201136724 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及刀具技術領域，尤其涉及一種切削刀具及具 有該切削刀具的剪切機。 【先前技術】 [0002] 注射成型係將熔融的成型材料以高壓的方式填充到封閉 的模具内以製作預期形狀產品的工藝，其以低成本、高 效率、高精度等優點而被廣泛應用於陶瓷、聚合體等材 料的產品製作。 〇 [0003] 光學元件經過注射成型後，還需要經過剪切以去除流道 料頭，從而得到所需要的光學元件。剪切機的切削刀具 直接影響光學元件與流道料頭分離的準確性。當刀片組 裝到刀座時有輕微的偏離，則容易在剪切過程中產生誤 差，從而降低剪切的良率。 【發明内容】 [0004] 有鑑於此，有必要提供一種可以提高剪切精確度的切削 Q 刀具及剪切機。 [0005] —種切削刀具包括刀座和刀片，該刀座包括第一夾持部 ，該刀片包括相互連接的刀刃和第二夾持部，該第一夾 持部與該第二夾持部通過夾緊方式固定，該刀座進一步 包括第--^合部，該刀片進一步包括第二卡合部，該第 一卡合部和該第二卡合部相卡合以實現該刀座和該刀片 的定位。 [0006] —種剪切機包括切削刀具，切削刀具包括刀座和刀片， 099112810 表單編號A0101 第3頁/共16頁 0992022669-0 201136724 該刀座包括第一夾持部，該刀片包括相互連接的刀刃和 第二夾持部，該第一夾持部與該第二夾持部通過夾緊方 式固定，該刀座進一步包括第一卡合部，該刀片進一步 包括第二卡合部，該第—合部和該第二卡合部相卡合 以實現該刀座和該刀片的定位。 [0007] 相對於先前技術，在本發明的切削刀具中，刀座和刀片 之間設置有雙重定位結構：第一夾持部與第二夾持部通 過夾緊方式固定；第一卡合部和第二卡合部相卡合以實 現刀座和刀片的進一步定位。因此，在將刀片組裝到刀 座上時能夠實現精確定位，從而提高剪切精度，進而提 高生產良率。上述剪切機採用了上述切削刀具，因而能 夠提高剪切精度。 【實施方式】 [0008] 下面將結合附圖及實施例對本技術方案作進一步詳細說 明。 [0009] 請一起參閱圖卜3，本發明第一實施例的沏削刀具100包 括刀座10、刀片20和螺釘30。 [0010] 刀座10大致呈T形，包括基座12和從基座12垂直延伸出來 的第一夾持部14。第一夾持部14呈板狀，該第一夾持部 14的延展面垂直或基本垂直於該基座12的一個表面122。 第一夾持部14遠離基座12的一端面設有第一卡合部144， 在本實施例中，第一卡合部144為一個長條狀凹槽。第一 夾持部14的中央位置開設有一螺紋孔142，用於與螺釘30 配合以將刀片20固定於刀座10上，該螺紋孔142的延伸方 向垂直或基本垂直於該第一夹持部14的延展面。 099112810 表單編號 A0101 第 4 頁/共 16 頁 0992022669-0 201136724 [0011] 刀片20包括刀刃22和從刀刃22頂面222向遠離刀刃22方 〇 [0012] 向延伸形成的第二夾持部24，及設置在刀刃22頂面的第 二卡合部26。該第二卡合部26用於與第一卡合部144配合 。第二夾持部24包括兩個平行且相互隔開的板體244，該 兩個板體244的延展方向垂直或基本垂直於該刀刃22頂面 。第二卡合部26位於兩個板體之間。第二夾持部24的兩 個板體244的中間均開設有一螺紋孔242，用於與螺釘30 配合以將刀片20固定於刀座10上。在本實施例中，第二 卡合部26為長條狀突起。 在組裝時，將刀座10的第一夾持部14插入到第二夾持部 24的兩個板體之間，使第一卡合部144與第二卡合部26卡 合。此時，第一夾持部14的外側面與第二夾持部24的兩 個内側面貼合。 [0013] 〇 刀座10和刀片20之間設置有雙重定位結構：第一夾持部 14與第二夾持部24通過夾緊方式固定，第一夾持部14的 外側面與第二夾持部2 4的兩個内侧面貼合以實現定位； 第一卡合部144和第二卡合部26相卡合以實現刀座10和刀 片20的進一步定位。因此，在將刀片20組裝到刀座10上 時能夠實現精確定位，從而提高剪切精度，進而提高生 產良率。 [0014] 可以理解的係，第一卡合部144亦可以係長條狀突起，相 應地，第二卡合部26為長條狀凹槽。 [0015] 請參閱圖4，本發明第二實施例的切削刀具100a與第一實 施例的切削刀具100類似，區別在於：刀座10a的第一夾 099112810 表單編號A0101 第5頁/共16頁 0992022669-0 201136724 持部1 4a為兩個平行且相互隔開的板體，而刀片2Oa的第 二夾持部24a為板狀。第一夾持部14a的兩個板體之間設 有第一卡合部144a，第二夾持部24a的端面上設有第二卡 合部26a，第二卡合部26a用於與第一卡合部144a卡合。 在本實施例中，第一卡合部144a為長條狀凹槽，第二卡 合部26a為長條狀突起。 [0016] 請參閱圖5-6，本發明第三實施例的剪切機200包括驅動 裝置40、設置在驅動裝置40的第一切削刀具50、底座60 及設置在底座60的第二切削刀具70。第一切削刀具50及 第二切削刀具70均與本發明第一實施例的切削刀具100相 同。第一切削刀具50包括第一刀刃502，第二切削刀具70 包括第二刀刃702，第一刀刃502與第二刀刃702相對設 置。驅動裝置40用於騍動第一切削刀具50朝著第二切削 刀具70的方向運動，以實現切割。 [0017] 在本實施例，驅動裝置40為汽缸，可以理解的係，驅動 裝置40亦可以為馬達等。 [0018] 綜上所述，本發明確已符合發明專利之要件，遂依法提 出專利申請。惟，以上所述者僅為本發明之較佳實施方 式，自不能以此限制本案之申請專利範圍。舉凡熟悉本 案技藝之人士援依本發明之精神所作之等效修飾或變化 ，皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 [0019] 圖1係本發明第一實施例提供的切削刀具的立體示意圖。 [0020] 圖2係圖1的切削刀具的立體分解圖。 099112810 表單編號A0101 第6頁/共16頁 0992022669-0 201136724 [0021] 圖3係圖1的切削刀具沿著III - I 11線的剖視圖。 [0022] 圖4係本發明第二實施例提供的切削刀具的刳視圖。 [0023] 圖5係本發明第三實施例提供的剪切機的立體示意圖。 [0024] 圖6係圖5的剪切機在切割時的立體示意圖。 【主要元件符號說明】 [0025] 切削刀具：100，100a [0026] 刀座：1 0，1 0a [0027] 刀片：20，20a [0028] 螺釘：30 [0029] 基座：12 [0030] 第一夾持部：14， 14a [0031] 第一卡合部：144 ，144a [0032] 螺紋孔：142，242 [0033] 刀刃：22 [0034] 第二夾持部：2 4， 24a [0035] 第二卡合部：26， 26a [0036] 剪切機：200 [0037] 驅動裝置：40 [0038] 底座：60 [0039] 第一切削刀具：50 表單編號A0101 099112810 第7頁/共16頁 0992022669-0 201136724 [0040] 第二切削刀具：70 [0041] 第一刀刀：502 [0042] 第二刀刃：702 [0043] 表面：122 [0044] 頂面：222 [0045] 板體：244 0992022669-0 099112810 表單編號A0101 第8頁/共16頁201136724 VI. Description of the Invention: [Technical Field] The present invention relates to the field of tool technology, and more particularly to a cutting tool and a shearing machine having the same. [Prior Art] [0002] Injection molding is a process in which a molten molding material is filled in a closed mold in a high pressure manner to produce a product of a desired shape, which is widely used for its advantages of low cost, high efficiency, high precision, and the like. Production of materials such as ceramics and polymers. 〇 [0003] After the optical component has been injection molded, it also needs to be sheared to remove the runner head to obtain the desired optical component. The cutting tool of the shear directly affects the accuracy of the separation of the optics from the runner head. When the blade assembly is slightly offset from the tool holder, it is easy to produce errors during the cutting process, which reduces the yield of the shear. SUMMARY OF THE INVENTION [0004] In view of the above, it is necessary to provide a cutting Q tool and a shearing machine which can improve the cutting precision. A cutting tool includes a blade holder and a blade, the blade holder including a first clamping portion, the blade including an interconnecting blade and a second clamping portion, the first clamping portion and the second clamping portion Fixing by clamping, the seat further includes a first-parting portion, the blade further comprising a second engaging portion, the first engaging portion and the second engaging portion are engaged to realize the seat and The positioning of the blade. [0006] A shearing machine includes a cutting tool including a tool holder and a blade, 099112810 Form No. A0101 Page 3 / Total 16 Page 0992022669-0 201136724 The tool holder includes a first clamping portion that includes interconnects a cutting edge and a second clamping portion, the first clamping portion and the second clamping portion are fixed by clamping, the holder further comprises a first engaging portion, the blade further comprising a second engaging portion, the blade further comprising a second engaging portion, the blade further comprising a second engaging portion The first engaging portion and the second engaging portion are engaged to realize positioning of the seat and the blade. [0007] With respect to the prior art, in the cutting tool of the present invention, a double positioning structure is disposed between the seat and the blade: the first clamping portion and the second clamping portion are fixed by clamping; the first engaging portion Engaged with the second engaging portion to achieve further positioning of the seat and the blade. As a result, precise positioning is achieved when the blade is assembled to the holder, which improves the cutting accuracy and thus the production yield. The above shearing machine employs the above cutting tool, thereby improving the cutting precision. [Embodiment] The present technical solution will be further described in detail below with reference to the accompanying drawings and embodiments. Referring to FIG. 3 together, the cutting tool 100 of the first embodiment of the present invention includes a seat 10, a blade 20 and a screw 30. [0010] The seat 10 is generally T-shaped and includes a base 12 and a first clamping portion 14 extending perpendicularly from the base 12. The first clamping portion 14 has a plate shape, and the extending surface of the first clamping portion 14 is perpendicular or substantially perpendicular to a surface 122 of the base 12. A first engaging portion 144 is disposed on an end surface of the first clamping portion 14 away from the base 12. In the embodiment, the first engaging portion 144 is an elongated groove. A central end of the first clamping portion 14 defines a threaded hole 142 for engaging with the screw 30 for fixing the blade 20 to the seat 10. The extending direction of the threaded hole 142 is perpendicular or substantially perpendicular to the first clamping portion. 14 extended surface. 099112810 Form No. A0101 Page 4 of 16 0992022669-0 201136724 [0011] The blade 20 includes a blade 22 and a second clamping portion 24 extending from the top surface 222 of the blade 22 away from the blade 22 [0012]. And a second engaging portion 26 disposed on the top surface of the blade 22. The second engaging portion 26 is for engaging with the first engaging portion 144. The second clamping portion 24 includes two parallel and spaced apart plates 244 that extend perpendicularly or substantially perpendicular to the top surface of the cutting edge 22. The second engaging portion 26 is located between the two plates. A threaded hole 242 is defined in the middle of the two plates 244 of the second clamping portion 24 for engaging with the screw 30 to fix the blade 20 to the holder 10. In the present embodiment, the second engaging portion 26 is an elongated protrusion. At the time of assembly, the first holding portion 14 of the holder 10 is inserted between the two plates of the second holding portion 24, and the first engaging portion 144 is engaged with the second engaging portion 26. At this time, the outer side surface of the first holding portion 14 is bonded to the two inner side surfaces of the second holding portion 24. [0013] A double positioning structure is disposed between the boring holder 10 and the blade 20: the first clamping portion 14 and the second clamping portion 24 are fixed by clamping, and the outer side surface of the first clamping portion 14 and the second clamping portion The two inner sides of the holding portion 24 are fitted to achieve positioning; the first engaging portion 144 and the second engaging portion 26 are engaged to achieve further positioning of the seat 10 and the blade 20. Therefore, precise positioning can be achieved when the blade 20 is assembled to the holder 10, thereby improving the cutting precision and thereby improving the production yield. [0014] It can be understood that the first engaging portion 144 can also be an elongated protrusion, and correspondingly, the second engaging portion 26 is an elongated groove. Referring to FIG. 4, a cutting tool 100a according to a second embodiment of the present invention is similar to the cutting tool 100 of the first embodiment, except that the first holder 099112810 of the holder 10a is in the form number A0101, page 5 of 16 0992022669-0 201136724 The holding portion 14a is two parallel and spaced apart plates, and the second clamping portion 24a of the blade 2Oa is plate-shaped. A first engaging portion 144a is disposed between the two plates of the first clamping portion 14a, and a second engaging portion 26a is disposed on the end surface of the second clamping portion 24a. The second engaging portion 26a is used for One of the engaging portions 144a is engaged. In the present embodiment, the first engaging portion 144a is an elongated groove, and the second engaging portion 26a is an elongated protrusion. Referring to FIGS. 5-6, a shearing machine 200 according to a third embodiment of the present invention includes a driving device 40, a first cutting tool 50 disposed on the driving device 40, a base 60, and a second cutting tool disposed on the base 60. 70. The first cutting tool 50 and the second cutting tool 70 are the same as the cutting tool 100 of the first embodiment of the present invention. The first cutting tool 50 includes a first cutting edge 502, and the second cutting tool 70 includes a second cutting edge 702, the first cutting edge 502 being disposed opposite the second cutting edge 702. The driving device 40 is used to move the first cutting tool 50 in the direction of the second cutting tool 70 to effect cutting. [0017] In the present embodiment, the driving device 40 is a cylinder. As can be understood, the driving device 40 can also be a motor or the like. [0018] In summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0019] FIG. 1 is a perspective view of a cutting tool according to a first embodiment of the present invention. 2 is an exploded perspective view of the cutting tool of FIG. 1. 099112810 Form No. A0101 Page 6 of 16 0992022669-0 201136724 [0021] FIG. 3 is a cross-sectional view of the cutting tool of FIG. 1 taken along line III-I11. 4 is a front view of a cutting tool according to a second embodiment of the present invention. 5 is a perspective view of a shearing machine according to a third embodiment of the present invention. 6 is a perspective view of the shearing machine of FIG. 5 when it is being cut. [Main component symbol description] [0025] Cutting tool: 100, 100a [0026] Tool holder: 1 0, 1 0a [0027] Blade: 20, 20a [0028] Screw: 30 [0029] Base: 12 [0030] First clamping portion: 14, 14a [0031] First engaging portion: 144, 144a [0032] Threaded hole: 142, 242 [0033] Cutting edge: 22 [0034] Second clamping portion: 2 4, 24a [ 0035] Second engaging part: 26, 26a [0036] Shearing machine: 200 [0037] Drive unit: 40 [0038] Base: 60 [0039] First cutting tool: 50 Form No. A0101 099112810 Page 7 / Total Page 16 0992022669-0 201136724 [0040] Second cutting tool: 70 [0041] First knife: 502 [0042] Second blade: 702 [0043] Surface: 122 [0044] Top surface: 222 [0045] Plate body :244 0992022669-0 099112810 Form Number A0101 Page 8 of 16