Drilling compound tool

Abstract

The utility model discloses a drilling compound tool which comprises a connecting cylinder and is characterized in that an installing plate is fixedly installed at the upper end of the connecting cylinder, a through hole is formed in the center of the upper end of the installing plate, a fixing cover is fixedly connected to the lower end of the connecting cylinder, and protection plates are connected to the periphery of the lower end of the fixing cover respectively. Wherein a rotating screw rod is arranged in the center of the interior of the connecting cylinder, the upper end of the rotating screw rod extends to the upper end of the mounting plate through a central through hole of the mounting plate, and the lower end of the rotating screw rod is arranged in the center of the interior of the fixing cover. Synchronous rotation and up-and-down movement of the rotating screw and the replaceable cutter on the rotating screw are achieved, and the drilling efficiency is greatly improved through the dual-movement mode.

Description

TECHNICAL FIELD

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

[0002] In the manufacturing industry field, drilling processing is indispensable in mechanical processing, is widely used in automobile, aerospace, mechanical manufacturing and multiple industries, with the continuous progress of industrial technology, efficiency, precision and safety of drilling processing are proposed increasingly higher requirements, traditional drilling tool often exists processing efficiency low, precision is difficult to guarantee, operation is complex and has big security risk etc., difficult to meet the development needs of modern manufacturing industry.

[0003] Therefore, the existing structure and deficiency are improved, a drilling composite cutter is provided, to meet the more practical value purpose. SUMMARY

[0004] (1) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a drilling composite cutter, which solves the above problems.

[0006] (2) technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a drilling composite cutter, characterized in that the upper end of the connecting cylinder is fixedly installed with a mounting plate, and a through hole is formed in the upper end center of the mounting plate, a fixed cover is fixedly connected to the lower end of the connecting cylinder, and a protective plate is connected to the lower end of the fixed cover, wherein a rotating screw is arranged in the inner center of the connecting cylinder, and the upper end of the rotating screw extends to the upper end of the mounting plate through the central through hole of the mounting plate, and the lower end of the rotating screw is arranged in the inner center of the fixed cover.

[0008] Preferably, the lower end surface of the fixed cover is provided with an opening around, and a fixed rod is fixedly installed on the inner wall of the opening, and a connecting plate is fixedly sleeved on the outer end of the fixed rod, and the outer end of the connecting plate is fixedly connected to the upper end surface center of the protective plate.

[0009] Preferably, the inner wall surface of the connecting cylinder is provided with a rotating thread, and the outer end of the rotating thread is screwed with the rotating screw, wherein a replaceable tool is movably installed at the bottom end of the rotating screw.

[0010] Preferably, the lower end surface of the rotating screw is provided with a round hole on both sides, and a bolt is arranged in the inner part of the round hole, wherein an installation groove is formed in the central bottom surface of the rotating screw.

[0011] Preferably, the replaceable cutter comprises a connecting block and a milling cutter, the outer end of the connecting block is correspondingly sleeved with the inner part of the mounting groove, the lower end of the connecting block is connected with a limiting ring, and the lower end surface of the limiting ring is fixedly connected with the milling cutter.

[0012] Preferably, the outer end of the connecting block is provided with threaded holes on both sides, and the threaded holes at both ends are correspondingly arranged with the circular holes at the lower end of the rotating screw, and the bottom end of the bolt is threadedly connected in the threaded hole.

[0013] Preferably, the milling cutter is provided in a spiral shape, the front end of the milling cutter is gradually gathered along the axis, and the outer end of the milling cutter is provided in a way that the dog-tooth cross-section is opened on four sides.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the drilling composite cutter has the following beneficial effects:

[0016] 1. The drilling composite cutter realizes the synchronous rotation and up-down movement of the rotating screw and the replaceable cutter on the rotating screw through the precise cooperation of the rotating screw and the rotating thread in the connecting cylinder. This double movement mode greatly improves the efficiency of drilling processing. At the same time, the design of the replaceable cutter allows users to quickly replace different types of milling cutters according to processing needs. Whether it is the diameter size, cutting angle or cutter shape, it can be flexibly adjusted to adapt to the requirements of different materials and processing accuracy. This efficient and flexible processing capability not only improves production efficiency, but also reduces processing cost, and is an indispensable efficient tool in manufacturing industry.

[0017] 2. In the drilling process, the cutting debris and splashes often pose a threat to the operator and the surrounding equipment. The drilling composite cutter is designed by the ingenious combination of the fixed cover and the protective plate, effectively blocking the splashing of cutting debris, providing a safe and clean working environment for the operator. In addition, the solid structure of the fixed cover and the protective plate also enhances the stability and durability of the overall cutter, reduces the risk of failure caused by vibration or impact, and further improves the safety and reliability of the operation. This design not only protects the safety of the operator, but also prolongs the service life of the cutter and reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the connecting cylinder structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the rotating screw structure of the utility model;

[0021] Figure 4 The utility model discloses replaceable tool structure schematic diagram.

[0022] In the drawing: 1, connecting cylinder, 2, mounting plate, 3, fixed cover, 4, guard plate, 5, rotating screw, 6, fixed link, 7, rotating screw rod, 8, replaceable tool, 9, mounting groove, 10, bolt, 11, connecting block, 12, threaded hole, 13, milling cutter. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the range protected by the utility model.

[0024] Please refer to Figures 1-4 A kind of drilling composite cutter, including connecting cylinder 1, it is characterized in that, the upper end of connecting cylinder 1 is fixedly installed with mounting plate 2, and the upper end central hole is formed in mounting plate 2, the lower end of connecting cylinder 1 is fixedly connected with fixed cover 3, the lower end of fixed cover 3 is connected with guard plate 4 around respectively, wherein rotating screw rod 7 is arranged in the inside central of connecting cylinder 1, and in the upper end of rotating screw rod 7, the central through-hole of mounting plate 2 extends to the upper end of mounting plate 2, rotating screw rod 7 is arranged in the inside central of fixed cover 3 in the lower end.

[0025] Further, the lower end surface of fixed cover 3 around is formed with opening, and fixed rod 6 is fixedly installed in the inner wall of opening respectively, and connecting plate is fixedly sleeved on the outer end of fixed rod 6, and the upper end surface central of guard plate 4 is fixedly connected on the outer end side of connecting plate respectively.

[0026] Further, rotating screw 5 is arranged on the inner wall surface in the inside of connecting cylinder 1, and rotating screw 5 is screwed with the outer end of rotating screw rod 7, wherein replaceable tool 8 is movably installed in the bottom end of rotating screw rod 7.

[0027] Further, round hole is formed in the lower end surface both sides of rotating screw rod 7 respectively, and bolt 10 is arranged in the inside corresponding to round hole, wherein mounting groove 9 is formed in the central bottom surface of rotating screw rod 7.

[0028] Further, replaceable tool 8 includes connecting block 11 and milling cutter 13, the inside of mounting groove 9 is correspondingly sleeved with the outer end of connecting block 11, limit ring is connected in the lower end of connecting block 11, and milling cutter 13 is fixedly connected on the lower end surface of limit ring.

[0029] Further, the outer end of the connecting block 11 is provided with threaded holes 12 on both sides of the surface, and the two end threaded holes 12 are respectively arranged corresponding to the circular holes at the lower end of the rotating screw 7, and the bottom end of the bolt 10 is respectively screwed in the inside of the threaded hole 12.

[0030] Further, the milling cutter 13 is provided with a spiral shape cutter body, and the front end of the milling cutter 13 is gradually gathered along the axis, and the outer end of the milling cutter 13 is provided with a dog-tooth cross-section four-blade cutting mode.

[0031] Working principle: the connecting cylinder 1 is used as the main structure, and the rotating thread 5 is arranged inside, which is used for matching with the thread of the rotating screw 7, realizing the up-down movement and rotating movement of the rotating screw, the mounting plate 2 is fixed at the upper end of the connecting cylinder 1, providing a stable mounting base, the central through hole allows the rotating screw 7 to pass through, the fixed cover 3 is located at the lower end of the connecting cylinder 1, which is used for fixing and protecting the internal components, and the opening at the lower end of the fixed cover 3 and the fixed rod 6 are connected with the protective plate 4, enhancing the stability and safety of the overall structure, the rotating screw 7 is matched with the connecting cylinder 1 through the rotating thread 5, realizing the rotating and up-down movement, and the upper end extends above the mounting plate 2, which is convenient for operation; the lower end is deeply into the inside of the fixed cover 3, and is connected with the replaceable cutter 8, when the external power source (such as motor) drives the rotating screw 7 to rotate, because the rotating screw 7 is matched with the rotating thread 5 in the connecting cylinder 1, the rotating screw 7 will rotate around its axis, this rotating movement is transmitted to the milling cutter 13 through the connecting block 11, so that the milling cutter 13 can cut on the workpiece, by adjusting the output of the external power source or changing the meshing relationship between the rotating screw 7 and the rotating thread 5, the up-down movement of the rotating screw 7 and the replaceable cutter 8 on it can be realized, this movement function makes the cutter can be deeply into the workpiece to drill, or adjust the cutting depth, the spiral shape cutter body of the milling cutter 13 and the dog-tooth cross-section four-blade cutting design make it can efficiently cut materials in the rotating process, with the rotating and up-down movement of the rotating screw 7, the milling cutter 13 gradually forms a hole on the workpiece, the gathering design of the front end of the milling cutter 13 helps to reduce the cutting resistance and improve the machining precision, the combination design of the fixed cover 3 and the protective plate 4 effectively prevents the debris generated in the cutting process from splashing, protecting the safety of the operators and surrounding equipment, when the cutter is worn or needs to process holes of different sizes, the old replaceable cutter 8 can be taken off from the rotating screw 7 by loosening the bolt 10, and a new cutter can be installed, this design improves the flexibility and service life of the tool.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A drill composite cutter comprising a connecting cylinder (1), characterized in that, The upper end of the connecting cylinder (1) is fixedly installed with a mounting plate (2), a through hole is formed in the upper end center of the mounting plate (2), a fixed cover (3) is fixedly connected to the lower end of the connecting cylinder (1), protective plates (4) are respectively connected to the lower end of the fixed cover (3), a rotating screw (7) is arranged in the inner center of the connecting cylinder (1), the rotating screw (7) extends to the upper end of the mounting plate (2) through the central through hole of the mounting plate (2), and the lower end of the rotating screw (7) is arranged in the inner center of the fixed cover (3).

2. A drill composite cutter according to claim 1, characterized in that: Openings are respectively formed in the lower end surface of the fixed cover (3), fixed rods (6) are respectively fixedly installed on the inner walls of the openings, connecting plates are fixedly sleeved on the outer ends of the fixed rods (6), and the outer end sides of the connecting plates are respectively fixedly connected to the upper end surface centers of the protective plates (4).

3. The drill composite cutter of claim 1 wherein: A rotating thread (5) is arranged on the inner wall surface of the connecting cylinder (1), the rotating thread (5) is in threaded cooperation with the outer end of the rotating screw (7), and a replaceable cutter (8) is movably installed at the bottom end of the rotating screw (7).

4. A drill composite cutter according to claim 3, wherein: Round holes are respectively formed in the lower end surfaces of the rotating screw (7), bolts (10) are respectively arranged in the round holes, and a mounting groove (9) is formed in the central bottom surface of the rotating screw (7).

5. The drill composite cutter of claim 3 wherein: The replaceable cutter (8) comprises a connecting block (11) and a milling cutter (13), the outer end of the connecting block (11) is sleeved with the inner part of the mounting groove (9), a limiting ring is connected to the lower end of the connecting block (11), and the milling cutter (13) is fixedly connected to the lower end surface of the limiting ring.

6. A drill composite cutter according to claim 5, characterized in that: Threaded holes (12) are respectively formed in the outer end side surfaces of the connecting block (11), the two end threaded holes (12) are respectively arranged in corresponding relation with the round holes formed in the lower end of the rotating screw (7), and the bolts (10) are respectively screwed into the inner parts of the threaded holes (12).

7. The drill composite cutter of claim 5 wherein: The milling cutter (13) is arranged in a spiral shape, the front end of the milling cutter (13) is gradually gathered along the axis, and the outer end of the milling cutter (13) is arranged in a way that the dog-tooth cross-section has blades on four sides.

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