TWI769905B - 自行車架組件的熱壓接合方法及其成品 - Google Patents

自行車架組件的熱壓接合方法及其成品 Download PDF

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TWI769905B
TWI769905B TW110128407A TW110128407A TWI769905B TW I769905 B TWI769905 B TW I769905B TW 110128407 A TW110128407 A TW 110128407A TW 110128407 A TW110128407 A TW 110128407A TW I769905 B TWI769905 B TW I769905B
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shell
reinforcement
joint
thermoplastic
thermosetting
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TW202306819A (zh
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林柏維
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野寶科技股份有限公司
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Priority to TW110128407A priority Critical patent/TWI769905B/zh
Priority to CN202111134949.7A priority patent/CN115701385A/zh
Priority to US17/534,782 priority patent/US20230036877A1/en
Priority to EP22156309.1A priority patent/EP4129810A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/02—Cycle frames characterised by material or cross-section of frame members
    • B62K19/16—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly of plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/12—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor of articles having inserts or reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C65/5014—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like being fibre-reinforced
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
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    • B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
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    • B29C66/5474—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes for making fork-shaped pieces, i.e. with 3 branches, e.g. Y-shaped pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
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    • B29C66/5476—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes for making cross-shaped pieces, e.g. with 4 branches, e.g. X-shaped pieces
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    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

一種自行車架組件的熱壓接合方法及其成品，該熱壓接合方法是先製備為熱塑性材質的一第一殼件與一第二殼件。接著製備一覆蓋該第一殼件與該第二殼件對接處的補強單元，該補強單元包括一熱固性補強件與一熱塑性補強件中的至少其中一者。接著熱壓該補強單元、該第一殼件與該第二殼件，使該第一殼件、該第二殼件與該補強單元互相結合以製成一自行車架組件。該熱固性補強件會密合地黏著於該第一殼件的第一外表面與該第二殼件的第二外表面的接合處，減少熱壓時殘留於該第一殼件與該第二殼件的應力，避免接合處產生裂痕以增加接合強度。

Description

自行車架組件的熱壓接合方法及其成品
本發明是有關於一種自行車架組件的製造方法，特別是指一種自行車架組件的熱壓接合方法及其成品。
一種現有的自行車構件與其成型方法，為將兩個熱塑性的殼件熱壓接合形成一自行車構件，每一殼件包括一殼件本體，及一自該殼件本體向外延伸的接合部，該自行車構件的成型方法為將該等接合部交錯疊合，再以熱壓模具以熱壓成型的方式將該等接合部熔接結合為一體。
然而，該自行車構件的成型方法雖然能夠利用熱壓模具將該等殼件熱壓接合，但因該等接合部交錯疊合容易造成加壓不平均而於熱壓過程中產生裂痕，導致該等殼件接合的強度降低。
因此，本發明的其中一目的，即在提供一種能提升接合強度的自行車架組件的熱壓接合方法。
發明的另一目的，即在提供一種接合強度高的自行車架 組件。
於是，本發明自行車架組件的熱壓接合方法，先製備為熱塑性材質的一第一殼件與一第二殼件，該第一殼件具有一第一對接面，該第二殼件具有一第二對接面。接著製備一補強單元，該補強單元包括一熱固性補強件與一熱塑性補強件中的至少其中一者。接著將該第一殼件的第一對接面與該第二殼件的第二對接面彼此面對面對接，並將該補強單元覆蓋於該第一殼件與該第二殼件的對接處。最後熱壓該補強單元、該第一殼件與該第二殼件，使該第一殼件、該第二殼件與該補強單元互相結合。
本發明自行車架組件，包含一第一殼件、一第二殼件，及一補強單元。
該第一殼件包括一第一殼體，及一第一接合部，該第一殼體具有一第一內表面、一相反於該第一內表面的第一外表面，及一連接該第一內表面與該第一外表面的第一對接面，該第一接合部自該第一對接面朝向遠離該第一殼體的方向延伸。該第二殼件包括一第二殼體，及一第二接合部，該第二殼體具有一第二內表面、一相反於該第二內表面的第二外表面，及一連接該第二內表面與該第二外表面的第二對接面，該第二接合部自該第二對接面朝向該第一接合部延伸並與該第一接合部靠抵對合，該第一接合部、該第一殼體、該第二接合部與該第二殼體相配合界定出一相鄰該第一外表面 與該第二外表面的凹槽。
該補強單元包括一設置於該凹槽的熱塑性補強件，及一覆蓋該凹槽與該熱塑性補強件的熱固性補強件，該熱塑性補強件、該熱固性補強件、該第一殼體、該第一接合部、該第二殼體與該第二接合部為熱壓接合。
本發明的功效在於：藉由該第一殼件與該第二殼件受熱成熔融狀而與該補強單元結合在一起，可減少熱壓時殘留於該第一殼件與該第二殼件的應力，避免接合處產生裂痕以增加接合強度。
101,102,103,104,105:自行車架組件
1,1':第一殼件
11,11':第一殼體
111,111':第一內表面
112,112':第一外表面
113,113':第一對接面
12:第一接合部
2,2':第二殼件
21,21':第二殼體
211,211':第二內表面
212,212':第二外表面
213,213':第二對接面
22:第二接合部
23:凹槽
3:補強單元
31:熱固性補強件
32:熱塑性補強件
本發明的其他的特徵及功效，將於參照圖式的實施方式中清楚地呈現，其中：圖1是一不完整的剖視示意圖，顯示本發明自行車架組件的熱壓接合方法的一第一實施例的一第一殼件、一第二殼件與一熱固性補強件的熱壓接合結構；圖2是一不完整的剖視示意圖，顯示本發明自行車架組件的熱壓接合方法的一第二實施例的一第一殼件、一第二殼件與一熱塑性補強件的熱壓接合結構；圖3是一不完整的剖視示意圖，顯示本發明自行車架組件的熱壓接合方法的一第三實施例的一第一殼件、一第二殼件、一熱固性 補強件與一熱塑性補強件的熱壓接合結構；圖4是一不完整的剖視示意圖，顯示本發明自行車架組件的熱壓接合方法的一第四實施例的一第一殼件、一第二殼件、一熱固性補強件與一熱塑性補強件的熱壓接合結構；圖5是一立體組合圖，顯示依該第一實施例、該第二實施例、該第三實施例與該第四實施例中的至少其中一者製成的一自行車架組件；及圖6是該自行車架組件的一立體分解圖。
在本發明被詳細描述之前，應當注意在以下的說明內容中，類似的元件是以相同的編號來表示。
參閱圖1，本發明自行車架組件的熱壓接合方法的一第一實施例，包含下列步驟：
步驟一：製備為熱塑性材質的一第一殼件1與一第二殼件2。該第一殼件1具有一第一內表面111、一相反於該第一內表面111的第一外表面112，及一連接該第一內表面111與該第一外表面112的第一對接面113。該第二殼件2具有一第二內表面211、一相反於該第二內表面211的第二外表面212，及一連接該第二內表面211與該第二外表面212的第二對接面213。
步驟二：製備一補強單元3，該補強單元3包括一熱固性補強件31。
步驟三：將該第一殼件1的第一對接面113與該第二殼件2的第二對接面213彼此面對面對接，並將該熱固性補強件31覆蓋於該第一殼件1的第一外表面112與該第二殼件2的第二外表面212的對接處。
步驟四：於該熱固性補強件31的一側設置一熱壓模具(圖未示)，於相反於該熱固性補強件31的一側設置一氣囊(圖未示)，將該氣囊充氣使該氣囊膨脹撐抵該第一殼件1的第一內表面111與該第二殼件2的第二內表面211，該熱壓模具靠抵該熱固性補強件31並與該氣囊相配合熱壓該熱固性補強件31、該第一殼件1與該第二殼件2，使該第一殼件1、該第二殼件2與該熱固性補強件31互相結合成為一自行車架組件101。
本實施例中該熱固性補強件31為纖維毯，並選自由棉、麻纖維、碳纖維、碳化矽纖維與玻璃纖維組成之群組，該熱固性補強件31可平整地覆蓋於該第一殼件1的第一外表面112與該第二殼件2的第二外表面212的接合處，使熱壓後加強該熱固性補強件31與該第一殼件1及該第二殼件2間的密合度。於本實施例的其他變化態樣中，該熱固性補強件31也可由其他類型的熱固性材料製成，如金屬絲、金屬網或金屬片等等，不當以此為限。
本實施例的優點在於：當該第一殼件1與該第二殼件2受熱成熔融狀時，該熱固性補強件31會密合地黏著於該第一殼件1的第一外表面112與該第二殼件2的第二外表面212的接合處，可減少該第一殼件1與該第二殼件2冷卻後殘留於該第一殼件1與該第二殼件2接合處的應力，避免接合處產生裂痕以增加接合強度。
參閱圖2，本發明自行車架組件的熱壓接合方法的一第二實施例類似於該第一實施例，其差異在於：該第二實施例的該補強單元3包括一熱塑性補強件32，但未包括該熱固性補強件31，以下僅針對該第二實施例的步驟三、步驟四進行說明。
步驟三：該第一殼件1的第一對接面113與該第二殼件2的第二對接面213彼此面對面對接後，將該熱塑性補強件32覆蓋於該第一殼件1的第一外表面112與該第二殼件2的第二外表面212的對接處。
步驟四：熱壓該熱塑性補強件32、該第一殼件1與該第二殼件2，使該第一殼件1、該第二殼件2與該熱塑性補強件32互相結合成為一自行車架組件102。
本實施例中該熱塑性補強件32為連續纖維增強熱塑性複合材料(Continuous fiber reinforced thermoplastic,CFRTP)，且該熱塑性補強件32選自由碳纖維和玻璃纖維所組成之群組。
於本實施例的其他變化態樣中，該熱塑性補強件32也可 由其他類型的塑料材料製成，如聚碳酸酯(Polycarbonate,PC)、聚乙烯(Polyethylene,PE)、聚對苯二甲酸乙二酯(Polyethylene terephthalate,PET)或聚醚醚酮(Polyetheretherketone,PEEK)等等，不當以此為限。
本實施例的優點在於：由於該熱塑性補強件32為具有高強度與高剛性的碳纖維複合材料，因此藉由該熱塑性補強件32與該第一殼件1及該第二殼件2熱壓結合在一起，便可增加該第一殼件1與該第二殼件2的接合處的強度。
參閱圖3，本發明自行車架組件的熱壓接合方法的一第三實施例類似該第一實施例與該第二實施例，其差異在於：該第三實施例的該補強單元3包括該熱塑性補強件32，及該熱固性補強件31，以下僅針對該第三實施例的步驟三、步驟四進行說明。
步驟三：將該第一殼件1的第一對接面113與該第二殼件2的第二對接面213彼此面對面對接後，再將該熱塑性補強件32覆蓋於該第一殼件1的第一內表面111與該第二殼件2的第二內表面211的對接處，將該熱固性補強件31覆蓋於該第一殼件1的第一外表面112與該第二殼件2的第二外表面212的對接處。
步驟四：熱壓該熱塑性補強件32、熱固性補強件31、該第一殼件1與該第二殼件2，使該第一殼件1、該第二殼件2、該熱塑性補強件32與該熱固性補強件31互相結合成為一自行車架組件 103。
本實施例的優點在於：結合該第一實施例與該第二實施例的優點，藉由該熱固性補強件31可減少該第一殼件1的第一外表面112與該第二殼件2的第二外表面212的接合處的殘留應力，以及該熱塑性補強件32可提高該第一殼件1的第一內表面111與該第二殼件2的第二內表面211的接合處的強度與剛性，便可進一步地增加該第一殼件1與該第二殼件2的接合處的強度。
參閱圖4，本發明自行車架組件的熱壓接合方法的一第四實施例，包含以下步驟：
步驟一：製備為熱塑性材質的一第一殼件1'與一第二殼件2'。
該第一殼件1'包括一第一殼體11'，及一第一接合部12。
該第一殼體11'具有一第一內表面111'、一相反於該第一內表面111'的第一外表面112'，及一連接該第一內表面111'與該第一外表面112'的第一對接面113'。
該第一接合部12自該第一對接面113'向該第二殼件2'延伸。
該第二殼件2'包括一第二殼體21'，及一第二接合部22。
該第二殼體21'具有一第二內表面211'、一相反於該第二內表面211'的第二外表面212'，及一連接該第二內表面211'與該第 二外表面212'的第二對接面213'。
該第二接合部22自該第二對接面213'向該第一殼件1'延伸。
步驟二：製備該補強單元3，該補強單元3包括該熱塑性補強件32，及該熱固性補強件31。
步驟三：將該第一接合部12與該第二接合部22互相靠抵對接並與該第一殼體11'、該第二殼體21'相配合界定出一相鄰該第一外表面112'與該第二外表面212'並供該熱塑性補強件32容置的凹槽23，該熱固性補強件31覆蓋該凹槽23與該熱塑性補強件32。
步驟四：於該熱固性補強件31的一側設置該熱壓模具，於相反於該熱固性補強件31的一側設置該氣囊。將該氣囊充氣使該氣囊膨脹撐抵該第一殼件1'的第一內表面111'與該第二殼件2'的第二內表面211'，該熱壓模具靠抵該熱固性補強件31並與該氣囊相配合熱壓該該熱固性補強件31、該熱塑性補強件32、該第一殼件1'與該第二殼件2'，使該第一殼件1'、該第二殼件2'、該熱固性補強件31與該熱塑性補強件32互相結合成為一自行車架組件104。
本實施例的優點在於：於該第一殼件1'與該第二殼件2'相配合界定出的該凹槽23處容置該熱塑性補強件32，熱壓過程時可增加該熱塑性補強件32與該第一殼件1'及該第二殼件2'接合的表面積，提升黏著效果，且該熱固性補強件31能減少該第一殼件 1'、該熱塑性補強件32與該第二殼件2'間的殘留應力，更可進一步提高接合處的強度。
值得注意的是，本實施例的其他變化態樣中，於該步驟二中，該補強單元3不包括該熱固性補強件31，並於該步驟四中將設置於該凹槽23的該熱塑性補強件32與該第一殼件1'、該第二殼件2'進行熱壓，同樣能達成提高接合強度的功效。
參閱圖5、圖6，為利用前述該第一實施例、該第二實施例、該第三實施例與該第四實施例中的至少其中一者製成之自行車架組件105，包含該第一殼件1'、該第二殼件2'，與該補強單元3(圖未示)。
該第一殼件1'包括該第一殼體11'，及該第一接合部12。該第二殼件2'包括該第二殼體21'，及該第二接合部22。
本實施例中的該自行車架組件105，藉由該第一實施例、該第二實施例、該第三實施例與該第四實施例中的至少其中一者製成，具有接合強度高的優點。
惟以上所述者，僅為本發明的實施例而已，當不能以此限定本發明實施的範圍，凡是依本發明申請專利範圍及專利說明書內容所作的簡單的等效變化與修飾，皆仍屬本發明專利涵蓋的範圍內。
104:自行車架組件
1':第一殼件
11':第一殼體
111':第一內表面
112':第一外表面
113':第一對接面
12:第一接合部
2':第二殼件
21':第二殼體
211':第二內表面
212':第二外表面
213':第二對接面
22:第二接合部
3:補強單元
31:熱固性補強件
32:熱塑性補強件

Claims (7)

  1. 一種自行車架組件的熱壓接合方法，包含以下步驟：(A)製備為熱塑性材質的一第一殼件與一第二殼件，該第一殼件具有一第一對接面，該第二殼件具有一第二對接面；(B)製備一補強單元，該補強單元包括一熱固性補強件與一熱塑性補強件；(C)將該第一殼件的第一對接面與該第二殼件的第二對接面彼此面對面對接，並將該補強單元覆蓋於該第一殼件與該第二殼件的對接處，該熱固性補強件覆蓋於該第一殼件與該第二殼件的對接處，該熱塑性補強件覆蓋於該第一殼件與該第二殼件的對接處並相反於該熱固性補強件；及(D)熱壓該熱塑性補強件、該熱固性補強件、該第一殼件與該第二殼件，使該第一殼件、該第二殼件、該熱塑性補強件與該熱固性補強件互相結合。
  2. 如請求項1所述的自行車架組件的熱壓接合方法，其中，該熱固性補強件選自由棉、麻纖維、碳纖維、碳化矽纖維與玻璃纖維所組成之群組。
  3. 如請求項1所述的自行車架組件的熱壓接合方法，其中，該熱塑性補強件為連續纖維增強熱塑性複合材料，且選自由碳纖維、玻璃纖維、PC、PE、PET、PEEK所組成之群組。
  4. 如請求項1所述的自行車架組件的熱壓接合方法，其中， 該熱塑性補強件為連續纖維增強熱塑性複合材料，且選自由碳纖維、玻璃纖維、PC、PE、PET、PEEK所組成之群組，該熱固性補強件選自由棉、麻纖維、碳纖維、碳化矽纖維與玻璃纖維所組成之群組。
  5. 一種自行車架組件的熱壓接合方法，包含以下步驟：(A)製備為熱塑性材質的一第一殼件與一第二殼件，該第一殼件具有一第一對接面、一第一殼體，及一第一接合部，該第一殼體具有一第一內表面，及一相反於該第一內表面的第一外表面，該第一對接面位於該第一殼體並連接該第一內表面與該第一外表面，該第一接合部自該第一接合面向該第二殼件延伸，該第二殼件包括一第二殼體，及一第二接合部，該第二殼體具有一第二對接面、一第二內表面，及一相反於該第二內表面的第二外表面，該第二對接面位於該第二殼體並連接該第二內表面與該第二外表面，該第二接合部自該第二接合面向該第一殼件延伸；(B)製備一補強單元，該補強單元包括一熱塑性補強件與一熱固性補強件；(C)將該第一殼件的第一對接面與該第二殼件的第二對接面彼此面對面對接，並將該補強單元覆蓋於該第一殼件與該第二殼件的對接處，該第一接合部與該第二接合部互相靠抵對接並與該第一殼體、該第二殼體相配合界定出一相鄰該第一外表面與該第二外表面並供該熱塑性補強件容置的凹槽，該熱固性補強件覆蓋該凹槽與該熱塑性補強件；(D)，熱壓該熱塑性補強件、該熱固性補強件、該第一殼體、該第一接合部、該第二殼件與該第二 接合部，使該熱塑性補強件、該熱固性補強件、該第一殼體、該第一接合部、該第二殼件與該第二接合部互相結合。
  6. 一種自行車架組件，包含：一第一殼件，包括一第一殼體，及一第一接合部，該第一殼體具有一第一內表面、一相反於該第一內表面的第一外表面，及一連接該第一內表面與該第一外表面的第一對接面，該第一接合部自該第一對接面朝向遠離該第一殼體的方向延伸；一第二殼件，包括一第二殼體，及一第二接合部，該第二殼體具有一第二內表面、一相反於該第二內表面的第二外表面，及一連接該第二內表面與該第二外表面的第二對接面，該第二接合部自該第二對接面朝向該第一接合部延伸並與該第一接合部靠抵對合，該第一接合部、該第一殼體、該第二接合部與該第二殼體相配合界定出一相鄰該第一外表面與該第二外表面的凹槽；及一補強單元，包括一設置於該凹槽的熱塑性補強件，及一覆蓋該凹槽與該熱塑性補強件的熱固性補強件，該熱塑性補強件、該熱固性補強件、該第一殼體、該第一接合部、該第二殼體與該第二接合部為熱壓接合。
  7. 如請求項6所述的自行車架組件，其中，該熱塑性補強件為連續纖維增強熱塑性複合材料，且選自由碳纖維、玻璃纖維、PC、PE、PET、PEEK所組成之群組。
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