TWI312020B - - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a longitudinal cylindrical sewing machine having a main feed tooth protruding from a front end of a cylindrical base on one side of a sewing machine body (main feed d〇g ) and the differential feed dog, which hunts the movement of the cloth in the axial direction of the cylindrical base. [Prior Art] The sleeve portion of the various fabrics and the tubular portion of the body length The sewing of the part is made into a cylindrical shape, and the edges which overlap with the appropriate width are mutually sewed. In order to carry out such sewing, the longitudinal cylindrical shape of the meal is used, and the stalk arm and the tubular shape are used. The pedestal is slightly parallel to the upper and lower sides of the main body of the sewing machine. ... the sewing system made to the cylindrical sewing machine will hold the part where the cloth is overlapped at the front end of the two = seat, and the needle plate at the front end of the base (the sacred one..." Between the presser foot ( , , continuation, presser f〇〇t ), the wheeled I set inside the cylindrical base is operated by a 咏-shaped base equipped with ^ ^ ^ 鞠迗 (f eed dogs) The front end of the front end of the shaft is the same as the inside of the cylindrical base...: "Xlal feed" is rotated. The earthen door. The combination of the movement of the teeth of the wheel produces the elliptical transport and the front and rear of the machine. It is pressed into the bottom end of the cylindrical base by the wheel-feeding #solid-set system on the needle plate and then moved back. Qiu Zhanhong &

2098-7338-PF 1312020 The presser foot is lifted up and pulled out at the front end side of the cylindrical base to be recovered.

The elliptical motion of the above-mentioned wheel teeth, as is widely known, converts the rotation of the main shaft of the sewing machine into an up-and-down conveyance and a forward-and-forward conveyance oscillation by an individual eccentric ring, and the oscillating weights of the conveying arms are individually conveyed. The ring is transferred to the wheel teeth. However, in the longitudinal cylindrical =, - knife, the conveying teeth at the front end of the cylindrical base are separated from the sewing machine main shaft on the inner side of the sewing machine body, for example, as described in the Republic of China Patent Publication No. 4 67 1 55, the conveying teeth will be conveyed. A feed bar fixed to the front end is disposed inside the cylindrical base and extends in the axial length = direction. A transport mechanism including the eccentric weir, the transfer arm, and the transport ring is formed between the bottom of the transport table and the main shaft of the sewing machine. Then, in the sewn sewing machine (c〇vering chainstitch (4)咄1110, double-stitch sewing machine (double chainstitch, there are conveying teeth in front of and behind the needle drop position) (different i-ui and main delivery teeth) The forward and backward movement of the wheel teeth can be individually changed and adjusted. This block; _ π is the adjustment of this fork is set separately for the two-wheel tooth movement before and after the wheel i off ff I i (differential wheel The arm and the main transport arm are only changed by changing the amount of swing of the transport arms. In this case, the differential transport can be performed and the front and rear movements of the main transport teeth can be changed and changed. The adjustment of the amount of conveyance, and the change of the difference, and the swinging of the wheel of the wheel, the change of the rear wheel feed amount of the differential transport ω to the differential adjustment of the front and rear transport amount of the main transport tooth of the horse is adjusted. The position of the differential needle is adjusted, for example, when the wall is made Α丄 _ sewing the stretchable fabric, the differential conveyance Μ k on the front side, the scoop wheel delivery ratio is lower than the needle drop position

2098-7338-PF 1312020 The conveying amount of the feeding teeth is large, so that the above-mentioned fabric is sewn in the desired conveyance (so-called shrink-spinning), and conversely, when the sewing does not have the extension = fabric, the conveyance amount of the differential conveying tooth is larger than that of the main The above-mentioned fabric of the transporting tooth is sewn in the state of being stretched (the so-called stretch ^ ^ ^, according to the type of fabric to be sewn, the appropriate (10) system. Clothing), the differential transport arm for differential adjustment In the case of the transfer mechanism, the differential transport mechanism has a slide member that is mounted in the differential transfer direction and can be π-moved, and the slider is coupled to the differential feed tooth to change the slide. The sliding of the piece is effective for the length of the arm. The same thick differential wheeling mechanism is used to expose the longitudinal cylindrical seaming machine of the above-mentioned medium contending for the Republic of China 4 6 71 5 5 . The differential wheeling mechanism connects the differential wheel and the main conveying tooth before and after the needle drop position to the other conveying arm via the swaying member, and the sliding member on the individual, "transfer arm" In the position change, the conveyance amount of the main conveyance tooth is relatively changed by the conveyance amount of the differential conveyance tooth, and differential adjustment is performed. Then, in the longitudinal cylindrical sewing machine, the transport arm (the differential transport running V # and the main transport arm) that is coupled to the main shaft of the sewing machine via the eccentric ring is disposed on the side of the cylindrical bottom 1 protruding from the seam rushing body. There is a lack of space in the periphery of the arrangement position, and it is difficult to install and operate the mounting device that is attached to the position of the slider of the delivery arm. In the above-mentioned Republic of China Patent Publication No. 46 71 55, the operating device for changing the sliding position of the slider is not disclosed, for example, 'in the vicinity of the arrangement position of the transport arm, a part of the cylindrical base For opening 'Although the position of the slider can be changed via the opening part, here

2098-7338-PF 7 !312020 In the case, Fen #, melon & , ^ The differential adjustment of the position change of the lunar moving parts must be applied, it is difficult to LV a. soil, 丨义, 贝以 manually, quickly according to the cloth The type is appropriate for the difference, and it is inconvenient to use. In view of the above, the object of the present invention is to provide a differential mechanism for the Tie-Tro machine to be disposed in the cylindrical shape of its wide-length longitudinal cylindrical slit τ·, the inner side of the bottom of the shaped base. w %~ρ can be carried out from the outside of the main body of the sewing machine 33, and it is fast and sure (4). The type of the fabric is abundance of the apricot, and the ground is based on the differential state of the type to achieve convenient use. The first invention of the χ χ , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 在内 在内 在内 在内 在内 在内 在内 在内 在内 在内 在内 在内 在内 在内The front end of the arm and the cylindrical base, in the county Xu Shixin, the main transmission of the same-shaped base in the longitudinal direction of the main transmission - the above-mentioned seam machine main (four) by the transmission and respectively generate motion == on the axis of the long-distance plexus s In the above, the longitudinal and cylindrical bases of the needle drop position of the front end of the cylindrical boring machine are placed on the two sides of the above-mentioned sewing machine main shaft. The front-rear movement structure of the differential transfer window is disposed on the side of the differential transport mechanism, and has a rocker arm that swings up and down in the differential transfer machine. The front end of the rocker arm and the upper side == the connecting rocker arm connected to the inner side of the sewing machine body έ 差 差 差 έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ έ a cylindrical shape protruding from the lower side of the body of the rushing machine

2098-7338-PF

S u12020 The differential conveying mechanism on the inner side of the earthen seat, through the * connecting rod, even the gentleman to the inside of the company. So far, placed on the inside and outside of the sewing machine body, the rocker arm. The rocker arm is swayed from the body of the squatting machine, and the sway is made by the swaying side 4 to change the conveying amount of the differential conveying teeth. The differential wheeling mechanism, and the present invention The sewing conveyance mechanism of the second invention includes a sliding 'b# disassembling conveying arm that slides around the differential conveying arm by a driving from the upper, the t, and the main shaft of the sewing machine In the direction, the axial length of the cylindrical base is provided at the front end, the difference between the transport table and the slider is Si: the transfer table, and the connection is connected to the slider. The dry link is in the present invention. In the middle of the cylindrical base, the moving wheel mechanism is driven by the drive from the main shaft of the sewing machine, so that the sliding member is connected to the differential differential gear that is differentially driven by the sliding member. The known structure is a 4I-tooth conveying platform, and the sliding member is configured to be connected to the swing arm by the #连连, the , and the connecting rod of the rocker arm, and the differential sliding position is changed and increased or decreased. The invention of the present invention is the same as the differential wheel of the slider on the play arm The differential adjustment device of the invention is: * In the first or second invention, the differential shaft is fixed to the differential adjustment end of the differential sewing machine body, and is fixed at = a differential of the extending end of the inner side of the body on the outer side of the machine body; the front end of the slit adjusting arm of the adjusting shaft and the above-mentioned I, and the differential adjusting link connecting the difference and the end of the rocker arm.

2098-7338-PF 1312020 In this invention, the sewing machine is used to make the Taiji m operation. The differential adjustment lever is arranged on the side of the sewing machine body, and the operation of the mast is carried out for 6 weeks. The inner side of the differential side of the machine body, even through the differential (four) machine body to the rocking adjustment link of the seam robbery m, transmits the adjustment of the movement; the difference corresponding to the swing of the rocker arm = the purpose of the invention and the new For the characteristics of Lai, refer to the detailed month below, and the additional schema can be more clearly understood. [Embodiment] The embodiment of the present invention will be described in detail with reference to the drawings. Figure 1 is a perspective view of the appearance of the present. The sewing machine of the present invention is as shown in the figure: has a thin mouth: on the side of the side of the seaming machine body 1 on the platform 1 (), the protrusion 2 is slightly flat: the same-shaped base 2, forming and cylindrical in the upper side of the same side The pedestal is provided with a slit-shaped, longitudinal arm-shaped slitting machine of the % arm 3. In the inner side of the sewing machine body 1, the squatting direction of the cylindrical base 2 and the slitting arm 3 is slightly larger than the direction of the axial length. The sewing machine main shaft 11 is being erected. \工早® u has one end that is hollowed out from the side wall of the outer teeth of the Belgian sewing machine body, 4, the drive pulley 1 2 fitting circumference ~ the lower position of the table 10, the clip _ mouth is attached to the protrusion, the configuration The output end of the sewing machine motor of the base drive belt 1 q is coupled to the main slot H of the seam rush machine via the machine main. The slit structure thus constructed is rotated by the driving belt 13 and the rotation of the sewing machine motor, and the needle plate 20 is disposed on the front end portion of the binding base 2 transmitted by the driving pulley 12, In the needle

2098-7338-PF 10 1312020 The upper side of the plate 20 is made to have the longitudinal direction of the cylindrical base 2. On the other hand, the h becomes the pinhole 21 on the other hand, and the 'rod (10) and the factory bar 31 of the slinger arm 3 are vertically supported; the lower end, the needle H of the house 31 The lower end to which the lower end is mounted with _= is mounted with the construction as described above, and the sewing cylinder base 2_a to the needle of the present invention; the sewing system made by the machine will be from the needle board 2. The upper fabric is held by: between the descending dust feet 33, 'the cloth passes through the conveying teeth; the second is moved by the moving teeth protruding from the needle plate 20, and the end conveying is synchronized with the conveying to make the needles 30 and :: base two action 'samely under the needle plate 2 本 the seam rush machine of the present invention is characterized by a ^7 yarn turning wheel action. i# ^il ΛΑ . The wheel drive of the sewing machine that drives the U 枓 上 Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ 。 。 。 。 。 。 The third is the transmission drive diagram of Figure 2. In addition, in the first..., it is possible to compare the three-dimensional relationship with the knot relationship. The joint of the turn is indicated by a white circle, and the relative rotation is not shown. Inverse, '·σ α卩 is marked with a black circle. Table 3: Open the second picture, the seam machine body! The outer shape of the cylindrical base 2 and the slit initial arm d are differentially moved by a two-point lock line table, and the front end portion of the homomorphic base 2 is arranged side by side as a differential wheel tooth. The front conveying tooth 4b of the main conveying tooth is divided into fire, 'r', and 1 feeding direction. The front conveying tooth 4a is fixed: the front end of the =4° front feeding table (9) extends from the cylindrical base 2 The "post-transfer molars 4b" are fixed to the front end of the rear feed table W which is placed on the side of the front feed table 4 and referred to Fig. 3).

2098-7338-PF 11 1312020 The sill 40 has a notch 延伸 extending in the longitudinal direction at the bottom end portion, and is supported by the support shaft 41 through the fulcrum 43 extending through the corner joint 44 held by the deficiencies 42 The inside of the cylindrical base 2. Further, the front feed table has a long hole 略 at a slight center in the direction of 4 〇, and has a long hole 47 at the front end side of the long hole 45. On the long hole '7 on the front side, the corner joint 48 which is connected to the holding table 41 is passed through. The corner joint 48 has a predetermined gap between the upper and lower sides and the rear, and is supported by a swinging guide (not shown) by a shaft 46 that is slidably fitted to the central long hole '5 as a fulcrum. The shaft 4 9 is supported from the rear side. The delivery table 40 of the above configuration may have a pivot shaft ((10)-) at the rear end and a forward and backward movement within a length range of the center 47 and the front end side. By the swing and the forward and backward movement 2: the front feed tooth of the front end of the front feed table 40 moves along the long circular path indicated by the arrow mark in Fig. 2. The rear end ΐ ^ is sent to the table 4 The back feed table 41 is independently moved forward and backward by the corner joints of the notch '2 and the front long hole 47, respectively, and the feed table 40 is connected to the corners. swing. By the =' of the rear feed table 41 being fixed to the rear conveyance teeth at the front end of the feed table 41, the long circular motion synchronized with the front feed teeth 4a is made in the other rear strokes different from the front conveyance. The up-and-down movement of the V U 4a and the rear feed teeth 4b and the sewing machine main shaft 11 in the front and rear trains n body 1 serve as a drive source. The slit, 'blade machine of the present invention is characterized by the front of the front wheel feed 4a as a differential conveying tooth

2098-733 8-PF 12 .1312020 The rear action system is variably adjusted as the main body, thus constituting the forward and backward movements of the transmission J transmission... and the rotation of the 'front conveying tooth' and the rear conveying machine main shaft 〖1 The movement of the link mechanism "going to the above-mentioned wheel feed table guide, right/no" is generated on the above-mentioned shaft 49, and the upper transmission is driven by the conveyance table guide before the conveyance table 40 and the rear wheel The conveyance drive system that transmits the second movement 'via the corner joint 48 to the one shown in Fig. 2 is the same as the taste. For example, if the Taigang is not in the cylindrical base 2, as shown in the bottom of the bottom of the figure n, the front and rear transport shafts are set to the sewing machine spindle 丨, and the glaze i 4 is fitted to the fixed 荖r 仃. In the middle of the rear wheel axle 1 4, the front end of the bottom end of the ugly wheel arm i 5 is coupled to the front end of the transmission, and the eccentric ring of the corresponding portion of the shuttle shaft 11 is: The eccentr is constructed by this, and the sprung m (1) machine spindle 11 rotates under the circumstance, too much to do with the eccentric ring 1 Θ of the arranging rod 丨 7 故 故 罝 犬 犬 犬 犬 犬 犬 犬 ^ ^ ^ ^ ^ , the front end of the delivery arm 15 at the front end of the wheel transfer rod 17 is pushed and pulled. The mountain door a is wrongly fed by the bottom end of the push wheel arm 15 to the β solid The axis diagram & 丄 14 14 corresponds to the eccentricity amount which is rotated by the rotation of the shaft center in the angular range. The front and rear transport shafts 4 + ^ t are in the middle of your shift 14 and are different from the transport arm 15 described above. In the position, the slide and the moving conveyance (differential conveying arm) 50 are fitted and fixed. The sliding conveying arm 50 is in the south and the moon is taken, and the sliding member 5 is held by the movement. The movable conveying link 52 is connected to the middle portion of the slab 40. With this configuration, the sliding arm 50 corresponds to the front of the front and rear conveying shafts 14.

2098-7338-PF 13 The rotation of the reverse rotation is caused by the vibration generated by the position of the slider 51 via the differential wheel and the rotation of the slider 2 is transmitted to the front feed table 40'. The front wheel is sent to the front and rear teeth 4a. The resulting front and back! The front and rear movement amount of 41, that is, the front wheel feed tooth 4a is slid and changed. In the figure: Fig.: by sliding, 50 causes the bottom end of the slider 51 boom 5〇# to be indicated by the line, and the slider 51 is in the slide At the front end side of 5°, the shackle line is shown as 'sliding member 51'. The differential transposition of the table 4 is: Wenda. Moreover, the sliding "50" has a curved f' curved shape, and the sliding #, 52^ linkage position is centered. The round feed port 4〇 and the front wheel are sent to the general system to slide the sliding arm 50, and the front and the other sides have no change in the rear position. The arm arm 5 and the slide arm 5 are not connected to each other at the same position as that of the above-described wheel, as shown in Fig. 3, and are connected via a connecting link 54. With this configuration, the back is: the front of the rocker arm 53 in the middle of the boring shaft 14

With the front and rear wheel 丨 4 k ^ ^ and the rear wheel feed 4b corresponding to the companion, the front and rear movement amount, g, the swinging rocker 5 3 swings, and the front and rear amount corresponds to the rocker arm I? The amount of swing of the front and rear wheel-carrying discs generated by the wheel 4b is generated by the previously-receivable front-to-feed tooth 4a, and the θ text is χ && j can be differentially adjusted between the rear wheels and I.刖 conveying teeth 4 a and De Yu, dragon | change eccentric ring 2:: send ... before and after the amount of conveyance by + bias, inside can be - and increase or decrease adjustment. For this adjustment, the adjustment mechanism can be a mechanism provided for various sewing machines that are changed in accordance with the conveyance of the cloth to be sewn, and the details and detailed description are omitted.

2098-7338-PF 14 1312020 As described above, the differential transfer mechanism 5 includes a slide arm (differential arm) 50 that swings on the front and rear transfer shafts 14 by a drive from the slot machine spindle 、, along which the slide a slider 51 that slides the arm 50, a feed tray 40 that extends in the longitudinal direction of the cylindrical base 2 and has a front conveyance tooth (differential conveyance tooth) 4a attached to the front end thereof, and a front feed tray 40 that is coupled to the slide The differential feed link 52 of the piece 51. The differential feed mechanism 5 is disposed inside the bottom of the cylindrical base 2 near the main shaft U of the sewing machine. Further, the bottom of the cylindrical base 2 is larger than the front end in order to accommodate various mechanisms including the differential conveying mechanism 5 as shown in Fig. 1 . On the other hand, on the inner side of the upper portion of the sewing machine body 1 in which the sewing arm 3 is protruded, the rocker arm 6 is pivotally supported by the support shaft 6 〇 which is slightly parallel to the main shaft of the sewing machine. The front end of the rocker arm 6 extends on the inner side of the sewing arm 3, and the upper position of the differential conveying mechanism 5 disposed on the inner side of the cylindrical base 2 is 'in detail' sliding along the sliding arm 5〇. The upper position of the member 51, the front end of the rocker arm 6 swinging up and down at this position, and the long connecting link 61 extending below the inner side of the sewing machine body 1 is connected to the mouse, μ, +, , wind 4. Reverse, .'σ on the slider 51 described above. Further, the connecting link 2 has a curved shape as shown in Fig. 2 to avoid interference with the front wall of the sewing machine main body i, and the rocker arm 6 is also curved in shape to avoid the transmission with the above-mentioned needle bar 30. The various transmission mechanisms placed inside the sewing arm 3 are interfered by the towering machine. The side wall of the side that penetrates the side is protruded from the front end of the seaming machine. The differential differential body 1 is fixed to the middle portion of the sewing machine body 1, and the adjustment shaft 70 is rotatably supported. One of the differential adjustment shafts 70

2098-7338-PF 15 1312020 is the lever 71. The differentially adjusts the outer side surface of the damage lever /, and extends the front end and the rear end along the sewing machine body to make the differential adjustment shaft 7〇# the upper and lower swinging operation and the differential adjustment lever by holding the front end. The outer side of the = =, the scale plate 72 includes a 丨 而 and the female broken scale 72. The hole 73. The differential adjustment is shown by the arcuate guide along the guide bow: the sway Side of the bar: the scale formed (not shown)

The lever 71 and the scale plate 72 are like a dry swing angle. The differential adjustment is shown in Figure 1. Moreover, the bottom of the differential adjustment arm 74 is embedded in the other two of the differential adjustment shafts 70 on the inner side of the eight-solid machine body 1. The front end of the differential adjustment arm 74 is biased via the differential adjustment link 75: :: ] Sincerely, e W g丨 history pole u and connected to the place - and, no. Further, the 'differential adjustment link 75' also has a curved shape as in Fig. 2, and avoids interference with the front wall of the slitter body i to cause connection with the rocker arm 6. By means of the differential adjustment axis 70, the difference 7 God...4 2# η H week, the phase rod 71, the differential adjustment #74 and the differential adjustment link 75 constitute an external operation of the sewing machine body} Differential adjustment device 7. In the differential adjustment device 17, by the operation of the differential adjustment lever 71 as the operation end, the rotation differential adjustment arm 74 is swung with the differential adjustment shaft 7〇, and the oscillation is transmitted to the differential adjustment link 75 via the differential adjustment link 75. The rocker arm 6 swings up and down with the support shaft 60 as an axis. In Fig. 2, the state of each portion in the case where the operation end of the differential adjustment lever 71 is at the lower position is indicated by a solid line, and the case of the upper position is indicated by a two-point lock line. In the case where the differential adjustment lever 7 is swingable to the upper position, 'by the rotation caused by the swing, the differential adjustment arm 74 swings inside the 2098-7338-PF 16 1312020 seaming machine body i This swing is transmitted to the front end of the rocker arm 6 via the differential adjustment link 75, and the rocker arm 6 swings upward with the spindle 6〇 as an axis. By the swinging, the connecting link 61 connected to the front end of the rocker arm 6 is pulled up, and a pulling force is applied to the lower end of the connecting link 61: the sliding member 51, and the sliding member 51 is along the sliding arm 5: The position slides 'as described above' before and after the front wheel feed 4a is produced: the summer becomes larger. Conversely, in the case where the differential adjustment lever 71 is operated to the lower position, the amount of forward and backward conveyance generated by the front conveyance #4a becomes small. One or two: It can be produced by the front conveying tooth 4a which is the differential gear feeding tooth, and the _ ^, 乍 is the main conveying tooth 4b of the rear conveying tooth 4b::: The rear conveying amount is made larger or smaller. Change and make differential adjustments. In the present rushing machine, such differential adjustment can be performed by the oscillating operation of the differential adjustment rail 71 disposed in the slitting machine, and is appropriately and accurately conveyed in accordance with the type of the cloth. In the inside of the η:: the operation of the adjusting device 7 is transmitted to the rocker arm 6 of the cylindrical base 2 bottom feeding mechanism 5, the side is arranged, the space is limited (4), and the inside of the sewing machine body 1 is opened. On the inner side of 2, the degree of freedom of design increases, and it becomes a design with a margin. The degree of freedom of the cymbal is also such that the upper portion of the rocker arm, in more detail (four), #仏 is located on the slightly positive side of the slightly positive member 51 of the differential conveying mechanism 5, and the LI generated by the sliding slid along the sliding arm 50 is thus slightly light. The ground suppression corresponds to the sliding arm 5°. The figure shows the influence of the front and rear movements of the front: table 4 of the rocker arm 6. The fourth picture, the explanatory diagram of the ringing. The vertical movement of the front and rear stage 40

2098-7338-PF 17 1312020, the port 40 is a sliding strain that is connected to the sliding line via the differential link 52; ... △ The sliding arm 5 0 h lunar member 51, the pedestal 4 〇 corresponds to the amount of sliding The itinerary moves around. On the other hand, the swing link 61 of the slide cymbal/1 is coupled to the front end of the rocker arm 6, and the slide member 51 is centered on the front end of the rocker arm 6 along a circle having a radius of the swing of the link. Arc Λ is produced. The effective length of the figure 4 shows that the front end position of the rocker arm 6 is located outside the sliding i H brother's fourth figure, which is slightly above the rocker arm 64 piece 51. The position is located as shown in the figure, in the f & limit of the swing angle of the sliding arm 50, and 5: to the case of the connection, the movement of the movement is up and down, ... Uncle & In the case of the 4th figure, in the case of the 4th figure, the π-ample-sliding arm 50f moves π & - the same direction. Therefore, as shown in the figure of the slider 4 between the yaw '50 turbulences, by making the yaw movement U, as shown slightly above, a small suppression can be generated, and the front is placed on the front feed table of the differential transfer mechanism 5. The front and rear movements of 40 should be slightly equal to the length of the swing arm 50. For example, although the rocker arm 6 can be disposed in the case where the configuration is adopted in a hurry, for example, the inside of the body 1 must be located at the inner side of the bottom of the cylindrical base 2 = not the front end of the rocker arm 6 must be The slightly positive movement of the station 4 Yishan and the wheeled institution 5 was stable. In the present invention, the other side of the transporting tooth "the inner side of the arming arm 3 does not solve the above problem." 9 by arranging the rocker arm in the slit and the differential adjusting device, for example, the rocker arm 6 The support vehicle can implement the swinging support shaft 6 of the rocker arm 6 to be disposed on one side of the slit arm 3,

2098-7338-PF 18 1312020 Operational inflammation structure with the difference of the face as the operation of the cylinder to the use of the difference can make the main wheel to install the operating lever on the ancient mysterious paper "text table in the a large out," by the The vehicle that operates the lever swings the rocker arm 6 by 60, etc., and the configuration shown in the embodiment is feasible. However, in the configuration in which the differential adjustment lever 71 is mounted on the side of the shaft 70 that passes through the side of the rushing machine body 1, The configuration of the differential adjustment lever 71 at the end, as shown in the figure, the front end of the shaped base 2 is a convenient effect of the operator's easy-to-operate position. In the above embodiment, although the front conveying tooth is "conveyed" The rear conveyance tray 4b is made into the main conveyance tooth, but the wheel #4b is a differential conveyance tooth, and the front conveyance tooth is formed into a feed tooth. In the sewing machine of the present invention disclosed in the above detailed description, the rocker arm inside the arm of the sewing machine is swayed and swayed through the inner side of the sewing machine body. Passed by 丄 逋 逋 逋 ' 至 至 差 差 配 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差 差Suspected (7) is very big, on the basis of the differential and private,., on the basis of the sounding device, it will be slightly above the adjustment of the differential wheel, so the two ends are arranged in the differential wheeling mechanism. Inhibition of the influence of the connection on the differential wheel flooding can be carried out by adjusting the ... θ π 迗 mechanism - 〕 stable transmission operation. Xn hair" slitting machine towel, using the sliding part of the sliding part of the differential wheel ~ on the arm of the arm, you can sew the fine peach melon 29 more differential conveying mechanism, the gentleman + from the outside of the sewing machine body can be used Convenience. Saki operation 'in a simple structure, in the third invention of the sewing machine, by being equipped with 鏠% machine

2098-7338-PF 19 1312020 The operation of the differential adjustment lever on the outer side of the body can be implemented by the sewing operator who performs the sewing on the front end of the cylindrical base. The present invention achieves good results. effect. The embodiments described above are merely for the technical content of the present invention, and the present invention is not limited to the embodiments described above. Various modifications can be made within the spirit and scope of the invention. ♦ [Simplified description of the drawings] Fig. 1 is a perspective view showing the appearance of the sewing machine of the present invention. Fig. 2 is a side view showing the configuration of a main portion of a sewing machine drive train of the present invention. Fig. 3 is a perspective view showing the connection of the respective portions of the transport drive system shown in Fig. 2; Figures 4A and 4B show the influence of the front end position of the rocker arm on the operation of the front transport stage. [Description of main component symbols] 1~Sewing machine body 2~Cylinder base 3~Sewing arm 4a~Differential conveying tooth 4 b~ Rear conveying tooth 6~Rocking arm can be more clarified, more actual points before and after customs clearance 2098 -7338-PF 20 1312020 7~Differential adjustment device 1 0~Abutment 11~Sewing machine spindle 1 2~Drive pulley 1 3~Drive belt 1 4~ Front and rear conveying shaft 1 5~Transporting arm 1 6~Eccentric ring 1 7~ Conveying rod 20 0 to needle plate 21 to conveying perforation 3 0 to needle rod 31 to pressing rod 32 to needle 3 3 to pressing foot 4 0 to front feeding stage 41 to rear feeding stage 4 2 to notch 4 3 to shaft 44 ~ Angle joint 4 5 ~ Long hole 4 6 ~ Support shaft 4 7 ~ Long hole 48 ~ Angle joint 2098-733 8-PF 21 1312020 4 9~ Axis 5 0~ Sliding transfer arm (differential transfer arm) 5 1 - Slider 52 - Differential feed link 53 - Rocker arm 5 4 - Connection link 6 0 - Support shaft 6 1 - Connection link 7 0 - Differential adjustment shaft 71 - Differential adjustment lever 7 2 - Scale plate 73 ~ Guide hole 74~ Differential adjustment arm 7 5~ Differential adjustment link

2098-7338-PF 22

Claims (1)

1312020 X. Patent application scope: 1- A sewing machine, which is located on the upper and lower sides of the inner body, has a slightly orthogonal to the sewing machine yV η, ^ ο U, .. machine spindle of the upper green machine Λ ρ 刀 突 突 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆 匆The toothed material is supplied to the cylinder in the axial length direction, and the vertical cylindrical sewing machine of the cloth includes: "the needle drop position differential conveying mechanism of the end is disposed on the inner side of the bottom of the cylindrical base" , the upper part of the ί:Ι::= is placed on the inner side of the seam arm with respect to the ^=^= front and rear rocker arm of the main conveying tooth, and the upper part of the moving conveying mechanism is swinged up and down. The U-shaped connecting link connects the front end of the rocker arm through the inner side of the sewing machine body; the moving wheel-feeding mechanism: the motion adjusting device that swings the rocker arm forward and backward in the sewing machine body. The invention relates to the sewing machine of claim 1, wherein the differential wheeling mechanism comprises: /, Τ a differential wheel, by the % from the spindle of the sewing machine and the spindle of the sewing machine a slightly parallel shaft swing; a sliding member sliding along the differential conveying arm; a table 'extending the axial length direction of the cylindrical base at the front end and having the differential wheel feeding teeth; and /, 209S-7338-PF 23 1312020 connects the conveying table and the sliding member, wherein the connecting link is coupled to the sliding member. 3. The sewing machine according to claim 1 or 2, wherein the differential adjustment device comprises: a differential adjustment shaft, an inner differential adjustment lever, and an outer extension of the machine body extends through the sewing machine body; The differential, gA* ^L & initial is the above-mentioned sewing end of the shaft; The extension end of the inner side of the machine body; and the differential adjustment link, which is connected to the body and the front of the arm, and the front end of the arm and the front end of the arm. 2098-7338-PF 24