TWI802233B - Processing tool for open-end wrench and processing method thereof - Google Patents
Processing tool for open-end wrench and processing method thereof Download PDFInfo
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Abstract
本發明之加工刀具包含有一刀頭固定座、一刀頭單元及一固定件。刀頭單元具有一精削刀頭、一粗削刀頭和一沖孔刀頭,三者依尺寸朝遠離刀頭固定座的方向由大到小排列,固定件由下而上依序穿過沖孔刀頭、粗削刀頭和精削刀頭,並以可拆卸的方式設於刀頭固定座。藉此,本發明之加工刀具可以對開口扳手一次完成開口的加工,以簡化製程和降低成本。另外,本發明更提供一種前述加工刀具之加工方法。The processing tool of the present invention includes a cutter head fixing seat, a cutter head unit and a fixing piece. The cutter head unit has a finishing cutter head, a rough cutting cutter head and a punching cutter head. The three are arranged from large to small in the direction away from the cutter head fixing seat according to the size, and the fixing parts pass through them sequentially from bottom to top. The punching cutter head, the rough cutting cutter head and the finishing cutter head are arranged on the cutter head fixing seat in a detachable manner. Thereby, the processing tool of the present invention can process the opening of the open-end wrench at one time, so as to simplify the manufacturing process and reduce the cost. In addition, the present invention further provides a processing method for the aforementioned processing tool.
Description
本發明與開口扳手有關,特別是指一種用於開口扳手之加工刀具,以及該加工刀具對該開口扳手進行加工之加工方法。 The present invention relates to an open-end wrench, in particular to a processing tool for an open-end wrench and a processing method for processing the open-end wrench by the processing tool.
開口扳手是十分普及的手工具,在使用時主要利用一端頭部的開口夾制螺帽或螺栓頭,接著對柄部施力,從而讓使用者可以用較為省力的方式鎖緊或鬆放螺帽或螺栓頭。 The open-end wrench is a very popular hand tool. When in use, it mainly uses the opening at one end to clamp the nut or bolt head, and then applies force to the handle, so that the user can lock or loosen the nut in a relatively labor-saving way. cap or bolt head.
就開口扳手的傳統製造方法來說,在經過鍛造完成後的扳手粗胚90會在開口92處保留一連接部94(如圖1所示),然後先利用沖床將連接部94沖斷後再改到拉床進行加工,藉由拉刀的拉削加工即可將開口92加工至所需要的尺寸。然而,前述製造方法需要操作多種不同的專用加工機,不僅過程較為繁複,在成本方面也會相對提高,因此仍有改善的空間。
As far as the traditional manufacturing method of the open-end wrench is concerned, the wrench blank 90 after forging will retain a connecting
本發明之主要目的在於提供一種用於開口扳手之加工刀具,其能一次完成開口的加工,以簡化製程和降低成本。 The main purpose of the present invention is to provide a processing tool for an open-end wrench, which can complete the processing of the opening at one time, so as to simplify the manufacturing process and reduce the cost.
為了達成上述主要目的,本發明之加工刀具包含有一刀頭固定座、一刀頭單元,以及一固定件。該刀頭單元具有一精削刀頭、一粗削刀頭和一沖孔刀頭,該精削刀頭、該粗削刀頭和該沖孔刀頭依尺寸朝遠離該刀頭固定座的方向由大到小排列;該固定件由下而上依序穿過該沖孔刀頭、該粗削刀頭和該精削刀頭,並且以可拆卸的方式設於該刀頭固定座。 In order to achieve the above main purpose, the processing tool of the present invention includes a cutter head fixing seat, a cutter head unit, and a fixing member. The cutter head unit has a finishing cutter head, a rough cutting cutter head and a punching cutter head. The directions are arranged from large to small; the fixing member passes through the punching cutter head, the rough cutting cutter head and the finishing cutter head sequentially from bottom to top, and is detachably arranged on the cutter head fixing seat.
由上述可知,本發明之加工刀具先利用該沖孔刀頭沖斷保留在一開口周緣之一連接部,接著利用該粗削刀頭對該開口之周緣進行粗削加工,然後利用該精削刀頭對該開口之周緣進行精削加工。換言之,本發明之加工刀具可以一次完成該開口的加工,以簡化製程和降低成本,另外在拆下該固定件時,即可對該精削刀頭、該粗削刀頭和該沖孔刀頭進行維修或更換,進而增加使用上的便利性。 As can be seen from the above, the machining tool of the present invention first utilizes the punching cutter head to break off a connecting portion remaining at the periphery of an opening, then uses the roughing cutter head to perform rough machining on the periphery of the opening, and then utilizes the finish cutting The cutter head performs finish machining on the periphery of the opening. In other words, the processing tool of the present invention can complete the processing of the opening at one time, so as to simplify the manufacturing process and reduce the cost. In addition, when the fixing member is removed, the finishing cutter head, the rough cutting cutter head and the punching cutter can be The head is repaired or replaced, thereby increasing the convenience of use.
較佳地,該刀頭固定座與該精削刀頭之間藉由一被該固定件所穿設之墊塊將兩者隔開,使得該刀頭固定座與該精削刀頭之間形成一退刀缺口。在完成該開口的加工後,藉由該退刀缺口退出該開口。 Preferably, the cutter head fixing seat and the finishing cutter head are separated by a spacer pierced by the fixing member, so that the cutter head fixing seat and the finishing cutter head Form a retreat gap. After the machining of the opening is completed, the opening is withdrawn through the tool withdrawal notch.
較佳地,該精削刀頭與該粗削刀頭之間及該粗削刀頭和該沖孔刀頭之間分別藉由一被該固定件所穿設之墊塊將兩者隔開,使得該精削刀頭和該粗削刀頭之間及該粗削刀頭和該沖孔刀頭之間分別形成一排屑缺口。藉由該等排屑缺口將加工過程中所產生的切削屑排出。 Preferably, between the finishing cutter head and the rough cutter head and between the rough cutter head and the punching cutter head are respectively separated by a spacer pierced by the fixing member , so that a chip removal gap is formed between the finishing cutter head and the rough cutter head and between the rough cutter head and the punching cutter head. Chips generated during machining are discharged through the chip removal gaps.
較佳地,該刀具單元更具有一平行於該固定件之支撐件,該支撐件由下而上依序穿過該沖孔刀頭、該粗削刀頭和該精削刀頭,並緊配地插設於該刀頭固定座之一插孔。藉由該支撐件來提升結構強度。 Preferably, the cutter unit further has a supporting member parallel to the fixing member, and the supporting member passes through the punching cutter head, the rough cutting cutter head and the finishing cutter head sequentially from bottom to top, and tightly The matching ground is inserted into one of the sockets of the cutter head holder. The structural strength is improved by the supporting member.
較佳地,該刀頭固定座具有一螺孔,該固定件具有一螺紋端,該固定件以該螺紋端設於該刀頭固定座之螺孔,使該固定件以可拆卸的方式組設於該刀頭固定座。 Preferably, the cutter head fixing seat has a screw hole, the fixing member has a threaded end, and the fixing member is arranged on the screw hole of the cutter head fixing seat with the threaded end, so that the fixing member can be assembled in a detachable manner. Set on the cutter head holder.
另一方面,本發明更提供一種前述加工刀具之加工方法,包含有下列步驟:a)備置一扳手粗胚,該扳手粗胚之一端具有一開口與一設於該開口之連接部;b)將該刀頭固定座安裝於一動力源,藉由該動力源之驅動,該加工刀具以該沖孔刀頭沖斷該連接部;c)藉由該動力源之驅動,該加工刀具以該粗削刀頭對該開口之周緣進行粗削加工;d)藉由該動力源之驅動,該加工刀具以該精削刀頭對該開口之周緣進行精削加工;以及e)將該加工刀具退出該開口。 On the other hand, the present invention further provides a processing method for the above-mentioned processing tool, which includes the following steps: a) preparing a wrench blank, one end of the wrench blank has an opening and a connecting portion arranged at the opening; b) Installing the cutter head holder on a power source, driven by the power source, the processing tool uses the punching cutter head to break the connecting portion; c) driven by the power source, the processing tool uses the punching tool head The rough cutting head performs rough cutting on the periphery of the opening; d) driven by the power source, the processing tool performs finishing processing on the periphery of the opening with the fine cutting head; and e) the processing tool Exit the opening.
由上述加工方法可知,本發明之加工刀具可以一次完成該開口的加工,不需要操作多種不同的專用加工機,進而達到簡化製程和降低成本的目的。 It can be seen from the above processing method that the processing tool of the present invention can complete the processing of the opening at one time without operating a variety of special processing machines, thereby achieving the purpose of simplifying the manufacturing process and reducing costs.
有關本發明所提供對於用於開口扳手之加工刀具及其加工方法的詳細構造、特點、組裝或使用方式,將於後續的實施方式詳細說明中予以描述。然而,在本發明領域中具有通常知識者應能瞭解,該等詳細說明以及實施本發明所列舉的特定實施例,僅係用於說明本發明,並非用以限制本發明之專利申請範圍。 The detailed structure, features, assembly or usage of the processing tool for the open-end wrench and the processing method thereof provided by the present invention will be described in the following detailed description of the implementation. However, those with ordinary knowledge in the field of the present invention should understand that the detailed description and the specific embodiments enumerated for implementing the present invention are only for illustrating the present invention, and are not intended to limit the scope of the patent application of the present invention.
10:加工刀具 10: Processing tool
20:刀頭固定座 20: Cutter head holder
22:螺孔 22: screw hole
24:插孔 24: jack
30:刀頭單元 30: Cutter head unit
32:排屑缺口 32: chip removal gap
34:退刀缺口 34: Retraction gap
40:精削刀頭 40:Finish cutting head
42:第一中間孔 42: The first middle hole
44:第一側孔 44: First side hole
50:粗削刀頭 50: Rough cutting head
52:第二中間孔 52: Second middle hole
54:第二側孔 54: Second side hole
56:切削齒部 56: Cutting teeth
60:沖孔刀頭 60: punching head
62:第三中間孔 62: The third middle hole
64:第三側孔 64: The third side hole
70:墊塊 70: spacer
72:第四中間孔 72: Fourth middle hole
74:第四側孔 74: Fourth side hole
80:固定件 80:Fixer
82:螺紋端 82: threaded end
84:支撐件 84: support
90:扳手粗胚 90: Wrench rough blank
92:開口 92: opening
94:連接部 94: connection part
S1-S5:步驟 S1-S5: steps
圖1為扳手粗胚之局部立體圖。 Fig. 1 is a partial perspective view of a wrench blank.
圖2為本發明之加工刀具的立體圖。 Fig. 2 is a perspective view of the machining tool of the present invention.
圖3為本發明之加工刀具的立體分解圖。 Fig. 3 is a three-dimensional exploded view of the processing tool of the present invention.
圖4為本發明之加工刀具的平面圖。 Fig. 4 is a plan view of the machining tool of the present invention.
圖5為圖4沿5-5剖線之剖視圖。 Fig. 5 is a cross-sectional view along line 5-5 in Fig. 4 .
圖6為本發明之加工刀具的加工方法的流程圖。 Fig. 6 is a flow chart of the processing method of the processing tool of the present invention.
申請人首先在此說明,於整篇說明書中,包括以下介紹的實施例以及申請專利範圍的請求項中,有關方向性的名詞皆以圖式中的方向為基準。其次,在以下將要介紹之實施例以及圖式中,相同之元件標號,代表相同或近似之元件或其結構特徵。 The applicant hereby explains that in the entire specification, including the embodiments described below and the claims of the scope of the patent application, the nouns related to direction are based on the directions in the drawings. Secondly, in the embodiments and drawings to be described below, the same component numbers represent the same or similar components or their structural features.
請參閱圖2及圖3,本發明之加工刀具10包含有一刀頭固定座20、一刀頭單元30,以及一固定件80。
Please refer to FIG. 2 and FIG. 3 , the
刀頭固定座20之底面具有一螺孔22和二插孔24,螺孔22位於該等插孔24之間(如圖5所示)。
The bottom surface of the
如圖2至圖4所示,刀頭單元30具有一精削刀頭40、二粗削刀頭50和一沖孔刀頭60,精削刀頭40、粗削刀頭50和沖孔刀頭60依尺寸朝遠離刀頭固定座20的方向由大到小排列,如圖5所示,精削刀頭40橫向上的尺寸大於粗削刀頭50在橫向上的尺寸,且粗削刀頭50在橫向上的尺寸大於沖孔刀頭60在橫向上的尺寸。其中在各粗削刀頭50之外周面具有一切削齒部56。刀頭單元30更具有四墊塊70,該等墊塊70分別設於刀頭固定座20和精削刀頭40之間、精削刀頭40和粗削刀頭50之間、
該等粗削刀頭50之間,以及粗削刀頭50和沖孔刀頭60之間,一方面使得刀頭固定座20和精削刀頭40之間形成一退刀缺口34,另一方面使得精削刀頭40和粗削刀頭50之間、該等粗削刀頭50之間,以及粗削刀頭50和沖孔刀頭60之間分別形成一排屑缺口32。此外,精削刀頭40具有一第一中間孔42和二第一側孔44,各粗削刀頭50具有一第二中間孔52和二第二側孔54,沖孔刀頭60具有一第三中間孔62與二第三側孔64,各墊塊70具有一第四中間孔72和二第四側孔74。
As shown in Figures 2 to 4, the
在此需要補充說明的是,精削刀頭40、粗削刀頭50和沖孔刀頭60在輪廓方面可以根據實際需要而有不同變化,在此不加以限定,至於在數量方面,粗削刀頭50不限定只能設置二個,亦可根據實際需要減少為一個或是增設為二個以上。
What needs to be supplemented here is that the profile of the
固定件80由下而上依序穿過沖孔刀頭60之第三中間孔62、墊塊70之第四中間孔72、粗削刀頭50之第二中間孔52、墊塊70之第四中間孔72、粗削刀頭50之第二中間孔52、墊塊70之第四中間孔72、精削刀頭40之第一中間孔42及墊塊70之第四中間孔72,並以其螺紋端82螺設於刀頭固定座20之螺孔22內,用以將沖孔刀頭60、該等粗削刀頭50、精削刀頭40和該等墊塊70固定在一起。此外,本發明更提供二支撐件84(實際上只要至少一個即可),該等支撐件84由下而上穿過沖孔刀頭60之該等第三側孔64、墊塊70之該等第四側孔74、粗削刀頭50之該等第二側孔54、墊塊70之該等第四側孔74、粗削刀頭50之該等第二側孔54、墊塊70之該等第四側孔74、精削刀頭40之該等第一側孔44及墊
塊70之該等第四側孔74,並以其末端緊配地插設於刀頭固定座20之該等插孔24內,藉由該等支撐件84來增加整體結構的強度。
The fixing
以上為本發明之加工刀具10的結構特徵,以下將進一步說明本發明之加工刀具10的加工方法,如圖6所示,本發明之加工刀具10的加工方法包含有下列步驟:
The above are the structural features of the
a)如圖6所示之步驟S1,備置一扳手粗胚90,扳手粗胚90之一端具有一開口92與一設於開口92周緣之連接部94。前述扳手粗胚90通常以鍛造方式所製成,由於前述扳手粗胚90的製造方法為習知技術且非本案重點,在此容不贅述。
a) Step S1 as shown in FIG. 6 , prepare a wrench blank 90 , one end of the wrench blank 90 has an
b)如圖6所示之步驟S2,將刀頭固定座20安裝於一動力源(例如沖床,圖中未示),藉由動力源之驅動,使加工刀具10往下移動並以沖孔刀頭60沖斷連接部94。
b) In step S2 shown in Figure 6, the
c)如圖6所示之步驟S3,藉由動力源之驅動,使加工刀具10繼續往下移動並以該等粗削刀頭50之該等切削齒部56對開口92之周緣進行粗削加工。在粗削加工過程中所產生的切削屑會從該等排屑缺口32排出。
c) Step S3 as shown in Figure 6, by driving the power source, the
d)如圖6所示之步驟S4,藉由動力源之驅動,加工刀具10繼續往下移動並以精削刀頭40對開口92之周緣進行精削加工,同時將開口92加工至所需要的尺寸大小。
d) Step S4 shown in Figure 6, driven by the power source, the
e)如圖6所示之步驟S5,藉由動力源之驅動,加工刀具10繼續往下移動到讓退刀缺口34對應於開口92時,即可將加工刀具10退出開口92,如此即完成開口92的加工。
e) step S5 as shown in Figure 6, by the driving of the power source, the
由上述可知,本發明之加工刀具10可以一次完成開口92的加工,不需要操作多種不同的專用加工機,以簡化製程和降低成本。另外,若遇到刀頭損壞的情況,只要將固定件80拆下,即可針對損壞的刀頭進行維修或更換,以增加使用上的便利性。
It can be seen from the above that the
10:加工刀具 10: Processing tool
20:刀頭固定座 20: Cutter head holder
30:刀頭單元 30: Cutter head unit
32:排屑缺口 32: chip removal gap
34:退刀缺口 34: Retraction gap
40:精削刀頭 40:Finish cutting head
50:粗削刀頭 50: Rough cutting head
56:切削齒部 56: Cutting teeth
60:沖孔刀頭 60: punching head
70:墊塊 70: spacer
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