TWM265143U - Improved structure for disposal type milling cutter - Google Patents

Description

M265143 、創作說明（1) 【新型所屬之技術領域】 本創作係有關於一種捨棄 刀片在切削受力時可預防受力 加工尺寸精確，以及刀片尖端 角接績有短直邊之平直切面， 平面度。 【先前技術】 近年來由於銑削刀片材料 昇，銑削加工形態改變為進刀 工型恶’請參閱第一圖所示， 銑刀1 〇，其刀片η之側邊n i 具在高進給速率加工時，如第 將會有侧向負荷Fx，此一側向 矩，並使刀片11產生微量的角 移量e僅有〇.〇2min，將會造成 誤差，尤其是侧面銑削時，如 的過切’以及底部角落無法九 此外，由於銑削加工形態 ，銑刀每轉所移動的間距很大 度過大，如第四圖所示，銑刀 大將會使工件表面所留下的粗 由二次加工（精加工）來改善 刀速率’以改善表面粗链度， 比較慢’成本就相對地會提高 式鉄》刀結構改良，尤指一種 變形而產生過切之現象，使 圓角較大不易脆裂，而且圓 使得加工之平面具有較佳的 的進步，使得加工的速度提 量淺而進給速率快的快速加 係為日本日立公司所生產之 為一垂直的刀面設計，當刀 二圖所示，刀片11之圓角處 負荷Fx將會對刀片u產生力 度偏移，即使此一微量的偏 加工尺寸的過切誤差及形狀 第三圖所示，造成侧面尺寸 十度銑削等缺點。 大都為淺進刀量快速進給率 ’將會導致加工的表面粗糙 每轉所移動的間矩P如果太 糖度值變得很大，必須再經 ’否則就必須降低銑刀的進 其相對的加工速度就會變得 ’這會使得業者的競爭能力M265143 、 Instruction of creation (1) [Technical field to which the new type belongs] This creation relates to a straight cut surface where a discarded insert can be prevented from being subjected to precise machining when the cutting force is exerted, and the tip angle of the blade has a short straight edge. Flatness. [Previous technology] In recent years, due to the increase in the material of milling inserts, the milling processing mode has changed to the feed type. Please refer to the first figure. Milling cutter 10, the side of the insert η has been processed at a high feed rate. For example, there will be a side load Fx, this side moment, and the amount of angular displacement e generated by the blade 11 is only 0.02 minutes, which will cause errors, especially during side milling, such as overcutting. 'And the bottom corner cannot be nine. In addition, due to the milling process, the distance moved by the milling cutter per revolution is too large. As shown in the fourth figure, the large milling cutter will make the rough surface left by the secondary machining. (Finishing) to improve the cutting speed 'to improve the coarse chain degree of the surface, which is relatively slow, and the cost will be relatively high. The structure of the cutting tool will be improved, especially a kind of deformation that will cause overcutting, making the fillets difficult to be brittle. Cracking, and the circle makes the processing plane have better progress, making the processing speed increase shallow and fast feed rate rapid addition is a vertical blade design produced by Hitachi, Japan, when the knife two pictures Shown, knife The load Fx at the corners of the blade 11 will shift the force of the blade u, even if the amount of overcutting error and shape of the machining dimension is small, as shown in the third figure, which causes the side dimensions of ten degrees of milling and other shortcomings. Most of them are shallow feeds and rapid feed rates will cause the roughened surface. The moment P of movement per revolution will be too large. If the sugar value becomes too large, it must be re-traveled. Otherwise, the feed of the milling cutter must be reduced. Processing speed will become 'this will make the industry's competitiveness

第5頁 M265143Page 5 M265143

四、創作說明（2) 降低；此外，刀片 生脆裂，降低刀只]η隅的圓角太小（0 · 4R )切削時容易發 Γ ^ ^ ^ ^ . 月1 1的使用壽命。 習知銑刀片， 刀片在切削承受負 現象’使得加工尺 九十度垂直；以及 的進刀，造成銑削 加工品質大打折扣 其刀片侧邊形狀為垂 荷時所產生的微量變 寸有所誤差，以及角 刀片尖端的圓角過大 平面粗糙度值很大等 直之設計，以致於 形將會導致過切之 隅的銑削無法達到 ，搭配高進給速率 缺點，使得鑽、銑 夕77亦…提供一種捨棄式銳刀片結構改良，其銑刀末端 邊及上传^固捨棄式刀片，該捨棄式刀片兩側設有斜切 上、下没有兩個平切邊所圍成之平行四邊形刀片；該 斜切邊盘中立^ 。 從立袖呈一小角度微偏之邊斜角，該角度約為 5 ’使得捨棄式刀片的斜切面朝内側微偏； 而捨棄式刀片的圓弧角與斜切邊以及平直切邊之間設有一 適當短小長度之平直切面。 本創作捨棄式刀片兩側設有斜切邊，該直切邊與中立 轴呈一小角度微偏之邊斜角，可以改善習知銑刀具在切削 文力時刀片變形偏移造成的過切現象，而且平直切邊的設 計可以改進切削表面的粗糙度值，同時圓弧角的半徑值可 以增大，提昇刀片的剛性及實用性。 【實施方式】 請參閱第五、六圖所示，本創作提一種銑刀結構改良 ’其銑刀20末端之刀座上得鎖固捨棄式刀片3〇，該捨棄式Fourth, the creation description (2) reduction; in addition, the blade is brittle, reducing the blade] η 隅 fillet is too small (0 · 4R) when cutting is easy to occur Γ ^ ^ ^ ^. Month 1 1 life. It is known that milling inserts, which are subject to negative phenomena during cutting, make the processing rule 90 degrees vertical; and the feed of the cutter causes the quality of the milling process to be greatly reduced, and the slight variation of the blade when the side shape of the insert is vertical, and The rounded corner of the tip of the corner insert is too large. The plane roughness value is very high and the design is straight, so that the shape will cause the overcutting of the milling to be unachievable. With the disadvantage of high feed rate, the drilling and milling are also provided ... The structure of the sharp blade is improved. The end edge of the milling cutter and the upper-loading discard blade are arranged on both sides of the discard blade. The two sides of the discard blade are provided with a parallelogram blade surrounded by oblique cutting without two flat cutting edges. The oblique cutting edge Neutral ^. From the stand sleeve there is a small angle slightly deviating side bevel angle, the angle is about 5 'so that the beveled surface of the discarded blade slightly deviates toward the inside; and the arc angle of the discarded blade and the oblique cutting edge and the straight cutting edge There is a straight cut with an appropriate short length in between. This creative discard blade has beveled edges on both sides. The straight edge and the neutral axis have a small angle with a slight deviation. It can improve the overcut phenomenon caused by the deformation and displacement of the blade when the cutting tool is cutting the conventional force. Moreover, the design of the straight cutting edge can improve the roughness value of the cutting surface, and at the same time, the radius value of the arc angle can be increased, which improves the rigidity and practicality of the insert. [Embodiment] Please refer to the fifth and sixth figures, this invention proposes a structure improvement of the milling cutter ′ The cutter seat at the end of the milling cutter 20 has to lock the disposable blade 30, the disposable type

M265143 、創作說明（3) 刀片3 0兩侧設 、34所圍成之 圓弧角3 5 ; 前述之斜 角，該角度約 内側微偏，可 請參閱第 邊31、32以及 直切面3 6，該 面3 6的設計可 §切削受力不 請參閱第 進行水平或是 微小量的變形 内且微小角度 量不可能超過 削的垂直面可 §切削平面的 睛參閱第 直切面3 6所以 圈所前進的間 不一樣，藉由 移動時所無法 且粗糙度值相M265143 、 Instructions for creation (3) The arc angle 3 5 formed by 34 on both sides of the blade 30 and 34; the aforementioned bevel angle, which is slightly deviated from the inside, please refer to the sides 31, 32 and the straight cut surface 3 6 The design of the surface 3 6 can be § Cutting force, please refer to the horizontal plane or a small amount of deformation, and the small angle can not exceed the vertical plane of cutting. § For the eyes of the cutting plane, see the straight cutting plane 3 6 The advancement is different, and the roughness value cannot be matched by moving.

有斜切邊31、32及上、下設有兩個平切邊33 平行四邊形刀片’捨棄式刀片30之角隅設為 切邊31、32與中立軸呈一小角度微偏之邊斜 為5。，使得捨棄式刀片2〇的斜切邊31、32朝 以防止過切之現象。 五圖所示’捨棄式刀片3〇的圓弧角35與斜切 平切邊3 3、3 4之間設有一適當短小長度之平 平直切面36的長度約為0.5 min，藉由平直切 以改善切削面的表面粗链度值。 會有過切現象 七圖所示，銑刀3 0在高進給速率切削條件下 垂直切削時，刀片承受切削負荷，難免會有 ，但捨棄式刀片30的斜切邊31、32已設有朝 偏斜的邊斜角，使得斜切邊3 1、3 2的微變形 中立軸線，所以不會有過切的現象，使得切 以確保九十度。 表面粗經度值小 八圖所示，因為本創作的圓弧角3 5連接有平 在相同高進給率的切削條件下，刀具每轉一 矩P皆相同，但所切削的平面粗链度值完全 平直切面3 6之設計可以彌補圓孤角3 5在進給 切削到的平面，使得切削的平面更為平滑， 對降低很多。There are oblique cutting edges 31, 32 and two flat cutting edges 33 on the top and bottom. 33 The angle of the parallelogram blade 'abandoned blade 30' is set as the cutting edges 31, 32 and the neutral axis are slightly inclined. 5. , So that the oblique cutting edges 31, 32 of the discarded blade 20 are oriented to prevent overcutting. As shown in the figure, a flat straight cutting surface 36 with a suitable short length is provided between the arc angle 35 of the disposable blade 3 and the oblique cutting flat cutting edges 3 3, 3 4 and the length is about 0.5 min. To improve the surface rough chain value of the cutting surface. There will be an overcutting phenomenon. As shown in the seventh figure, when the milling cutter 30 is cutting vertically under high feed rate cutting conditions, the insert bears the cutting load. It is inevitable, but the oblique cutting edges 31 and 32 of the discarded insert 30 have been provided. The oblique angle towards the inclined side makes the neutral axis of the micro-deformation of the beveled edges 3 1 and 3 2 so that there is no overcutting, so that the cutting is ensured at ninety degrees. The value of the surface longitude is shown in the figure below. Because the arc angle 3 5 of this creation is connected to the flat cutting conditions under the same high feed rate, the moment P of the tool is the same, but the rough chain cutting degree The design of the value of completely flat cutting plane 3 6 can make up for the plane cut by the round solitary angle 3 5 at the feed, making the cutting plane smoother and lowering a lot.

第7頁 M265143 四、創作說明（4) §圓弧角的半徑值可以增大，剛性較佳 由於在圓弧角3 5鄰邊設有平直切面3 6的設計，使得切 削平面的粗縫度值改善很多，因此圓弧角3 5的半徑r值就 可以增加（半徑R值約為丨mm )，並不會影響表面粗糙度值 ’因此圓弧角3 5的剛性就可以提昇，可以避免應力集中造 成的脆裂’相對提昇銑刀具的使用壽命。Page 7 M265143 IV. Creative Instructions (4) § The radius of the arc angle can be increased, and the rigidity is better. Due to the design of a straight cutting plane 3 6 adjacent to the arc angle 35, the rough seam of the cutting plane is made. The degree value has improved a lot, so the radius r value of the arc angle 3 5 can be increased (the radius R value is about 丨 mm), and it will not affect the surface roughness value. Therefore, the rigidity of the arc angle 3 5 can be improved, can Avoiding brittle cracks caused by stress concentration relatively increases the service life of the milling tool.

請參閱第九圖所示，係本創作實施於插銑刀之實施例 ，該插銑刀40的捨棄式插銑刀片5 〇中心軸線兩侧皆具有刀 刃，而且朝内侧微偏的斜切邊5 1，非常適合於平面及陡峭 面的銑削（如第十圖所示），而且在圓弧角兩侧亦設有平 直切面5 2 (如放大圖所示），該平直切面5 2可以改善切削 面的表面粗糙度值。 綜上所述’本創作確實可以改善習知銑刀具在切削受 力時刀片變形偏移造成的過切現象，而且平直切面的設計 可以改進切削表面的粗糙度值，同時圓弧角的半徑值可以 增大，提昇刀片的剛性等多項實用性及進步性之設計，實 為一不可多得之創新改良產品，完全符合新型專利申請要 件，爰依法提出申請。Please refer to the ninth figure, which is an embodiment of this invention implemented in a plunge cutter. The plunge insert 50 of the plunge cutter 40 has blades on both sides of the central axis and is slightly inclined toward the inside. Edge 5 1 is very suitable for the milling of flat and steep surfaces (as shown in the tenth figure), and there are also straight cutting planes 5 2 (as shown in the enlarged image) on both sides of the arc angle. The straight cutting plane 5 2 can improve the surface roughness value of the cutting surface. To sum up, 'this creation can indeed improve the overcut phenomenon caused by the deformation and displacement of the insert when the cutting tool is subjected to cutting force, and the design of the flat cutting surface can improve the roughness value of the cutting surface and the radius of the arc angle. A number of practical and progressive designs that can increase and increase the rigidity of the blade are really a rare innovative and improved product, which fully meets the requirements for new patent applications, and applies according to law.

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圖式簡單說明 【圖示簡單說明】 一立回 第一圖係習知日本日立公司之銑刀平面=思 第二圖係習知銑刀加工承受應力狀癌不思圖 第三圖係習知銑刀銑削加工$意圖 一 第四圖係習知切削平面之表面粗链度示意圖 第五圖係本創作之銑刀之平面圖 久Brief description of the diagram [Simplified illustration of the diagram] One back to the first picture is the milling cutter plane of the Japanese company Hitachi. = The second picture is the conventional milling cutter processing under stress-like cancer. The third picture is the conventional milling cutter milling process. The fourth figure is a schematic diagram of the rough chain degree of the cutting surface on the conventional surface. The fifth figure is a plan view of the milling cutter created by the author.

第六圖係本創作捨棄式刀片之平面不$圖 第七圖係本創作切削及承受負荷之示意圖 第八圖係本創作切削平面之表面粗糙度示意圖 第九圖係本創作插銑刀捨棄式刀片之實施例示意圖 第十圖係本創作插銳刀拾棄式刀片之加工實施例示意圖 【主要元件符號說明】 11刀片 P間距 20銑刀 31、3 2斜切邊 35圓弧角 40插銑刀 51斜切邊The sixth figure is the plane of the creative discarding blade. The seventh figure is the schematic diagram of the cutting and bearing load of the creative. The eighth figure is the surface roughness diagram of the creative cutting plane. The ninth figure is the discarding type of the inserting milling cutter. The schematic diagram of the embodiment of the blade. The tenth figure is a schematic diagram of the processing example of the inserting and cutting blade of the creative insert. [Description of the main component symbols] 11 blade P pitch 20 milling cutter 31, 3 2 oblique cutting edge 35 arc angle 40 insert milling Knife 51 beveled edge

10銑刀 111側邊 1 2銑刀 30捨棄式刀片 3 3、3 4平切邊 3 6平直切面 5 0捨棄式插銑刀片 5 2平直切面10 Milling cutter 111 Side 1 2 Milling cutter 30 Disposable insert 3 3, 3 4 Flat cutting edge 3 6 Straight cut surface 5 0 Disposable plunge insert 5 2 Straight cut surface

Claims (1)

M265143M265143 五、申請專利範圍 1 · 一種銑刀結構改良，其銑 刀片，該捨棄式刀片兩側設 切邊所圍成之平行四邊形刀 弧角’其主要特徵在於： =末端之刀座上得鎖固捨棄式 斜切邊及上、下設有兩個平 片’捨棄式刀片之角隅設為圓 該捨2式刀片之斜切邊與t立轴呈_小角度微偏之邊 斜角’使得捨棄式刀片的斜切邊朝内側微偏者。 2·如申清專利範圍第1項所述之銑刀結構改良，其申捨棄 式刀片的圓弧角與斜切邊以及平切邊之間設有一適當短小 長度之平直切面為其特徵者。 3·如申請專利範圍第1或2項所述之銑刀結構改良，其中捨 棄式刀片得設為插銑刀片，其於中心轴線兩側皆具有刀刀 為其特徵者。V. Scope of patent application1. An improved milling cutter structure, its milling inserts, and a parallelogram cutter arc angle surrounded by cutting edges on both sides of the discarded insert are mainly characterized by: = The end of the cutter holder is locked The solid discarded oblique cutting edge and two flat pieces above and below are provided. The angle of the discarded blade is set to be round. The beveled edge of the discarded blade is slightly biased toward the inside. 2. According to the improvement of the milling cutter structure described in item 1 of the scope of patent application, a straight cut plane with a suitable short length is featured between the arc angle of the discarded blade and the chamfered edge and the flat cut edge. . 3. The structure improvement of the milling cutter according to item 1 or 2 of the scope of the patent application, in which the discarded inserts can be set as insert milling inserts, which are characterized by having cutters on both sides of the central axis.