TW585948B - Feeding device used for sewing machine - Google Patents

Abstract

Work-peace feeding device is provided for achieving an accurate control for sliding the feeding table to its sliding direction by having such a structure comprising: a right-left feeding teeth (27, 28, 65, 66); a feeding table (20); an up/down actuator (35) for actuating the right-left feeding teeth up and down; a lateral actuator (38) for actuating the right-left feeding teeth in the lateral direction, and a right-left actuators (51, 63) for actuating the right-left feeding teeth in the sliding direction being crossed over its own feeding direction, wherein further provided are a plurality of supportive axes (29a, 29b, 67, 68) being fixed to each of the teeth and arranged along the sliding direction, and a plurality of supportive holes (21c, 21d, 21m, 21n) supporting the supportive axes in such a way that allows the supportive axes movable along the sliding direction and being formed at both sides of the feeding table in the sliding direction.

Description

585948 Α7 Β7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (0 < Technical Field to which the Invention belongs > Feeding device of a sewing machine moving in a direction intersecting the feeding direction. ≪ Known technology > It is known that the feeding device of this kind of sewing machine is described in a special feature first proposed by the applicant. Kaiping Publication No. 2000-271364, it is known to move the left and right pushing cloth teeth to the sliding direction to isolate the feeds from each other. As shown in the figure, the device is a flat-shaped zigzag conveying table, and is placed on On the transfer table, the cloth pusher table 2 is pushed right and the cloth pusher table 3 is left, and one end side is fixed to the left and right cloth pusher tables 2 and 3 ′. At the other end, the left and right cloth pushers 4 and 5 are individually fixed and held. It is composed of parts 6, 7 and pins 8 4 arranged under the central cutout part of the conveying table. Left and right push cloth teeth 4, 5-the end side is fixed to the holding parts 6, 7 and after assembly, the other end side is Supported by other holding parts 6, 7 Pushing the cloth teeth tables 2 and 3 left and right, the operator-side tip ends 2a, 3a are slidably supported by the cloth teeth table guide groove portion 9, and support shafts 10, 11 are protruded on the anti-working side, respectively. The support shafts 10 and 11 are embedded in the support holes la formed in the cloth feeding table. Furthermore, the left and right moving equipment (not shown) is provided to give the father sliding in the cloth feeding direction in which the cloth tooth tables 2 and 3 are pushed left and right. After the movement in the direction γ, the left and right pusher racks 2 and 3 are guided to the support hole 1 & or the pusher rack guide groove portion 9 moves to the sliding direction γ. ≪ Problems to be Solved by the Invention > This type of sewing machine's cloth feeding device can perform flat-stitch sewing on the left and right sides of the cloth with isolated feeding, but it has two cloths on one side --- ^ ----- r --- t --- ------ (Please read the notes on the back before filling this page)

585948 585948 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs

A7 V. Description of the invention (3) The movement of the teeth in the sliding direction that intersects the feeding direction; In addition, the action of the left-right moving device can be given to the sliding direction, so that the left-right pushing cloth teeth are at least close to the needle plate. And it can be given to move in the sliding direction, so that the left and right push cloth teeth leave under the needle plate. If the invention according to item 丨 of the patent application scope is applied, the movement of the sliding direction of the pusher teeth to the left and right can be given to the needle (close to the cloth) during the feeding process, which can be processed across two pieces of cloth. Sewing with left and right ends. • The invention of claim 2 of the patent scope, in which the aforementioned left-right moving equipment includes: a supporting shaft (29a, 29b, 67, 68), which has a plurality of, and is individually fixed to the aforementioned left and right pushing cloth teeth, while The sliding direction is arranged; and, the support holes (21c, 21d, 21m, 21η) have a plurality of supporting shafts for supporting the building so that they can be individually moved along the sliding direction, and are formed at least on the two sides of the aforementioned I transfer table. End to side. If the invention according to item 2 of the scope of patent application is provided, the length (h) of the sliding direction of the cloth feed table will not be lengthened, and the device can be miniaturized. At the same time, when the sliding direction of the cloth pushing teeth is moved, A sewing machine device that prevents the occurrence of cracks in the cloth edges. For example, the invention in the third scope of the patent application, wherein the left-right moving device includes an upper and lower body (44), which is supported to slide in the up-and-down direction; push the cloth tooth links (45, 46) to the left and right, which are at one end side Connected to the upper and lower bodies, and the other end side is connected to the left and right pushing cloth teeth; and the connecting bolts (47, 48, 49) are provided for connecting the left and right pushing cloth tooth links with the upper and lower bodies or left and right pushing Tooth; and at least one of the connecting bolts is an eccentric bolt, and the eccentric bolt is held in a certain position. · Install ----------- Order --------- (Please read the notes on the back before filling this page)

This paper size applies the Chinese National Standard (CNS) A4 specification (21 × 297 mm). 5. Description of the invention (4) #According to the invention in the third patent claim, it is possible to change the holding position of the eccentricity inspection at the 疋 position. Finely adjust the position of the left and right push cloth teeth. For this reason, it is possible to give a more appropriate sliding movement in consideration of the balance of the left and right push cloth teeth. For example, the invention of claim 4 of the patent scope includes the right and left pusher teeth C27 28, 65, 66) 'It is formed by dividing the right pusher tooth and left pusher tooth along the feeding direction; transmission Tables (1, 2 ()) are those who can support the left and right pushing cloth teeth and can move in the direction crossing the feeding direction; the up and down device (35) 'can be given to the above left and right via the aforementioned conveying table The movement of the cloth pushing teeth in the up-down direction; the horizontal movement device (38) can impart the horizontal movement of the left and right cloth pushing teeth through the aforementioned conveying table; the left-right movement equipment (51, 63, actuator) can give the The left and right pushing teeth are moved in the feeding direction and the sliding direction; and the left and right moving device includes an upper body (44), which is given movement in the up and down direction and is supported to move up and down. Slide in the direction, push the cloth teeth link (45, 46) left and right, one end side is connected to the other upper and lower bodies, and the other end side is connected to the left and right cloth push teeth; and 'Phase changing equipment (40, 75, 76, 77) , 78, 79, 63, 60), can be moved up and down relative to the aforementioned conveyor The phase changes the phase of the upper and lower bodies. According to the invention in item 4 of the patent scope, the phase of the upper and lower bodies can be changed by the up and down movement of the conveying table by the phase changing device, so that the movement of the sliding direction of the left and right pushing teeth during the feeding can be close to the needle (close to the cloth), Or make it move by needles (stretching the cloth), or move in the direction of slipping (there is no stretching effect toward the cloth). Therefore, the adjustment of the phase changing equipment and the sewing conditions can be printed on the consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs to print 585948 A7 —-------- B7 —__ V. Description of the invention (5) ^ ~ The most appropriate movement . For example, the invention of the fifth scope of the patent application is configured with: the conveying table (1,2) can support the sliding cloth pushing teeth (88) so that it can move in the direction intersecting with the feeding direction; 35), which can be used to impart the movement of the 2 moving pusher teeth in the vertical direction through the aforementioned transmission platform; the horizontal moving device ㈣, can be used to transfer the horizontal direction of the sliding pusher teeth in the horizontal direction. Movement; left and right moving devices (5, 63, actuators) can impart movement in another direction that intersects with the feeding direction of the aforementioned sliding cloth pushing teeth; and,-the straight pushing cloth teeth are attached to the aforementioned sliding cloth pushing The cloth teeth are moved in one direction, and four conveying motions are given by the upper and lower conveying axes and the horizontal conveying axis. According to the invention in the scope of patent application No. 5, it is possible to sew a product with a straight-stability stability when it is close to the left-right direction. In particular, when pressing a cloth, there is a guide (wall) where the cloth is guided along the sewing direction, and the guide is automatically formed along the cloth end to improve the sewing quality. < Embodiment of invention > The first embodiment of the present invention will be described with reference to FIGS. 1 to 6. The conveying table 20 is inverted in a side view, and is composed of a main body portion 21 and a wrist portion 22. The main body portion 21 extends above the feed direction; the wrist portion 22 extends from the main body portion 21 to the lower side. It was zigzag. The main body portion 21 of the transfer table is formed with a rectangular mounting hole 21a on the rear side (opposite of the operator), and supporting holes 21e and 21d are formed parallel (opposite) along the γ direction perpendicular to the feeding direction so as to pass through the mounting hole 21a. The mounting hole 21a is formed with a recessed portion 21b on the front side (worker side) of the main body portion 21 of the transfer table. A support plate 25 is fixed on the upper portion of the recessed portion 21b, and a slide rail is formed by the support plate 25 and the recessed portion 21b (the size of the paper is adapted to the Chinese National Standard (CNS) A4 specification (210 X 297)) Μ .-- ------- ^ --------- (Please read the notes on the back before filling this page) 585948

2. Description of the invention (印 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs). The pusher teeth are divided into two right pusher teeth 27 and left pusher teeth 28 along the feed direction. The right pushing cloth tooth 27 is composed of a toothed portion 27a and a right holding portion 27b of a zigzag of the two ends of the fixed holding tooth portion 27a. The right holding portion 27b is placed on the upper flat surface of the right pusher table 23 and is fixed by screws (not shown). The long side is arranged along the cloth feeding direction X. The right pushing cloth tooth table 23 is constituted by a sliding portion 23a on the heel side (operator side) and a supporting portion 23b on the rear side. A fitting hole 23c is formed on a side surface of the support portion 23b along the sliding direction? (A direction perpendicular to the feeding direction). A notch hole (notch portion) 23d is formed near the fitting hole 23c. In addition, two projecting connection portions 23e and 23e are provided below the support portion 23b along the γ direction. Similarly, the left pushing cloth tooth 28 is composed of a tooth portion 28a and a left gripping portion 28b, a fitting hole 24c formed in the left gripping portion, and a cutout hole (cutout portion). The gripping portion 28b is fixed to the cloth pushing table 24. The left and right pushing teeth 23, 24 are installed in the mounting holes 21a of the transfer table 20, and the right support shaft 29a and the left support shaft 29b are respectively inserted into the support holes 21c, 21d on the side of the transfer table. The inserted right support shafts 29a and left support shafts 29b are respectively fixed through the fitting holes 23c and 24c of the cloth racks left and right, and are fixed at a certain position by screws (not shown). Both ends of the right support flutter shaft 29a are slidably supported by support holes 21c formed in the sliding direction Y, and both ends of the left support shaft 29b are slidably supported by the support holes 21d. In addition, a cutout hole (cutout portion) 24d is formed in the left pusher tooth base 24 corresponding to the portion where the right support shaft 29a is inserted. Corresponds to the Chinese paper standard (CNS) A4 size (210 X 297 public love) corresponding to the left paper size ----- I ί --- install ----- ^ ---- order ------ ------ (Please read the notes on the back before filling this page) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 585948 A7 B7 V. Description of the invention (7) The inserted part of the support shaft 29b is in The cloth tooth table 23 is pushed to the right to form a notch hole (notch portion) 23d. As is known, an upper and lower conveying shaft 30 and a horizontal conveying shaft 31 are arranged below the sewing machine base in the Y direction. A vertical transfer cam 32 is fixed to a leading end of the vertical transfer shaft 30. The projection 32a of the vertical transfer cam 32 is connected to one end side of the vertical transfer link 33, and the other end side of the vertical transfer link 33 is connected to the arm portion 22b of the transfer table via a shaft 34. After the sewing machine is driven to rotate the vertical transfer shaft 30, the vertical transfer cam 32, the vertical transfer link 33, and the shaft 34 are used to move the transfer table 20 up and down, and the cloth pushing teeth 27, 28 are moved up and down. The upper and lower conveying shafts 30, the upper and lower conveying cams 32, the upper and lower conveying links 33, and the shafts 34 constitute an up-and-down moving device 35. By means of a well-known horizontal conveying mechanism (not shown), the horizontal conveying shaft 31 is linked to the sewing machine drive for back and forth. Shake. The left end of the horizontal transfer shaft 31 is fixed to the lower end of the horizontal transfer arm 36. The upper end of the horizontal transfer arm 36 is rotatably connected to the rear end of the transfer table 1 via a shaft 37. After the sewing machine is driven, the horizontal transfer shaft 31 is reciprocated, and the horizontal movement of the transfer table 20 and the left and right pusher teeth 27, 28 via the horizontal transfer arm 36 and the shaft 37 is performed. The horizontal transfer shaft 31, the horizontal transfer wrist 36, and the shaft 37 constitute a horizontal moving device. An eccentric cam 40 is fixed to the vertical transfer shaft 30. The eccentric cam 40 is connected to the left and right transfer links 41. The free end sides of the left and right transmission links 41 are connected to the interlocking arm 42a of the interlocking body 42 via a shaft 41a. The j-shaped interlocking body 42 is rotatably supported by the horizontal transfer shaft 31. One of the protruding portions is a linking arm 42a, and the other is a bearing portion 42b. By omitting the screws shown in the figure, this paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) ------------- installation ----- „---- Order --------- (Please read the precautions on the back before filling out this page) 10 Printed by the Intellectual Property Bureau Employee Consumer Cooperative of the Ministry of Economic Affairs 585948 A7 ------- B7 —___ V. Description of Invention (The reciprocating motion of the upper and lower bodies 44 is provided with movements in the sliding direction γ perpendicular to the feeding direction through the left and right push tooth racks 23 and 24 via the left and right push cloth tooth links 45 and 46. The interlocking body 42, the shaft 43, the upper and lower bodies 44, and the left and right pushing cloth teeth connecting rods 45 and 46 constitute the left and right moving equipment 51. The left and right pushing cloth teeth 27 and 28 can be slidably supported in the sliding direction of the conveying table 20, on the one hand Is connected to the upper and lower body 44 constituting the left-right moving device. Furthermore, the left-right moving device 51 is given a motion vector (the former) in the up-down direction of the upper-lower body 44 and the vertical motion vector ( The latter) gives the movement in the sliding direction of the left and right pushing cloth teeth. Moreover, the motion vector of the former and the latter When the difference is zero, the movement in the sliding direction of the left and right pushing cloth teeth is zero. In addition, when (moving amount of the conveying table 20) > (moving amount of the upper and lower bodies 44) when rising, the left and right pushing cloth teeth slide The movement in the direction is close to the direction of the needle (the effect of reducing the cloth or approaching the cloth). In addition, when moving up (the amount of movement of the conveyor 20) < The direction away from the needle (the action of the extension cloth). As shown in Figure 2, the left and right pusher racks 23 and 24 after assembly are installed in the mounting holes 21a and fixed to the left and right support shafts of each pusher rack. 29 & and 29b are support holes 21C and 21d that can be slidably supported along the sliding direction γ along the sliding direction γ. In addition, the sliding portions 23a and 24a of each pusher gear table are by slide rails (clamping device) 26. It is slidably supported along the sliding direction γ. When the left and right pusher teeth are moved away from each other by using the left-right moving device 51, the right pusher tooth side wall 23f and the left pusher tooth The table side wall 24f is in contact with each of the feeding tables. Mounting hole side walls 21e, 21f. Installation ----- Γ --- Order --------- (Please read the precautions on the back before filling this page)

-12-585948 A7

V. Description of the invention (])) The hole side walls 21e, 21f lock the left and right pusher teeth tables 23, 24 and have a brake function. In addition, as shown in Figs. 2 to 6, the teeth portions of the left and right push cloth teeth 27, 28 are fixed to their both ends by the holding portions 27b, 28b. For this reason, rigidity can be resisted against the load from above. For this reason, even when a large load acts on the pusher teeth during feeding, the pusher teeth are not inclined, so the straightness of the cloth can be maintained. Further, in the state of assembling the device, the grip portions 27b, 28b of the left and right pusher teeth are arranged to form a layer (layered shape) with a certain gap therebetween. In addition, a reinforcing rib 27ba is protruded on the left end side by the grip portion 2%, and a reinforcing rib 28ba is protruded on the right end side by the grip portion 28b. For this reason, the shape of the side surface of the grip portion is formed into a zigzag shape and an inverse zigzag shape. As described above, since the grip portions 27b and 28b are not worn away from each other, the life of the lifting device is increased, and since reinforcing ribs are provided, it is not necessary to obtain more space, and it is possible to improve rigidity. The operation of the first embodiment will be described. Initially, after the sewing machine is driven to rotate the upper and lower conveying shafts 30, the upper and lower movements of the conveying table 20 are provided via the upper and lower conveying cams 32 via the upper and lower conveying links 33. In addition, the horizontal transfer shaft 3 i is rotated (swinged) by a horizontal transfer driving mechanism (not shown), and the horizontal transfer shaft 31 is rotated to give a horizontal movement to the transfer table 20 via the horizontal transfer arm 36. By the vertical movement and horizontal movement of the transfer table 20, the cloth teeth 27, 28 are pushed left and right to perform the same four transfer movements as conventionally known. In this implementation type, the size of the paper is adapted to the Chinese National Standard (CNS) A4 (210 X 297 mm) by the rotation and eccentricity of the upper and lower conveying shafts 30 (Please read the precautions on the back before filling this page). ----- ^ — Order -------- I · Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 13 585948 A7

585948 Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 V. Description of the Invention (Synthetic movement of horizontal movement, the cloth is subjected to the force of the needle leaving the left and right directions, and the cloth is opened in the horizontal direction and sent to the cloth feeding direction In front of X. For this reason, in the zigzag type sewing machine and the upper decoration type sewing machine that are prone to wrinkles (known as wrinkles), if the first embodiment of the cloth feeding device is used, wrinkles will hardly occur. According to the first embodiment, since the plurality of support shafts 29a and 29b and the support holes 21c and 21d are included, the plurality of support shafts 29a and 29b are individually fixed to the left and right push cloth teeth 27 and 28, and The supporting holes 21 c and 21 d are respectively supported along the sliding direction γ to support the supporting shafts 29 a and 29 b, and are formed at both ends of the sliding direction of the conveying table 20; The length (h) in the sliding direction of the cloth feeding table is not extended, that is, the size of the cloth feeding device can be reduced, and burrs can be prevented from occurring when the cloth is moved in the sliding direction of the pushing teeth. Wrinkle can be surely prevented. In addition, the support holes 21c and 21d are positioned at a certain distance from the feeding direction X on the conveying table, and can be pushed to the left and right to push the cloth teeth 27 and 28 to the sliding direction Y. The up and down direction has a slide rail (engagement device) 26 that can be restricted, so that the size of the cloth feeding device can be reduced. At the same time, when the cloth is moved in the sliding direction of the left and right push teeth, burrs can be prevented from occurring. Wrinkle is surely prevented. In addition, one of the left and right pusher teeth has a cutout portion 23 (1, 24d) that allows the support shaft fixed to the other pusher teeth to move freely. The space is arranged so that the support shaft does not have the risk of hitting the spool and the spool shaft under the sewing machine. In addition, the feed can be miniaturized. ---- I l · (Please read the notes on the back before filling this page)

~ 15-585948 A7 B7 device printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. In addition, at the base of the transfer table, an angular mounting hole 21a is formed for mounting the left and right pusher racks. At the same time, the left and right pusher racks (23, 24) can be locked to the side wall part 21e of the angular mounting hole. With the structure of 21f, since the side wall portion of the conveying table 1 also serves as the brake function of the pusher racks on the left and right, the cloth feeding device can be made more compact. In addition, since the tooth portions 27 and 28 of the left and right push cloth teeth are fixed by the holding portions 27b and 28b, the left and right push cloth teeth have rigidity which can resist the load from the upper side, so they can be maintained. The straightness of the cloth. In addition, 'the holding portions of the aforementioned left and right pushing teeth or the rib-forming holding portions are arranged in a structure having a gap on one side and a layer forming a side' because the holding portions do not wear each other, the life of the device can be improved. Next, a second embodiment of the present invention will be described with reference to Fig. 7. The second embodiment is different from the first embodiment in that it is a left-right moving device. The same reference numerals are given to other parts that are the same, and descriptions thereof are omitted. The left-right moving device 63 includes: a motor 61, a swing plate 62, and a shaft 43, the motor 61 is fixed to the sewing machine frame; the swing plate 62 is fixed to the output shaft of the motor 61; and the shaft 43 is fixed at one end to The center of rotation of the rocking plate 62 is separated, and the other end is inserted into the long hole 44c of the upper and lower body 44. After the motor 61 is suspected, the rocking plate 61 and the shaft 43 are shaken to move the upper and lower body 44 in the vertical direction. As described in the first embodiment, the upper body of the upper and lower body 44 ----------- shang ----- r --- order --------- ( (Please read the notes on the back before filling out this page)

16 585948

V. Description of the invention (Add the relative motion of the down movement and the up and down movement of the conveyor 20, switch the left and right push cloth tooth links 45 and 46 to make the left and right push cloth teeth 27 and 28 approach or separate in the γ direction. (Please read the back first (Please fill in this page before filling in this page.) A controller (control device) 60 that controls the rotation of the motor 61 is connected to the motor 61. The control device 60 has a CPU, RPM, and RAM inside to detect the needle position of the needle up and down The signal and the operator can use the keyboard switch to input any δ or 疋 input setting device, which is connected to the input side of the CPU. After the CPU is calculated, the input signals and data are output to the motor 61 via the transmission circuit. The driving signal can move the left and right pusher teeth 27 and 28 closer to or away from the Y direction. Furthermore, by using the needle position signal, the motor 61 is rotated from the initial position to a certain amount when the cloth is fed (to make the ascending amount of the upper and lower bodies 44 transfer) The amount of rise of the stage 20 is large) clockwise, so that the left and right push cloth teeth 27, 28 are spaced apart from the γ direction. Thereafter, the motor 61 is rotated in the counterclockwise direction from the end of the feeding period, and then returned to the initial position. So that the left and right pushing cloth teeth 27, 28 approach the γ direction and return to the initial position. By moving the left and right pushing cloth teeth 27, 28 to the sliding direction, a crease-free seam is formed. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs In addition, contrary to the above-mentioned control, when the cloth is fed, the motor 61 is rotated from the initial position to a certain amount (the rising amount of the upper and lower bodies 44 is made smaller than that of the conveying table 20) in a clockwise direction, and the cloth teeth 27 are pushed left and right. And 28 are close to the γ direction (sin near the cloth). Thereafter, the motor 61 is rotated in the counterclockwise direction from the end of the feeding period, and it can also be controlled to return to the initial position. By this control, since the cloth is close to the inner side It is sewn, so it has the effect of preventing perforation (to prevent the seams of the cloth from being separated from each other when sewing). In addition, when feeding, set the conveying table 20 and the upper and lower bodies 44 to rise. This paper size applies Chinese national standards ( CNS) A4 specification (210 X 297 mm) 17 585948 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 ----------- V. Description of the invention (^ 's holding part 65bb. That is, left Push The free end side of the tooth is supported by the holding portion of the right pusher, and the free end side of the right pusher is supported by the left pusher. The pusher teeth support each other. The third embodiment In the same manner as in the first embodiment, the size of the cloth feeding device can be reduced. At the same time, when the cloth is moved in the sliding direction of the left and right pushing teeth, burrs can be prevented from occurring, and wrinkles can be reliably prevented. The fourth embodiment of the present invention will be described with reference to Fig. 9. Compared with the first embodiment, the shape of the support shaft and the support hole that guide the cloth racks to the right and left in the sliding direction is different from the first embodiment. The same reference numerals are assigned to other parts that are the same, and descriptions thereof are omitted. The cloth teeth tables 23 and 24 are pushed to the left and right, and the corner pins 67 and 68 are individually fixed along the sliding direction. Further, on the side surface of the transfer table 20, corner holes 21m and 21η penetrating in two directions are formed along the sliding direction. The corner holes 21m and 2In each support the corner bolts 67 and 68 in a slidable manner. According to the fourth embodiment, it is possible to more reliably prevent the occurrence of burrs. Next, a fifth embodiment of the present invention will be described with reference to Figs. 12 to 15. The fifth embodiment is different from the first embodiment in that the upper and lower bodies are connected to one of the end sides of the left and right pusher teeth connecting rods 45 and 46, and the other- The connection inspection of the end side and the left and right push cloth teeth tables 23 and 24 is different from the point of using the eccentric bolt. The structure of the vertical transfer shaft 30 and the eccentric cam fixed thereto will be described in more detail. The same reference numerals are given to other parts that are the same, and descriptions thereof are omitted. The eccentricity was initially explained. The circle of the lower body 44 on the top of Figure 12. Paper size_Chinese National Standard (CNS) A4 size (21 × 297 mm)

^ 装 --------- Order --------- ^ 9-, (Please read the notes on the back before filling out this page) 19 585948 A7 ____B7___ V. Description of the Invention (1 > Arc The eccentric projections 44d and 44e form eccentric bolt support holes 44da and 44ea along an axis parallel to the X direction. The eccentric bolt 70 includes a concentric front support portion 70b, a rear support portion 70a, and two supports. The eccentric part 70c of the two supporting parts between the two parts is eccentric. The two building parts 70a, 70b can be rotatably supported by the supporting holes 44da, 44ea of the other upper and lower bodies. In addition, left and right pushing cloth teeth are installed in the eccentric part 70c. The two ends of the connecting rod. After rotating the eccentric bolt 70, the cloth tooth links 45 and 46 are pushed left and right, and the cloth teeth 27 and 28 are pushed to the sliding direction to adjust the balance. After this adjustment, the illustration is omitted. The eccentric bolt 70 is fixed at a certain position with the screws and nuts shown. The left and right eccentric bolts 71 and 72 have the same structure as the eccentric bolt 70 described earlier. The right eccentric bolt 71 can be rotated to support the two parts 71. &, the supporting part 23e supported on the right pusher table, the same left eccentric bolt 72 can be rotated Push the connection part 24e of the cloth tooth table to the left. The right eccentric bolt 71 adjusts the initial position of the right cloth tooth table 27 in the sliding direction via the right cloth tooth table 23 by its rotation. In addition, the screws and nuts, etc. (not shown) are fixed. The position is fixed. Similarly, the left eccentric bolt 72 can be rotatably supported on the connecting portion 24e of the left pusher table to set the initial position of the sliding direction of the left pusher. In the fifth embodiment, three of them are used. The relative positions of the left and right pusher teeth have been adjusted for the eccentric plugs 70, 71, and 72, but it is also easy to consider that at least j eccentric plugs are used to change the relative positions of the left and right pusher teeth to give the most appropriate sliding direction movement. In addition, in this embodiment, the upper and lower bodies 44 push the left and right tooth bases to connect two links in a V shape, but it is also easy to consider using four eccentric bolts instead of parallel connections. For the combined structure of the upper and lower conveying shafts and eccentric cams, the paper size is applicable to the τguan family standard (CNS) A4 specification (χ 297) ------ Please read the precautions on the back before filling in this page to order Qin Ministry of Economic Affairs Printed by the Employee Property Cooperative of the Intellectual Property Bureau 20 585948 Printed by the Employee Property Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 --------- V. Description of the invention (Bismuth conveys the shaft 30 above and below Figure 15, fixed front view It is rectangular, and its long weaving adjusting platform 77 is arranged in the horizontal direction. The adjuster 78 is cylindrical, and the axis of the upper and lower shafts 30 and the axis of the adjuster 78 are arranged in parallel. The adjuster 78 is fixed at the center of its diameter. In the position where the amount is shifted, a groove 78a is formed along the horizontal direction. The outer shape 78c of the adjuster 78 is closely fitted to the connection holes 41b of the left and right transfer links 41. A long hole-like groove 78b is formed in the groove 78a of the regulator. The adjuster 78a is slightly wider than the adjuster 77 in the vertical direction. For this reason, after the adjuster 78 is mounted on the adjuster table 77, the adjuster 78 is slidably supported in the horizontal direction and fixed by a screw 79 at a certain position. FIG. 16 is an explanatory diagram of the state change of the adjustment position. The upper and lower transmission shafts 30 are moved to the left and right sides of the adjuster 78, so for the vertical vertical axis q of the upper and lower transmission shafts, the reference center line P of the outer diameter of the adjuster 78 is on the same line as (a), and for p and Q (B) when it is arranged in the right direction, and (c) when P and Q are arranged in the left direction. In the adjustment position of (a), the movement amount and phase of the upper and lower bodies 44 and the conveying table 20 in the up-down direction are consistent, and are set as the reference position. For this reason, when the adjuster 78 is fixed to the adjusting table 77 at the position of ⑷, and the upper and lower conveying shafts 30 and the left and right conveying links 41 are connected, the movement in the sliding direction of the cloth pushing teeth 23, 24 does not occur. At the adjustment position of ⑻, push the left and right cloth teeth toward the needle during feed to move the cloth closer to the inside. At the adjustment position of ⑷, the left and right pushing teeth move from the needle to the spaced direction during the feeding, making the cloth look like a stretched cloth. In addition, for 直线 for straight line p, straight

^ ----- r --- ^ --------- (Please read the notes on the back before filling this page) 22 585948

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs

The seventh, eighth, and ninth implementation types are added with the left and right pusher teeth that provide movement in the sliding direction (the direction that intersects with the feed direction), including the feed device of the straight forward feed teeth that includes the conventional four transfer motion. Modification. In the seventh embodiment of FIG. 17, straight pushing cloth teeth are provided along the feeding direction on both sides of the pushing cloth teeth 80 (right pushing cloth teeth) 81 (left pushing cloth teeth) of the left and right pushing cloth teeth that give movement in the sliding direction. 82, 83. These left and right pushing cloth teeth 80 and 81 are symmetrical along the feeding direction: 7-shaped oblique teeth. In addition, the rectilinear pusher teeth 82 and 83 are fixed to the transfer table 20 and perform a conventional fourth transfer motion. Since the cloth pushing teeth are arranged in this manner, the cloth can be stretched by the left and right pushing cloth teeth 80, 81, or the straight pushing cloth teeth 82, 83 can be maintained even when approaching. In addition, since the left and right push cloth teeth are made into oblique teeth, the cloth holding force in the left and right directions is increased, which is effective for the action of the cloth. The eighth embodiment of FIG. 18 is shown in the figure. On the upstream side of the cloth conveying direction, the left and right pushing cloth teeth 84 (right pushing cloth teeth) and 85 (left pushing cloth teeth) are provided. Straight feed dog teeth 86 are arranged on the downstream side in the feed direction. The needle is set between the left and right pusher teeth and the straight pusher teeth. For this reason, the cloth before sewing is stretched, or even when approaching (shrinking), it is conveyed by the straight-forward cloth pushing teeth 86 after sewing (after the needle), so the straightness of the cloth is stabilized. Another '----- · install ----- r --- order --------- (Please read the precautions on the back before filling this page)

This paper size is in accordance with Chinese National Standard (CNS) A4 specification (21 × 297 mm) 23-585948 A7 V. Description of the invention (negative outside, push the cloth teeth 84 and 85 along the feed direction, due to the symmetrical characters The oblique teeth are shaped, so that the cloth holding force in the left and right directions is increased, and the effect on the part is effective. In addition, in the ninth embodiment of FIG. 19, the straight pushing cloth teeth are arranged on the right side along the cloth feeding direction. 87. Sliding cloth pushing teeth 88 are arranged on the left side. The cloth pushing teeth 88 are fixed to one of the left and right cloth pushing tables 23 and 24 by the left and right moving device described above. Furthermore, the cloth pushing teeth are The rightward direction of motion is provided by a vertical conveying axis that provides four conveyance motions by the upper and lower conveying axes and the horizontal conveying axis. In addition, the left knotting teeth 88 are inclined teeth inclined toward the feeding direction. In this structure, Even if the sliding cloth pushing teeth 88 approach the cloth toward the straight cloth pushing teeth 87, the straight cloth pushing teeth 87 are arranged in the approaching direction, so that the cloth can be straightened. In particular, a guide cloth is provided in the cloth along the sewing direction. The occasion, the guide The movement is formed along the cloth end to improve the sewing quality. The invention is not limited to the above-mentioned embodiment, and various changes can be made. For example, in the first embodiment, ribs are provided on the left and right pushing cloth teeth 27 and 28, The right pushing cloth tooth 27 is made into an inverse L-shape when viewed from the side, and the left pushing cloth tooth 28 is made into an L-shape when viewed from the side. The rigidity of the cloth pushing tooth can be obtained without taking up space. As shown in FIG. 10, It can also be easily considered that the right push cloth teeth 27 are made into a L shape when viewed from the side, and the left push cloth teeth 28 are made into a zigzag shape when viewed from the side. In addition, it is also easy to consider that the right push cloth teeth are combined into a U shape when viewed from the side. Shape, the left pushing part teeth are combined into a side U-shaped zigzag shape. In addition, it is also easy to consider that the right pushing cloth teeth are combined into a side T shape, and the left pushing part teeth are combined into a side U shape. Or viewed from above, diagonal ribs form mutually different ribs. This paper is used in Zhongguanjia Standard (CNS) A4 specifications (21G χ 297 public meals -24 585948 A7 B7). 5. Description of the invention (in addition, in the first Implementation type 'can be assigned ^ towards the feeding direction crossing the left and right push cloth teeth 27, 28 The left and right moving lungs in the sliding direction are composed of the vertical transmission shaft 30, the interlocking body 42, the shaft 43, the upper and lower body 44, and the left and right pusher teeth connecting rods 45 and 46. Instead of this, it can be easily considered The left-right moving device is composed of two cylinders fixed to the conveying table along the sliding direction Y, and left and right pushing tooth tables 23 and 24 connected to the rods of the cylinder. At the same time, the cloth pusher can be moved up and down, and by controlling a large number of cylinders, the left and right cloth pushers can be spaced apart and approached to prevent wrinkling. In addition, in the second embodiment, a horse is used as a left and right moving device, but it is easy to think of Instead of this, an electromagnetic cylinder is used. That is, the rod is fixed to the sewing machine frame so that the rod of the electromagnetic cylinder faces vertically upward, and the rod is connected to the upper and lower bodies 44. The up-and-down movement of the electromagnetic cylinder, through the up-and-down body 44 and the like, allows the left and right pusher teeth to be spaced and approached, thereby preventing wrinkles. In addition, the above-mentioned motor, electromagnetic cylinder, and air cylinder are collectively referred to as actuators. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs In addition, in the above implementation mode, the sliding direction γ is only the straight direction of the feeding direction, but it can be easily imagined that the sliding direction is the left and right transmission directions as the feeding direction Reverse mouth shape. These directions are collectively referred to as directions crossing the feed. In addition, when using a phase changing device such as the above-mentioned motor, it is easy to think of controlling such that the sliding direction of the left and right pusher teeth does not move during reverse transmission. In addition, it is easy to think that even if the conventional conveying device 45 and its holding portion 67 of FIG. 11 are replaced with the pusher teeth 27 and 28 of the first embodiment, the rigidity of the pusher teeth on the left and right can be improved. 4 of the supporting shaft This paper size is applicable to China National Standard (CNS) A4 (210 X 297 public love) Printed by the Employees' Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 585948 A7 &quot; ------------- B7_______ 5. Description of the invention (do not have a support hole. In addition, in the above embodiment, it is easy to think of the so-called upper and lower bodies 44 and the left and right push cloth teeth tables 23 and 24, which means that the left and right push cloth teeth links are connected, and the connection The shape is a zigzag shape. In addition, the phase changing device of the above embodiment is a connection portion between the upper and lower transmission shafts 30 and the left and right transmission links 41, and uses an eccentric cam 75, an adjustment table 78, and an adjuster 78. Instead of these, It can be easily imagined that the above-mentioned phase changing device is used in the connection portion of the vertical transfer shaft 30 and the vertical transfer cam 32. &lt; Effect of the invention &gt; The length of the supporting hole and the length h in the sliding direction of the cloth feeding table become longer, which can prevent the occurrence of cracks in the edge of the cloth when it moves in the sliding direction of the pushing teeth left and right. Moreover, it can prevent the cloth feeding device of the sewing machine from being wrinkled. If you change the holding position of the eccentric bolt according to the invention in the third scope of the patent application, 'the position of the left and right pusher teeth can be fine-adjusted by holding at a certain position. For this reason, the balance of the left and right pusher teeth can be considered, and the most appropriate can be given. According to the invention in item 3 of the scope of patent application, if the phase change device is used, the phase of the upper and lower bodies can be changed by moving the needle bar up and down, so that the sliding direction of the cloth pushing teeth can be changed. The movement is close to the needle (shrink cloth), or it is separated by the needle (stretch cloth), or the movement in the sliding direction (without stretching toward the cloth) can be lost. Therefore, the adjustment of the phase changing equipment and the sewing conditions can give the most appropriate If the invention according to item 5 of the scope of patent application is applied, the sewing product can be made with the paper size applicable to China National Standard (CNS) A4 (210 x 297 cm) (Please read the notes on the back before filling out this page) i II L ----—— — — — — — — 26 Printed by the Intellectual Property Bureau Employee Consumer Cooperatives of the Ministry of Economic Affairs 585948 A7 --- _B7 V. Invention Explanation (There is a crime that goes straight to the left and right while sewing straight into the stable sewing. <Simple description of the drawing> Figure 1 is an exploded perspective view of the first embodiment. Figure 2 is the assembly of the first embodiment The next front view. Figure 3 is an exploded view of each part of Figure 2. Figure 4 is a side view of each part of Figure 2. Figure 5 is an exploded view and assembly diagram of the pusher teeth Figure 6 is the KK line junction view of Figure 5. Fig. 7 is an exploded perspective view of the second embodiment. Fig. 8 is an exploded perspective view of a third embodiment. Fig. 9 is a diagram of the fourth embodiment. Fig. 10 is a modification example of the pusher thread structure. FIG. 11 is a conventional gear pushing device. Fig. 12 is an exploded perspective view of a fifth embodiment. Fig. 13 is a side view of the main part of the fifth embodiment. Fig. 14 is a detailed view of a cam portion of the fifth embodiment. Fig. 15 is a detailed view of a cam portion of the sixth embodiment. Fig. 16 is an explanatory diagram of a cam portion adjustment position in the sixth embodiment. Fig. 17 is an explanatory diagram of a seventh embodiment. Fig. 18 is an explanatory diagram of an eighth embodiment. Fig. 19 is an explanatory diagram of a ninth embodiment. (Please read the precautions on the back before filling this page) Install ----..--- &quot; Order ---- ·

Claims (1)

585948 A8B8C8D8 h — A kind of cloth feeding device for sewing machine, including ... The left pusher is "separated into the right push cloth teeth according to the feed direction. Please read the precautions on the back before filling in this page. The horizontal moving device that gives the left and right pusher teeth in the up-and-down direction can move the left and right pusher teeth in the horizontal direction of the feed direction; The left and right mover devices can separate the left and right pusher teeth in the direction of the feed. In addition, the movement of the left-handed device can be given to move in the sliding direction to 'make the left and right push cloth teeth approach at least on the needle plate, and can be given to move in the slide direction so that the left and right push cloth teeth are in the needle. Those who leave under the board. 2. If the device of the patent application scope of the sewing machine of the initial sewing machine, the aforementioned left and right moving equipment includes: a support shaft, which has a plurality of, individually fixed to the aforementioned left and right push cloth teeth, At the same time, they are arranged along the sliding direction; and, the supporting hole has a plurality of supporting holes for supporting the supporting shaft to be individually movable along the sliding direction, and is formed at least in The two ends of the aforementioned conveying table. 3. If the cloth feeding device of the sewing machine according to item 1 of the patent application scope, wherein the left-right moving device includes: an upper body and a lower body which are supported to slide in the up-down direction; This paper size applies Chinese National Standard (CNS) M specification (210X297 mm) 585948 In addition, the scope of the patent application pushes the left and right push gear links, one end side is connected to the aforementioned upper and lower bodies, and the other end side is connected to the aforementioned left and right push teeth; and, ^ The connecting bolts have a plurality of connecting bolts, which are used to connect the left and right cloth pushing rods to the upper and lower bodies or the left and right cloth pushing teeth. At least one of the connecting bolts is an eccentric bolt, and the eccentric bolt is maintained in a certain position. 4 · A cloth feeding device of a sewing machine, including: left and right pushing cloth teeth, which are divided into right pushing cloth teeth along the feeding direction. Left pushing cloth teeth are formed; a conveying table can support the left and right pushing cloths. The cloth teeth can be moved in a direction that intersects with the feeding direction; The up and down equipment can move the left and right push cloth teeth in the up and down direction through the conveying table; The horizontal movement of the left and right pusher teeth can be imparted by the aforementioned conveying table; the left = moving device 'can provide the movement in the sliding direction of the parent and the left and right pusher teeth; The moving equipment includes: upper and lower bodies, which are given the movement in the up and down direction and are supported to slide in the up and down direction; the one end side of the right push cloth gear link supported by the support a is connected to the one end side of the upper and lower body. In the aforementioned left and right push cloth teeth, and the phase changing device, it is possible to change the phase of the upper and lower bodies relative to the aforementioned 'position. 、? Τ · (Please read the precautions on the back before filling in this page) 30 585948 A8 B8 C8 D8 VI. Patent Application Fan Garden 5. —The cloth feeding device of seed sewing machine, equipped with: Conveying table, can support Sliding cloth pushing teeth can be moved in the direction crossing the feeding direction; Up and down equipment can be given the movement of the sliding cloth pushing teeth in the up and down direction by the aforementioned conveying table; Horizontal movement equipment can be given by the aforementioned conveying table The horizontal movement of the sliding cloth pushing teeth; the left-right moving device can provide movement in a direction that intersects with the feeding direction of the sliding cloth pushing teeth; and, the straight pushing cloth pushing teeth are attached to the sliding cloth pushing teeth. Move one direction side and give the four-transport runners the upper and lower transfer axes and the horizontal transfer axis. 31 (Please read the precautions on the back before filling this page) This paper size is applicable to China National Standard (CNS) A4 (210X297 mm)