TWM511380U - Cambering and roll bending structure of shape steel shaper - Google Patents
Cambering and roll bending structure of shape steel shaper Download PDFInfo
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本創作係有關於一種型鋼整形機之預拱與滾彎結構,尤指一種可將型鋼微量彎弧形呈拱型的預拱機構,藉以可漸進式調整抵壓深度,而讓型鋼逐漸彎弧,達到型鋼預拱功效為首先創作運用者。 The present invention relates to a pre-arching and rolling structure of a steel shaping machine, in particular to a pre-arching mechanism capable of arching a curved shape of a profiled steel, thereby gradually adjusting the pressing depth and allowing the steel to gradually bend. To achieve the pre-arching effect of the profile steel is the first to create the user.
按,目前應用建築物強度問題,大都已採用型鋼為主體骨架,而其型鋼包含有C型鋼、ㄇ型鋼、Z型鋼或工字型鋼等等,藉由長條狀型鋼固接而組設於建築物主要立柱上,以構成該建築物的主體骨架。 According to the current application of building strength problems, most of them have adopted steel as the main skeleton, and their steels include C-shaped steel, ㄇ-shaped steel, Z-shaped steel or I-shaped steel, etc., which are assembled in the building by fixing the long strip-shaped steel. The main column is to form the main skeleton of the building.
在鋼結構建築物普遍在各地林立,小至居家住宅房屋頂樓的建造,大至工廠廠房及可容納數千或數萬人運動場館等均隨處可見;而其型鋼分設有輕型鋼與重型鋼,以輕型鋼而言,大都採C型、ㄇ型、Z型為主,而此類的型鋼製作可一體彎折成形,而此類輕型鋼無論在建築需求上,需整平或微亮彎折呈拱型體時,因其本身可一體塑型之故,使其在預拱方面可於製作時即可形成所需態樣。 The construction of steel buildings is generally everywhere, from the construction of roofs for homes, to factory buildings and sports venues that can accommodate thousands or tens of thousands of people. The steel is divided into light steel and heavy steel. In the case of light steel, most of them are C-type, ㄇ-type and Z-type, and such steel can be bent and formed integrally, and such lightweight steel needs to be flattened or slightly curved regardless of the construction demand. When the arch is folded into a shape, it can be integrally molded, so that it can be formed in the pre-arching state.
但上述預拱方式僅能針對C型鋼、Z型鋼進行作業,而屬重型的工字型鋼,因其製作為採將上、下鋼板間焊接一直鋼板,因此,當於成形之後,其型鋼欲對應建築體而作有弧度變化時,其係有如 公告第429816號一種「H型鋼彎曲機之結構改良」,機台內包括:上定位滾筒、下定位滾筒、壓制導桿、壓縮滾輪、拉伸滾輪、擺桿機構、制動滾筒、壓制滾輪、鏈條裝置、螺桿及油壓缸等組合而成,其特徵在於:一下定位滾筒,與裝置主油壓缸之驅動架聯結,其主油壓缸推動加工之整組機構亦包括有拉伸滾輪,其中該拉伸滾輪係另與一裝置小油壓缸之驅動架聯結,且該拉伸滾輪之輪壁長係大於該H型鋼內側垂直面之長度者;一上定位滾筒,其係固結於連動機構內部,且其中亦包括有壓縮滾輪,而該壓縮滾輪係與驅動架聯結且藉連動機構內之鏈條裝置可帶動螺桿予以上下夾持H型鋼中央腹部位置,且該壓縮滾輪之輪徑與該H型鋼內側垂直面之長度相同者;一擺桿機構,其係與副油壓缸聯結,且該擺桿機構內所設之壓制滾輪其係與一驅動架聯結至螺桿且經鏈條裝置使其可將H型鋼上下夾持固定,另其內部設一制動滾筒受副油壓缸之推力迫使H型鋼彎曲滑動者;藉由上述構件,即可針對H型鋼於彎曲加工時產生之塑性變形部加以改善,且進料加工過程更穩固且不易跳動,進而塑造出更具完整弧形之H型鋼材料。 However, the above-mentioned pre-arching method can only work for C-shaped steel and Z-shaped steel, and is a heavy-duty I-shaped steel. Because it is made to weld the upper and lower steel plates, the steel plate is welded. Therefore, after forming, the steel is intended to correspond. When the building has a curvature change, it is like Announcement No. 429816, "Structural Improvement of H-beam Bending Machine", the machine includes: upper positioning roller, lower positioning roller, pressing guide rod, compression roller, stretching roller, swing lever mechanism, brake roller, pressing roller, chain The device, the screw and the hydraulic cylinder are combined, and the utility model is characterized in that: the lower positioning roller is coupled with the driving frame of the main hydraulic cylinder of the device, and the whole group mechanism of the main hydraulic cylinder pushing and processing also includes the stretching roller, wherein The stretching roller is further coupled with a driving frame of a small hydraulic cylinder, and the length of the wheel of the stretching roller is greater than the length of the vertical surface of the H-shaped steel; and the upper positioning roller is fixed to the linkage Inside the mechanism, and including a compression roller, the compression roller is coupled with the driving frame and the chain device in the linkage mechanism can drive the screw to clamp the central abdomen position of the H-shaped steel up and down, and the diameter of the compression roller and the diameter The length of the inner vertical surface of the H-shaped steel is the same; a swinging rod mechanism is coupled with the auxiliary hydraulic cylinder, and the pressing roller provided in the swinging rod mechanism is coupled with a driving frame to the screw and is chained The strip device makes it possible to clamp and fix the H-shaped steel up and down, and the inside of the brake drum is forced by the thrust of the auxiliary hydraulic cylinder to force the H-shaped steel to bend and slide; by the above components, the H-shaped steel can be produced during the bending process. The plastic deformation part is improved, and the feeding process is more stable and not easy to jump, thereby forming a more complete curved H-shaped steel material.
然而,上述結構複雜,使用操作不方便。緣是,創作人有鑑於此,秉持多年該相關行業之豐富設計開發及實際製作經驗,針對先前技術之缺失問題再予以研究改良,特提供一種型鋼整形機之預拱與滾彎結構,以期達到更佳實用價值性之目的者。 However, the above structure is complicated and the operation is inconvenient. The reason is that the creators have made a lot of research and development and practical production experience in the relevant industries for many years, and then researched and improved the lack of prior technology, and provided a pre-arching and rolling structure of the steel shaping machine in order to achieve The purpose of better practical value.
本創作之主要目的係在於提供一種型鋼整形機之預拱與滾彎結構,尤其是指一種可將型鋼微量彎弧形呈拱型的預拱機構,藉以可漸進式調整抵壓深度,而讓型鋼逐漸彎弧,達到型鋼預拱功效為目的者。 The main purpose of this creation is to provide a pre-arching and rolling structure of a profiled steel shaping machine, in particular to a pre-arching mechanism capable of arching a curved shape of a profiled steel, thereby gradually adjusting the pressing depth, and The steel is gradually curved and the purpose of the pre-arching effect of the steel is to be achieved.
本創作型鋼整形機之預拱與滾彎結構的目的與功效係由以下之技術所實現:其主要於機台上方之兩側壁間設有一預拱機構,其主要於側壁上設有一滑軌座,該滑軌座供一活動座滑動位移,該活動座上設有一腹板輔助導輪,兩相對的腹板輔助導輪對應抵壓型鋼中柱,而於上方固設一動力源,該動力源驅動一壓彎導輪對應抵壓於型鋼上橫板;藉此,以逐漸下降的壓彎導輪對應抵壓型鋼,同時配合型鋼反復來回導入、導出的動作,達到將型鋼預拱的作業程序者。 The purpose and function of the pre-arching and rolling structure of the steel forming machine of the present invention is achieved by the following technology: a pre-arching mechanism is mainly arranged between the two side walls above the machine table, and a sliding rail seat is mainly arranged on the side wall. The slide rail seat is provided with a sliding displacement of a movable seat. The movable seat is provided with a web auxiliary guide wheel, and the two opposite web auxiliary guide wheels are correspondingly pressed against the steel column, and a power source is fixed on the movable body. The source driving and the bending guide wheel are correspondingly pressed against the upper horizontal plate of the profile steel; thereby, the pressing and bending guide wheel corresponding to the gradual decrease corresponds to the pressing type steel, and the steel is repeatedly introduced and exported back and forth to achieve the pre-arching operation of the profile steel. Programmer.
如上所述之型鋼整形機之預拱與滾彎結構,其中該滑軌座中央設有一齒條,該齒條供一齒桿件嚙合,且該齒桿件對應穿組固定於活動座上,以當轉動齒桿件,讓該齒桿件相對齒條而位移,進而驅使活動座於滑軌座上位移者。 The pre-arching and rolling structure of the steel shaping machine as described above, wherein a center of the sliding rail seat is provided with a rack, the rack is engaged by a rack member, and the rack member is fixed to the movable seat corresponding to the wearing group. When the rack member is rotated, the rack member is displaced relative to the rack, thereby driving the movable seat to be displaced on the rail seat.
如上所述之型鋼整形機之預拱與滾彎結構,其中於機台兩側壁間設有一拱架,該拱架對應組設動力源,於動力源出力軸端連結組設一連接座,該連接座底部具有開口端,而兩側對應貼抵在滑軌座上,再於連接座上樞組一壓彎導輪,以讓該動力源驅動推使連接座位移時,讓該壓彎導輪可對應抵壓型鋼上橫板而進行預拱者。 The pre-arching and rolling structure of the steel shaping machine as described above, wherein an arch frame is arranged between the two side walls of the machine frame, the arch frame is provided with a power source, and a connecting seat is connected to the power source output shaft end. The bottom of the connecting seat has an open end, and the two sides are correspondingly attached to the sliding rail seat, and then a bending guide wheel is pivoted on the connecting seat to allow the power source to drive and push the connecting seat to displace the bending guide. The wheel can be pre-arched corresponding to the transverse plate on the steel.
如上所述之型鋼整形機之預拱與滾彎結構,該齒桿件利用手輪調整上下位移距離者。 The pre-arching and rolling structure of the steel shaping machine as described above, wherein the rack member adjusts the upper and lower displacement distance by using the hand wheel.
由上述之元件組成與實施說明可知,本創作與現有結構相較之下,本創作具有以下之優點: It can be seen from the above components and implementation description that this creation has the following advantages compared with the existing structure:
1.本創作之型鋼整形機之預拱與滾彎結構,藉由利用漸進式調整抵壓型鋼頂部上橫板的設置,達到將型鋼彎弧預拱的完美功效者。 1. The pre-arching and rolling structure of the steel shaping machine of the present invention achieves the perfect function of pre-arching of the profiled steel by utilizing the progressive adjustment of the setting of the transverse plate on the top of the steel.
2.本創作之型鋼整形機之預拱與滾彎結構,藉由腹板輔助導輪的設置,能對應抵壓在型鋼中柱處,以能輔助壓彎導輪進行預拱動作者。 2. The pre-arching and rolling structure of the profiled steel shaping machine of this creation can be correspondingly pressed against the middle column of the steel section by the setting of the auxiliary guide wheel of the web, so as to assist the bending guide wheel to carry out the pre-arching.
本創作: This creation:
(1)‧‧‧機台 (1)‧‧‧ Machines
(2)‧‧‧預拱機構 (2) ‧ ‧ pre-arch mechanism
(21)‧‧‧滑軌座 (21)‧‧‧Slide rail seat
(211)‧‧‧齒條 (211)‧‧‧ racks
(22)‧‧‧活動座 (22) ‧‧‧ activity seat
(221)‧‧‧齒桿件 (221)‧‧‧ toothed parts
(23)‧‧‧腹板輔助導輪 (23)‧‧‧ web auxiliary guide wheel
(24)‧‧‧拱架 (24)‧‧‧Architecture
(25)‧‧‧動力源 (25) ‧‧‧Power source
(26)‧‧‧連接座 (26)‧‧‧Connecting Block
(27)‧‧‧壓彎導輪 (27)‧‧‧Bending guide wheel
(3)‧‧‧定位機構 (3) ‧ ‧ positioning mechanism
(31)‧‧‧翼板導輪 (31)‧‧‧wing guide wheels
(4)‧‧‧主傳動輪 (4) ‧‧‧ main drive wheel
(5)‧‧‧腹板導輪 (5) ‧‧‧ web guide wheels
(6)‧‧‧延伸台 (6) ‧‧‧Extension
(61)‧‧‧調整部 (61) ‧ ‧ Adjustment Department
(62)‧‧‧輪座 (62) ‧ ‧ wheel seat
(A)‧‧‧型鋼中柱 (A) ‧‧‧ steel column
(B)‧‧‧型鋼上橫板 (B) ‧‧‧ steel upper cross plate
(C)‧‧‧型鋼下橫板 (C) ‧‧‧ steel under the horizontal plate
第一圖:本創作之整體外觀示意圖 The first picture: the overall appearance of the creation
第二圖:本創作之預拱機構分解示意圖 The second picture: the decomposition of the pre-arch mechanism of this creation
第三圖:本創作之預拱機構局部組合示意圖 The third picture: the partial combination diagram of the pre-arch mechanism of this creation
第四圖:本創作之實施例組合示意圖 The fourth picture: a schematic diagram of the combination of the embodiments of the present creation
第五圖:本創作之實施例下壓示意圖 Figure 5: Schematic diagram of the implementation of this creation
為令本創作所運用之技術內容、創作目的及其達成之功效有更完整且清楚的揭露,茲於下詳細說明之,並請一併參閱所揭之圖式及圖號: 首先,請參閱第一~三圖所示,為本創作之型鋼整形機之預拱與滾彎結構之立體外觀示意圖,其主要於機台(1)上方之兩側壁間設有一預拱機構(2),其中該預拱機構(2)包含有:設置在機台(1)側壁上的滑軌座(21),該滑軌座(21)上設有一活動座(22),該活動座(22)能於滑軌座(21)上滑動位移,再於該活動座(22)前端設有一腹板輔助導輪(23),該腹板輔助導輪(23)對應抵壓於型鋼中柱(A)處,再於兩側壁間設有拱架(24),於拱架(24)上固設一動力源(25),該動力源(25)出力軸端連結組設一連接座(26),該連接座(26)底部具有開口端,而兩側對應貼抵在滑軌座(21)上,再於連接座(26)上樞組一壓彎導輪(27),該壓彎導輪(27)抵壓型鋼上橫板(B)而進行預拱者。 In order to make the technical content, creative purpose and the effect achieved by this creation more complete and clear, please elaborate below, and please refer to the drawings and drawings: First of all, please refer to the first to third figures, which is a three-dimensional appearance of the pre-arching and rolling structure of the steel shaping machine of the present invention, which is mainly provided with a pre-arc mechanism between the two side walls above the machine table (1) ( 2), wherein the pre-arching mechanism (2) comprises: a sliding rail seat (21) disposed on a side wall of the machine platform (1), the sliding rail seat (21) is provided with a movable seat (22), the movable seat (22) slidable displacement on the rail seat (21), and a web auxiliary guide wheel (23) at the front end of the movable seat (22), the web auxiliary guide wheel (23) correspondingly pressed against the section steel At the column (A), there is an arch frame (24) between the two side walls, and a power source (25) is fixed on the arch frame (24), and the power source (25) is connected to the shaft end to form a connecting seat. (26), the bottom of the connecting seat (26) has an open end, and the two sides are correspondingly attached to the sliding rail seat (21), and then a bending guide wheel (27) is pivotally disposed on the connecting seat (26). The bending guide roller (27) is pressed against the steel upper cross plate (B) to perform pre-arching.
進一步該滑軌座(21)中央設有一齒條(211),該齒條(211)供一齒桿件(221)嚙合,且該齒桿件(221)對應穿組固定於活動座(22)上,以當轉動齒桿件(221),讓該齒桿件(221)相對齒條(211)而位移,進而驅使活動座(22)於滑軌座(21)上位移者。 Further, a center of the slide rail seat (21) is provided with a rack (211) for engaging a rack member (221), and the rack member (221) is fixed to the movable seat corresponding to the wear group (22). In order to rotate the rack member (221), the rack member (221) is displaced relative to the rack (211), thereby driving the movable seat (22) to be displaced on the rail seat (21).
於實際實施操作時,請參閱第一~五圖所示,首先,本創作之整型機主要包含有定位機構(3)、主傳動輪(4)及腹板導輪(5)的結構技術〔已於先前提出申請獲准〕,故於此不再加以墜述;而本創作之型鋼整形機中的預拱機構其主要有包含針對型鋼下 橫板(C)抵壓的預拱機構〔已於先前提出申請獲准〕及針對型鋼上橫板(B)抵壓的預拱機構,於此僅針對抵壓型鋼上橫板(B)的預拱機構進行說明。 In the actual implementation, please refer to the first to fifth figures. First of all, the original shaping machine of this creation mainly includes the structural technology of the positioning mechanism (3), the main transmission wheel (4) and the web guide wheel (5). [has been approved in the previous application], so it will not be described here; and the pre-arch mechanism in the steel shaping machine of this creation mainly includes under the steel The pre-arching mechanism for the cross-plate (C) compression (previously approved in the previous application) and the pre-arc mechanism for the transverse plate (B) of the steel profile, only for the pre-stress of the cross-section steel (B) The arch mechanism is explained.
其該預拱機構(2)主要設置在機台(1)兩側壁間的位置處;當型鋼欲作預拱作業時,係讓型鋼由一側的定位機構(3)進入機台(1),再經由翼板導輪(31)定位後,再由腹板導輪(5)夾持型鋼中柱(A),此時之預拱機構(2)係位於主傳動輪(4)上方,而對應型鋼上橫板(B)位置處。 The pre-arc mechanism (2) is mainly disposed at a position between the two side walls of the machine table (1); when the profile steel is to be used for pre-arching, the profile steel is introduced into the machine table by the positioning mechanism (3) on one side (1) After being positioned by the wing guide wheel (31), the profiled steel column (A) is clamped by the web guide wheel (5), and the pre-arc mechanism (2) is located above the main transmission wheel (4). And corresponding to the steel plate on the horizontal plate (B) position.
接著,讓該活動座(22)經由手輪調整齒桿件(221),讓齒桿件(221)相對齒條(211)位移而調整活動座(22)上下位置,以能讓腹板輔助導輪(23)對應抵壓於型鋼中柱(A)處,之後,再讓該動力源(25)驅動連接座(26)位移,而因連接座(26)兩端分別貼抵在滑軌座(21)上,能藉由滑軌座(21)而移動,當連接座(26)移動而帶動壓彎導輪(27)位移,該壓彎導輪(27)則對應抵壓於型鋼上橫板(B)處,此時,該主傳動輪(4)在對應下壓抵掣型鋼下橫板(C);藉此,以逐漸下降的壓彎導輪(27)對應抵壓型鋼上橫板(B),同時配合型鋼反復來回導入、導出的動作,達到將型鋼預拱的作業程序者。 Then, the movable seat (22) adjusts the rack member (221) via the hand wheel, and displaces the rack member (221) relative to the rack (211) to adjust the upper and lower positions of the movable seat (22), so that the web can be assisted. The guide wheel (23) is correspondingly pressed against the steel column (A), and then the power source (25) is driven to drive the connecting seat (26), and the two ends of the connecting seat (26) are respectively attached to the sliding rail. The seat (21) can be moved by the rail seat (21), and when the connecting seat (26) moves to drive the displacement of the bending guide wheel (27), the bending guide wheel (27) is correspondingly pressed against the section steel. At the upper horizontal plate (B), at this time, the main transmission wheel (4) is pressed against the lower steel plate (C) correspondingly; thereby, the pressure-reducing guide wheel (27) corresponding to the gradually decreasing pressure bending steel The upper horizontal plate (B) is combined with the steel to repeatedly introduce and export the steel to achieve the pre-arching operation of the steel.
最後,請參閱第一圖所示,在型鋼入料的定位機構(3)前設有一延伸台(6),該延伸台(6)兩側設有調整部(61), 於兩調整部(61)間設有一組輪座(62),該輪座(62)可於延伸台(6)之調整部(61)上位移調整組設位置;當於使用時,該輪座(62)係可依據型鋼大小或需壓彎曲度而作位置調整,以能符合所需彎曲的預拱弧度;另外,該輪座(62)可因應需壓彎曲度而作高度調整,其係於延伸台(6)之調整部(61)與輪座(62)之間設有墊片[圖中未示],以利用增減墊片的設計,達到預拱功效。 Finally, as shown in the first figure, an extension table (6) is arranged in front of the positioning mechanism (3) for the steel feeding, and an adjustment portion (61) is arranged on both sides of the extension table (6). A set of wheel bases (62) is disposed between the two adjusting portions (61), and the wheel seats (62) can be displaced and adjusted on the adjusting portion (61) of the extending table (6); when in use, the wheel The seat (62) can be adjusted according to the size of the steel or the required bending curvature to meet the pre-arc curvature of the required bending; in addition, the wheel seat (62) can be adjusted according to the required bending degree, A gasket (not shown) is disposed between the adjusting portion (61) of the extension table (6) and the wheel base (62), so as to achieve the pre-arching effect by using the design of the increasing or decreasing gasket.
然而前述之實施例或圖式並非限定本創作之產品態樣、結構或使用方式,任何所屬技術領域中具有通常知識者之適當變化或修飾,皆應視為不脫離本創作之專利範疇。 However, the above-described embodiments or drawings are not intended to limit the product, the structure, or the use of the present invention. Any changes or modifications of the ordinary skill in the art should be considered as not departing from the scope of the invention.
由上述之元件組成與實施說明可知,本創作與現有結構相較之下,本創作具有以下之優點: It can be seen from the above components and implementation description that this creation has the following advantages compared with the existing structure:
1.本創作之型鋼整形機之預拱與滾彎結構,藉由利用漸進式調整抵壓型鋼頂部上橫板的設置,達到將型鋼彎弧預拱的完美功效者。 1. The pre-arching and rolling structure of the steel shaping machine of the present invention achieves the perfect function of pre-arching of the profiled steel by utilizing the progressive adjustment of the setting of the transverse plate on the top of the steel.
2.本創作之型鋼整形機之預拱與滾彎結構,藉由腹板輔助導輪的設置,能對應抵壓在型鋼中柱處,以能輔助壓彎導輪進行預拱動作者。 2. The pre-arching and rolling structure of the profiled steel shaping machine of this creation can be correspondingly pressed against the middle column of the steel section by the setting of the auxiliary guide wheel of the web, so as to assist the bending guide wheel to carry out the pre-arching.
綜上所述,本創作實施例確能達到所預期之使用功效,又其所揭露之具體構造,不僅未曾見諸於同類產品中,亦未曾公開於申請前,誠已完全符合專利法之規定與要求,爰依法提出新型專利之 申請,懇請惠予審查,並賜准專利,則實感德便。 In summary, the present embodiment can achieve the expected use efficiency, and the specific structure disclosed therein has not been seen in similar products, nor has it been disclosed before the application, and has fully complied with the provisions of the Patent Law. And request, 提出 propose new patents according to law If you apply, please give us a review and grant a patent.
(1)‧‧‧機台 (1)‧‧‧ Machines
(2)‧‧‧預拱機構 (2) ‧ ‧ pre-arch mechanism
(21)‧‧‧滑軌座 (21)‧‧‧Slide rail seat
(211)‧‧‧齒條 (211)‧‧‧ racks
(22)‧‧‧活動座 (22) ‧‧‧ activity seat
(221)‧‧‧齒桿件 (221)‧‧‧ toothed parts
(23)‧‧‧腹板輔助導輪 (23)‧‧‧ web auxiliary guide wheel
(24)‧‧‧拱架 (24)‧‧‧Architecture
(25)‧‧‧動力源 (25) ‧‧‧Power source
(26)‧‧‧連接座 (26)‧‧‧Connecting Block
(27)‧‧‧壓彎導輪 (27)‧‧‧Bending guide wheel
Claims (4)
Priority Applications (1)
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TW104201222U TWM511380U (en) | 2015-01-26 | 2015-01-26 | Cambering and roll bending structure of shape steel shaper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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TW104201222U TWM511380U (en) | 2015-01-26 | 2015-01-26 | Cambering and roll bending structure of shape steel shaper |
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Publication Number | Publication Date |
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TWM511380U true TWM511380U (en) | 2015-11-01 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115213272A (en) * | 2022-06-23 | 2022-10-21 | 无锡市通合机械有限公司 | A quick change type purlin device for C shaped steel structure building |
TWI819740B (en) * | 2022-08-09 | 2023-10-21 | 葳盛精密工業有限公司 | Shaping and pre-arch mechanism for steel profile |
-
2015
- 2015-01-26 TW TW104201222U patent/TWM511380U/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115213272A (en) * | 2022-06-23 | 2022-10-21 | 无锡市通合机械有限公司 | A quick change type purlin device for C shaped steel structure building |
CN115213272B (en) * | 2022-06-23 | 2023-07-14 | 无锡市通合机械有限公司 | Quick-change purline device for C-shaped steel structure building |
TWI819740B (en) * | 2022-08-09 | 2023-10-21 | 葳盛精密工業有限公司 | Shaping and pre-arch mechanism for steel profile |
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