TW200417645A - Sewing machine with cutters - Google Patents

Abstract

Disclosed is a sewing machine with cutters, comprising a cutter base that supports a cutter shaft of a movable cutter and to which where a fixed cutter is mounted is supported by a support bracket of a base via a support cylinder projecting from one side of the cutter base so as to be slid-able in an shaft length direction. Behind the cutter base and support bracket, a threaded shaft that threadingly engages an inner-threaded hole defined in a sewing machine bed is arranged, and an operation dial mounted on the threaded shaft engages an engagement groove defined in a peripheral surface of the support cylinder so as to form an adjusting means. The position of the cutter base in the left-right direction is adjustable by screwing of the threaded shaft by rotation of the operation dial and thus flexibly responding to the change of cutting position of cloth to be sewed.

Description

200417645 V. Description of the invention (1) Technical field to which the invention belongs The present invention relates to

Machine ") 9) Sewing machine (Sewing folded state, Λ cut can be broken ^ knife seam ^ more than Λ fixed width in front of the r, r needle position on the inner side; material and fixed cutter, sliding connection On the side of the movable cutter. The inner β enters and exits. In the prior art, T [In the case of sewing a tubular portion during the sewing of blood, the edge of the target fabric is folded back around the body or the cuff side. After entering X of the needle drop, the crease on the fabric on the inner surface side. The edge folded back with bismuth is in the conventional technique due to the crease by Besch. The driving of the main shaft is used to make ^ cutting two stitches; it is arranged on the-side of the front of the needle drop position. The f side of the fixed cutting edge of the movable cutter is turned back. The sewing fabric fed into the needle drop position has 疋, and the remaining part is cut off. The function of the cutting edge, side 4, refers to the first picture is the sewing hurdle using the cutter (three !: state explanatory diagram. The center line in the figure shows the left and right side by side: the wide sewing ΤΠΐ movable cutter 42 is installed on Within the sewing machine base ;: The cutting knife # (not shown in the figure) supported by the needle, corresponding to the sewing direction The axis of the shaft rotates back and forth, as shown in the figure, and the shaft's transmission is shaken. The fixed cutter 43 is on the square arrow table that also supports the cutter shaft, as shown in the figure. At the side of the movable cutter 42-solidly cut ^ Page 4 2098-5561-PF (Nl) ._ ptd 200417645 V. Description of the invention (2) Hold. The movable cutter 42 has a hook-shaped curved front end movable cutter The sewing machine in front of the needle drop position of 42 is folded up from the inside of the cloth W that can be inserted into the needle position. 捉 2 The front end of the movable cutter 42 is caught, and then the blade is moved by the movable cutter 42切断 is cut between the blade portion 43a of the lower fixed moving 疋 cutter 43 which is slid to the side. The side of the fixed knife is cut by the movable cutters 42 and D for the needle drop position. The remaining required rewind * 3 shell target. The visibility I should be done at the needle drop position after cutting. Jf ^ Manual rework and continuous rewinding are performed at the rate of high quality crease load. Therefore, it can be reduced. The efficiency is as the first: set the width D of =; middle /: back to,-generally speaking, as shown in Figure 2β, together ν through sewing If you want to perform fold stitching beyond the product's return width D, the position of the needle drop is set to fold the stitches to give Tuzet / ^ The purpose of the fold is to stop the edge bending case special # Χ In the sewing of soft fabrics, the purpose is to prevent creases of the knife width D, and it is necessary to change the movable cutting. In the conventional practice, it is also necessary to fix the cutting table in the left and right directions corresponding to the needle drop position. Release: The ^ 2 2 I, the fixed cutter of the component 43 the left and right positions of the two knife edges are manually added 2098-5561-PF (Nl) .ptd page 5 200417645

Minus changes and then fix. However, in this method, it is difficult to determine the correct position. After the trial sewing, it is necessary to perform the position changing operation again, and there is a problem that it takes a lot of manpower to obtain the desired return width D. SUMMARY OF THE INVENTION β In view of a sewing machine provided with a knife, a movable knife is provided to accurately change it. The shaft of the present invention is mounted on the cutter head of the sewing machine and supported by the cutter head; it is fixed on the side and the root is changed to install in the cutting direction, and the cutter should be fixed in a clear and clear setting. According to this need, the knife table of the present invention, that is, the types of left and right cutters, returns to the problem described in the device of the present invention. When the cutter needs to be cut and fixed, for example, the internal transmission of the first invention seat, so that the car can be moved from the top to the right. The said cutting shaft is installed on the sewing machine base to set the cutting knife and adjust the above. It supports the second hair which has a left and right position width by adjusting the direction and has a screwing. The left and right sides of the sewing cloth knife of the present invention should be changed. The folded knife with the left-right direction should be turned back and forth, and the operation of the device for moving the movable knife into the movable knife can be cut on the knife table, and the operation is simple. 'And change the fabric seam. The crease knitting machine with the cutting knife set back to the width at the position of the edge falling direction provided by the above «μ, the car supported by the horizontal frame is operated by rotation; the shaft is made to slide on the cutting shaft. On the edge of the fabric, the above edge moves. The cutter shaft is fixed so that it can be easily and speedily sewed before the needle position of the sewing machine and the sewing machine seat where the material is cut correctly. Including the cutter, 'from the movable cutter, shake down; the direction of the cutting length is to move the movable cutting edge, adjust the cutting position of the device, set the cutting length of the cutter system, and set the movable cutter setting', for example The first round of screw holes and borrow

2098-5561-PF (Nl) .Ptd Page 6 200417645 V. Description of the Invention (4) Rotate a section and engage it on the hair. Screw on the set, and change it by moving the card. The engaging part of the present invention is fixed around the screw, for example, it is simply constituted by the hair fixation device. The cutting table is moved to the hair position, and the cutting action is in the left and right directions according to the additional drawing of the present invention. In the above-mentioned cutting instructions, the third hair with the cutting instructions as the fixed portion, the screw shaft, and the turning portion to pull and pull the fabric, requires the operation of a rotary car, and the screw is%, so that it is stuck with the cutting blade. The fourth round of the table camming is adjusted by the adjustment device, and the screw shaft and the screw engagement portion of the table can be completed by adjusting the purpose of the fixed state and the new one. If it is engaged with the cutting table, the screwing operation of the sewing machine base is turned to the left and right cutting tables to set the cutting position. The operating force provided by the cutting knife is given to the dial. The shaft is fitted and fixed to the engagement portion provided on the cutter table engagement. The proper adjustment of the slit with the cutting knife and the screw shaft provided in the engaging part of the screw shaft can be holed to form the screwing in the adjustment installation direction, and the machine is threaded in the left and right direction through the knife table. The second round screw shaft also doubles as the engagement groove on the outside of the operating dial of the fitted screw shaft. The sewing machine also includes a fixed moving position and fixed section device operation to adjust and set the cutting table. , Stable lowering of movable cutter and fixed cutter. Read the detailed description and table below to understand the characteristics. / Embodiments The present invention will be described in detail below with reference to drawings showing preferred embodiments.

200417645 V. Description of the invention (5) _ ί :: The third picture is the standing chatter c of the present invention, which has the entire structure of the sewing machine for cutting knives, and the temple is at the bottom; the system of the machine has the following features: The lower end of the needle bar on the upper part of the sewing machine seat β is installed with a compound; 1 = Erguang, the dust rod is installed on the lower end of the dust rod at the front end of the arm A.,,) 2 〇 Again for the needle! The needle end (Stitch Plate) 3 is mounted on the beautiful end of the lower part of the wood β, and the stroke specified above the ", (Feed… and the feed mechanism shaft is not shown in the figure): proud ^ Needle plate 3 up and down: move up and down while pricking. In addition, presser foot 2 is lowered on needle plate 3 by designation and sews between the needle plates of the cloth 4 qq " The young machine base B is clamped on the former. As shown in FIG. 3, the front side of the end of the sewing machine base B Xi Li has 77 m 1 ^ 成 m ^ m ^ cutting mechanism. The cutter mechanism 4 is composed of a ^ cover which is not shown in the figure and constitutes the interior of the sewing machine base B. Fig. 4 shows a perspective view of a three-dimensional one-piece structure of the needle 4. Fig. 5 shows the cutter mechanism 4; Solution: Middle 3 is an erection There are a plurality of needles on the top of the front end of the sewing machine base β as described above: There are a plurality of (three shown in the figure) on the slightly central portion of the plate 3 = degree: to the side of the needle drop hole 3 〇, 3〇 ..., for the above-mentioned up and down movement of a plurality of needles 1 'bu ·' when inserted. In the needle drop holes 3G, 30 ... 2098-5561-PF (Nl) .ptd No. 8 Page 200417645 V. The Invention (6)-Rectangular feed holes 3 1, 3 丨, with protruding feed teeth, are formed on the front, back, and both sides. On the needle plate 3, as shown by the arrow in the figure, from one side in the long direction to the other Feed the fabric on one side. This fabric (not shown) is clamped between the needle plate 3 and the presser foot 2 (see Figure 3) lowered to the upper part. Through the hole 31 31 ··· The tooth feeding operation not shown on the needle plate 3 is intermittently fed in a specified stroke, and is lowered in the needle drop hole 3 〇, 3 〇 ... The operation of the bending yarn wheel shown is for sewing. The cutter mechanism 4 has a base table 40 located in front of the throat plate 3 and fixed to the inside of the W end of the sewing machine seat β, and a cutter mounted on the base table 40. The cutter shaft is a movable cutter 42 mounted on the cutter shaft 41, and a fixed cutter 43 slidably connected to the movable cutter 42 from one side (right side in the figure). The movable cutter 42 is a dream It is driven by the drive of the main shaft (not shown) of the sewing machine, and is slidably connected to the edge of the cloth cut on the fixed cutting ^ 4 3 and fed into the needle plate 3. The above-mentioned base 40 is provided with a plurality of stop bolts. The connection == is supported by a pair of support frames 40a provided on the abutment 40, two = positions i ::: are supported, the shaft is rotated freely, and the front of the needle plate 3 is: =: = cross-cut upwards, that is, with The key feeding direction is slightly orthogonal. The above-mentioned two-moving cutter 42 has a hook-shaped curved portion 42a at its front end. The bottom of the movable cutter 42 is embedded and fixed to the cutter shaft 41-the end portion. The cutter shaft 41 protrudes from the first pair of movable cutters 42 that are fixed here: the left side of the rear 2 holder 40a. By borrowing, the knife part 仏 swings up and down on the knife shaft 41 to rotate in 4 stitches Front of plate 3, cut out on the left

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= Tanato degree to form a rectangular notch portion 32. As described above, when the blade portion 42a at the upper and lower ends is moved upward, the second cutting blade 4232 protrudes from the needle plate 3. As shown in FIG. 4, the fixed cutter 43 is described through the cutout, and as shown in FIG. 5, it is a plate-shaped member of “” position, and is adjacent to two = two-mounted, and is installed on the base 4. The supported cutting table "moves like a cutting knife = No, the knife portion 43a # of the fixed cutting knife 43 of the longitudinal edge of the above-mentioned notch portion 32 is installed by the 2Γ-side sliding connection ...... of the vertical movement .... -"^, Move the blade portion of the cutter 42 and cut the edge E of the cloth w as described in the 1m, and perform the aforementioned crease. The upper part of the knife ^ cutter shaft 41 The other end part protrudes to the right of 40a on the other side of the abutment 40. On this protrusion,-the support wooden limiting ring 47 system is coaxial # 着 定 ^ 以 图 不 '# 黄 接 环 45 and the Coil spring = side tension between spring contact ring 45 and restriction ring '7 :: the spring force of this coil spring 46 is pressed to the right from the left to two; ^ the movable cutter 42 41 on the front side of the knife shaft 41 moves up and down, Thanks to the shape of the blade 43a, the coil of the blade part m Λ Λ2 / w43 ^ is used for resistance. In addition, the limit of the leftward movement of the cutter shaft 41 by the magazine technology is used as the axis of η Long direction ;! The fixed position of the ring 47 can be adjusted in the axial force of the cutter, and the fixed cutter 42 can be adjusted to increase or decrease the spring strength of the coil spring 46. It can be done with the blade 43a of the fixed cutter 43 The

200417645 V. Description of the invention (8) On the cutter shaft 41, the above support frame 40a, 40a has the bottom of the transmission crossbar 6. As shown in the figure 5 of the transmission product rod 6, the long hole 6 formed along the long direction is not formed on the t 4 as shown in the figure t4. It is connected by the fixing bolt 61, and the upper part is the same. The member 7 is connected to the long hole 60 (not shown) through a recognized eccentric mechanism (Eccentric Mfch moving shaft. The rotating shaft is a sewing machine main shaft (not shown in the figure η 1 S: connected to a rack machine) The rotation of the designated axis and the specified V and degree of rotation are reversed to the South Korea: in the seam, the connecting member 7 is transmitted to the transmission horizontal = the main rotation; the shaking is transmitted to the special core embedded with the transmission rod. The movable end of the cutting shaft 41 at the front end of the cutting blade /. The swing amount of the movable cutting blade 42 is set to be within the range of the degree of error. 'By changing the above fixed screw =: cup 6 Adjust the length of the long hole 60. 疋 The position of the bolt 61 can be adjusted freely. On the one hand, is a cutter 44 with a fixed cutter 43 installed? ^ I i has an original cylindrical support cylinder protruding at the side of 4 °. 4 '" The connection shown in Fig. 5 is held and fixed by 48. Upper]' and the connection bolt 4 "is inserted in the support tube 44aj: through the knife shaft 41 Supported by the length of the support tube, the two front end portions are further from the support frame 40a, ..., at the protruding portion, M + is a laterally appropriate adjustment device 5. The 6th figure is the in cutter table " Part of the broken plan view of the knife near the knife. '. ,, °° p 衣 置 5 的 部 部 200417645

The adjusting device 5 as shown in the figure includes a small-width engaging groove 50, forming 2 a peripheral surface on the rear side of the protruding portion of the support tube 44a, which is slightly straight from the axis, and the screw shaft 51, Opposite the engaging groove 50 and erected slightly parallel to the cutter shaft 41, and a disc-shaped operation dial 52 is embedded in the same axis as one end of the "Helix shaft 51" and surrounds it One of the surfaces is engaged with the engaging groove 50. The screw shaft 51 is screwed into one of the abutment holes 53 of the base 40 inside the sewing machine base B, and the screw shaft is screwed to an appropriate length, and the shaft is rotated by the operation of the operation dial 52 to rotate along the screw hole. 53 screw in the left and right direction. With regard to 2 screwing, the operation dial 52 can also be displaced in the left-right direction. On the side of the engagement groove 50 on the peripheral surface of the protruding portion of the support tube 44a, bolts 48 are fixed as above. The scales 52, 4 and 4 are operated. In the figure on the left and sliding connections 42 and 43, move the center line to describe the support connection, and release the state to make the screw move to the right side of the scale. To the right. The tube 44a penetrates the support frame 4 (^) of the base 40, and can be moved in the axial length direction after the connection is released. The above-mentioned connection bolt 48 is used to release the fixed rotation operation of the support tube 44a as described above at the operating end of the adjustment device 5. When the operating shaft 51 is in the advanced state, the support cylinder and the cutter disc 52 are moved by the pressing force applied to the engaging groove 50, and the fixed cutter 43 mounted on the cutter table 44 moves the cutter. 42 can also move in the left and right direction. Two cutting knives can change the cutting position of the cloth as described in uranium. The shape on the 6th side is indicated by a solid line, and it is moved to the left device.

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The supporting groove 50 of the support tube 44a, and the screw holes 53 of the corresponding part of the screw machine B: The screw shaft 51 is formed to rotate the sewing scale 52, and the needle plate 3 丄 = ^ structure, by The above operation is performed correctly and correctly. As shown in FIG. 2, the cutting position of '= can be easily folded back to the fold of the width D. Freely correspond to different and in the above implementation modes, the operation dial 52 of the root is also used for the rotation operation of the second Aj axis 51. The dial 52 is set to a different object. The engaging part and the trowel of the joint are fixed by: ii: connecting the bolt 48 with Λ, and then adjusting the connection between the movable cutter 42 and the two connecting bolts 48 as described above. ... the above two stability; = cutting of the fabric. Part 32, to move the movable cutter 42 in and out, r as in the first; y is cut on the inside of the gap material W of the needle plate 3 f = not shown in the figure, although two J-shapes are provided for the gap in and out of the cloth 42 The mischief description will cause the movable cutter to cut the fabric, and the cutter with this structure will be cut on the right side of the needle drop position. Also in the above implementation type, although autumn ::: can be applied to the present application :: workbook: Ming; suitable _ = = ^ support of the machine movable cutting = the direction of the shaft length of the shaft The cutting table of the knife is set at the adjustment position of the cutting knife movement; it can be moved to change the speed of the sewing at the front of the needle drop position at the age of the edge of the sewing fabric of the cutting table. , Break position, and can correspond to changing the folding width

200417645 V. Description of the invention (11) In the machine for cutting with a cutter of the second invention of the present invention, a part of a screw shaft screwed into a screw hole provided in a sewing machine seat is engaged with the cutting table, and the screw shaft The screw structure can move the cutting table. The sewing machine of this hair knife is used for the rotary operation of the screw shaft-Mao Mingzhi ... The engaging part of the cutting table simply constitutes a "dumb dial and also serves as an adjusting device for changing the cutting position of the fabric. Mobile adjustment and cost reduction: the fourth invention of the cutter section with a cutter is fixed by the moving adjustment of the cutter A. The mouth of the cutter can be stably adjusted after the adjustment; more ==; = can provide counterfeit products The present invention achieves excellent results, such as seam-stitched products. The above 'f = the detailed description of the invention is completely within the surface technology. The present invention is not limited to the scope described in i; various changes can be implemented. Ming patent Qianwei 200417645 Brief description of the drawings The first figure is an explanatory diagram showing the state of crease using a sewing machine with a cutter. Figures 2A and 2B are explanatory diagrams of the fold back width of the crease. Figure 3 is the present invention A perspective view of the overall structure of a sewing machine with a cutter. Fig. 4 is a perspective view of the structure of a cutter mechanism of a sewing machine with a cutter according to the present invention. Fig. 5 is a configuration of a cutter mechanism of a sewing machine with a cutter according to the present invention. Three-dimensional The figure is a plan view near the structural part of the adjustment device in Fig. 6. Symbol description 1 ~ needle; 2, v presser foot; 3 ~ needle plate; 4, cutter mechanism; 5 ~ adjustment device; 6 ~ i transmission lever; 7 ~ connection structure; 30 ~ pin drop hole; 3 ~ 1 rectangular feed hole; 32 ~ notch part; 40 ~ abutment; 40 ~ a support frame; 4 ~~ cutter shaft; 42 ~ movable knife; 42a ~ Cutting edge; 43 ~ fixed cutting blade; 43a ~ cutting edge; 44 ~ cutting table; 44a ~ support cylinder; 45 ~ spring ring; 4 6 ~ coil spring; 47 ~ limit ring; 48 ~ connecting bolt; 50 ~ Engagement groove; 5 1 ~ screw shaft; 52 ~ operating dial;

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Claims (1)

200417645 VI. Application Patent Scope 1. A sewing machine with a cutter, including: a cutter shaft, which is driven back and forth by the main shaft of the sewing machine inside and outside the sewing machine base to make it rotate back and forth: supported by a horizontal frame, and a movable cutter , Mounted on the cutter shaft, rotate C; do up and down shaking; the cutter table should be turned back and forth to support the above cutter shaft, and can move in the direction; the axis of the lintel cutter shaft is fixed rectangular A cutting knife is installed on the cutting table and slides one of the slides :::: ;; Send: The movable knife on the side of the cloth on the sewing machine base is placed immediately. In order to change the fixed knife and the The cutting of the above edges and edges is upright, and the movement of the above-mentioned cutting blade is adjusted. The above-mentioned adjustment device of the cutting knife described in the item includes: Μ screw holes thereof are screwed onto the sewing machine base; screw shafts are screwed in left and right directions by rotating operations; and engaging portions, It is located on one part of the screw shaft and engages the above-mentioned cutter △ 3. As described in the application: the sewing machine with a cutter as described in the second item of the scope, the above-mentioned engagement part is also used to apply the rotational operation force to The above 〃 is fitted and fixed to the operation dial of the screw shaft. f. Axis' 4. As mentioned in the above = the cutting machine according to item i, 2 or 3 of the range ', which further includes a fixing device' to fix the cutting table at the position adjusted by the adjusting device. , Tian's Spear Xi 2098-5561-PF (Nl) .ptd Page 17