M440841 五、新型說明： 【新型所屬之技術領域】 本創作係有關一種鑽頭結構，特 — 為鐵柄部且鑽柄部與鑽科結合強度程塑勝作 门鐵頭結構。M440841 V. New description: [New technical field] This creation is related to a drill bit structure, which is specially designed for the iron handle and the combination of the shank and the drill.
【先前技術J 一般印刷電路板上所使用之鑽頭 材質所製成，早期鑽頭無論是錯 円硬度之碳化鎢 制體成型製作，由於碳化鶴材料取得成本昂貴 ^ 衣造成本居高不下而無法降低，較不具有經濟效益性。， 目前多數鑽頭係使用不銹鋼作為 部與鑽刃部之間的結合方式多樣:=二=鑽柄 =方式，另—種則於鑽柄部—端形成二 的為插设於凹槽内以固接而成。 、〇p 造商的鑽=鋼，成本亦逐漸升高’不利於鑽頭製 部益法被作為報廢品時，不鏽鋼之鑽柄 被直接進㈣產品再次利用，而造成資_浪費。 【新型内容】 解決上述問題，本創作目的之一係提出—種 ΐ佳之優，與鑽柄部的緊密結合， 二種鑽頭結構，於製作上具有節 3 耐作目。的之—係提供—種鑽頭結構，其係以高硬度及 工程塑膠作為鑽柄部，取代以往使訂卩貴之碳化鎢 成本之優點。 所產生之南額成本，因此具有降低材料 部皆麵肖構，嫩部及鑽柄 複再彻的特性，符合環保概;t之訴求。 為了達到上述目W，本創作—實施例之鑽頭結構包含. 鑽刀部包含一本體部以及一固定部延設於本體部之— ，且固定部之外表面形成㈣花溝紋；以及-鑽柄部係由 工私塑耀所構成，工程塑膠之硬度大於2隱，且工程塑膠 之承受溫度介於靴至侧。c之間，鑽柄部的—端包覆鑽 刃。P之固定部，且壓花溝紋佈滿工程塑膠。 【實施方式】 —圖1所示為本創作一實施例鑽頭結構之結構示意圖。於 本實施例中，鑽頭結構10包含一鑽柄部12及一鑽刃部14, 鑽刀pP 14包含一本體部16，於一實施例中，本體部16 一 端外緣形成有可進行切削或鑽孔之刀部18，本體部16遠離 刃部W的另端延設一固定部20，且固定部2〇外表面形成 有壓花溝紋22 ;鑽柄部12係由工程塑膠所構成，鑽柄部12 之一端包覆鑽刃部14之固定部20，且固定部20表面之壓 花溝紋22佈滿工程塑膠，其中工程塑膠之硬度係大^ 20HRC，且工程塑膠之承受溫度介於1〇(rCi 4〇〇〇c之間。 接續上述說明，鑽刃部14之固定部20係呈圓桿狀，壓 花溝紋22係為斜向交錯之溝紋形成於固定部2〇外表面，進 一步地’於固定部2〇之外表面更形成有環形溝24，當鑽柄 部12包覆固定部20時，環形溝24亦填滿工程塑膠。 上述之鑽刃部14係由碳化鎢棒材所製成，本體部16上 之刃部18與固定部20表面之壓花溝紋22與環形溝24係利 用鑽石砂輪一體加工成型。又工程塑膠較佳者為選自聚醯胺 類、聚自曰類、t謎類、^香族雜環聚合物、對稱聚苯乙稀(syndiotatic[Prior Art J is made of the material of the drill used on the general printed circuit board. The early drill bit is made of tungsten carbide body with the wrong hardness. Because the carbonized crane material is expensive, the clothing is high and cannot be lowered. Less economically viable. At present, most of the drill bits use stainless steel as the combination between the part and the cutting edge: two = shank = way, the other is formed in the shank - the end is inserted in the groove to solid Connected. 〇p Manufacturer's drill = steel, the cost is gradually increasing' is not conducive to the drill bit manufacturing method is used as a scrap, the stainless steel shank is directly into the (four) product reuse, resulting in capital_waste. [New content] To solve the above problems, one of the purposes of this creation is to propose a kind of excellent combination with the shank of the shank, and the two kinds of drill structures have a section 3 resistance. The purpose of this is to provide a drill bit structure that uses high hardness and engineering plastics as the shank, replacing the cost of customizing the cost of tungsten carbide. The cost of the south amount is reduced, so it has the characteristics of reducing the material structure, the tender part and the drill handle, and it is in line with the environmental protection; In order to achieve the above object, the bit structure of the present invention is included. The drill portion includes a body portion and a fixing portion extending from the body portion, and the outer surface of the fixing portion forms a (four) groove groove; and - drilling The handle is composed of industrial and private plastics. The hardness of the engineering plastic is greater than 2, and the temperature of the engineering plastic is between the boots and the side. Between c, the end of the shank is covered with a drill edge. The fixing part of P, and the embossed groove pattern is covered with engineering plastic. [Embodiment] - Figure 1 is a schematic view showing the structure of a bit structure according to an embodiment of the present invention. In the present embodiment, the drill structure 10 includes a shank portion 12 and a drill portion 14 . The drill pP 14 includes a body portion 16 . In one embodiment, the outer edge of one end of the body portion 16 is formed to be cut or The boring blade portion 18 has a fixing portion 20 extending from the other end of the body portion 16 away from the blade portion W, and an embossed groove 22 is formed on the outer surface of the fixing portion 2; the shank portion 12 is composed of engineering plastics. One end of the shank portion 12 is covered with the fixing portion 20 of the cutting edge portion 14, and the embossed groove 22 on the surface of the fixing portion 20 is covered with engineering plastics, wherein the hardness of the engineering plastic is 20 HRC, and the temperature of the engineering plastic is Between 1 〇 (rCi 4〇〇〇c.) In the above description, the fixing portion 20 of the drill blade portion 14 has a round bar shape, and the embossed groove pattern 22 is formed by obliquely staggered grooves on the fixing portion 2〇. The outer surface is further formed with an annular groove 24 on the outer surface of the fixing portion 2, and the annular groove 24 is also filled with engineering plastic when the shank portion 12 covers the fixing portion 20. The above-mentioned drilling portion 14 is composed of The tungsten carbide bar is made of the embossing groove 22 and the annular groove 24 on the blade portion 18 of the main body portion 16 and the surface of the fixing portion 20 Grindstone integrally molding process. Engineering plastics and are preferably selected from polyamide, poly from said class, t puzzle, ^ fragrant aromatic heterocyclic polymers, polystyrene symmetry (syndiotatic
Polystrene ’ sPS)、聚對笨二曱酸丙二醋（p〇iytrimethylenePolystrene ’ sPS), polypyrene bismuth vinegar (p〇iytrimethylene)
Terephthalate，PTT)、聚對苯二甲酸14_環己烷二曱醇醋（PCT)、 熱固型塑勝如齡搭樹醋（Phenolic Resins)、石夕膠 (Silicone)、環氧樹酯（Ep0Xy)及三聚氰氨（Melamine)其中 之一’為具有高硬度及耐高溫之工程塑膝。 其中，聚Si胺類包含：聚醯胺66 (Polyamide 66，PA66)、聚 醯胺 46 (Polyamide 46、PA46)、聚醯胺 6T (Polyamide 6T，PA6T)、 聚醯胺9T (Polyamide 9T，PA9T )、聚醯胺醯亞胺 (Polyamide-imide、PAI)及聚醯亞胺（Aurum，TPI)。 聚酉旨類包含：聚碳酸醋（Polycarbonate，PC)、聚對苯二曱酸丁 酯（Polybutylene terephthalate，PBT)及液晶聚酯（Liquid crystalpoly polymers ， LCP)。 聚醚類包含聚曱酸·（Polyoxymethylene，POM)、聚苯硫醚 (Polyphenlene sulfide，PPS)、聚醚礙（Polyethersulfone，PES)、 聚轉酮（Polyetherketone ， PEK)及聚醚醚酮 (Polyetheretherketone ， PEEK)。 芳香族雜環聚合物包含：聚喊亞醯胺(Polyetherimide，PEI)及 聚苯並。米。生(Polybenzoimidazole，PBI)。 於一實施例中，工程塑膠所構成之鑽柄部12係以射出 成型方式與鑽刃部14之固定部20固結在一起，其中工程塑 膠佈滿固定部20外表面之壓花溝紋22及環形溝24，進而 增加固定部20與鑽柄部12的結合強度，其中壓花溝紋22 的設計可有效防止鑽刀部14與鑽柄部12之間產生相對的扭 轉運動，而環形溝24的設計更可防止鑽刃部14與鑽柄部 12之間的相對滑動，具有鑽頭結構10使用品質高之優點。 又射出成型方式更可批次進行多數量之鑽頭結構10製作， 藉以節省人力成本與時間成本。 另一方面，在本創作中以高硬度及耐高溫之工程塑膠作 為鑽柄部12將可取代以往使用昂貴之碳化鎢或不鏽鋼作為 鑽柄部所產生之高額成本，進而具有降低材料成本之優點。 再者，由於工程塑膠的耐熱溫度遠小於碳化鎢的燒結溫度 (約為1400°C)，一旦鑽頭結構10損壞報廢，可將其回收， 進行加熱使工程塑膠融化，而分離出鑽刃部14，同時融化 後之工程塑膠可進一步重複使用於鑽柄部12之製作，此種 重複再利用的特性具有節省成本及符合環保概念之優點。 综合上述，本創作之鑽頭結構以工程塑膠作為鑽柄部， 且配合鑽刃部之固定部外表面的壓花溝紋設計，具有結合緊 密度高之功效，相對於習知以價格昂貴之碳化鎢或不鏽鋼作 為鑽柄部而言，本創作具備有降低成本之優點。 以上所.述之實施例僅係為說明本創作之技術思想及特 點，其目的在使熟習此項技藝之人士能夠瞭解本創作之内容 並據以實施，當不能以之限定本創作之專利範圍，即大凡依 本創作所揭示之精神所作之均等變化或修飾，仍應涵蓋在本 創作之專利範圍内。 M440841 【圖式簡單說明】 圖1所示為本創作一實施例鑽頭結構之結構示意圖。 【主要元件符號說明】 10 鑽頭結構 12 鑽柄部 14 鑽刀部 16 本體部 18 刃部 20 固定部 22 壓花溝紋 24 環形溝Terephthalate (PTT), poly(terephthalic acid) 14_cyclohexanedime vinegar (PCT), thermosetting plastics such as Phenolic Resins, Silicone, epoxy resin ( One of Ep0Xy) and Melamine is an engineering knee with high hardness and high temperature resistance. Among them, polySi amines include: Polyamide 66 (PA66), Polyamide 46 (Polyamide 46, PA46), Polyamide 6T (Polyamide 6T, PA6T), Polyamide 9T (Polyamide 9T, PA9T) ), Polyamide-imide (PAI) and Polyurethane (TPI). Polycarbonate (Polycarbonate, PC), polybutylene terephthalate (PBT) and liquid crystal polyester (LCP). Polyethers include Polyoxymethylene (POM), Polyphenlene sulfide (PPS), Polyethersulfone (PES), Polyetherketone (PEK) and Polyetheretherketone (Polyetheretherketone, PEEK). The aromatic heterocyclic polymer comprises: polyetherimide (PEI) and polybenzo. Meter. Polybenzoimidazole (PBI). In one embodiment, the shank portion 12 formed of the engineering plastic is fixed to the fixing portion 20 of the drill portion 14 in an injection molding manner, wherein the engineering plastic is covered with the embossed groove 22 on the outer surface of the fixing portion 20. And the annular groove 24, thereby increasing the bonding strength between the fixing portion 20 and the shank portion 12, wherein the embossed groove 22 is designed to effectively prevent relative torsional movement between the drill portion 14 and the shank portion 12, and the annular groove The design of 24 further prevents relative sliding between the cutting edge portion 14 and the shank portion 12, and has the advantage that the drill bit structure 10 is of high quality. The injection molding method can also batch-produce a large number of drill bit structures 10, thereby saving labor costs and time costs. On the other hand, in the present work, the high-hardness and high-temperature resistant engineering plastic as the shank portion 12 can replace the high cost incurred by the conventional use of expensive tungsten carbide or stainless steel as the shank portion, thereby having the advantage of reducing the material cost. . Furthermore, since the heat resistance temperature of the engineering plastic is much smaller than the sintering temperature of the tungsten carbide (about 1400 ° C), once the drill structure 10 is damaged, it can be recovered, heated to melt the engineering plastic, and the drill portion 14 is separated. At the same time, the melted engineering plastic can be further reused in the production of the shank portion 12, and the repeated reuse characteristics have the advantages of cost saving and environmental protection. In summary, the bit structure of the present invention uses engineering plastic as the shank portion, and the embossed groove design on the outer surface of the fixed portion of the drill blade portion has the effect of high tightness combined with the costly carbonization. Tungsten or stainless steel as a shank, this creation has the advantage of reducing costs. The embodiments described above are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement them according to the scope of the patent. The equivalent changes or modifications made by the people in accordance with the spirit revealed by this creation should still be covered by the scope of this creation patent. M440841 [Simple Description of the Drawings] Fig. 1 is a schematic view showing the structure of a drill bit structure according to an embodiment of the present invention. [Main component symbol description] 10 Drill structure 12 Drill shank 14 Drill part 16 Main body 18 Blade 20 Fixing part 22 Embossed groove 24 Ring groove