M358685 五、新型說明： 【新型所屬之技術領域】 本創作係關於一種鋸片型銑刀’尤指一種於一刀盤上 設有若干可拆農之刀片，以便於刀片損壞時可個別更換的 鋸片型銑刀。 【先前技術】 鋸片型銑刀係一種大致呈一盤型，並於周緣間隔環設 有複數刀片的刀具。此種鋸片型銑刀在使用時係設置於一 _ 工具機上，藉工具機之驅動而高速旋轉，進而用以切削銅 板、鋁板等金屬材料，或是用以切割木頭，亦可用以切削 如電路板之類的塑膠板材。在精密的設計及距離調整之 下，該鑛片型銳刀還可在薄型板材上加工出淺槽，以便於 該板材加工完成後，可沿該淺槽折斷而拆解為多個子片。 參見第五圖所示之一現有技術之鋸片型銑刀（3〇)，其 包含有一刀盤（31)及複數個刀片（32):刀盤（31)一般以高速 鋼材質製作而成，其周緣上間隔徑向突伸有複數個齒部 • (311);刀片（32)呈一塊體，一般以堅硬的人工鑽石或鎢鋼 材質製作而成’且係以焊接方式分別固接於刀盤（31)之各 齒部（311)上’其中每一刀片（32)之端部的斷面呈倒v型而 形成一尖銳的刀部（321)。 上述將刀盤（31)與刀片（32)個別製作後再相互固接的 設計’主要的目的是希望在關鍵的切削處使用昂貴但堅硬 的人工鑽石或鎢鋼即可，以避免整個鋸片型銑刀之造價過 高。 M358685 然而，儘管人工鑽石及鎢鋼之硬度較一般材質高出許 多，但在使用一段時間過後，刀片（32)的刀部（321)仍會產 生碎裂’但因刀片（32)係以焊接方式固接於刀盤（31)上， 因此即使只有其中一個刀片（32)之刃部（321)損壞，而其他 刀片（32)之刀部（321)仍完好無缺，但為了避免該損壞的刀 片（32)破壞待加工之板材，還是必須更換整個鋸片型銑刀， 如此將造成材料的浪費，尤其人工鑽石的價格昂貴，更會 .造成金錢上的損失，故現有技術之鋸片型銑刀仍有其待進 一步改進之處。 【新型内容】 有鑑於前述現有技術的不足，本創作提供一種鑛片型 銑刀，希藉此設計解決現有技術之鋸片型銑刀之刀片以焊 接方式固接於刀盤上，因而無法僅針對其一損壞之刀片進 行更換的缺點。 為了達到上述的創作目的，本創作所利用的技術手段 係使一鋸片型銑刀具有： • 刀盤，其周緣間隔徑向突伸有複數個齒部，兩相鄰 齒部之間徑向突伸有一定位凸部； 複數個刀片，其分別呈一長型塊體，每一刀片的一端 為切削部，另一端為一結合部，該切削部之斷面呈倒v 型而形成一尖銳的刀刃，該結合部卡固於刀盤之齒部與定 位凸部之間。 、 本創作的優點在於，該刀片係以卡固方式設於刀盤 上，因此當其中一刀片的刀刃斷裂損壞時，只要將該損壞 的刀片由刀盤上卸下即可進行更換，無須只因其中—刀片 M358685 損壞就將整個鋸片型銑刀丢棄，可有效達到節省材 的目的。 不 【實施方式】 參見第一圖所示，本創作之鋸片型銑刀包括有一刀盤 (10) 以及複數個刀片（20)，其中： 配合參見第二圖所示，刀盤（10)為一呈圓型之扁平板 體，其周緣上間隔徑向突伸有複數個齒部（1彳），兩相鄰齒 部（11)之間徑向突伸有一定位凸部（12)，令該齒部（11)與定 位凸部（12)相鄰且相對應的其中一側面分別為—定^面 (111)(121)，進一步參見第三及四圖所示，該定位面 (111 )(121)分別呈一凸面，其中，該齒部（11)之定位面 與齒部（11)之自由端的刀盤（10)周緣面間之夾角（Θ )為—銳 角，而使該齒部（11)之定位面（111)呈一斜面，且於該齒部 (11) 之定位面（111)上進一步内凹形成有一嵌槽（112); 刀片（20)呈一長型塊體’其係卡固於刀盤（1〇)之齒部 (II) 與定位凸部（12)之間，該刀片（20)的一端為一切削部 (21)，另一端為一結合部（22)，該切削部（21 >之斷面呈倒v 型而开> 成一尖銳的刀刀，該結合部（2 2)之其中兩相對侧面 分別為一卡固面（221)，該卡固面（221)分別呈一凹面，且 分別對應於相對應之齒部（11)與定位凸部（1 2)之定位面 (III) (121)，其中，該結合部（22)相對於刀盤（1〇)之定位凸 部（12)的卡固面（221)上進一步突伸有一限位塊（23)。 配合參見第三圖所示，當該刀片（2〇)之結合部（22)穿 設於刀盤（彳0)之齒部（11)與定位凸部（12)之間時，主要係藉 三者間凹凸配合之卡固面（221)與定位面（111 )(121)將刀片 M358685 (20)迫緊定位於該齒部（Ή)與定位凸部（12)之間；此外，更 藉刀片（20)之結合部（22)穿設於刀盤（10)之齿部（11)的敌样 (112)中並抵頂於該钱槽（112)之壁面上，以及刀片（2〇)之 限位塊（23)卡抵於刀盤（1〇)之定位凸部（12)的端部，使該刀 片（20)可定位於刀盤（1〇)上之特定位置處；又，配合刀盤（1〇) 之窗部（11)上壬斜面的該定位面（111)，當該刀片（2〇)設置 ' 於刀盤（10)上時係呈斜向設置，亦即其長軸延伸方向不會 • 通過刀盤（10)之轴心，藉此設計，可在該刀盤（10)受一工 • 具機驅動而高速轉動時，仍可使該刀片（2〇)穩固結合在刀 盤（10)上。 如上所述之設計，在其中一刀片（20)損壞時，只要推 頂該刀片（20)，將其由刀盤（10)上卸下，接著便可再將一替 換的新刀片（20)卡固於刀盤（10)上使用，以保持該鋸片型銑 刀的切削效果，無須只因其中一刀片（2〇)損壞就將整個据 片銑刀丟棄，可有效達到節省材料成本的目的。 以上所述僅是本創作的較佳實施例而已，並非對本創 #作作任何形式上的限制，雖然本創作已以較佳實施例揭露 如亡，然而並非用以限定本創作，任何熟悉本專業的技術 -人員，在不脫離本創作技術方案的範圍内，當可利用上述 -揭示的技術内容作出些許更動或修飾為等同變化的等效實 施例，但凡是未脫離本創作技術方案的内容，依據本創作 的技術實質對以上實施例所作的任何簡單修改、等同變化 與修飾，均仍屬於本創作技術方案的範圍内。 【圖式簡單說明】 第一圖為本創作之立體外觀圖。 6 M358685 第二圖為本創作之立體分解圖。 第三圖為本創作之側視圖。 第四圖為本創作放大之部份元件剖面圖。 第五圖為現有技術之立體外觀圖。 (1 1)齒部 (112)嵌槽 (12)定位凸部 (20)刀片 (22) 結合部 (23) 限位塊 (31) 刀盤 (32) 刀片M358685 V. New description: [New technical field] This is a kind of saw blade type milling cutter, especially a saw with several detachable agricultural blades on a cutter head, which can be replaced individually when the blade is damaged. Chip milling cutter. [Prior Art] A saw blade type milling cutter is a cutter having a substantially disk type and having a plurality of blades arranged at intervals around the circumference. The saw blade type milling cutter is disposed on a machine tool during use, and is driven by a machine tool to rotate at a high speed, thereby cutting metal materials such as copper plates and aluminum plates, or cutting wood or cutting. Plastic sheets such as circuit boards. Under the precision design and distance adjustment, the ore-type sharp knife can also process shallow grooves on the thin plate, so that after the plate is processed, it can be broken into several sub-pieces along the shallow groove. Referring to the prior art saw blade type milling cutter (3〇), which comprises a cutter head (31) and a plurality of blades (32): the cutter head (31) is generally made of high speed steel. a plurality of teeth are radially protruded from the periphery thereof (311); the blade (32) is a piece of body, generally made of hard artificial diamond or tungsten steel, and is fixed by welding respectively. On each of the teeth (311) of the cutter head (31), the end portion of each of the blades (32) has an inverted v-shape to form a sharp blade portion (321). The above-mentioned design of the cutter disc (31) and the insert (32) are separately manufactured and then fixed to each other. The main purpose is to use expensive but hard artificial diamond or tungsten steel at the critical cutting point to avoid the entire saw blade. The cost of the type milling cutter is too high. M358685 However, although the hardness of artificial diamonds and tungsten steel is much higher than that of ordinary materials, after a period of use, the blade (321) of the blade (32) still cracks, but the blade (32) is welded. The method is fixed to the cutter head (31), so that even if only the blade portion (321) of one of the blades (32) is damaged, and the blade portion (321) of the other blade (32) is still intact, in order to avoid the damage The blade (32) destroys the sheet to be processed, or the entire saw blade type cutter must be replaced, which will result in waste of materials, especially the cost of artificial diamonds, and more, causing a financial loss, so the prior art saw blade type The milling cutter still has some further improvements. [New content] In view of the above-mentioned deficiencies of the prior art, the present invention provides a slab type milling cutter, which is designed to solve the problem that the blade of the prior art saw blade type milling cutter is fixed to the cutter head by welding, and thus cannot be only The disadvantage of replacing a damaged blade. In order to achieve the above-mentioned creative purpose, the technical means utilized in the present invention is to enable a saw blade type milling cutter to have: • a cutter head having a plurality of teeth extending radially around the circumference thereof and a radial direction between two adjacent teeth a plurality of inserts each having a long block, each end of which is a cutting portion, and the other end is a joint portion, and the cross section of the cutting portion is inverted v-shaped to form a sharp portion The cutting edge is fastened between the tooth portion of the cutter head and the positioning convex portion. The advantage of this creation is that the blade is fixed on the cutter head, so that when the blade edge of one of the blades is broken, the damaged blade can be replaced by being removed from the cutter head, and it is not necessary to Because the blade M358685 is damaged, the entire saw blade milling cutter is discarded, which can effectively save the material. [Embodiment] As shown in the first figure, the saw blade type milling cutter of the present invention comprises a cutter head (10) and a plurality of blades (20), wherein: the matching is shown in the second figure, the cutter head (10) a circular flat plate body having a plurality of teeth (1彳) radially extending from the periphery thereof, and a positioning protrusion (12) is radially protruded between the two adjacent tooth portions (11). The tooth portion (11) is adjacent to the positioning convex portion (12) and one of the corresponding side surfaces is respectively a fixed surface (111) (121). Further referring to the third and fourth figures, the positioning surface ( 111) (121) respectively showing a convex surface, wherein an angle (Θ) between the positioning surface of the tooth portion (11) and the peripheral surface of the cutter disc (10) at the free end of the tooth portion (11) is an acute angle, and The positioning surface (111) of the tooth portion (11) has a sloped surface, and a groove (112) is further recessed on the positioning surface (111) of the tooth portion (11); the blade (20) is formed as a long block. The body is fastened between the tooth portion (II) of the cutter head (1) and the positioning convex portion (12). One end of the blade (20) is a cutting portion (21), and the other end is a joint portion. (22), the cutting portion ( 21 > section is inverted v-shaped and opened into a sharp knife, the two opposite sides of the joint (2 2) are respectively a fastening surface (221), the fastening surface (221) respectively a concave surface corresponding to the positioning surface (III) (121) of the corresponding tooth portion (11) and the positioning convex portion (12), wherein the joint portion (22) is opposite to the cutter head (1) A limiting block (23) is further protruded from the fixing surface (221) of the positioning convex portion (12). As shown in the third figure, when the joint portion (22) of the blade (2) is passed through When the tooth portion (11) of the cutter head (彳0) and the positioning convex portion (12) are interposed, the blade M358685 is mainly used by the engaging surface (221) and the positioning surface (111) (121) of the concave-convex fit between the three. (20) being tightly positioned between the tooth portion (Ή) and the positioning convex portion (12); furthermore, the joint portion (22) of the blade (20) is inserted through the tooth portion of the cutter head (10) (11) ) in the enemy sample (112) and against the wall surface of the money slot (112), and the limit block (23) of the blade (2) is stuck against the positioning protrusion of the cutter head (1〇) (12) The end of the blade (20) that can be positioned on the cutter head (1〇) Positioning; in addition, the positioning surface (111) of the inclined surface of the window portion (11) of the cutter head (1〇) is inclined when the blade (2〇) is disposed on the cutter head (10) The setting, that is, the direction in which the long axis extends does not pass through the axis of the cutter head (10), whereby the design can be used when the cutter head (10) is driven by a machine and driven at a high speed. The blade (2〇) is firmly bonded to the cutter head (10). As described above, when one of the blades (20) is damaged, the blade (20) is pushed up and unloaded from the cutter head (10). Then, a new replacement blade (20) can be clamped on the cutter head (10) to maintain the cutting effect of the saw blade cutter without any damage to one of the blades (2〇). Discarding the entire die cutter can effectively save material costs. The above description is only a preferred embodiment of the present invention, and does not impose any limitation on the present invention. Although the present invention has been disclosed in the preferred embodiment, it is not intended to limit the creation, any familiarity. The technical and personnel of the present invention can make some modifications or modifications to the equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical essence of the present invention are still within the scope of the present technical solution. [Simple description of the diagram] The first picture is a three-dimensional appearance of the creation. 6 M358685 The second picture is an exploded view of the creation. The third picture is a side view of the creation. The fourth figure is a cross-sectional view of some of the components of the creation. The fifth figure is a perspective view of the prior art. (1 1) Tooth (112) Insert (12) Positioning projection (20) Insert (22) Joint (23) Limit block (31) Cutter (32) Insert
【主要元件符號說明】 (1 〇)刀盤 (1 1 1)定位面 (Θ)夾角 (121)定位面 (21)切削部 (221)卡固面 (30)鋸片銑刀 (311)齒部 (321)刃部[Main component symbol description] (1 〇) cutter head (1 1 1) positioning surface (Θ) angle (121) positioning surface (21) cutting part (221) clamping surface (30) saw blade milling cutter (311) tooth Part (321) blade