CN220921010U - Drilling and twisting integrated cutter - Google Patents

Abstract

The utility model discloses a drilling and reaming integrated cutter, which comprises: a knife handle; the cutting head comprises a twisting part, a transition part and a drill bit part which are sequentially connected, wherein the twisting part is connected with the cutter handle, the transition part is conical and gradually tapers along the diameter, which is close to the direction of the drill bit part, the twisting part is provided with a first outer edge, the transition part is provided with a transition edge, the drill bit part is provided with a peripheral edge and a taper edge connected with the peripheral edge, and the transition edge is connected with the first outer edge and the peripheral edge. The utility model can reduce the drilling time, improve the machining efficiency and improve the machining precision.

Description

Drilling and twisting integrated cutter

Technical Field

The utility model relates to the technical field of cutters, in particular to a drilling and reaming integrated cutter.

Background

In traditional machining, especially in drilling, for the hole site with high requirement on the machining surface quality, a drill bit is required to be used for drilling, and then a reamer is used for finishing the hole, so that the hole structure meets the design requirement.

However, the existing method for processing the high-precision hole needs to use a plurality of cutters, consumes processing time, has more processes, increases cutter cost, has low processing efficiency and has insufficient processing precision.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the drilling and reaming integrated tool, which can reduce the drilling and machining time, improve the machining efficiency and improve the machining precision.

According to an embodiment of the first aspect of the present utility model, a drilling and reaming integrated tool includes: a knife handle; the cutting head comprises a twisting part, a transition part and a drill bit part which are sequentially connected, wherein the twisting part is connected with the cutter handle, the transition part is conical and gradually tapers along the diameter, which is close to the direction of the drill bit part, the twisting part is provided with a first outer edge, the transition part is provided with a transition edge, the drill bit part is provided with a peripheral edge and a taper edge connected with the peripheral edge, and the transition edge is connected with the first outer edge and the peripheral edge.

According to some embodiments of the utility model, the reaming portion further has a second outer edge and a third outer edge, a first connecting surface being provided between the first outer edge and the second outer edge, and a second connecting surface being provided between the second outer edge and the third outer edge.

According to some embodiments of the utility model, the bevel blade comprises a first connecting section, a second connecting section and a chisel edge section connected in sequence, the first connecting section being connected with the peripheral edge.

According to some embodiments of the utility model, the shank is provided with a taper connected with the cutting head and tapered in diameter in the direction of the cutting head.

According to some embodiments of the utility model, the diameter of the reaming portion is 0.89-0.91mm.

According to some embodiments of the utility model, the drill bit portion has a diameter of 0.84-0.86mm.

According to some embodiments of the utility model, the taper of the bit section is 118 °.

According to some embodiments of the utility model, the cutting head further comprises junk slots extending helically along the bit section, transition section and reaming section in sequence.

The drilling and reaming integrated cutter provided by the embodiment of the utility model has at least the following beneficial effects:

1. According to the utility model, the reaming part and the drill part are provided with the first outer edge, the drill part is provided with the peripheral edge and the conical edge, the conical edge and the peripheral edge are utilized to drill the product to be processed, and then the first outer edge is utilized to finish-twist the hole site, so that the hole structure of the product to be processed can be formed at one time, the surface quality of the hole site is improved, and the drilling processing efficiency is also improved.

2. According to the utility model, the transition part is provided with the transition edge, and the diameter of the reaming part is larger than that of the drill bit part, so that the smooth conversion of drilling processing to finish reaming is ensured by utilizing the conical structure of the transition part, and the processing precision of the hole site is improved.

3. According to the utility model, the cutter handle, the reaming part and the drill part are integrally formed, so that the drilling time is reduced, the drilling process is simplified, the tool magazine is reduced, the production cost is reduced, and the machining efficiency is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

Fig. 1 is a schematic structural diagram of a drilling and reaming integrated cutter according to an embodiment of the present utility model;

FIG. 2 is a first partial schematic view of the integrated drilling and reaming tool of FIG. 1;

Fig. 3 is a second partial structural schematic diagram of the drilling and reaming integrated tool shown in fig. 1.

Reference numerals: 100-tool shank, 110-cutting head, 120-reaming portion, 130-transition portion, 140-drill portion, 150-first outer edge, 160-transition edge, 170-peripheral edge, 180-conical edge, 190-second outer edge, 200-third outer edge, 210-first connecting surface, 220-second connecting surface, 230-first connecting section, 240-second connecting section, 250-chisel edge section, 260-conical portion, 270-junk slot.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A drilling and reaming integrated tool according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1, a drilling and reaming integrated tool according to an embodiment of the present utility model includes a shank 100 and a cutting head 110.

The cutting head 110 includes a reaming portion 120, a transition portion 130 and a drill bit 140, where the reaming portion 120 is connected with the tool shank 100, the transition portion 130 is tapered and the diameter of the transition portion is tapered along a direction close to the drill bit 140, the reaming portion 120 has a first outer edge 150, the transition portion 130 has a transition edge 160, the drill bit 140 has a peripheral edge 170, a taper edge 180 connected with the peripheral edge 170, and the transition edge 160 connects the first outer edge 150 and the peripheral edge 170.

In some embodiments of the present utility model, referring to fig. 2, the reaming portion 120 further has a second outer edge 190 and a third outer edge 200, a first connection surface 210 is provided between the first outer edge 150 and the second outer edge 190, and a second connection surface 220 is provided between the second outer edge 190 and the third outer edge 200.

Thus, the reaming portion 120 has the first, second and third outer edges 150, 190 and 200, and the first, second and third outer edges 150, 190 and 200 can finish-ream the hole site, further improving the machining quality of the surface of the hole site.

In some embodiments of the present utility model, referring to fig. 3, the bevel blade 180 includes a first connection section 230, a second connection section 240, and a chisel edge section 250 connected in sequence, the first connection section 230 being connected with the peripheral blade 170, thus facilitating the strength of the bevel blade 180.

In some embodiments of the present utility model, the tool shank 100 is provided with a tapered portion 260, the tapered portion 260 being connected to the cutting head 110 and tapered in diameter in the direction of the cutting head 110.

In some embodiments of the present utility model, the diameter of the reaming portion 120 is 0.89-0.91mm, thus meeting the finish reaming requirements of the hole site.

In some embodiments of the utility model, the diameter of the bit portion 140 is 0.84-0.86mm.

In some embodiments of the present utility model, the taper of the bit portion 140 is 118, and thus, the taper of the bit portion 140 is advantageous for improving drilling efficiency.

In some embodiments of the present utility model, the cutting head 110 further includes junk slots 270, and the junk slots 270 extend helically along the bit section 140, the transition section 130, and the reaming section 120 in order, thereby enabling chips generated during drilling and finish reaming to be discharged.

Thus, the present embodiment has the following effects:

1. According to the utility model, the reaming part 120 and the drill part 140 are adopted, the reaming part 120 is provided with the first outer edge 150, the drill part 140 is provided with the peripheral edge 170 and the taper edge 180, the taper edge 180 and the peripheral edge 170 are utilized to drill a product to be processed, and then the first outer edge 150 is utilized to finish-twist a hole site, so that the hole structure of the product to be processed can be formed at one time, the surface quality of the hole site is improved, and the drilling efficiency is also improved.

2. The transition part 130 is arranged, so that the transition part 130 is provided with the transition blade 160, and the diameter of the reaming part 120 is larger than that of the drill part 140, so that the transition part 130 is in a cone-shaped structure, smooth conversion from drilling to finish reaming is ensured, and the processing precision of a hole site is improved.

3. According to the utility model, the cutter handle 100, the reaming part 120 and the drill part 140 are integrally formed, so that the drilling time is reduced, the drilling process is simplified, the tool magazine is reduced, the production cost is reduced, and the machining efficiency is improved.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (8)

1. A drilling and reaming integrated tool, comprising:

A shank (100);

Cutting head (110), including hank portion (120), transition portion (130) and drill bit portion (140) that connect gradually, hank portion (120) with handle of a knife (100) are connected, transition portion (130) are coniform and diameter edge be close to drill bit portion (140) direction tapering, hank portion (120) have first outer sword (150), transition portion (130) have transition sword (160), drill bit portion (140) have week sword (170), with taper sword (180) that week sword (170) are connected, transition sword (160) connect first outer sword (150) with week sword (170).

2. The integrated drilling and reaming tool according to claim 1, characterized in that the reaming portion (120) further has a second outer edge (190) and a third outer edge (200), a first connecting surface (210) being provided between the first outer edge (150) and the second outer edge (190), and a second connecting surface (220) being provided between the second outer edge (190) and the third outer edge (200).

3. The integrated drilling and reaming tool of claim 1, wherein the tapered edge (180) comprises a first connecting section (230), a second connecting section (240) and a chisel edge section (250) connected in sequence, the first connecting section (230) being connected to the peripheral edge (170).

4. The integrated drill and reamer tool according to claim 1, characterized in that the shank (100) is provided with a conical portion (260), the conical portion (260) being connected to the cutting head (110) and tapering in diameter in the direction of the cutting head (110).

5. The integrated drilling and reaming tool of claim 1, wherein the diameter of the reaming portion (120) is 0.89-0.91mm.

6. The integrated drilling and reaming tool of claim 1, wherein the diameter of the bit portion (140) is 0.84-0.86mm.

7. The integrated drilling and reaming tool of claim 1, wherein the taper of the bit portion (140) is 118 °.

8. The integrated drill and reamer tool of claim 1, wherein the cutting head (110) further comprises junk slots (270), the junk slots (270) extending helically along the bit portion (140), transition portion (130), and reamer portion (120) in sequence.