TWM301231U - Sewing machine with cutter - Google Patents

Description

M301231 VIII. New description: [New technical field] This work has a sewing machine with a knife (Knife)

Machine) 'It consists of a movable cutter' that traverses the specified width and then folds back on the inside side, in order to cut off the edge of the cloth that is fed into the needle drop position on the sewing machine seat' at the front of the needle drop position— The side is slid from the inside of the sewing machine base and the fixed cutter is slid to the side of the movable cutter. [Prior Art] For example, in the case of sewing a t-shirt, when the tubular portion is provided around the waist or the cuff, the edge of the target fabric is fed back to the lower side of the designated width, and the needle is fed. The position of the needle is used to implement the crease of the folded edge on the fabric on the surface side. In the technique of (4) the crease, the machine will be moved up and down on the sewing machine seat by the sewing machine from the sewing machine and the drive of the main shaft of the machine. The movable cutter and the fixed knife that is slid to the movable cutter are disposed on the side where the needle is placed on the needle. The movable cutter and the fixed cutter have the effect of cutting off the edge of the spleen which is the spleen, the edge of the sewing fabric which is inserted into the needle position, and the remaining portion outside the predetermined width.曰 α Fig. 1 is an explanatory view showing an implementation state of the crease using the sewing machine (three needles) with the cutter. The figure is shown by the center line in the figure, and the three movable needles of the three needles arranged side by side are attached to the cutter shaft (not shown) supported by the wood in the left and right direction of the sewing machine compartment. The drive of the spindle of the slitting machine rotates the shaft of the cutter shaft back and forth, as shown in the direction of the arrow shown as 2098-5561-PF3 5 • M301231 is shaken ° and © the fixed cutter 43 is also used as the cutter As shown in the figure, the cutter holder of the shaft support member is slidably coupled to one side of the movable cutter 42 to be fixedly supported. mouth

The movable cutter 42 has a hook-shaped curved front end portion. The front end portion is moved in and out of the sewing machine seat before the needle drop position by the vertical movement of the knife 42. The edge E which is folded back on the inner side of the cloth W fed to the needle position is caught by the front end portion of the movable cutter 42 which is moved upward, and then pulled down by the movable cutter 42 to move downward, and the movable cutter 42 is pulled down. The blade portion 42a is cut between the blade portion 43a of the fixed cutter 43 that is slidably attached to one side. This cutting is performed by the movable cutter 42 for the needle drop position, and the positional relationship of the (7) joint in the left-right direction of the cutter is fixed, and the remaining predetermined fold width D is performed. In the needle drop position after the cutting, the crease line is maintained at a predetermined folding width D to be in a desired state, and the burden of the folding back work performed by the manual work of the cloth W is reduced. Therefore, high-quality creases can be efficiently performed. Therefore, as the width D of the fold back in the above crease is set to be generally, as shown in FIG. 2A, at the needle drop position indicated by the center line, the line stitched by the lowered needles is at the fold width D. Formed inside. As the sewing product is diversified, as shown in Fig. 2B, there is a case where the outermost needle drop position is set to be folded outside the width D to perform the crease. The purpose of such creases is to impart pattern features, for example, with stitching. In the sewing of the soft cloth, the edge bends. In accordance with the creases of the various types of the folding width D, it is necessary to change the cutting position of the movable cutter 42 and the fixed cutter 43 in the left-right direction in accordance with the needle drop position. In the conventional case, the fixed cutter 2098-5561-PF3 6 M301231 43 of the fixed cutter 42 is fixed, and the left and right positions of the cutter are changed by the manual power. fixed. However, in this method, it is difficult to determine the correct position, and after the trial sewing, the position change operation must be performed again, and it takes a lot of manpower to obtain the desired folding width D. [New content] In view of the above problems, the purpose of the present invention is to provide a sewing machine having a cutter, which has a movable cutter and a fixed cutter before and after the needle drop position of the edge of the sewing fabric to be cut. The position of the direction can be changed easily and correctly. For example, it corresponds to changing the fold width and the speed of the slit. The first new type of cutting machine does not have a cutter, which includes a cutter shaft, which is supported by the cross frame in the left and right direction of the sewing machine seat, and is driven back and forth by the drive from the j, the cutter main shaft. The rotating shaft runs; the movable cutter, the female is broken. On the hoisting cutter shaft, 'up and down shaking corresponding to the back and forth rotation; the cutting edge supports the above-mentioned cutting shaft, and can move to the axial length direction of the cutting shaft, fix the cutting knife, and install it on the cutting edge Sliding on one side of the movable cutter, and cutting the edge of the conveyed fabric on the sewing machine seat, cutting, and closing; the adjusting device 'according to the fixed cutter and the For the cutting knife, the cutting position of the edge is changed to adjust the moving position of the cutting table. In this creation, the cutter shaft supporting the movable cutter is attached to the cutter table, and the adjustment is made by the adjustment of the wp, so that it is in the axial direction of the cutter shaft, that is, the left and right direction. Move up, and easily adjust the left and right positions of the movable cutter and the fixed cutter, and the cut position of the cloth, such as the crease corresponding to various foldback widths. 2098-5561-PF3 7 M301231 The second novel sewing machine with a cutter, wherein the first novel adjusting device has a screw hole screwed in the sewing machine seat and is rotated in the left and right direction. a screw shaft that is screwed into the screw, and an engaging portion that is provided at one of the screw shafts and that is engaged with the cutter table.

In the present invention, the screw shaft having the engaging portion that engages with the cutter table can be formed by adjusting the screw shaft of the machine base as a fixed portion. The operation is performed in the left-right direction, and the cutter table is pulled by the above-described engagement portion, and the cutter table is moved in the left-right direction to change the cutting position of the cloth. Further, in the third novel sewing machine with a cutter, the second new type of engaging portion is required to apply a rotational operating force to the above-mentioned screw shaft ‘and to be fitted and fixed to the operating dial of the screw shaft. In this novel type, the screw shaft is fitted and fixed around the operation dial of the screw shaft, for example, to be engaged with the outer surface of the cutter table to simply form an engagement portion that engages with the cutter table. °冓^ ^ i W 7 Dan also includes the solid cutting device, which is the appropriate moving position of the network, the swallowing, and the expansion of the adjusting device. In the present creation, the movement position of the cutter a adjusted by the operation of the adjusting device is fixed by the fixing means, and the cutting operation and the cutting operation are stably performed in a fixed state. ^ The purpose and new features of this creation can be fully understood by reading the following additional drawings.砰, 、, 、, 田 说明 20 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 Fig. 3 is a perspective view showing the overall structure of a sewing machine having a cutter under the present invention. The sewing machine shown in the figure is a sewing machine in which the stalks of the old sewing machine arm A are supported by the leg portion C which is set on the upper side of the sewing machine base B. Hanging down to the front end of the sewing machine arm A from the force ~ σ卩 at the lower end of the needle bar is installed with a plurality of needles 1, 1...’ also hang down to the silk

A presser foot (Presser Fo°t) 2 is attached to the lower end of the pressure bar at the front end of the double arm. Further, on the front end portion of the sewing machine tool B below the needle, a stitching plate 3 is placed, and a lower portion of the needle plate 3 is provided with a not-shown <<< Wheel (Lo〇per) and feeding mechanism (Feed

The mechanism is to move up and down β x by a drive from a needle 1 shaft, which is not shown in the sewing machine arm, in conjunction with the above-mentioned needle bar, in a specified stroke including the above-mentioned needle plate 3 The foot 2 can be lowered on the needle plate 3 by a predetermined operation, and the cloth fed from the front is held between the sewing machine base B and the needle plate 3. As the slitting machine constructed as above, as shown in Fig. 3, the cutter mechanism 4 is provided on the front side of the front end of the seaming machine base B. Further, the cutter mechanism 4 is covered by a cover (not shown) to constitute the inside of the sewing machine base B. The brother 4 shows a perspective view of the cutter mechanism 4 together with the needle plate 3. The music b diagram is an exploded perspective view of the cutter mechanism 4. In the figure, 3 is erected before the sewing machine base b as described above, such as t (1)^.针 The needle board above. In the central portion of the needle plate 3, there are a plurality of pinholes 3〇, 3〇, which are formed in parallel in the width direction of 9 2098-5561-PF3 M301231, for the above-mentioned up and down movement. When the plurality of needles 1, 1 ... are lowered, they are inserted. Rectangular feed holes 3, 3, ... for feeding teeth are formed on the front and rear sides and on both sides of the needle dropping holes 3, .... Drop to the upper part of the presser foot 2 (refer to Figure 3). By the movement of the feed holes 31, 31... protruding from the needle plate 3 (not shown), it is designated on the needle plate 3, as indicated by the arrow in the figure, from one side of the long direction to the other. The side is fed into the fabric. The cloth (not shown) is clamped to the needle plate 3 and

Intermittent feeding on the stroke of the step is performed by dropping the needle hole 3 〇, . . . , and the bending wheel which is not shown in the position. The mechanism 4 has a base 4G located in front of the needle plate 3 and fixed to the inner side of the front end of the sewing machine seat B. The cutter shaft 4 erected on the base 40 is movable on the cutter shaft 41. The cutter 42 and the fixed cutter 43 that is slidably attached to the movable cutter 42 from the right side of the figure. The movable cutter 42 is driven by the transmission of the spindle main shaft (not shown), and is slidably connected. After the solid knife 43, the edge of the fabric fed onto the needle plate 3 is cut. The cutter table I is connected and fixed by a plurality of stop bolts. The above-mentioned long square #, by the sigh on the base 4G - the pair of support frame Yang 4Ga is being pumped, the shaft is rotated by 1 and rotated, and the needle plate 3 is transversely cut in the left-right direction, that is, it is erected transversely to the direction in which the cloth is evaluated. The white cutter is straight to the front end of the movable cutter 42 at its front end. The bottom of the movable cutter 42 is fixedly fixed to the blade 4, and the cutter shaft 41 protrudes from the left side of the base 4 to the support frame 40 a. 2098-5561-PF3 10 M301231 The movable cutter 42 is configured to rotate back and forth in accordance with a cutter & 41 to be described later, and the blade portion 42a is rocked up and down. At the front portion of the needle plate 3, the left side is cut out. A notch portion 32 having a rectangular shape is formed in a width. When the blade portion 前端 at the tip end of the movable cutter 42 is moved upward, as shown in Fig. 4, the notch portion 32 protrudes from the needle plate 3. As shown in Fig. 5, the cutter 43 is a plate-like member which is formed in the longitudinal direction side = edge t into the blade portion 43a, and is attached to the support of the movable cutter to be supported by the base 4 The cutter table ", as shown in the figure: the longitudinal edge of the notch portion 32 is along the blade portion 43a. The blade portion 43a of the blade 43 is slidable from one side _一"-士·t movable The blade portion of the cutter 42 is not shown in Fig. 1, and the edge E of the cloth W is cut to perform the above-mentioned crease. The other end of the cymbal protrudes from the support of the base 4 On the right side of Zhu 4Ua, on the protruding part, if the ring of material is coaxially embedded and fixed, the bomb; the connection between the ring and the ring is equipped with a coil spring 46, the cutting knife and the limiting ring elastic force to the ancient (four) n #Moving cutter by the coil spring 46: = The knife that is attached to the front end side of the cutter shaft 41 can be pressed down to the fixed cutter 43. The knife #41 moves up and down to facilitate the cutting described above.== same side of the support abuts against the end face of a holder of 4 °, e.g.,

The thick fabric W is held by the movable cutter 42 and the fixed cutter J against the elastic force of the coil spring 46 to generate a gap between the cutters. Moreover, the elastic crest ring 45 and the restriction ring left movement limit the axial length direction of the cutter shaft ο to be adjusted. By the fixed position, the elastic force of the coil spring 2098-5561-PF3 11 M301231 46 can be increased or decreased by the cutting. The pressing strength of the blade portion 42a of the fixed cutter 42 and the blade portion 43a of the fixed cutter 43 can be appropriately adjusted. On the cutter shaft 41, between the support portions of the above-mentioned support frames 4A, 4A, the bottom of the transmission lever 6 is coaxially disposed. On the front end portion of the transmission lever 6, as shown in Fig. 5, a long hole is formed along the long direction. The transmission lever 6 is shown coupled to the elongated hole 6 via a fixing bolt 61. Two = connecting member 7' is coupled to a rotating shaft (not shown). The eccentric mechanism of the eccentric mechanism is coupled to the slit_spindle (not shown) in the base β, and the rotation of the crankshaft is performed corresponding to the slit, and the rotation of the crankshaft is performed at a predetermined angle of the shaft rotation. Structure on the moving shaft The rotation of the above-described sewing machine main shaft is transmitted to the moving shaft and the connecting member 7.兮摇Μ# #动核才6, the transmission lever 6 will shake the two to the table with the bottom of the transmission lever 6 in the side cutter. The movable turret 42 can be shaken by the 41 yue* mountain. The length of the rocking amount of the movable cutter 42 generated thereby is freely adjusted by changing the long hole 60 of the fixed = lever 6. The 丨 phase ^ _ _ fixed position can be shown that the Si is attached with a fixed cutter 43 of the cutter "4, as shown in Fig. 5, the original cylindrical branch "a large on one side" penetrates the base 4 The same. a. The support cylinder bolt is connected and held. The above cutter::; is connected by the support cylinder 44a and rotates within the support cylinder. Hold (4) When the length of the tube 44: ί front end is from the other side of the support frame 4 ° 8 is suitable for X, on the rear side of the far exit, there is a left and right for adjusting the cutter table 44 2098-5561-PF3 12 M301231 Directional adjustment device 5. Fig. 6 is a partial plan view of the fracture near the constituent portion of the adjusting device 5. The adjusting device 5 as shown in the figure includes a small-width engaging groove 5〇 formed on the peripheral surface of the rear side of the protruding portion of the supporting cylinder 44a in a direction orthogonal to the axis, and the screw shaft 5 and the card The sipe 5 〇 is opposed to the cutter shaft 41 in a parallel manner, and the disc-shaped operation dial 52 is coaxially embedded on the end side of the screw shaft 51, and the portion of the closing surface is engaged with The engaging groove 50 〇 the screw 53 of one of the bases of the screw shaft 5 disposed inside the sewing machine seat 8 is screwed over an appropriate length, and the shaft is rotated by the rotation operation of the operation dial 52. The screw hole 53 is screwed in the left-right direction. The operation dial 52 can also be displaced in the left-right direction corresponding to the screwing, and is disposed on the side of the engaging groove around the protruding portion of the support cylinder 44a. The support cylinder 44a is inserted through the support frame 4A of the base 4, and is fixed by the connection bolt 48. When the connection is released, the support can be moved in the axial direction. Next, the connection bolt 48 is released. The fixing of the support cylinder 4 is performed at the operation end of the adjusting device 5 in this state. When the dial 52 is operated and the screw shaft 51 is screwed in, the support cylinder and the cutter table 44 are moved in the left-right direction by the pressing force applied to the engagement groove 5 by the operation dial 52. The fixed cutter 43 attached to the cutter table 44 and the movable jaw 42 that is slidably attached thereto can also move in the left-right direction, and the sliding portions of the two cutters 42 and 43 can change the cutting position of the cloth as described above. 2098-5561-PF3 13 M301231 In Fig. 6, the state of moving to the right is indicated by a solid line, and the device moving to the left is indicated by a center line. If the above adjusting device 5 has a screw shaft including the body of the operating dial 52 51' can form an engagement groove 52 that engages with the engagement groove 45a of the support cylinder 44a which is a part of the cutter table 44, and a screw hole that is screwed into the screw shaft 51 and formed at the portion of the slit machine B The simple configuration of the 53, by the rotation operation of the above-described operation dial 52, the cutting position of the cloth on the needle plate 3 can be easily and correctly adjusted, as shown in Fig. 2, which can freely correspond to different Fold back the crease of the width D. And in the above embodiment, the screw shaft The operation dial 52 provided for the rotation operation of 51 is also used as the engagement portion of the cutter table 44, and the engagement portion and the operation dial 52 may be different objects. Further, the connection support cylinder 44a is provided. The connecting bolt 48 is fixed by the connection of the connecting bolt 48 as described above. Then, the movable cutter 42 and the fixed cutter can stably cut and cut the fabric. In the above-described configuration, the movable cutter 42 is moved in and out from the notch P32 provided on the left side of the needle plate 3. As shown in Fig. 1, the state in which the folded-back edge E is cut on the back side of the cloth W will be described. The notch portion into which the cutter 42 is inserted is provided on the right side of the needle plate 3, and the cloth is cut on the right side of the needle drop position. The sewing machine having the cutter having this configuration can also be applied to the present invention. Further, in the above embodiment, although the application example of the sewing machine for the flat seam is explained, the present invention is also applicable to a sewing machine other than the flat seam. As described above, the first new type of sewing machine with a cutter makes the shaft length of the 2098-5561-PF3 14 M301231 shaft = the cutter shaft and the cutter table to which the fixed cutter is mounted moves in the cutter, that is, The left and right direction can be moved, and the cutting position of the front edge of the needle drop position can be easily and accurately changed by the device for the cutting head, and the folding width can be changed correspondingly. In the second type of slitting machine with a cutter, the screw shaft which is screwed to the screw hole of the base is engaged with the cutter table, and the screw of the screw shaft is used to move the cutter table structure. . The third type of cutting, sewing, and money of this creation, because the operation dial for rotating the screw shaft is also used as the card σ of the Y, the fabric can be easily changed by the movement adjustment of the cutter table. The adjustment device for the cut-off position. "This is the fourth new type of sewing machine with a cutting knife. Because of the fixed position of the cutting position of the cutting table that is moved and adjusted by adjusting the 1 fixed solid, the moving position after t is The creation of the edge of the fabric is stably carried out, and the same seam product such as the mouth is provided, and the creation achieves excellent effects. The above-described embodiment in the detailed description column of the creation is intended to completely indicate the creation. The technical content, but the creation is not limited to the narrow interpretation of the examples of the corpus, and various changes can be made in the scope of the present invention and the scope of the patent application. [Simplified description] Fig. 1 is an explanatory view showing an implementation state of a crease using a sewing machine having a cutter. Fig. 2A and 2B are diagrams showing a folding width of a crease. 2098-5561-PF3 15 M301231 Fig. 3 is a tool (a) The three-dimensional figure of the structure of the king body has a three-dimensional diagram of the construction of the knives of the knives. The fifth figure of the trowel mechanism has the structure of the knives of the knives. Three-dimensional exploded view. Figure 6 is a plan view of the vicinity of the structural section of the adjustment device.

2~ presser foot; 4~ cutter mechanism; 6~ drive lever; 3 0~ drop pinhole;

The main component symbol says 1~'needle; 3~ needle plate; 5~ adjustment device; 7~ connection structure, · 31, "rectangular hole 4 0~ abutment; 41~ / cutter shaft; 42a, ~ knife section; 43a, ~ knife part; 44a, ~ support tube; 46~ coil spring; 48~ connecting bolt; 51~ screw shaft; 53~ screw hole; 61~ fixing bolt; 2098-5561-PF3 32, / notch; 40a ~ Support frame; 42~ 'movable cutter; 43~ fixed cutter; 44~ cutter table; 4 5~ spring adapter; 47~ restriction ring; 50~ engagement groove; 52~ operation dial 60~ long hole; A ~ sewing machine arm; 16 M301231 B ~ sewing machine seat; C ~ foot part; D ~ fold back width; E ~ fold back edge; W ~ cloth.

2098-5561-PF3 17

Claims (1)

M301231 Nine, the scope of application for patents: • A slitting machine with a knife cutter, including: a cutter shaft, which is moved by a main (four) movement inside the sewing machine seat, so that:::::::: a knife mounted on the cutter shaft to swing up and down; _ should be rotated back and forth : the knife table 'supports the above-mentioned cutter #, and can move to the axial length of the cutter shaft, and has an integrally formed support cylinder; a fixed cutter is mounted on the cutter table, and is slidably connected to the above One side 'cuts the edge of the fabric fed to the seaming cradle; and the adjusting device applies pressure to the support cylinder to move the upper stage in order to change the cutting position according to the fixed cutter and the movable edge The position can be adjusted together with the above fixed cutter and movable cutter. 2. If you apply for a patent range! The above-mentioned adjusting device comprises: a screw hole which is screwed to the sewing machine seat; the screw shaft is screwed in the left and right direction by a rotating operation; and the engaging The portion is disposed on one of the screw shafts and is engaged with the support cylinder. 3. The sewing machine with a knife according to the second aspect of the invention, wherein the engaging portion is also used as an operating dial for fitting the screw shaft to the screw shaft for applying a rotational operating force to the screw shaft. . 4. The sewing machine according to the invention of claim 2, wherein the sewing machine further comprises a fixing device, and the cutter table is fixed at an appropriate moving position adjusted by the adjusting device. 2098-5561-PF3 18