201040346 J 六、發明說明： 【發明所屬之技術領域】 本發明有關一種具有相形縫匆機台的雙線鏈式線跡 (二重環縫）縫紉機。 【先前技術】201040346 J VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a two-wire chain stitch (double loop stitch) sewing machine having a phase-stitching machine. [Prior Art]
Ο 箱形機台雙線鏈式線跡縫紉機是工業用縫紉機的一種 形式。該縫紉機具有箱形縫紉機台，箱形縫紉機台在針板 的兩側具有平坦的上表面。縫紉機台的平坦的上表面，在 針板的兩側支持縫製布料，從而減輕了作業者扶住縫製中 的布料的勞動。因1^ ’箱形機台雙線鏈式線跡縫紉機很適 用於縫製大塊的縫製布料。一部分箱形機台雙線鏈式線跡 縫紉機’在比針板更外端側，縫紉機台為具有平坦上表面 的筒形。這種缝幼機稱作中筒式箱形機台雙線鏈式線跡縫 作為工業用縫紉機的另 媿 ^ 、啕 '-挪八卞璲縫紉 缝勿機’在縫勿機架的下部具有向一方向延伸的 不二！縫匆機台，在縫初機架的上部具有向與縫切機台 褲（Br.°=伸的縫切機臂。曲腕式平縫縫初機例如用於内 這種合：，將等的稽部以下部位_ 重疊，送到=片布料的邊緣以預定的寬度上下 間而進行。上的針板與下降到該針板上的壓腳之 本特公平7-57272號公報（已審定日本專利公告n〇. 3 201040346 (1 995 ))中所記載的曲腕式平縫縫紉機，呈有設 置了刀裝置的特殊的壓腳。該壓腳，具有壓腳本體和、2根 腳本體在針板上進行下降，與該針板之間夹持縫 裝布料。2根壓爪在慶腳本體的前方互相平行地延伸。刀 裝置包括安裝在一邊塵爪中的固定刀（Fixed Knife)和安 裝在另―邊麼爪中的可動刀（MovableKrdfe)。固定刀與 可動刀，在突出在2根屋爪之間的端部具有切刀。切刃： 洛針位置（針下降的位置）之前相對置。 可動刀通過來自縫訪機臂内部的傳動而進行往返運 動，與固定刀擦接。可動刀容歧或立、 < 返運 動刀女裝為一部分突出到壓爪的 側’該突出部分與來自縫切機臂内部的傳動機構連接。 乍業者將要縫合的縫製布料的邊緣對合起來在立 針板上的狀態下送到？袖 一 個壓爪之間。縫製布料的邊緣到達 固定刀與可動刀的捧接 傺接位置而被切齊。壓腳本體將切嵌τ 的布料邊緣上下重疊傳送到落針位置上。使用該縫_的 作業者，不需要手工作業來進行重疊宽产的調整、 县妯u 士砝— 1丁里且見度的凋整，能夠容 易地u大致n縫合寬度進行合縫。 這種合縫也在14 ，、他开ν式的縫紉機中實施。箱形雔 線鏈式線跡縫匆機中，如此 σ又 地支持縫製布料，因此 上穩疋 口此以别一般由作業者的手工 板的前方進行重疊寬声 ’、針 度的調整，實施合縫。所以存在从 業者的熟練程度不同，—Λ 乍 J 疋成狀態有差別的問題。 該問題通過安梦曲 裝曲腕式平縫縫紉機中具備的帶刀裝罢 的壓腳能夠解決。作β μ 刀裝置 疋，相形機台雙線鏈式線跡縫紉機， 201040346 如前所述，為支援大塊的縫製布料，縫切機台具有在針板 的兩側擴展的平坦上表面。而曲腕式平縫縫幼機中且備的 帶刀裝置的壓腳，如前所述’具有在麼腳的一側伸出的可 動刀，該伸出部分與傳動機構連接。因此，在將該壓腳應 用=箱形機台雙線鏈式線跡縫切機時，可動刀的傳動機構 在靠近箱形機台的上表面處進行動作。 Ο 〇 而縫製作業中的作業者，—般來說，在壓腳兩側附近 用手壓住縫製布料，向荖僖接 h 向者傳24方向推壓，由此來輔助縫製 布料的傳送。這種傳送輔助 ^ M . m 相7^俄口雙線鏈式線跡縫 、，機斤處理的大塊縫製布料的縫製作f中特別重要。 因此，在箱形機台雙線鏈式線跡縫幼機中採用帶刀裝 置的壓腳時，壓腳的一側， r τ動刀的傳動機構進行動作， 堅腳的另一側，固定刀的一部威 |刀伸出，因此报難實施前述 的傳k輔助，有可能給縫製作業帶來障礙。 —另#面，作業者也可以使用曲腕式平縫縫匆機來進 行大塊縫製布料的合縫。但是， Μ 式千縫·縫劫機具有窄 =_縫、4機自’在進行大塊 嬙A # g07 σ縫時，縫紉 機口對縫製布料的支持不夠，很難實施良好的縫製作業。 【發明内容】 本發明是鑒於上述狀況而做出的，目的是提 :機台雙線鏈式線跡㈣機，具備帶有切齊縫製布= 緣的刀裝置的Μ腳’從而無論作業者的熟練程度 = 夠實施狀態良好的人铋 ^ 可都月fc* 民好的合縫，並且不會對壓腳兩側作業者所實 5 201040346 施的傳送輔助作業帶來障礙。 本毛明的I目形機台雙線鏈式線跡縫 用來在針柘的宫洛^括·具有 的箱形縫：T兩側置載縫製布料的平坦的上表面 …刃機口、被該縫紉機臺上方的縫紉機臂所去桩 -下的針桿與壓桿、分別安裝在該’而 和㈣、以及設置在上述針…的上述==的針 =送機構與彎針，上述㈣與上述㈣一起; =針板上’被上述料機構施加了上述 傳送的縫製布料，由與上述針桿共同上下運動的長=的 以及以盥上诚值7十人T J上述針’ 、Xt 4專k方向平行的支軸為中心沿上 表面擺動的上述彎針進行 、 肚里 '、甲上述壓腳還具有刀 該刀裝置具有沿著上述針板的上表面在與上述傳送 °父叉的方向往返運動的可動刀， 的固定刀。 』動刀擦接 本枭月中，在針板上壓住縫製布料的壓腳中一 =定刀和可動刀的刀裝置，因此能夠以良好的：質； 、 計的°、縫1^不會依賴於作業者的熟練程度。 並且’本發明的箱形機台雙線鍵式線跡縫匆機，其特 =於’上述縫'_台的上表面’構成為在上述針板的寬 又方向的一側或兩側低於該針板的上表面。 =發明中’箱形機台的上表面在針板的一側或兩側比 、上表面低，破保箱形機台的上表面與伸出到壓腳外 隙^動刀的伸出部分之間的縫隙。作業者能夠利用該縫 ，、益腳附近用手來輔助縫製布料的傳送，從而能夠良好 201040346 地實施大塊的縫製布料的合縫。 亚且，本發明的箱形機台雙線鏈式線跡縫紉機，其特 徵在於’上述縫匆機台的上表面與±述針板的上表面，在 上述針板的兩料過避開與上述料的擺動區域之間的干 涉而設置的階梯部相連續。 本發明中，針板的上表面與箱形機台的上表面通過階 梯部而平滑地連續。階梯部避開彎針的擺動區域而設置，箱 Box-shaped machine The double-line chain stitch sewing machine is a form of industrial sewing machine. The sewing machine has a box-shaped sewing machine table having a flat upper surface on both sides of the needle plate. The flat upper surface of the sewing machine supports the sewing of the fabric on both sides of the needle plate, thereby reducing the labor for the operator to hold the fabric in the sewing. Because the 1^ ‘box machine double-chain chain stitch sewing machine is suitable for sewing large pieces of sewing fabric. A part of the box-shaped machine has a double-chain chain stitch. The sewing machine' is on the outer end side of the needle plate, and the sewing machine table has a cylindrical shape with a flat upper surface. This type of sewing machine is called a double-chain chain stitch in the middle cylinder type machine. It is used as an alternative sewing machine for industrial sewing machines. 啕'-Norse Eight 卞璲 sewing sewing machine is not in the lower part of the sewing frame. Extend in one direction! Weaving the rush machine, in the upper part of the initial frame of the seam, there is a pair of slitting machine pants (Br. ° = stretch sewing machine arm. The curved wrist flat seam sewing machine, for example, is used internally: The following parts of the subsections are overlapped, and the edges of the fabrics are sent to the edge of the fabric at a predetermined width. The upper needle plate and the presser foot that is lowered onto the needle plate are in accordance with the Japanese Patent Publication No. 7-57272 (already The curved wrist-type flat sewing machine described in Japanese Patent Publication No. 3 201040346 (1 995 )) has a special presser foot provided with a knife device. The presser foot has a script body and two scripts. The body is lowered on the needle plate, and the sewing cloth is clamped between the needle plate. The two claws extend parallel to each other in front of the script body. The knife device includes a fixed knife installed in one of the claws (Fixed Knife) And a movable knife (MovableKrdfe) installed in the other side of the claw. The fixed knife and the movable knife have a cutter at the end protruding between the two claws. The cutting edge: the position of the needle (the position where the needle is lowered) ) before the relative movement. The movable knife reciprocates through the transmission from the inside of the arm of the sewing machine, The knife is spliced. The movable knife can be folded or erected, and the sneakers are partially protruded to the side of the jaws. The protruding portion is connected with the transmission mechanism from the inside of the slitting machine arm. The sewing fabric to be sewn by the manufacturer The edge pairs are put together in the state of the vertical needle plate and sent to the sleeve between the claws. The edge of the sewing cloth reaches the position where the fixed knife and the movable knife are connected to each other and is cut. The fabric edge of τ is superimposed and transferred to the needle drop position. The operator who uses the seam _ does not need to do manual work to adjust the overlap and wide production, and the county 妯 砝 1 1 1 且 且It is easy to u sew the width of the stitching. This kind of splicing is also implemented in the sewing machine of the ,-type 。-type. The box-shaped 链 chain-chain stitching rushing machine, so σ again supports the sewing of the fabric, Therefore, it is not necessary to perform the overlap and wideness adjustment and the adjustment of the needle degree in the front of the operator's manual board. Therefore, there is a difference in the proficiency of the practitioner, and the state of the ΛJ 疋J is different. Problem The problem can be solved by the presser foot with the knife in the Anemon song-wound flat sewing machine. For the β μ knife device, the two-line chain stitch sewing machine for the phase machine, 201040346 Large piece of sewn fabric, the slitting machine has a flat upper surface that extends on both sides of the needle plate. The presser foot of the knife-mounted device in the curved wrist flat seam sewing machine is as described above. a movable knife extending from one side of the foot, the protruding portion being connected with the transmission mechanism. Therefore, when the presser foot is applied=box-shaped machine double-chain chain stitch slitting machine, the movable knife transmission mechanism is close to The upper surface of the box-shaped machine is operated. 作业 作业 The operator in the sewing operation, in general, presses the sewing fabric by hand near the sides of the presser foot, and pushes the direction in the direction of the h Pressing, thereby assisting in the transfer of the sewn fabric. This kind of transmission assists the M.m phase 7^Russian two-line chain stitch seam, and the sewing of the large piece of sewing fabric processed by the machine is particularly important. Therefore, when the presser foot with the knife device is used in the double-chain chain stitch sewing machine of the box-shaped machine, one side of the presser foot, the transmission mechanism of the r τ movable knife is operated, and the other side of the firming foot is fixed. One of the sturdy | knives extended, so it is difficult to implement the aforementioned transmission assistance, which may cause obstacles to the sewing operation. —The other #面, the operator can also use the curved wrist flat seam sewing machine to make the seam of the large sewing fabric. However, the 千 千 千 · 缝 具有 具有 具有 具有 具有 具有 具有 具有 具有 具有 具有 具有 具有 具有 具有 4 4 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a two-wire chain stitch (four) machine having a machine tool having a knife device with a slit cloth = edge, thereby making it possible for the operator. The proficiency of the person who is in good condition is good enough for the person who is in good condition, and the person who is in the state of the foot is fc*, and there is no obstacle to the transfer assisting work of the operator on both sides of the presser foot. This Maoming I mesh machine is equipped with a double-chain chain stitch for the box-shaped seam of the needle-shaped gong Luo. The flat upper surface of the sewing fabric is placed on both sides of the T... The needle bar and the pressure bar which are removed from the sewing machine arm above the sewing machine table are respectively attached to the 'and (4), and the needle=feeding mechanism and the curved needle provided in the above-mentioned needle..., the above (4) With the above (4); = on the needle plate 'the above-mentioned material mechanism applies the above-mentioned conveyed sewing fabric, the length of the movement up and down together with the needle bar = and the value of the 70-person TJ above the needle', Xt 4 The fulcrum that is parallel to the k-direction is centered on the upper surface of the curved needle, and the above-mentioned presser foot also has a knife. The knives have a knife along the upper surface of the needle plate and are transported with the above-mentioned parent fork. A fixed knife that moves in the direction of the movable knife. 』Move the knife to wipe the middle of the month, press the knife on the needle plate of the sewing fabric in the presser foot of the sewing fabric and the movable knife. Therefore, it can be good: quality; Will depend on the proficiency of the operator. And 'the box-shaped machine double-wire type stitch stitching machine of the present invention, the special upper surface of the above-mentioned slit'_stage is configured to be low on one side or both sides of the width and direction of the needle plate On the upper surface of the needle plate. In the invention, the upper surface of the box-shaped machine is lower than the upper surface of one or both sides of the needle plate, and the upper surface of the broken box-shaped machine table and the protruding portion protruding from the outer leg of the presser foot The gap between them. The operator can use the slit and the hand near the prosthetic foot to assist the conveyance of the sewn fabric, so that the seam of the large sewn fabric can be performed well in 201040346. Further, the box-shaped machine double-chain chain stitch sewing machine of the present invention is characterized in that 'the upper surface of the seam rushing machine table and the upper surface of the needle plate are separated from each other in the needle plate The step portions provided by the interference between the swing regions of the above materials are continuous. In the present invention, the upper surface of the needle plate and the upper surface of the box-shaped machine are smoothly continuous by the step portion. The step portion is provided to avoid the swinging region of the looper,
從而不會阻礙箱形機台内部進行的彎針的動作，能夠穩定 地支持大塊的縫製布料，執行合縫。 並且，本發明的箱形機台 徵在於具有：設置在上述縫紉 該刀振軸的反復轉動傳遞給上 往返運動的傳動機構。 雙線鏈式線跡縫紉機，其特 機臂内部的刀振軸，以及將 述可動刀，使該可動刀進行 〇 動機構傳遞給可動刀。設置在壓腳中的可動刀、 進行往返運動，將縫製布料的邊緣切齊，實施：二靠地 並且，本發明的箱形機台 义的。縫〇 ^^ 雙線鍵式線跡縫切機，且特 徵在於，上述傳動機構具# :傳動筒， /、特 上述縫紉機臂的下部並被支持，内嵌保 向上貫通 的下部的支持襯套；以及傳動連接件，、向肖上述壓桿 臂内部的上述傳動筒的上部傳遞上述刀=於上述縫初機 在伸出到上述縫匆機f的外部的上述傳動=反，轉動’ 上述可動刀的安裝座。 同、下部，設有 本發明中，將刀振抽的反復轉動傳遞給可動刀的傳動 7 201040346 機構，具有兼用作壓桿的支持部件的傳動筒，能夠通過簡 單的結構來實現從_射内部的刀振軸向縫_臂外部 的可動刀的傳動。 通過對照附圖閱讀以下敍述的詳細說明，將會更加理 解本發明的目的以及創新特徵。 【實施方式】 下面對照附圖對本發明的實施形態進行詳細說明 1為表示本發明的箱形機台雙線鏈式線跡縫初機的外 立體圖。以下的說明中使“ 、 "的“上… 下和左、右”，為圖 、下和左、右’，。另外’以下的說明中 的紙面外側稱作“前”，圖〗沾试二^ 圖1 圖1的紙面晨側稱作“後，，。 圖1所示的箱形機a雔 雙線鏈式線跡縫紉機，具有縫知 機口 1、腳柱2、以及绦έ她 縫、，刀 有平“主 縫劫機臂3。縫初機台1為箱形，具 有十垣的上表面20。腳虹0, 具 认各 腳柱2大致垂直地豎立在縫 的右側端部。縫紉機臂q 機口 1 f 3從腳柱2的上端部向 縫初機台1的上表面20 t伸’與 ΑΙ.^ 〇Λ 订。縫纟刀機臂3的末端部支梏 針+干3 0與壓桿31。 又将有 縫紉機臂3的内部古 r支持有能夠上下運動的針桿為 才干3〇隨著設置在缝紉機 干30。針 略、沾* 穿3内口P的針桿驅動機構（圖 略）的動作而上下運動Μ圖不省 φ 力， 卞杯30向者縫紉機臂3的+ 出。針桿30的伸出端邮 妁下方伸 Α Λ 通過針固定器40安裝有夕4 4，4..·。多根針4，4..·ρ、… 女衮有多根對 降。 4著針桿30的上下運動而上升 201040346 广旱在針桿30的後方向縫初機臂3的下方伸出， 2 31的伸出端部安裝有壓腳5^腳5具有後述的結構。 杯’皮縫切機臂3的内部支持，能夠上下運動。壓桿 μ通過作業者的操作而在上下方向上移動，隨著壓 桿31的上下運動而上升下降。 縫劫機台1的上表面20中，與針4’ 4...以及壓腳5 的下降位置相對應地安裝有針板2為針板10的安 Ο 〇 ^狀態的說明圖。針板1Q如圖2所示，為在前後方向上較 長的矩形平板，通過多個（只圖示出2個）止動螺絲…， l〇a…可拆卸地安裴在安裝台n ^ ^ , L 文衮〇11固定在縫紉 機°1上。針板1(3的前邊緣巾，在寬度方向（左右方向） 的中央處形成有矩形的缺口部12。 位置1=裝！11中’在與針板10的缺口部12相匹配的 °又凹部12a。凹部12a比缺口 12寬，與引導 片14相卡和。凹部心的底面設有螺孔，通過將與該螺孔 相螺合的螺絲15從下向上壓人到針板1G的底面，而 導安裝片14 g]定在缺口部12的下方。引導安裝片^具 前後排_ 2個螺孔。通過與上述螺孔分別螺合的止動^ 絲1 7 , 1 7 ,將布料引導！ 6固定在引導安' 、月丨4上。布料 引導16是平板狀的部件，被配置為從止動螺 固定位置向後延伸，在針板1〇的上表面的宽户方，7的 相對於該上表面垂直立起。 X 向中央處 針板1〇中形成有送齒孔13,13..·。送齒孔m 是長邊位於前後方向上的窄矩形開口，在針板iq的左右兩· 9 201040346 側分開’各設有P如 、 ❶送齒孔1 3，1 3…机署ϋ m + ± 縫紉機台1内部運 °又置為用來使得在 ，建動的送齒伸出。误\ 即通過縫紉機A 7 h 运ω具有公知的結構， 内部的傳送機樯的勒ι於 與上下運動組合而# ，動作，進行前後運動 過各個送齒孔13，k齒在向上運動時經 13’··伸出到針板1()的上 之後向下運動向前移 方向後移動， 向針板10上的縫製布粗^仃重複運動。通過該動作， 送。 ’不名略）施加向後的間歇性傳 圃Therefore, the operation of the looper performed inside the box-shaped machine is not hindered, and the large-sized sewing fabric can be stably supported, and the joint can be performed. Further, the box-shaped machine of the present invention has a transmission mechanism that is provided in the above-described sewing and reciprocating rotation of the blade shaft to the upper and lower movement. The two-line chain stitch sewing machine has a blade shaft inside the special arm and a movable blade that transmits the movable blade to the movable blade. The movable knife provided in the presser foot is reciprocated to cut the edge of the sewn fabric, and the two sides are grounded and the box-shaped machine of the present invention is defined. 〇 〇 ^^ Two-line key stitch sewing machine, and characterized in that the transmission mechanism has a #: drive cylinder, /, the lower part of the sewing machine arm is supported, and the lower support bushing is inserted in the upward direction And a transmission connecting member, transmitting the knife to an upper portion of the driving cylinder inside the pressing lever arm; the transmission is reversed to the outside of the seaming machine f Knife mount. In the same and lower part, in the present invention, the transmission of the knife vibration is transmitted to the transmission of the movable blade 7 201040346 mechanism, and the drive cylinder which also serves as a support member for the pressure bar can be realized by a simple structure. The knife is axially slotted. The drive of the movable knife outside the arm. The objects and innovative features of the present invention will become more apparent from the written description of the appended claims. [Embodiment] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Fig. 1 is an external perspective view showing a double-chain chain stitch stitching machine of the box-shaped machine of the present invention. In the following description, "upper, lower, left, and right" of ", " are for the figure, lower, left, and right'. In addition, the outer side of the paper in the following description is called "front". 2^ Figure 1 The morning side of the paper on the map is called "after,. The box-shaped machine a雔 double-line chain stitch sewing machine shown in Fig. 1 has a sewing machine mouth 1, a foot column 2, and a quilting seam, and the knife has a flat main seam hijacking arm 3. The sewing machine is started. 1 is box-shaped and has an upper surface 20 of ten feet. The foot rainbow 0 has a standing pole 2 standing substantially perpendicularly at the right end of the slit. The sewing machine arm port 1 f 3 is from the upper end of the foot column 2 The upper surface 20 t of the initial machine 1 is stretched and ΑΙ.^ 。. The end of the boring cutter arm 3 is supported by the needle + the stem 30 and the pressure lever 31. The inner portion of the sewing machine arm 3 will be r Supports a needle bar that can move up and down as a tool. 3 〇 设置 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫 缝纫Force, the cup 30 is the + out of the sewing machine arm 3. The protruding end of the needle bar 30 is extended below the Α Λ It is installed by the needle holder 40 4 4, 4..·. Multiple needles 4, 4. .·ρ,... There are many pairs of female nieces. 4 The up and down movement of the needle bar 30 rises 201040346 The wide drought extends below the initial arm 3 of the needle bar 30, and the extended end of the 2 31 Mounted with presser foot 5^foot 5 The inside of the cup's slitting machine arm 3 can be moved up and down. The pressing rod μ moves in the vertical direction by the operator's operation, and rises and falls with the vertical movement of the pressing rod 31. In the upper surface 20 of the table 1, an illustration of the state in which the needle plate 2 is the needle plate 10 is attached in correspondence with the lower positions of the needles 4'4... and the presser foot 5. The needle plate 1Q is as shown in the figure. 2, for a rectangular flat plate that is long in the front-rear direction, through a plurality of (only two) stop screws..., l〇a... detachably mounted on the mounting table n ^ ^ , L Wen Hao The crucible 11 is fixed to the sewing machine ° 1. The front edge of the needle plate 1 (3) is formed with a rectangular notch portion 12 at the center in the width direction (left-right direction). Position 1 = loading! 11 in the 'with the needle plate 10 The notch portion 12 is matched with the recessed portion 12a. The recessed portion 12a is wider than the notch 12 and is engaged with the guide piece 14. The bottom surface of the concave portion is provided with a screw hole through which the screw 15 screwed to the screw hole is Pressing up to the bottom surface of the needle plate 1G, and guiding the mounting piece 14 g] is positioned below the notch portion 12. Guide the mounting piece to the front and rear rows _ 2 The screw hole is guided by the stopper wire 1 7 , 1 7 which is screwed to the screw hole, respectively, and is fixed on the guide ampere and the cymbal 4. The cloth guide 16 is a flat member and is configured as Extending rearward from the fixed position of the stop screw, the wide side of the upper surface of the needle plate 1〇, 7 is vertically raised with respect to the upper surface. X is formed with a feed hole 13 in the center pin plate 1 ..·. The perforation hole m is a narrow rectangular opening with the long side in the front-rear direction, and is separated from the left and right sides of the needle plate iq on the side of the 2010/0 201040346. Each of them is provided with P, and the perforated hole 13 3,1 3... Department ϋ m + ± Sewing machine 1 internal transport is also used to make the moving teeth extend. Errors, that is, through the sewing machine A 7 h, the ω has a well-known structure, the internal conveyor 樯 is combined with the up and down movement and #, the action is performed to move back and forth through the respective feed holes 13, and the k teeth move upwards. After the protrusion of the needle plate 1 (), the downward movement moves forward and then moves, and the sewing cloth on the needle plate 10 is repeatedly moved. By this action, send. 'No name', applying intermittent backward transmission
I π 31 ^ ,顯示出了塵腳5與針4,4..·。屢腳5在因I π 31 ^ , showing the dust foot 5 and the needle 4, 4..·. Repeated foot 5 in cause
壓才干1的向下ά軍叙Α m^ M 上，盥节針柘in 時，如圖所示，重疊在針板10 一亥針板1〇之間夾住縫製布料1腳5具 桿31的下端的壓腳太 疋在愚 挪的壓腳本體50，和2個壓爪51、52。壓、 52在屢聊本體5〇的5却μ丄 ^ °卩的左右兩側向前方平行地延伸。 Κ 52在Μ腳本體5G的前方關適當的縫隙對置， 形成縫製布料的導入通道。 ㈣、對置 如上所述的壓腳5中’裝備有包括固定刀6a和可動刀 此的刀震置。固定刀63是固定在左側的壓爪51上的板狀 的刀。固定刀6a插入在塵爪51中設置的矩形的保持孔μ 中並固I圖2中示出了伸出在壓爪51外側的固定刀h 的根部。固定刀6a在向壓爪51、52間的上述導入通 内部伸出的末端，設有刀刃。 可動刀6b插入在右側的壓爪52中設置的保持孔54中 而破保持。可動刀6b通過保持孔54的引導而能夠在左右 方向上移動。可動刀6b在向壓爪51 ' 52間的上述導入通 10 201040346 道的内。(Μ申出的末端，設有刀刃。可動刀此的根部以適當 =伸'到壓爪52的外侧，固定在安裝座74下端的刀架 八上/安裝座74與刀架75構成後述的傳動機構7的一部 :。可動刀6b隨著經由刀傳動機構？傳來的刀振軸9 (參 )的反復轉動，而在左右方向上往返運動。進行往 返運動的可動刀6b的末端的刀刃，在上述導入通道内斑固 定刀6a的刀刀擦接。 ΟWhen the 柘 柘 Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α Α The lower end of the presser foot is too sloppy in the script body 50, and the two claws 51, 52. The pressure, 52 extends parallel to the front side on the left and right sides of the 5 丄 丄 ^ ° 〇 of the 聊 本体 body. The Κ 52 is opposed to the appropriate slit in front of the Μ script body 5G to form an introduction passage for the sewed fabric. (4) Opposing The above-mentioned presser foot 5 is equipped with a knife including a fixed blade 6a and a movable blade. The fixed blade 63 is a plate-shaped blade that is fixed to the claw 51 on the left side. The fixed blade 6a is inserted into the rectangular holding hole μ provided in the dust claw 51 and the root portion of the fixed blade h projecting outside the pressing claw 51 is shown in Fig. 2 . The fixed blade 6a is provided with a blade at an end projecting from the inside of the introduction passage between the jaws 51, 52. The movable blade 6b is inserted into the holding hole 54 provided in the right pressing claw 52 to be broken. The movable blade 6b is movable in the left-right direction by the guidance of the holding hole 54. The movable blade 6b is inside the above-mentioned introduction passage 10 201040346 to the pressure claw 51 '52. (The end of the application is provided with a blade. The root of the movable blade is appropriately extended to the outside of the claw 52, and the holder 8 fixed to the lower end of the mount 74/the mount 74 and the holder 75 constitute a transmission to be described later. One of the mechanisms 7: The movable blade 6b reciprocates in the left-right direction in accordance with the repeated rotation of the blade axis 9 (parameter) transmitted through the blade transmission mechanism. The blade of the end of the movable blade 6b that performs the reciprocating motion In the above-mentioned introduction passage, the knife holder of the spot fixing blade 6a is wiped.
Q 、4 4在左右壓爪51、52的後方進行上升下降。 降的針4，4...從設置在壓腳本體5〇中 :，以及設置在針板1。上的針孔―(參:圖3) 、首過而到達縫匆機台i的内部。壓爪5卜52間的導入通 =、’ 2片縫製布料以邊緣對合，垂直g立在針板上的 ::導入。固定刀6a與可動刀讥將到達擦接位置的縫 ，的邊緣切齊。切齊了的布料通過麼腳本體5Q的作用 而上下重疊’傳送到針4，4.·.的下降位置，進行縫合。 上述布料引導16,到達壓爪5卜52間的導入通道的 邛’發揮維持該導入通道内的縫製布料的直立姿勢的作 ::過旋鬆螺絲15，能夠與引導安裝片14 一起調節布 16的位置。作業者通過對布料引導16的位置進行 調卽，能夠調整縫製布料的導入姿勢，使得由固定刀。與 可動刀6b進行的切齊能夠良好地進行。 ’、 料引；過旋鬆螺絲15,還能夠與引導安裝片U -起將布 將=6:縫幼機台1的前方取下。在實施其他的合縫時 '引導16取下。其他的合縫是指，例如通過固定刀 11 201040346 6a與可動刀6b只μ 9 υ + 重疊在另-片布料！二:料中的一片布料的邊緣切斷， 進订5 ·縫的形式的合縫等。 右側的壓腳52的* π曰击^ 的上表面，安裝有弓1導板55。引導板 疋垂直丑立在右倒屋爪52的前部，並向著 ， 的後部傾斜延伸的平板 广左側屡爪51 所安裝的5丨導板55,對， 别側凹陷而㈣。如此 亍饮旳，對破固定刀6a與可 去掉的縫製布料的切斷 的刀秌所 的外側。’切斷片進行引導’傳送到左側的…Q and 4 4 are raised and lowered behind the left and right pressers 51 and 52. The lowered needles 4, 4... are set in the press script body 5: and are set on the needle board 1. The pinhole on the top (see Figure 3), first passed to the inside of the seam machine i. The introduction of the jaws 5 and 52 is =, ' 2 pieces of the sewn fabric are joined by the edges, and the vertical g is placed on the needle plate. The fixed knives 6a and the movable knives are aligned to the edges of the slits that reach the wiping position. The cut fabric is superimposed and overlapped by the action of the script body 5Q, and is conveyed to the lowering position of the needles 4, 4., and stitched. The cloth guide 16 and the 邛' that reaches the introduction passage between the jaws 5 and 52 play an upright posture for maintaining the sewing fabric in the introduction passage: the over-screwing screw 15 can adjust the cloth 16 together with the guide mounting piece 14. s position. By adjusting the position of the cloth guide 16, the operator can adjust the introduction posture of the sewing fabric so that the knife is fixed. The alignment with the movable blade 6b can be performed satisfactorily. ', the material guide; the loosening screw 15, can also be removed from the front side of the sewing machine table 1 with the guide mounting piece U. When performing other joints, 'guide 16 is removed. Other splicing means, for example, by fixing the knife 11 201040346 6a and the movable knife 6b only μ 9 υ + overlapping the other piece of cloth! Two: The edge of a piece of fabric in the material is cut, and the seam of the form of the seam is stapled. A bow 1 guide 55 is attached to the upper surface of the * π slamming ^ of the presser foot 52 on the right side. The guide plate 疋 is vertically erected on the front portion of the right reversing pawl 52, and is inclined toward the rear portion of the flat plate. The five-sided guide plate 55 attached to the wide left-hand claw 51 is opposed, and the other side is recessed (4). In this way, the outside of the cut knife 6a and the cut fabric that can be removed are cut off. 'The cut piece is guided' is transferred to the left side...
I 如圖1所示，縫劫機臂3的左端 架57安裝有Μ 56ι 卩通過女裝 的吸口，將…道 的左側後部開口 ' 这引導板55所傳送的縫制士止， 到吸口中而本〜 得k的縫製布料的切斷片吸引 』及巾而去除。吸管56 部的上下方向的銷58為中心進行夠以設置在後 通過對安裝架57進行打㈣/#作，將前部打開。 離開的待機位晉 开、’吸管56移動到從壓腳5 離開的待機位置。移動到了待機位 礙縫製布料在縫匆機台i上的裝卸。及…不會阻 拍的上表面2〇的縫切機台1 ’在針板10的左右兩側具有平 二的：。本發明中，機台1的上表面20比針 的上表面低。針板的 遠離針板傾斜下切的階H 側，設有隨著 針板1。在寬声… 梯°"1。並且如圖2所示’ 右側心， 側具有錐拔狀的倒角，"8, 18。 =倒角部18在安裝在縫、_台丨中時與上述階梯部 板i '縫、、錢台1的上表面20 ’在針板10的右側比針 的上表面低倒角部18與階梯部21的高度，在針板 201040346 ίο的左侧只比針板10的上表面低倒角部i8的高度。 圖3為針板1〇的安裝位置附近的縫紉機台1的正面剖 面圖縫幼機台1的内部，在針板10的下侧設有彎針8 (Looper )着針8安裝在彎針座81的末端部。彎針座 81的根# m &在彎針轴上。彎針軸㈣架設在遠離針板 10下方的位置上，鉍且+乙， 軸長方向位於前後方向上，通過來自縫 刀機主軸（圖不省略）的傳動而在規定的角度範圍内反復 ❹ ❹ 轉動°隨者f針軸8G的反復轉動’ f針座81與彎針8以 該彎針軸中心在圖中實線所示的位置與虛線所示的 位置之間擺動。 如此進行擺動的.彎針8，與針4,4...的上升下降同步， 在針板1G的下表面進行橫穿，捕捉從針孔10a，l〇a..·中 、下降的針4，4...所保持的針線。f針8所捕捉 2與彎針8所保持的彎針線絡合，而在針板lQ上的縫製 布料上形成線步。蠻& 針的擺動以針4，4…所下降的針板 10的中央部為頂 的階梯部2 .·纟左右兩側运離針板10。縫勿機台丨 置的。疋為了避免與料8的擺動區域發生干涉而設 圖 2 tb 針板1 〇的右側設有階猫邱7 p, 機台！ 有^梯。”卜同側的縫匆 表面20比針板1〇的上表 板10的上矣^ 上表面足夠低，確保與針 上表面之間存在圖中用Η表示的古供兰π 降到前述的針柘1() ' 。壓腳5下 板10之門 將縫製布料夹在壓腳5與針 4。壓腳5具有刀裝置，被右 的可動刀6h沾“ 叛右側的壓聊52所保持 的&部，以及與該端部相連接的刀架75，位 13 201040346 於該右側的壓腳52的外側。 本發明中，針板10的上表面與缝紉機台1的上表面 2〇之間存在高低差H，刀架75與縫初機台！的上表面2〇 之間產生了大於等於上述高低差Η的縫隙。因此，作業者 利用該縫隙在壓腳5的附近用手壓著縫製布料， 縫匆機台1的上表面2 〇滑動—邊 製布料的傳送。 冑邊向後方壓，就能夠輔助縫 縫幼機台！的上表面2。如圖卜3所示 :側覆蓋針板1〇的右側的縫嶋1的上部的前蓋2:: 而形1梯。卩21如圖3所示，通過將前蓋22的邊緣部·彎曲 上述階梯部21在針板丨η & 士 檨，# n 〇的左側也同樣設置。通過這 樣，作業者在壓腳5的左側也 Μ ^ ^ 夠在針板10的附近壓住縫 衣布枓，輔助該縫製布料的 £住縫 外側的固定刀而不會被伸出在壓爪51 J U疋刀5a的存在所干擾。 夠良好地實施前述的合縫。 0樣的傳送輔助，能 以上的效果只通過將縫紉機么 針板10的上A ^ °的上表面20設置的比 的上表面低廷種簡單的妗 1的上表面20僅4 β '° 靶夠實現。縫紉機台 衣甶ζϋ僅僅是設置的較低， 側擴展的平坦部 ·子在有在針板10的兩 户付J攸下面i杜+仏 用。因此，太欲πη 守大塊的縫製布料的作 "此，本發明的箱形機台雙 ㈣的作 大塊的縫製布料的邊緣 式線跡縫紉機能夠將 圖4為可動刀⑼的傳動機構二重叠起來進行縫合。 為刀振袖。刀振轴9被支持在 立體圖。圖4中的9 '機是3的内部，通過來 201040346 自縫幼機U的傳動而在規定的角 動。刀振軸9的—端部固定有二*仃反復轉 9〇。擺動臂90隨著 门上向外伸出的擺動臂 7 的反復轉動而擺動。 輪…：呈圓筒形的傳動"0。傳㈣7。的 軸長方向的一端部較 傳動尚70的 突出的刀安裝二動^ 上向外突出的傳動f7 的另—端部安裝有在徑向 Ο Ο 下方，《在貫:： 筒?°以刀安㈣71-側為 肷拖在貫通縫紉機臂3 持，能夠繞中心軸自由轉動。、支持筒73中而被支 傳動筒70的上部向 72安裝在傳動铃7n f力機’ 3的内部伸出。傳動臂 女聚在傳動《7G的伸出端部上 傳動連接件91盘……傳動以2的末端通過 件 = 給傳動臂72。傳動臂72著:擺動# 9°的擺動傳遞 有該擺動臂72的傳動二在：“〇的擺動而擺動，具 的角度範圍内反復轉動。”刀振軸9的反復轉動對應 傳動連接件91在擺動f 9G與傳動臂72的連接端呈有 硖形接頭92’92。球形接頭92,92吸收繞不同的轴旋轉 的擺動臂90與傳動臂72之間的相對位置變化。 *設置在傳動筒7G的下端部的刀安裝臂71位於縫初機 臂3的外側，末端部具有向下延伸的固定座7ia。該固定 座71a中固定有安裝座74，設置在該安裝座74的下部的 刀架75中，如前所述，安裝有可動刀6b的根部。可動刀 6b被保持在壓腳5的右側壓爪52上，能夠進行往返運動。 15 201040346 可動刀6b通過刀安裝臂71的擺動而進行往返運動。刀架 75被設置在安裝座74中的線圈彈簧76向下施力。線圈彈 簧76將安裝在刀架75中的可動刀讥向下壓在壓腳5的 上述導入通道内部壓到固定刀6a上。進行往返運動的可動 刀6b的末端的刀刀，與在被線圈彈簧76下壓的狀態下與 固定刀6a #末端的a刀擦接，將縫製布料的彡緣可靠地切 斷。 能一 '巧』"'丨、山J莉刀bb的安裝好 心’不出的該可動刀6b的安袭方向與實際方向不同 刀此安裝為與刀振軸9平行延伸，在支援該 紉機臂%神y的、每 的方向即左右方向上進行往返運動。 專動n 70中内嵌保持有圓筒形的支持襯套32， 持襯套32中通插有墨桿31。壓桿 4 臂3的外部，n Λ 鈿伸出到縫紉機 通過在支持襯套:端如前所述，安裝有壓腳5。壓桿3] 叉持襯套32内滑動而在上 動，_5上〇卜 Θ運動，通過該運 刀驅動機構7_ι_古+ , 部的傳動筒70。該傳下方向上貫通縫匆機臂3的下 c 1寻動靖70通過來自刀垢钻η 反復轉動，可動刀― 、采自刀振軸9的傳動而 返運動。傳動筒70中St:動筒7〇的反復轉動而進行往 32㈣桿31進行可 2持有支持襯套32，支持襯套 同輪’貫通縫匆機臂3刀支持，傳動筒7°與壓桿31 作愿桿心支持部件的傳動驢㈣置7能夠通過利用兼用 現從縫匆機臂3内部的刀挣^ 7G這種簡單的結構，來實 振軸9向設置在縫劫機 16 201040346 部的壓腳5中的可動刀6b的傳動。 =5為表示本發明的相關箱形機台雙線鏈式線 Ο 實施形態的外觀立體圖。圖5中所示的縫初機為 同式相形機台雙線鏈式線跡㈣機，與圖丨巾所示的％ 幼機-樣’具有縫初機台卜腳柱2以及縫勿機臂3。縫匆 機臂3的末端部支持有針桿3〇與壓桿31。針桿3〇的下端 安裝有針4’ 4".，壓桿31的下端安裝有壓腳5。縫初機台 1的上表面架設有針板1〇，針板1〇與針4,4...以及壓腳^ 的下降位置相對應。 縫紉機台1如圖所示，具有在針板1〇的左右兩侧不同 的形狀。針板10的右側（根端側），為具有與針板10相 比向後延伸適當長度的平坦的上表面20的箱形部分1 a， 與此相對’針板1 0的左側（末端側），為具有處於針板 10的長度範圍内的平坦的上表面20的筒形部分lb。 箱形部分la與筒形部分lb的上表面20，均比針板1〇 的上表面低。箱形部分1 a的上表面2 0，通過針板1 〇右側 邊緣的倒角部18 (參照圖2 )，與隨著遠離針板1 〇而傾斜 下切的階梯部21而與針板1 0的上表面連續。筒形部分1 b 的上表面20通過針板10左側邊緣的倒角部18(參照圖2 ) 而與針板10的上表面連續。 壓腳5如圖2所示，具有安裝在壓桿31的下端的壓腳 本體50，以及從該壓腳本體50向前方延伸的壓爪51、52。 壓腳5中還裝備有包括固定刀6a和可動刀6b的刀裝置。 該刀裝置通過如圖4構成的刀驅動裝置7的驅動而進行運 201040346 動’將導入到左右的壓爪51、 齊。刀裝置以及刀驅動裝置7 所示的貫施形態相同，省略詳 5〇 . 之間的縫製布料的邊緣切 的構成和動作，與II卜圖4 細說明。 布料的邊緣，被壓…襄配的=到落針位置處的縫製 ^ 的刀震置的運動而切齊，因 此I夠實施大致一定的縫合寬因 1的上表面2〇比針板i。的上表面：縫。另外，縫匆機台 針板1。與壓腳5的兩側附近；’因此作業者能夠在 制士 手壓住縫製布料，輔助該綫 製布料的傳送，從而能夠可靠 〜縫 罪地進仃大塊縫製布料的合絲。 圖5的實施形態中，縫匆機A 分a… 刀機口 1的末端側設有筒形部 、夠應對可通插該筒形部分lb的筒形布料的缝製。 X所說明的實施形‘㈣僅㈣使本發明的技術内容 確二本發明不應被限定為上述的實施形態而作狹義解 、月b夠在本發明的技術思想和申請專利範圍所述的範 内進行各種變更並實施。 【圖式簡單說明】 圖1是表示本發明的箱形機台雙線鏈式線跡縫匆機的 外觀的立體圖。 * 圖2是針板的安裝狀態的說明圖。 圖3是針板的安裝位置附近的縫紉機台的正面剖面 圖〇 圖4是可動刀的驅動機構的立體圖。 圖5是表示本發明的箱形機台雙線鏈式線跡縫紉機的 18 201040346 ' 另一實施形態的外觀的立體圖了 【主要元件符號說明】 1〜缝紉機台； 2〜腳柱； 3〜缝紉機臂； 4〜根針； 5〜壓腳； 〇 6a〜固定刀； 6b〜可動刀； 7~傳動機構； 9〜刀振軸； 10〜針板； 1 0 a〜止動螺絲； 11〜安裝台； 0 1 2〜缺口部； 12a〜凹部； 13〜送齒孔； 14〜引導安裝片； 15〜旋鬆螺絲； 16〜布料引導； 17〜止動螺絲； 20~上表面； 30〜針桿； 19 201040346 31〜壓桿； 40〜針固定器； 50〜壓腳本體； 51、52〜壓爪； 53〜保持孔； 54〜保持孔； 55〜引導板；I As shown in Fig. 1, the left end frame 57 of the sewing machine arm 3 is mounted with a Μ 56ι 卩 through the suction opening of the women's clothing, and the left rear opening of the road is sewed by the guide plate 55 to the suction opening. The cut piece of the sewing fabric of this k is removed and the towel is removed. The pin 58 in the up-and-down direction of the suction pipe 56 is centered enough to be disposed, and the front portion is opened by hitting the mounting frame 57 (four)/#. The exiting standby position is raised, and the suction pipe 56 is moved to the standby position from the presser foot 5. Moving to the standby position hinders the loading and unloading of the sewn fabric on the sewing machine i. And the slitting machine table 1' on the upper surface of the needle plate 10 having a flat surface is not smashed. In the present invention, the upper surface 20 of the machine table 1 is lower than the upper surface of the needle. The needle plate is located away from the needle plate and is cut down on the step H side, and is provided with the needle plate 1. In wide sound... Ladder °"1. And as shown in Figure 2, the right side of the heart has a tapered chamfer on the side, "8, 18. The chamfered portion 18 is sewn to the stepped plate i' when it is mounted in the slit, and the upper surface 20' of the money table 1 is lower than the upper surface of the needle by the chamfered portion 18 on the right side of the needle plate 10 The height of the step portion 21 is only lower than the upper surface of the needle plate 10 by the height of the chamfered portion i8 on the left side of the needle plate 201040346 ίο. 3 is a front cross-sectional view of the sewing machine table 1 in the vicinity of the mounting position of the needle plate 1 内部. The inside of the sewing machine table 1 is provided, and a looper 8 is provided on the lower side of the needle plate 10 (Looper). The needle 8 is attached to the looper seat. The end portion of 81. The root #m & of the looper seat 81 is on the curved needle shaft. The curved needle shaft (4) is erected at a position away from the needle plate 10, and +B, the axial length direction is in the front-rear direction, and is repeatedly circulated within a predetermined angle range by transmission from the main shaft of the sewing machine (not shown).旋转 Rotating ° Repeated rotation of the needle shaft 8G' f The needle holder 81 and the looper 8 are swung between the position indicated by the solid line in the figure and the position indicated by the broken line at the center of the looper shaft. The curved needle 8 thus oscillated is synchronized with the ascending and descending of the needles 4, 4, ..., and traverses on the lower surface of the needle plate 1G, and catches the needle from the needle hole 10a, l〇a.. The needle thread held by 4, 4... The f-pin 8 captures 2 and the looper thread held by the looper 8 is integrated, and a line step is formed on the stitching fabric on the needle plate lQ. The swinging of the needle is performed by the stepped portion 2 of the center portion of the needle plate 10 which is lowered by the needles 4, 4, ... and the left and right sides are transported away from the needle plate 10. Do not sew the machine.疋 In order to avoid interference with the oscillating area of the material 8, the 2 tb needle plate 1 〇 is provided with a step cat Qi 7 p, the machine! There are ladders. The upper surface of the upper surface of the upper surface of the needle plate 1 is sufficiently lower than the upper surface of the upper surface of the needle plate 10 to ensure that there is a relationship between the upper surface of the needle and the upper surface of the needle. Acupuncture 1() '. The door of the lower plate 10 of the presser foot 5 clamps the sewing fabric to the presser foot 5 and the needle 4. The presser foot 5 has a knife device, which is held by the right movable knife 6h. The & section, and the tool holder 75 connected to the end, the position 13 201040346 is outside the presser foot 52 on the right side. In the present invention, there is a height difference H between the upper surface of the needle plate 10 and the upper surface 2 of the sewing machine table 1, the tool holder 75 and the sewing machine table! A gap greater than or equal to the above-described height difference 产生 is generated between the upper surface 2〇. Therefore, the operator presses the sewing fabric by hand in the vicinity of the presser foot 5 by the slit, and the upper surface 2 of the sewing machine 1 is slid to perform the conveyance of the fabric. Pressing the side to the back will help you to sew the machine table! Upper surface 2. As shown in Fig. 3, the front cover 2 of the upper portion of the slit 1 on the right side of the needle plate 1 is covered with a side. As shown in Fig. 3, the ridge 21 is formed by bending the edge portion of the front cover 22 and the step portion 21 on the left side of the needle plate ampη & 士 #, # n 。. In this way, the operator also presses the sewing cloth plaque on the left side of the presser foot 5 in the vicinity of the needle plate 10, assisting the fixed knife on the outer side of the sewing cloth without protruding from the claw 51 JU trowel 5a interferes with the presence. The aforementioned seam is performed well enough. 0-type transfer assist, the above effect can only be achieved by setting the upper surface of the upper surface 20 of the needle plate 10 on the upper surface of the sewing machine 10 to a lower surface than the upper surface of the simple 妗1 only 4 β '° target Enough to achieve. Sewing machine The placket is only the lower part of the setting, and the flat part of the side expansion is used in the two households of the needle board 10. Therefore, the sewing machine which is too πη 守 块 块 块 块 块 块 块 块 块 块 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边 边The two are overlapped for stitching. Sleeve the sleeve for the knife. The knife shaft 9 is supported in a perspective view. The 9' machine in Fig. 4 is the inside of the 3, and passes through the transmission of the 201040346 self-sewing machine U at a prescribed angle. The end of the blade shaft 9 is fixed with two turns of 9 turns. The swing arm 90 swings with repeated rotation of the swing arm 7 projecting outward on the door. Wheel...: Cylindrical drive "0. Pass (four) 7. The end of the shaft in the longitudinal direction is more than the protruding knife of the transmission 70. The other end of the transmission f7 is mounted under the radial Ο ,, "in the middle:: the cylinder? The (4) 71- side is placed on the sewing machine arm 3 and can be rotated freely around the central axis. The support cylinder 73 is supported by the upper portion of the transmission cylinder 70 to be attached to the interior of the transmission bell 7n. The transmission arm is concentrated on the extension end of the transmission "7G", the transmission connection member 91 is driven... the transmission is passed through the end of 2 = the transmission arm 72. The transmission arm 72: the swing of the swing #9° transmits the transmission of the swing arm 72 in the following: "the swing of the swing is performed, and the swing is repeated within the angle range." The repeated rotation of the cutter shaft 9 corresponds to the transmission link 91. At the connection end of the swing f 9G and the transmission arm 72, a serpentine joint 92'92 is formed. The ball joints 92, 92 absorb the relative positional changes between the oscillating arm 90 and the transmission arm 72 that rotate about different axes. * The blade mounting arm 71 provided at the lower end portion of the drive barrel 7G is located outside the slit starter arm 3, and the tip end portion has a fixing seat 7ia extending downward. A mounting seat 74 is fixed to the fixing base 71a, and a root portion of the movable blade 6b is attached to the tool holder 75 provided at a lower portion of the mounting seat 74 as described above. The movable blade 6b is held by the right pressing claw 52 of the presser foot 5, and is capable of reciprocating motion. 15 201040346 The movable blade 6b reciprocates by the swing of the blade mounting arm 71. The tool holder 75 is biased downward by a coil spring 76 provided in the mount 74. The coil spring 76 presses the movable blade mounted in the blade holder 75 downward against the inside of the introduction passage of the presser foot 5 to the fixed blade 6a. The blade of the end of the movable blade 6b that reciprocates is wiped with the a blade of the fixed blade 6a # in a state of being pressed by the coil spring 76, and the edge of the sewing cloth is reliably cut. Can be a 'smart' " '丨, mountain J Li knife bb installation good heart 'not the movable knife 6b the direction of the attack is different from the actual direction of the knife is installed in parallel with the knife axis 9 to extend the support The arm of the arm y is moving back and forth in each direction, that is, in the left and right direction. A cylindrical support bushing 32 is held in the special-purpose n 70, and an ink rod 31 is inserted into the bushing 32. Presser 4 The outside of the arm 3, n Λ 钿 protrudes to the sewing machine. The presser foot 5 is mounted by the support bushing: end as previously described. The pressing rod 3] slides in the fork bushing 32 to move upward, and the _5 is moved upwards, and the driving cylinder 7 of the portion is driven by the knife driving mechanism 7_ι_古. The lower c 1 finder Jing 70 passing through the seam rushing arm 3 is repeatedly rotated by the slag drill η, and the movable knife ― is taken from the transmission of the knife shaft 9 to move back. In the drive cylinder 70, St: the movable cylinder 7〇 is repeatedly rotated to perform the support bushing 32 to the 32 (four) rod 31, and the support bushing is supported by the same wheel 'through seam scraper arm 3 knife, the drive cylinder 7° and the pressure The lever 31 (4) of the lever 31 is configured to be able to make the actual shaft 9 to be placed in the seam-collecting machine 16 201040346 by utilizing the simple structure of using the knife which is now used from the inside of the seaming arm 3 to make the 7G. The transmission of the movable knife 6b in the presser foot 5. = 5 is an external perspective view showing an embodiment of the double-chain chain of the box-shaped machine of the present invention. The sewing machine shown in Fig. 5 is a two-line chain stitch (four) machine of the same type of phase machine, and the % machine-like sample shown in the figure towel has a sewing machine head 2 and a sewing machine. Arm 3. The distal end portion of the slit urging arm 3 supports a needle bar 3 〇 and a pressing rod 31. A needle 4' 4' is attached to the lower end of the needle bar 3', and a presser foot 5 is attached to the lower end of the presser bar 31. The upper surface of the sewing machine 1 is provided with a needle plate 1 〇, and the needle plate 1 相对 corresponds to the lowering positions of the needles 4, 4, ... and the presser foot ^. As shown in the figure, the sewing machine table 1 has a shape different from the left and right sides of the needle plate 1〇. The right side (root end side) of the needle plate 10 is a box-shaped portion 1 a having a flat upper surface 20 extending rearward by a suitable length compared to the needle plate 10, and the left side (end side) of the needle plate 10 is opposed thereto. Is a cylindrical portion lb having a flat upper surface 20 that is within the length of the needle plate 10. The box portion 1a and the upper surface 20 of the cylindrical portion 1b are both lower than the upper surface of the needle plate 1A. The upper surface 20 of the box-shaped portion 1 a passes through the chamfered portion 18 of the right edge of the needle plate 1 参照 (refer to FIG. 2 ), and the stepped portion 21 which is inclined downwardly away from the needle plate 1 而 and the needle plate 10 The upper surface is continuous. The upper surface 20 of the cylindrical portion 1 b is continuous with the upper surface of the needle plate 10 by the chamfered portion 18 (refer to Fig. 2) of the left edge of the needle plate 10. As shown in Fig. 2, the presser foot 5 has a presser foot body 50 attached to the lower end of the presser bar 31, and claws 51 and 52 extending forward from the presser body 50. The presser foot 5 is also equipped with a knife device including a fixed blade 6a and a movable blade 6b. The knife device is driven by the driving of the blade driving device 7 having the configuration shown in Fig. 4, and is introduced into the right and left jaws 51. The configuration of the blade device and the blade driving device 7 are the same, and the configuration and operation of the edge cutting of the sewing fabric between the detailed descriptions are omitted. The edge of the fabric is pressed...the fit = the stitching at the needle drop position ^ The motion of the knife is aligned, so that I can implement a substantially constant stitch width 1 of the upper surface 2 than the needle plate i. Upper surface: seam. In addition, the sewing machine needle board 1 is sewn. In the vicinity of both sides of the presser foot 5; 'Therefore, the operator can press the sewing fabric on the hand of the sergeant to assist the conveyance of the woven fabric, so that the sew of the large sewed fabric can be reliably sewed. In the embodiment of Fig. 5, the seam rushing machine A is a... The end portion of the knife opening 1 is provided with a cylindrical portion, and is capable of coping with the tubular cloth through which the cylindrical portion lb can be inserted. The embodiment described in the following is a description of the technical scope of the present invention. Fan made various changes and implemented them. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing the appearance of a double-chain chain stitch seaming machine of a box-shaped machine of the present invention. * Fig. 2 is an explanatory view of the mounting state of the needle board. Fig. 3 is a front cross-sectional view of the sewing machine table near the mounting position of the needle plate. Fig. 4 is a perspective view of the driving mechanism of the movable blade. Fig. 5 is a perspective view showing the appearance of another embodiment of the box-shaped machine double-chain chain stitch sewing machine of the present invention. 2010-0446. [Main element symbol description] 1~ sewing machine table; 2~ foot column; 3~ sewing machine 4; root needle; 5~ presser foot; 〇6a~ fixed knife; 6b~ movable knife; 7~ transmission mechanism; 9~ knife shaft; 10~ needle plate; 1 0 a~ stop screw; Table; 0 1 2~ notch; 12a~ recess; 13~ feed perforation; 14~ guide mounting piece; 15~ loose screw; 16~ cloth guide; 17~ stop screw; 20~ upper surface; Rod; 19 201040346 31 ~ pressure bar; 40 ~ needle holder; 50 ~ pressure script body; 51, 52 ~ claws; 53 ~ holding hole; 54 ~ holding hole; 55 ~ guide plate;
5 6〜吸管； 57~安裝架； 5 8〜鎖； 74〜安裝座； 7 5 ~刀架。5 6~ straw; 57~ mounting bracket; 5 8~ lock; 74~ mount; 7 5 ~ knife holder.
2020