TWM365365U - Differential material-feeding control mechanism of sewing machine - Google Patents

Description

M365365 V. New description: [New technical field] This creation is a control structure that reduces the differential feed, especially, 歩 and a control mechanism that can reverse feed and differential feed. '[Prior Art] The development and resilience of the P4 button feeder, people pay more attention to the comfort and beauty of wearing, especially in the sewing process of leather products such as bags, handbags, shoes, etc. The complicated design promotes the method of sewing and rushing. Therefore, the existing age can realize the wire scale, and the material age must have two kinds of feeding methods and wheel feeding. The former mainly reads the amount of material by the feed amount of the forward moving tooth. Or more (commonly known as differential ratio), to produce a seam surface = Go wrinkle _ _; _ main _ up and down _ wheel and _ needle cooperate with each other 'change the relative movement speed of the upper and lower feed wheels to achieve car = leveling The unique effect of pleating. Miscellaneous: The tooth type also touches the wheel type of feeding. The sentence can be Wei __ face butterfly, _ riding type butterfly day material and transfer 2 secret touch, the miscellaneous type is called time and turn wheel, so use::: :^ Rules wheeled lion _ one-way beyond, can change the connecting rod: adjust the differential ratio in the center of the circle, but this _ outside 'such as pro-face _ (four) handle in 3 M365365 _ pin nailed In the case of the material 'in this case, the _ wheel relative to the machine needle is not synchronized, which will cause the feeding wheel to rub against the material and damage the material. [New content] The purpose of this creation is to provide a kind of wheel-feeding seam's control structure for shouting differential feeding. After installing the mechanism, it can realize reverse stitching and differential feeding. The purpose of this creation is to achieve this:

A slit_island matte structure, the feed rate of the bucking and finishing wheel' includes: a first and a second swinging member that are respectively subjected to a variable amount of reciprocating motion; one and two The oscillating member is pivotally connected to a second linking member of the first linking member pivotally connected to the first oscillating member; respectively: a third scaly and a fine linking member respectively connected to the first yoke; and a pivotal connection with the third linking member Third swinging member;

An adjusting mechanism coupled to the third swinging member; the input shaft of the cam is provided with an input shaft, and a radial cam roller is disposed thereon; -I (4) the upper 5 has a clutch - a left clutch and a right clutch Between: the moving ring, the two clutches of the pushing shaft are respectively provided with a positioning lining, and the second moving member connected with the roller and the pushing ring; the input shaft axial shaft is axially fixed On the housing. The control texture of the differential feeding of the sewing machine described in M365365 is characterized in that: a variable amount of back-slit device is arranged between the transmission shaft and the main shaft, and the power is reversed by the spindle through the deformation movement amount The device is transmitted to the transmission shaft, and the fifth linkage member and the sixth linkage member driven by the transmission shaft are respectively connected to the lower feeding shaft through a clutch. The control structure of the slit-differential feeding is as follows: on the fifth secret piece of the second crane piece, the sixth row of the ship is pivotally connected to the fifth pendulum and the moving piece A oscillating member, a second oscillating member and a fifth oscillating member are respectively disposed on the transmission shaft through a pivot hole thereon. The (4) mechanism of the slit-difference material is characterized in that: the first swinging member is provided with a connecting hole, and the first connecting member is provided with a pivoting hole, and a lock passes through the engaging hole The first swinging member and the first-linking member are pivotally connected. The slit-differential (four) mechanism is characterized in that: the third linking member, the first-linking member and the fourth linking member are pivotally connected through the pivot hole and the pin on the same. The third oscillating member and the third linking member are respectively connected by a pivot hole and a pin thereon. The sewed yarn feed _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Push the ring to a fixed connection. The control mechanism of the slitting differential feeding device comprises: the adjusting mechanism comprises: an adjusting handle fixed on the third swinging member, an adjusting panel and a knob, wherein the rotating shaft adjusts the handle connection, the adjusting The hand-over screw is threaded into the chute of the adjustment panel described in M365365. The control mechanism for differential feeding of the sewing machine is characterized in that: an adjusting screw is arranged longitudinally on the adjusting panel, and a adjusting slot is arranged on the adjusting panel, and an adjusting button is fixed in the inserting groove. The control mechanism for differential feed of the sewing machine is characterized in that: the input shaft is connected to a pulley, and the pulley is connected to another pulley through a timing belt. The pulley is connected to the main shaft of the sewing machine. The sewing machine differential feeding control mechanism is characterized in that: the feeding shaft is connected with a sprocket, the sprocket is connected to the sprocket through a chain, and the sprocket is connected to the control feeding through another chain The upper feed shaft of the wheel movement. The control mechanism of the differential feeding of the initial sewing machine connects four or several linking members through a variable reciprocating driving shaft, and the two linking members are a group and a group (the second linking member and the sixth linking member) Synchronous at the same speed, the other group (the fourth linkage and the fifth linkage) change the amount of movement of one of the linkages to make the group of linkages move at the same speed at the same speed, and finally transmit to the upper feed wheel. Change the amount of feeding when the upper feeding wheel is on the needle; this can achieve the following effects: Weng live in the women's society under the wheel system (four) speed secret, the second stage feeding when the tank needle is on the needle board, the upper and lower feeding wheels can achieve the difference Feed the material so that there is no friction and damage to the material. Due to the adoption of the above technical solution, the present invention has the following advantages and positive effects compared with the prior art: since the feeding driver of the present invention adopts a two-way overrunning clutch, it can pass through the slit and the reverse seam. The M365365 adjusts the adjustment mechanism to adjust the amount of movement of the upper feed wheel, so that the amount of differential feed can be controlled as desired. [Embodiment] As shown in Fig. 1 and Fig. 2, this creation is a control mechanism for the differential feeding of the slitting machine, which has a square 13 of the Fangxiang, whose power is derived from the seam, the spindle of the knife. 70, the spindle 70 transmits power to the transmission shaft 2 through a variable amount of back-slit device (not shown in the drawings, which will not be described in the prior art), so that the amount of reciprocating motion of the transmission shaft 2 is variable. The first oscillating member 1 is pivotally connected to the first oscillating member 1 , the first oscillating member 1 is pivotally connected to the first linking member 3 , and the second oscillating member 9 is pivotally connected to the second linking member η . The first swinging member is provided with a pivoting hole 37. The first linking member 3 is provided with a pivoting hole 38. The pin 12 pivots the first swinging member 1 and the first linking member 3 through the pivoting holes 37 and 38. Pick it up. The third linking member 4, the first linking member 3 and the fourth linking member 8 are pivotally connected through the pivoting holes 39, 40, 41 and a pin 42 thereon. The third swinging member 6 and the third connecting member are moved. The pieces 4 are pivotally connected by the pivot holes 43, 44 and a pin 5 thereon. The third oscillating member 6 is coupled to an adjusting mechanism 631. The adjusting mechanism 631 includes an adjusting handle 7 fixed on the third oscillating member 6, an adjusting panel 401 and a knob 411. The knob 411 is fixed to the adjusting handle 7. The handle 7 is inserted through the screw 701 into the sliding groove 421 of the adjustment panel 401. An adjustment screw 431 is disposed in the longitudinal direction of the adjustment panel 401. The adjustment panel 401 is further provided with a fitting groove 441, and an adjustment knob 451 is fixed in the insertion groove 441. The sewing machine main shaft 70 is provided with a pulley Η 'The pulley 14 is connected to the pulley 16 through a 7 M365365 step belt 15 , and the pulley π is disposed on the input shaft , so that the power of the main shaft 70 can be transmitted to the input shaft 17 through the belt, the input shaft The shaft 17 is axially fixed to the middle of the casing 13, and is further provided with a radial cam 18, and a roller 22 is disposed in the groove of the cam 18. The belt cam is driven such that the radial cam 18 rotates at the same speed as the spindle 70. The feed shaft 10 is axially fixed below the casing 13, and is provided with two clutches 31, 32. A push ring 23 is disposed between the left clutch 31 and the right clutch 32.

A positioning bushing 45, 46 is respectively disposed between the push ring 23 and the two clutches 31'32. The fourth swinging member 20 is J-shaped, and the fourth swinging member 2 is connected to the roller 22 through the pivot hole 47 thereon, and is fixedly connected to the push ring 23 through the fixing holes 49, 50 while the fourth swinging member 2〇 A pivot hole 48 is defined in the bottom portion, and an eccentric pin 85 is bored in the pivot hole 48 to position it on the outer casing 13. The four slots on the radial cam 18 are designed according to the action requirements of the fourth swinging member 20 to realize the left and right swinging of the fourth swinging member 20, and the fourth swinging member 20 in turn drives the push ring 23 to continuously separate from the clutch °° 32. Combined, it achieves the following action effect: when the push 23 is combined with the left clutch 31, it is inevitably separated from the right clutch %; when the eight push LYON 23 is combined with the right clutch a, it is inevitably read with the left clutch. The feed shaft 1〇 is connected to a sprocket 26 which is connected by a chain % sprocket 501, and the sprocket 5〇1 is connected to the control feed by another key bar 25; the upper feed shaft of the bucket wheel movement 80. The effect of the assembly control mechanism after assembly is shown in Figures 3_1 ® and 3-2. M365365, as shown in FIG. 5, the spindle 7〇 is not shown in a reverse view of a variable amount of movement, so that the transmission 2 is fanned, and the fifth linkage 33 and the sixth linkage transmitted by the transmission sleeve 2 are interlocked. The pieces are connected to the lower pulley 6〇 by a clutching ratio, respectively. The fifth linking member 33 is pivotally connected to the second swinging member 9 . The first movable member 34 is pivotally connected to the fifth swinging member 71 , and the first lion member 1 , the movable member 9 and the fifth swinging member 71 respectively pass through the upper connecting member 33 . The hole is worn on the scent. The first linkage member 3 and the second linkage member 11 are also pivotally connected to the transmission shaft 2 through the first and second swinging members 9, respectively, and the second linkage member is connected to the left jaw: the combiner 32, and the first linkage member 3, through the fourth linkage member 8', the member 9 connects the fifth linkage member 33 and the second 11' fifth linkage member 33 to the clutch 61 on the lower feed shaft 6〇 for clutching:: the material wheel:, the second linkage The piece 11 is connected to a second driven sixth link member 34 that is disposed on the feed shaft 10 and that is coupled to the clutch 62 that is disposed through the lower feed shaft 60. The sewing diagram, the sixth figure, the second figure, and the sixth figure are shown in Fig. 6, which is a schematic diagram of the operation of the third control unit. The first linking member 3 is spliced together with the boring and digging member 4, and the third linking member 4 is pivotally connected to the shank member 6 through the pin 5. The other end of the third oscillating member 6 is connected to the adjusting hand. The third connection = the gorge on the casing 13. Therefore, the rotation adjustment handle 7 can change the motion line circle made by the first member 4 when receiving the reciprocating motion of the first linkage member 3, and when the angle of the adjustment handle 7 is changed, the arc of the third linkage member 4 The change in the stroke amount to the fine link member 8. M365365 is placed on the pulley of the main vehicle 70, synchronized to the pulley 16 and drives the input #17 bar power splicing movement, __ 2G shot (four) synchronous rim, the fourth oscillating member 20 is connected to push the soil a, the heart 2 is connected to the technical direction The convex left and right movement causes the clutches 31, 32 & to drive the cam 18 to drive with the % regular clutch 'to cooperate with the fourth linkage shaft, the 'clutch 31 power to form the directional segment, and then pass the sprocket first linkage 11 Up to the upper feed shaft 8〇, the upper feed unit 8' = 25 transmits the power wheel output to the upper feed wheel 65. Through a one-inch transmission mechanism, the second dynamic linkage is the same as the first power source of the slot of the control mechanism of the present differential feed. The fourth power linkage 8 , the fifth linkage 33 and the sixth linkage are all connected. The force source is from the _ moving shaft 2, wherein: the sixth linkage output force is simple (four) speed '(four) four-axis member S and the fifth linkage member ^ ^ output ' and the fourth linkage member 8 can pass the third linkage member 4, the third swing and the handle 7 poles change back and forth, which rides through the four linkages and the two sets of clutches (the clutch 31 connected to the fourth linkage 8 and the clutch 32 connected to the second linkage 11 is a group The fifth linkage member 61 is connected to the clutch 61, and the clutch 62 connected to the sixth linkage member 34 is a set of mutual cooperation. The stroke amount of the fourth linkage member 8 can be changed only by rotating the adjustment handle 7, thereby According to the speed of the actual f county flapping city and the speed of rotation, the differential feeding purpose of the sewing machine is achieved. Although the present invention has been described above in terms of preferred embodiments of the present invention, this does not mean that the scope of protection of the present invention is limited to the above-described structure, as long as the structure covered by the initiative of the present invention# All are within the scope of protection. Those skilled in the art can succinctly develop an equivalent alternative structure after the description, and these equivalent alternative structures are also within the scope of the requirements of the present case [simple description of the drawing] Schematic diagram of the structure of the creation.

Figure 2 is a schematic diagram of a partial combination of the creations. Figures 3-1 and 3-2 are perspective views of the appearance of the present creation. Figure 4 is a schematic diagram of the creation and transmission of the upper and lower feed wheels. Figure 5 is a perspective view of the creation of the creation on the seam_. ::. Fig., Fig. 3, Fig. 6_3, _ is the original ~ B, the feed shaft hole D, the connection hole F, the transfer handle hole 2, the drive shaft 4, the third linkage 6, the third swing member 8, the first Four linkages 1〇, feeding shaft [Main component symbol description] # A, wheel input shaft hole C, pivot hole E, eccentric pin hole 1, first swinging member 3, first linkage member 5, lock 7, adjustment Handle 9, second swinging piece 11 M365365

11. The second linking member 1 3, the housing 15, the timing belt 1 7 input shaft 2 0, the fourth swinging member 2, the roller 2 4, the key bar 26, the sprocket 31, the clutch 3 4, and the sixth linkage The member 3 8 , the pivot hole 40 , the pivot hole 4 2 , the pin 4 4 , the pivot hole 4 6 , the positioning bush 4 8 , the pivot hole 50 , the fixing hole 61 , the clutch 6 4 , the lower feed wheel 7 0, spindle 8 0, upper feed shaft 4 01, adjustment panel 1 2, pin 14, pulley 16, pulley 18, radial cam 2 1, shaft 2 3, push ring 2 5, chain 3 2, clutch 3 3 , the fifth linking member 3 7 , the pivoting hole 3 9 , the boring hole 41 , the pole connecting hole 4 3 , the pivoting hole 4 5 , the positioning bushing 47 , the pivoting hole 4 9 , the fixing hole 6 0 , the lower feeding Shaft 6 2, clutch 6 5, upper feed wheel 71, fifth swinging member 85, eccentric pin 411, knob 12 M365365 4 21, chute 44 1 4 31, adjusting screw 4 5 1 5 01, sprocket 6 3 1 7 0 1. Screw, slot, adjustment knob, adjustment mechanism

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Claims (1)

M365365 ~ 4 Factory, ------^ Sixth, the scope of application for patents · [^ Year of the month > for correction I / make up! The control mechanism for feeding 1, the seeding machine differential feeding is used to adjust the upper feeding wheel: xri speed, and the control mechanism of the differential feeding of the sewing machine comprises: a swinging shaft 2 respectively, a variable reciprocating movement of the transmission shaft transmission a first and second oscillating member; - a first linking member pivotally coupled to the first oscillating member, and a second linking member coupled to the second oscillating member; a third linking member pivotally coupled to the first oscillating member, respectively a third oscillating member pivotally connected to the second linking member; an adjusting mechanism coupled to the third oscillating member; a roller; the input shaft ′ is provided with a ## cam, the groove of the cam Having a bushing; - a feed shaft 'the upper two clutches, a push ring between the left clutch and the right clutch, the pusher shafts of the two clutches have a positioning and a connection with the roller and the push ring respectively The four oscillating members; and the ?, & heart feeds are axially 11 positioned on the housing. Please refer to the control mechanism of the differential feeding of the machine mentioned in Item 1. The drive shaft and the main shaft are provided with a reversible position, and the power is transmitted through the ship's device. The fifth linkage member and the sixth and sixth linkage members are respectively connected to the lower feed 14 M365365 shaft through the clutch, the fifth linkage member is pivotally connected to the second swinging member, and the sixth linkage member is pivotally connected to the first The fifth swinging member, the second swinging member and the fifth swinging member are respectively disposed on the transmission shaft. 3. The control mechanism for the differential feeding of the sewing machine according to claim 1 or 2, wherein the first swinging member is provided with a pivoting hole, and the first linking member is provided with a pivoting hole, and a pin passes through The splicing hole pivotally connects the first oscillating member and the first linking member. Φ 4. The control mechanism for differential feeding of the sewing machine according to claim 1 or 2, wherein the third linking member, the first linking member and the fourth linking member sequentially pass through the pivot hole and a pin thereon The third swinging member and the third linking member are respectively pivotally connected by a pivot hole and a pin thereon. 5. The control mechanism of the differential feed of the sewing machine according to claim 1 or 2, wherein the fourth swinging member is J-shaped, and the fourth swinging member is connected to the roller through a pivot hole thereon. The fourth oscillating member is connected to the push ring fixing φ through a fixing hole. 6. The control mechanism for differential feeding of a sewing machine according to claim 1 or 2, wherein the adjusting mechanism comprises an adjusting handle fixed on the third swinging member, an adjusting panel and a knob, the knob passing through the screw The adjusting panel is connected to the adjusting handle, and the screw is disposed in the sliding slot of the adjusting panel. The adjusting panel is longitudinally disposed with an adjusting screw. The adjusting panel is provided with a slot, and an adjusting button is fixed in the slot. 7. The control machine 15 M365365 for sewing machine differential feeding according to claim 1 or 2, wherein the input shaft is connected to a pulley, and the pulley is connected to another pulley through a timing belt, the pulley It is worn on the sewing machine spindle. 8. The control mechanism for differential feed of a sewing machine according to claim 1 or 2, wherein the feed shaft is connected to a sprocket, the sprocket is connected to the sprocket through a chain, and the sprocket passes through another The chain is connected to the upper feed shaft that controls the movement of the upper feed wheel. 16