Alloy auger bit

Abstract

The utility model discloses an alloy auger drill which comprises a drill handle and a drill body arranged on the drill handle, a plurality of alloy cutting tool bits are arranged on the front end face of the drill body, each alloy cutting tool bit is welded to the front end face of the drill body, a positioning drill bit is arranged in the center of the front end face of the drill body, and the alloy cutting tool bits are welded to the positioning drill bit. The positioning drill bit and the drill body are made of the same material and integrally formed, and the alloy cutting tool bits are distributed at intervals with the positioning drill bit as the center. On the basis that the design is reasonable, the structure is simple and the production and manufacturing difficulty is reduced, hard wood can be better drilled, the service life is greatly prolonged, and the use requirement is better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to timber processing tool technical field especially relates to a kind of alloy branch drill. BACKGROUND

[0002] It is known that branch drill is usually used in timber processing process, such as the branch drill disclosed in the Chinese utility model patent with the authorization announcement No.CN215618722U, comprising: drill body, spiral groove is arranged on the drill body for facilitating chip removal;Drill handle is arranged at the tail end of the drill body for clamping;Drill head is connected with the drill body, the existing drill body and drill head are integrally formed of the same material, but for some hard wood when drilling, especially long time use is easily damaged, greatly shorten the service life, cannot satisfy use demand, so it is urgent to make improvement. SUMMARY

[0003] (I) technical problem to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of alloy branch drill, which is more conducive to drilling hard wood on the basis of keeping reasonable design, simple structure, reduce the production manufacturing difficulty, greatly improve the service life, more conducive to meet the use demand.

[0005] (II) technical scheme to be taken

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] A kind of alloy branch drill, including drill handle and the drill body being arranged on the drill handle, the front end face of the drill body is provided with several alloy cutting tool bits, each alloy cutting tool bit is welded on the front end face of the drill body, and the center position of the front end face of the drill body is provided with a positioning drill head, the positioning drill head and the drill body are integrally formed of the same material, and the alloy cutting tool bits are distributed at intervals with the positioning drill head as the center.

[0008] Preferably, each alloy cutting tool bit includes an alloy seat welded on the front end face of the drill body, a cutting edge is arranged on the outer side of the alloy seat, the cutting edge is inclined in one direction, and the inner side of the alloy seat is welded on the positioning drill head.

[0009] Preferably, the upper end face of the alloy seat is inclined in the same direction as the cutting edge, and the two side faces of the alloy seat are both concave arc shapes.

[0010] Preferably, the positioning drill head is a drill bit with three cutting surfaces or a conical knife with external threads.

[0011] Preferably, the drill body comprises a core rod and a number of spiral blades arranged spirally along the core rod, and a spiral groove is formed between adjacent spiral blades, and the spiral groove is provided as a spiral groove.

[0012] Preferably, the number of spiral blades is three, and the number of alloy cutting heads is also three.

[0013] Preferably, thread tips are uniformly arranged on each spiral blade.

[0014] Preferably, the rear end surface of the drill handle is provided with a mounting groove, and an internal thread is arranged in the mounting groove.

[0015] (Three) technical effects to be achieved

[0016] Compared with the prior art, the drill body of the present application has the following beneficial effects:

[0017] Firstly, the front end surface of the drill body is provided with a number of alloy cutting heads, each of which is welded to the front end surface of the drill body. On the basis of reasonable design, simple structure and reduced production difficulty, it is more conducive to drilling hard wood, greatly improves the service life, and is more conducive to meeting the use requirements.

[0018] Secondly, the front end surface of the drill body is provided with a positioning drill bit at the center position, and the positioning drill bit and the drill body are integrally formed of the same material. A number of alloy cutting heads are distributed at intervals with the positioning drill bit as the center. This kind of setting structure is more firm, which is conducive to rapid positioning and subsequent drilling, greatly improving the accuracy and efficiency of drilling. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present application.

[0020] Figure 2 It is a whole schematic diagram of the present application.

[0021] Figure 3 It is Figure 2 It is a local enlarged schematic diagram of A in the middle.

[0022] Figure 4 It is a schematic diagram of embodiment one of the present application.

[0023] Figure 5 It is a schematic diagram of embodiment two of the present application.

[0024] Figure 6 It is a schematic diagram of embodiment three of the present application.

[0025] Figure 7 It is a schematic diagram of embodiment four of the present application.

[0026] Figure 8 Figure five is a schematic view of the embodiment of the present application.

[0027] In the figure: 1, drill handle; 2, drill body; 3, alloy cutting tool bit; 4, positioning drill bit; 11, mounting groove; 21, threaded tip; 31, alloy seat; 32, cutting edge. DETAILED DESCRIPTION

[0028] In the description of the present application, it should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] In the description of the present application, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed during use, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality of" means two or more, unless otherwise specifically limited. "Several" means one or more, unless otherwise specifically limited.

[0030] In the description of the present application, it should also be noted that, unless otherwise specifically defined and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the utility model will be further described in detail below through the drawings and examples. However, it should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0032] Example one: refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , an alloy drill bit, comprising a drill handle 1 and a drill body 2 arranged on the drill handle 1, the front end face of the drill body 2 is provided with a plurality of alloy cutting tool bits 3, each alloy cutting tool bit 3 is welded on the front end face of the drill body 2, and a positioning drill bit 4 is arranged at the center position of the front end face of the drill body 2, the positioning drill bit 4 is integrally formed with the drill body 2 of the same material, and the plurality of alloy cutting tool bits 3 are distributed at intervals with the positioning drill bit 4 as the center, which greatly improves the firmness of the structure.

[0033] Example two: can be based on example one, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , each alloy cutting tool bit 3 comprises an alloy seat 31 welded on the front end face of the drill body 2, the outer side upper end face of the alloy seat 31 is provided with a cutting edge 32, the cutting edge 32 is inclined in one direction, and the inner side end face of the alloy seat 31 is welded on the positioning drill bit 4, which is beneficial to cutting and improves the efficiency of cutting. Further, the upper end face of the alloy seat 31 is inclined in the same direction with the cutting edge 32, which is beneficial to cutting during the drilling process, the two side faces of the alloy seat 31 are both concave arc shapes, which is beneficial to drilling and cutting, also beneficial to chip removal, also beneficial to heat dissipation, beneficial to improving the service life, also beneficial to improving the work efficiency.

[0034] Example three: can be based on example one or example two, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the positioning drill bit 4 is a drill bit with three cutting surfaces or a conical cutter with external threads, which is reasonable, convenient for quick positioning, makes the types various, has large selection space, and can meet the use demand better.

[0035] Embodiment four: can be based on embodiment one or embodiment two or embodiment three, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 As shown, the drill body 2 includes a core rod and a number of spiral blades arranged along the core rod, a spiral groove is formed between adjacent spiral blades, the spiral groove is provided as a spiral groove, so that the wood chips can be quickly discharged, the alloy cutting head 3 is arranged on the front end surface of the spiral blade, which is reasonable and convenient for cutting. Further explanation, the spiral blade is three, the alloy cutting head 3 is also three, which is reasonable and convenient for implementation.

[0036] As shown in Figure 5 And Figure 6 Among them, the thread tip 21 is uniformly arranged on each spiral blade, and the thread tip 21 is a triangular blade in cross section, which is beneficial to deep hole cutting, and also beneficial to reducing the contact area and better heat dissipation, and improving the service life.

[0037] Embodiment five: can be based on embodiment one or embodiment two or embodiment three or embodiment four, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 As shown, the rear end surface of the drill handle 1 is provided with a mounting groove 11, and the mounting groove 11 is provided with an internal thread, which is beneficial to the connection with the outside and more convenient for installation and disassembly. As shown in Figure 7 And Figure 8 The drill handle 1 adopts a hexagonal prism, which has a large selection and can better meet the use requirements.

[0038] The standard parts used in the present application can be purchased from the market, and the specific connection mode of each part adopts the conventional means such as bolts and rivets in the prior art, which will not be described in detail here.

[0039] It should be noted that although the above embodiments have been described in the present text, they do not limit the patent protection scope of the present application. Therefore, based on the innovative concept of the present application, the changes and modifications of the embodiments described in the present text, or the equivalent structure or equivalent process transformation made by using the contents of the present application specification and drawings, directly or indirectly apply the above technical solutions to other related technical fields, are all included in the protection scope of the present application patent.

Claims

1. An alloy branch drill comprising a shank (1) and a body (2) provided on the shank (1), characterized in that: The front end face of the drill body (2) is provided with a plurality of alloy cutting heads (3), each of which is welded on the front end face of the drill body (2), and a positioning drill bit (4) is arranged at the center position of the front end face of the drill body (2), the positioning drill bit (4) is integrally formed with the drill body (2) of the same material, a plurality of alloy cutting heads (3) are distributed at intervals with the positioning drill bit (4) as the center, each alloy cutting head (3) comprises an alloy seat (31) welded on the front end face of the drill body (2), the outer side upper end face of the alloy seat (31) is provided with a cutting edge (32), the cutting edge (32) is inclined in a direction, and the inner side end face of the alloy seat (31) is welded on the positioning drill bit (4), the upper end face of the alloy seat (31) is inclined in the same direction as the cutting edge (32), and the two side faces of the alloy seat (31) are both inwardly concave arc shapes.

2. The alloy drill bit of claim 1 wherein: The positioning drill bit (4) is a drill bit with three cutting surfaces or a conical drill bit with external threads.

3. The alloy drill bit of claim 1 wherein: The drill body (2) comprises a core rod and a plurality of spiral blades arranged along the core rod in a spiral manner, and a spiral groove is formed between adjacent spiral blades, the spiral groove is provided in the form of a spiral groove.

4. The alloy drill bit of claim 3 wherein: The spiral blades are three, and the alloy cutting heads (3) are also three.

5. The alloy drill bit of claim 3 wherein: Threaded points (21) are uniformly arranged on each spiral blade.

6. The alloy shank drill of claim 1 or 2 or 3 or 4 or 5 wherein: The rear end face of the drill handle (1) is provided with a mounting groove (11), and the mounting groove (11) is provided with internal threads.

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