, a fixed disc is fixedly connected to the bottom end of the guide rod, a screw rod is fixedly installed on the outer end of the fixed disc, and the two screw rods are oppositely arranged.

[0010] Preferably, the replaceable cutter comprises a fixed block, a clamping seat, a limiting disc, a cutter body and a milling cutter, the outer end of the fixed block is correspondingly sleeved in the inner part of the mounting groove, two clamping seats are fixedly connected to the upper end of the fixed block, and the two clamping seats are correspondingly arranged with the two limiting grooves, and the front end of the two clamping seats is correspondingly clamped in the inner part of the two limiting grooves, and the limiting disc is fixedly connected to the lower end of the fixed block, the cutter body is fixedly connected to the lower end surface of the limiting disc, and the milling cutter is arranged at the lower end of the cutter body.

[0011] Preferably, the outer end of the fixed block is provided with a limiting ring on both sides, a threaded hole one is formed in the inner bottom surface of the limiting ring, and the limiting ring and the threaded hole one are correspondingly arranged with the fixed disc and the screw rod, and the fixed disc is correspondingly sleeved in the inner part of the limiting ring, and the screw rod is screwedly connected in the inner part of the threaded hole one.

[0012] Preferably, the front end of the cutter body is provided in a spiral shape, the outer end of the cutter body is provided in a dog-tooth cross-section four-edge cutting manner, and the inner side surfaces of the four-edge cutting are provided with heat dissipation holes, and the lower end surfaces of the four-edge cutting are provided with threaded holes two.

[0013] Preferably, the outer end of the milling cutter is provided with a through hole in the center, and the through hole is correspondingly arranged with the threaded hole two, and the through hole is provided with a fastening bolt in the inner part, and the fastening bolt is screwedly connected in the inner part of the threaded hole two.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a milling and drilling cutter, has the following beneficial effects:

[0016] 1. The milling and drilling cutter realizes efficient completion of milling and drilling two processing tasks on the same equipment through the design of the integrated spiral cutter body and dog-tooth cross-section four-edge cutting and the detachable milling cutter part, the multifunctionality not only simplifies the processing flow, reduces the number of cutter replacement, but also significantly improves the processing efficiency and flexibility, the four-edge cutting design not only improves the cutting speed, but also ensures the smoothness and precision of the cutting surface, and the heat dissipation holes effectively reduce the heat generated in the cutting process, prolong the service life of the cutter, thereby reducing the production cost and maintenance cost.

[0017] 2. By the precise clamping seat and the limiting groove cooperation, and the screw and the threaded hole fastening mechanism, the cutter realizes stable installation in horizontal and vertical directions, the design ensures the stability of the cutter in the high-speed rotation and cutting process, reduces the vibration and deviation, thereby improves the machining precision and surface quality, in addition, through the accurate control of the machine tool feeding mechanism, the cutting depth can be conveniently adjusted, different machining requirements are met, the accurate and stable machining performance is realized, and the application scene that needs high precision and high quality machining, such as precision mechanical parts, aerospace parts and the like manufacturing field is particularly important. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the overall structure schematic diagram of the utility model;

[0019] Fig. 2 It is the lower end structure schematic diagram of the rotating rod of the utility model;

[0020] Fig. 3 It is the replaceable cutter structure schematic diagram of the utility model.

[0021] In the drawing: 1, rotating rod; 2, connecting block; 3, replaceable cutter; 4, limiting groove; 5, cavity chamber; 6, guide rod; 7, fixed disc; 8, screw; 9, fixed block; 10, clamping seat; 11, limiting disc; 12, cutter body; 13, limiting ring; 14, threaded hole one; 15, heat dissipation hole; 16, threaded hole two; 17, milling cutter; 18, fastening bolt. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figs. 1-3 A milling and drilling cutter, comprising a rotating rod 1, characterized in that the top end central fixed connection of the rotating rod 1 has a connecting block 2, the bottom end central of the rotating rod 1 is provided with an installation slot, and the inside of the installation slot is correspondingly sleeved with a replaceable cutter 3.

[0024] Further, the lower end surface of the rotating rod 1 is provided with a round hole on both sides, and the inside bottom surface of the installation slot is provided with two limiting grooves 4.

[0025] Further, the bottom end of the rotating rod 1 is provided with two cavities 5, and a guide rod 6 is arranged in the center of each cavity 5. The front end of the guide rod 6 is arranged in the circular hole in the lower end of the rotating rod 1, and a fixed disc 7 is fixedly connected to the bottom end of the guide rod 6. A screw rod 8 is fixedly installed at the outer end of the fixed disc 7, and the two ends of the screw rod 8 are arranged opposite to each other.

[0026] Further, the replaceable tool 3 comprises a fixed block 9, a clamping seat 10, a limiting disc 11, a tool body 12, and a milling cutter 17. The outer end of the fixed block 9 is sleeved in the installation groove, and two clamping seats 10 are fixedly connected to the upper end of the fixed block 9. The two clamping seats 10 are arranged opposite to the two limiting grooves 4, and are clamped in the two limiting grooves 4, respectively. The limiting disc 11 is fixedly connected to the lower end of the fixed block 9, and the tool body 12 is fixedly connected to the lower end surface of the limiting disc 11. The milling cutter 17 is arranged at the lower end of the tool body 12.

[0027] Further, the outer end of the fixed block 9 is provided with a limiting ring 13, and a threaded hole 14 is arranged in the center of the inner bottom surface of the limiting ring 13. The limiting ring 13 and the threaded hole 14 are arranged opposite to the fixed disc 7 and the screw rod 8, respectively. The fixed disc 7 is sleeved in the limiting ring 13, and the screw rod 8 is threadedly connected in the threaded hole 14.

[0028] Further, the front end of the tool body 12 is provided with a spiral shape, and the outer end of the tool body 12 is provided with a dog-tooth cross-section with blades on four sides. Heat dissipation holes 15 are arranged on the inner side surfaces of the four blades, and threaded holes 16 are arranged on the lower end surfaces of the four blades.

[0029] Further, the outer end of the milling cutter 17 is provided with a through hole, which is arranged opposite to the threaded hole 16. A fastening bolt 18 is arranged in the through hole, and is threadedly connected in the threaded hole 16.

[0030] Working principle: first, the replaceable tool 3 fixed block 9 sleeve in the rotating rod 1 bottom end installation groove, at this time, the two clamping seat 10 on the fixed block 9 will correspond to the two limiting slot 4 in the rotating rod 1 inside, ensure the stability of the tool in the horizontal direction, then, through the rotating rod 1 bottom end of the two cavity 5 in the guide rod 6, the fixed disc 7 is pushed to the limiting ring 13, the outer end of the fixed disc 7 is sleeved in the limiting ring 13, and the screw rod 8 on it is screwed into the threaded hole one 14 in the bottom surface of the limiting ring 13, so that the screw rod 8 and the threaded hole one 14 are screwed, the tool is fastened in the vertical direction, which ensures that the tool will not loosen during work, the rotating rod 1 as the power input end, when the external power source (such as motor) drives the rotating rod 1 to rotate, the power is transmitted to the whole tool through the connecting block 2, since the tool 3 is firmly installed on the rotating rod 1, the tool will also rotate, the front end of the tool body 12 is designed as a spiral shape, and the outer end is a dogtooth cross section four blade, this design can effectively cut into the workpiece material during rotation, and milling processing is carried out, the design of four blade improves the cutting efficiency, and the setting of the heat dissipation hole 15 helps to discharge the heat generated during cutting, maintains the cooling state of the tool, prolongs the service life, the milling cutter 17 is installed at the lower end of the tool body 12, and is connected and fixed with the threaded hole two 16 on the tool body 12 through the fastening bolt 18, when the tool mills the workpiece, the milling cutter 17 can also be used as a drill bit to drill the workpiece, since the milling cutter 17 is designed, it can ensure the accuracy and efficiency of drilling, the cutting depth of the tool to the workpiece can be changed by adjusting the position of the rotating rod 1 on the machine tool, which is usually realized through the feeding mechanism of the machine tool, ensuring the stability and accuracy of the cutting process, the cutting speed is determined by the rotating speed of the external power source, which can be adjusted according to different machining materials and machining requirements, higher cutting speed can improve the machining efficiency, but may also increase the tool wear and heat generation.

[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A milling and drilling tool comprising a rotating shaft (1), characterized in that, The top end of the rotating rod (1) is fixedly connected with a connecting block (2), a mounting groove is formed in the bottom end of the rotating rod (1), a replaceable cutter (3) is correspondingly sleeved in the mounting groove, circular holes are formed in the lower end surfaces of the rotating rod (1) on both sides, two limiting grooves (4) are formed in the inner bottom surface of the mounting groove, the replaceable cutter (3) comprises a fixed block (9), a clamping seat (10), a limiting disc (11), a blade body (12) and a milling cutter (17), the outer end of the fixed block (9) is correspondingly sleeved in the mounting groove, two clamping seats (10) are fixedly connected to the upper end of the fixed block (9), the two clamping seats (10) are correspondingly arranged with the two limiting grooves (4), the two clamping seats (10) are correspondingly clamped in the two limiting grooves (4) on the front ends, the limiting disc (11) is fixedly connected to the lower end of the fixed block (9), the blade body (12) is fixedly connected to the lower end surface of the limiting disc (11), and the milling cutter (17) is arranged at the lower end of the blade body (12).

2. A milling and drilling tool according to claim 1, characterized in that: Two cavity chambers (5) are formed in the bottom end of the rotating rod (1), a guide rod (6) is arranged in the inner bottom end of each cavity chamber (5), the guide rod (6) is correspondingly arranged in the circular hole formed in the lower end of the rotating rod (1), a fixed disc (7) is fixedly connected to the bottom end of the guide rod (6), a screw rod (8) is fixedly arranged at the outer end of the fixed disc (7), and the two ends of the screw rod (8) are oppositely arranged.

3. A milling and drilling tool according to claim 1, characterized in that: A limiting ring (13) is formed in the outer end of the fixed block (9) on both sides, a threaded hole (14) is formed in the inner bottom surface of the limiting ring (13), the limiting ring (13) and the threaded hole (14) are correspondingly arranged with the fixed disc (7) and the screw rod (8), the fixed disc (7) is correspondingly sleeved in the limiting ring (13), and the screw rod (8) is threadedly connected in the threaded hole (14).

4. A milling and drilling tool according to claim 1, characterized in that: The front end of the blade body (12) is in a spiral shape, the outer end of the blade body (12) is in a dog-tooth cross-section four-edged blade mode, heat dissipation holes (15) are formed in the inner side surfaces of the four-edged blades, and threaded holes (16) are formed in the lower end surfaces of the four-edged blades.

5. A milling and drilling tool according to claim 1, characterized in that: A through hole is formed in the outer end of the milling cutter (17), the through hole is correspondingly arranged with the threaded hole (16), a fastening bolt (18) is arranged in the through hole, and the fastening bolt (18) is threadedly connected in the threaded hole (16).

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