Integral drilling reamer

Abstract

The utility model discloses an integral type drilling reamer, and relates to the related technical field of cutters. The tool comprises a tool body, the tool body comprises a tool bit part and a mounting seat, one side of the mounting seat is connected with the tool bit part, one side, connected with the tool bit part, of the mounting seat is magnetically connected with a chip blocking ring, and one side, far away from the mounting seat, of the chip blocking ring is provided with a chip blocking cover body. An arc-shaped mounting ring is arranged at the bottom of the scrap blocking ring, three positioning holes are formed in the arc-shaped mounting ring, connecting rods are inserted into two of the positioning holes, a brush is inserted into the remaining positioning hole, a first inner threaded hole is formed in a brush rod of the brush, and a second inner threaded hole is formed in the brush rod of the brush. A second inner threaded hole is formed in one side of each connecting rod, an outer threaded rod is arranged on the other side of each connecting rod, and the outer threaded rods are in threaded connection with the first inner threaded holes or the second inner threaded holes. The cutter is provided with the cleaning brush, so that the cutter head is convenient to clean later.

Description

Technical Field

[0001] The utility model belongs to the relevant technical field of cutting tools, in particular to an integral drilling reamer. Background Art

[0002] A tool is a tool used for cutting in mechanical manufacturing, also known as a cutting tool. For example, patent No. 202121875129.9 discloses an integral composite drill reamer, including a drill head, a mounting rod is provided on one side of the drill head, a reamer portion is provided on the surface of the mounting rod, a transition rod is provided on one side of the mounting rod, a tool handle is provided on one side of the transition rod, and a fixed mounting assembly is provided between the mounting rod and the transition rod, and the fixed mounting assembly includes a fixed block, a limit spring, a blocking block, a positioning plug rod, a T-block, a connecting slider and a fixed slide rod, wherein a T-block is provided on the side of the mounting rod close to the transition rod, a fixed block is symmetrically provided inside the transition rod, and a fixed slide rod is provided on one side of the fixed block, but the following problems are found in the use of this structure: 1. During use, waste chips are easy to fly around; 2. It does not come with a cleaning brush, and another cleaning brush is needed to clean the tool in the later stage. Utility Model Content

[0003] The utility model aims to provide an integral drill reamer, which solves the problem that the existing tools have the problem that the head drill bit cannot be replaced at a later stage. Once the drill bit is severely worn or the head is broken, the entire product is easily scrapped, which ultimately affects the service life of the entire product. In addition, the same material is used as a whole, resulting in high costs.

[0004] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model is an integral drill reamer, comprising a tool body, the tool body comprising a tool head and a mounting seat, one side of the mounting seat is connected to the tool head, a chip guard ring is magnetically connected to the side where the mounting seat is connected to the tool head, a chip guard cover is provided on the side of the chip guard ring away from the mounting seat, an arc-shaped mounting ring is provided at the bottom of the chip guard ring, three positioning holes are provided on the arc-shaped mounting ring, connecting rods are inserted in two of the positioning holes, and a brush is inserted in the remaining positioning hole, an internal threaded hole 1 is provided on the brush rod of the brush, an internal threaded hole 2 is provided on one side of each connecting rod, and an external screw is provided on the other side of each connecting rod, and the external screw is threadedly connected to the internal threaded hole 1 or the internal threaded hole 2.

[0006] Preferably, in order to facilitate installation and removal of the connecting rod at a later time, a magnetic ring is provided on the side where the mounting seat is connected to the cutter head, an iron ring cooperating with the magnetic ring is provided on one side of the chip guard ring, and a spring is provided in each of the two positioning holes for installing the connecting rod, one end of the spring being against the outer screw and the other end being against the inside of the positioning hole.

[0007] Preferably, the cutter head adopts a spiral structure to make chip removal smoother. The edge of the cutter head is provided with two spiral chip grooves which are centrally symmetrical about the axis of the tool body. A PCD drill blade is provided at one end of each spiral chip groove, and two spaced-apart PCD reamer blades and PCD chamfering blades are provided on the side of each spiral chip groove.

[0008] As a preferred embodiment, it is ensured that the blades at the reaming and chamfering positions form an angle so that the cutting force of the product is dispersed and the tool life is increased. The two PCD drill blades are symmetrically arranged, the two PCD reamer blades are symmetrically arranged, and the two PCD chamfering blades are symmetrically arranged. The PCD drill blade, PCD reamer blade and PCD chamfering blade on the same side are not on the same line, so that the drill, reamer and chamfering blades form an angle.

[0009] Preferably, the PCD chamfering blade comprises a first bevel, a second bevel, a first longitudinal plane, a first transverse plane and a curved surface connected in sequence, and the first bevel is also connected to the curved surface to form a complete chamfering blade, the first bevel, the second bevel, the first longitudinal plane and the first transverse plane are located outside the spiral chip groove as a chamfering cutter head, and the chamfering cutter head part exposes the spiral chip groove.

[0010] Preferably, the PCD reamer blade is a semicircular ring structure, and a notch is provided on one side of the plane of the PCD reamer blade to form a reamer head.

[0011] Preferably, in order to facilitate hand-held operation during later installation, two symmetrical U-shaped notches are provided on the side of the mounting seat.

[0012] The utility model has the following beneficial effects: the structure achieves chip blocking by detachably installing a chip guard ring on the tool mounting seat, and utilizes the chip guard cover on the chip guard ring to prevent chips from flying around; at the same time, the chip guard ring is equipped with a brush, which can be used to clean the chips remaining on the tool, and there is no need to find another brush for cleaning later, which is ultimately convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the exploded structure of an integrated drill reamer in Example 1;

[0014] Figure 2 It is a schematic diagram of the right side of the chip guard ring in Example 1;

[0015] Figure 3 This is a schematic diagram of the internal structure of the connecting rod and the brush when they are disassembled in Example 1;

[0016] Figure 4 It is a schematic diagram of the overall structure of the tool body in Example 1;

[0017] Figure 5 Schematic diagram of the overall structure of the PCD chamfering insert.

[0018] Figure numerals: tool body 1, tool head 101, mounting seat 102, chip guard ring 2, chip guard cover 3, arc-shaped mounting ring 4, positioning hole 5, connecting rod 6, brush 7, internal threaded hole one 8, internal threaded hole two 9, external screw 10, magnetic ring 11, iron ring 12, spiral chip groove 13, PCD drill blade 14, PCD reamer blade 15, PCD chamfering blade 16, spring 17, first bevel 161, second bevel 162, first longitudinal plane 163, first transverse plane 164, arc surface 165, notch one 151, U-shaped notch 1021. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-5 As shown, an integral drill reamer disclosed in this embodiment includes a tool body 1, wherein the tool body 1 includes a tool head 101 and a mounting seat 102, wherein one side of the mounting seat 102 is connected to the tool head 101, and a chip retaining ring 2 is magnetically connected to the side where the mounting seat 102 is connected to the tool head 101, and a chip retaining cover 3 is provided on the side of the chip retaining ring 2 away from the mounting seat 102, and an arc-shaped mounting ring 4 is provided at the bottom of the chip retaining ring 2, and three positioning holes 5 are provided on the arc-shaped mounting ring 4, wherein connecting rods 6 are inserted into two of the positioning holes 5, and a brush 7 is inserted into the remaining positioning hole 5, and an internal threaded hole 1 8 is provided on the brush rod of the brush 7, an internal threaded hole 2 9 is provided on one side of each connecting rod 6, and an external screw 10 is provided on the other side of each connecting rod 6, and the external screw 10 is threadedly connected to the internal threaded hole 1 8 or the internal threaded hole 2 9.

[0022] This structure achieves chip blocking by detachably installing a chip guard ring 2 on the tool mounting seat 102, and utilizes the chip guard cover 3 on the chip guard ring 2 to prevent chips from flying around. At the same time, the chip guard ring 2 is equipped with a brush, and the brush 7 can be used to clean the chips remaining on the tool, so there is no need to find another brush for cleaning later, which is ultimately convenient for users to use.

[0023] Preferably, in order to facilitate installation and remove the connecting rod at a later time, a magnetic ring 11 is provided on the side where the mounting seat 102 is connected to the cutter head 101, and an iron ring 12 cooperating with the magnetic ring 11 is provided on one side of the chip retaining ring 2. A spring 17 is provided in each of the two positioning holes 5 for installing the connecting rod 6, one end of which is against the external screw 10 and the other end is against the inside of the positioning hole 5. In this structure, the connection between the mounting seat 102 and the chip retaining ring 2 adopts the magnetic connection between the magnetic ring 11 and the iron ring 12, which is convenient for disassembly at a later time. In addition, in order to facilitate the quick removal of the connecting rod 6 at a later time, a spring 17 is provided in the positioning hole 5. The spring 17 One end is against the bottom of the positioning hole 5, and the other end is against the external screw 10 on the connecting rod 6. Under the action of the spring, the connecting rod 6 is partially exposed from the positioning hole 5 and is located outside the chip guard ring 2, which is convenient for taking the connecting rod 6. Then the external screw 10 of one of the connecting rods 6 is threadedly connected with the internal threaded hole 9 on the other connecting rod 6. After removing the brush 7, the internal threaded hole 8 on the brush 7 is connected with the external screw 10 on the assembled connecting rod 6. The two connecting rods 60 are combined as handles, and the head of the brush 7 can be used to clean the tool. It should be noted that in order to facilitate the removal of the brush 7, an elastic ring structure can be set on the stem of the brush 7.

[0024] Preferably, the cutter head adopts a spiral structure to make chip removal smoother. The edge of the cutter head 101 is provided with two spiral chip grooves 13 which are centrally symmetrical about the axis of the tool body. A PCD drill blade 14 is provided on one end of each spiral chip groove 13. Two spaced PCD reamer blades 15 and PCD chamfering blades 16 are provided on the side of each spiral chip groove 13. In this embodiment, the cutter head adopts a spiral structure as a whole to make chip removal smoother, and the blades are all arranged in the spiral chip groove 13, which facilitates the processing of the tool, further makes chip removal faster, and the overall cutter head has better fluency.

[0025] Preferably, it is ensured that the blades at the reaming and chamfering positions form an angle so that the cutting force of the product is dispersed and the tool life is increased. The two PCD drill blades 14 are symmetrically arranged, the two PCD reamer blades 15 are symmetrically arranged, and the two PCD chamfering blades 16 are symmetrically arranged. The PCD drill blades 14, the PCD reamer blades 15 and the PCD chamfering blades 16 on the same side are not on the same line, so that the drill, reamer and chamfering blades form an angle. In this embodiment, the PCD drill blades 14, the PCD reamer blades 15 and the PCD chamfering blades 16 on the same side do not form an angle on the same line, so that the cutting force of the product is dispersed and the tool life is increased.

[0026] Preferably, the PCD chamfering blade 16 includes a first bevel 161, a second bevel 162, a first longitudinal plane 163, a first transverse plane 164 and a curved surface 165 connected in sequence, and the first bevel 161 is also connected to the curved surface 165 to form a complete chamfering blade, the first bevel 161, the second bevel 162, the first longitudinal plane 163, and the first transverse plane 164 are located outside the spiral chip groove 13 as a chamfering tool head, and the chamfering tool head 101 partially exposes the spiral chip groove 13, the PCD reamer blade 15 is a semi-circular ring structure, and a notch 151 is provided on one side of the plane of the PCD reamer blade 15 to form a reamer tool head.

[0027] Preferably, in order to facilitate hand-holding operation during later installation, two symmetrical U-shaped notches 1021 are provided on the side of the mounting seat 102. In this structure, by providing U-shaped notches 1021 on the side of the mounting seat 102, the tool can be easily held by hand during later installation, thereby improving safety.

[0028] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. An integrated drill reamer, comprising a tool body (1), wherein the tool body (1) comprises a tool head (101) and a mounting seat (102), wherein one side of the mounting seat (102) is connected to the tool head (101), characterized in that: A chip retaining ring (2) is magnetically connected to one side of the mounting seat (102) connected to the cutter head (101); a chip retaining cover (3) is provided on the side of the chip retaining ring (2) away from the mounting seat (102); an arc-shaped mounting ring (4) is provided at the bottom of the chip retaining ring (2); three positioning holes (5) are provided on the arc-shaped mounting ring (4); connecting rods (6) are inserted into two of the positioning holes (5); a brush (7) is inserted into the remaining positioning hole (5); an internal threaded hole (8) is provided on the brush rod of the brush (7); an internal threaded hole (9) is provided on one side of each connecting rod (6); an external screw (10) is provided on the other side of each connecting rod (6); the external screw (10) is threadedly connected to the internal threaded hole (8) or the internal threaded hole (9).

2. The integrated drill reamer according to claim 1, characterized in that: A magnetic ring (11) is provided on one side of the mounting seat (102) connected to the cutter head (101), an iron ring (12) cooperating with the magnetic ring (11) is provided on one side of the chip retaining ring (2), and a spring (17) is provided in each of the two positioning holes (5) for mounting the connecting rod (6), one end of the spring abutting against the outer screw (10) and the other end of the spring abutting against the inside of the positioning hole (5).

3. The integrated drill reamer according to claim 2, characterized in that: The edge of the tool head (101) is provided with two spiral chip grooves (13) which are centrally symmetrical about the axis of the tool body, a PCD drill blade (14) is arranged at one end of each spiral chip groove (13), and two spaced-apart PCD reamer blades (15) and a PCD chamfering blade (16) are arranged on the side of each spiral chip groove (13).

4. The integrated drill reamer according to claim 3, characterized in that: Two PCD drill blades (14) are symmetrically arranged, two PCD reamer blades (15) are symmetrically arranged, and two PCD chamfering blades (16) are symmetrically arranged. The PCD drill blades (14), PCD reamer blades (15) and PCD chamfering blades (16) on the same side are not on the same line, so that the drill, reamer and chamfering blades form an angle.

5. The integrated drill reamer according to claim 3, characterized in that: The PCD chamfering blade (16) comprises a first bevel (161), a second bevel (162), a first longitudinal plane (163), a first transverse plane (164) and a cambered surface (165) which are connected in sequence, and the first bevel (161) is also connected to the cambered surface (165) to form a complete chamfering blade, and the first bevel (161), the second bevel (162), the first longitudinal plane (163) and the first transverse plane (164) are located outside the spiral chip groove (13) as a chamfering cutter head, and the chamfering cutter head portion (101) is partially exposed from the spiral chip groove (13).

6. The integrated drill reamer according to claim 3, characterized in that: The PCD reamer blade (15) is a semicircular ring structure, and a notch (151) is provided on one side of the plane of the PCD reamer blade (15) to form a reamer head.

7. An integrated drill reamer according to claim 1, 2 or 3, characterized in that: Two symmetrical U-shaped notches (1021) are arranged on the side of the mounting seat (102).

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