阅读说明：本技术 一种缝纫机的送扣装置 (Button feeding device of sewing machine ) 是由 吴圣明 于 2019-10-15 设计创作，主要内容包括：本发明涉及一种缝纫机的送扣装置,包括机架、送扣滑道以及转扣机构,送扣滑道包括可上下调节的压板,转扣机构包括摩擦柱,转扣机构还包括有套筒,摩擦柱凸出于套筒下端口设置；圆形气缸,用于驱动摩擦柱向下活动,包括一可伸缩且呈管状的输出端；电机,电机输出轴穿过气缸的输出端且与摩擦柱通过连接套连接,连接套在套筒内具有一定的上下活动行程,还包括弹性抵于连接套的弹簧,圆形气缸的输出端在活动时驱动连接套向下活动；连接套在套筒内向上活动的行程可调设置,还包括调节摩擦柱向上活动行程的限位调节组件,限位调节组件在压板上下调节的过程中与其联动设置,本发明的送扣装置结构更加简单,能够实现送扣滑道、转扣机构高度同步调节。(The invention relates to a button feeding device of a sewing machine, which comprises a rack, a button feeding slideway and a button rotating mechanism, wherein the button feeding slideway comprises a pressing plate which can be adjusted up and down; the circular cylinder is used for driving the friction column to move downwards and comprises a telescopic and tubular output end; the output end of the round cylinder drives the connecting sleeve to move downwards when moving; the connecting sleeve is arranged in the sleeve in an adjustable way, and further comprises a limiting adjusting component for adjusting the upward moving stroke of the friction column, and the limiting adjusting component is arranged in a linkage manner with the pressure plate in the process of adjusting the pressure plate up and down.)

1. The utility model provides a sewing machine send spiral-lock to put, includes the frame, send and detain the slide and change and detain the mechanism, send and detain the slide including the clamp plate that can adjust from top to bottom, change to detain the mechanism including being located to send and detain the friction post directly over the slide discharge gate, its characterized in that: the rotating buckle mechanism also comprises

The friction column is arranged by protruding out of the lower port of the sleeve;

the round cylinder is fixed in the sleeve and used for driving the friction column to move downwards, and comprises a telescopic and tubular output end;

the motor is arranged at the upper end of the sleeve, a motor output shaft penetrates through the output end of the air cylinder and is connected with the friction column through a connecting sleeve, the friction column and the connecting sleeve are arranged in an axial and circumferential linkage manner, the connecting sleeve can axially slide relative to the motor output shaft and is arranged in a circumferential linkage manner, and the end part of the motor output shaft is connected with the connecting sleeve to drive the friction column to rotate;

the connecting sleeve has a certain up-and-down moving stroke in the sleeve, and also comprises a spring which elastically supports against the connecting sleeve upwards in the moving stroke, and the output end of the circular cylinder drives the connecting sleeve to move downwards when moving;

the connecting sleeve is arranged in the sleeve in an adjustable way, and further comprises a limiting adjusting component for adjusting the upward moving stroke of the friction column, and the limiting adjusting component is arranged in a linkage way with the pressure plate in the process of adjusting the pressure plate up and down.

2. A thread feeding device of a sewing machine according to claim 1, wherein: the limiting adjusting assembly comprises a linkage part and a limiting part, wherein the linkage part is linked with the bearing sliding sleeve on the upper and lower movable strokes of the bearing sliding sleeve and the bearing sliding sleeve which are sleeved outside the connecting sleeve and can rotate circumferentially relative to the connecting sleeve, the limiting part is connected with the pressing plate and limits the linkage part to move upwards, a strip-shaped groove is formed in the side wall of the sleeve, and the linkage part is connected with the side wall of the bearing sliding sleeve and penetrates through the strip-shaped groove to extend to.

3. A thread feeding device of a sewing machine according to claim 2, wherein: the linkage part is provided with a rotatable rolling bearing, and the size of the rolling bearing is consistent with the width of the strip-shaped groove.

4. A thread feeding device of a sewing machine according to claim 2, wherein: the spring is sleeved on the friction column, one end of the spring is fixed on the inner wall of the sleeve, and the other end of the spring is abutted against the lower end face of the connecting sleeve/bearing sliding sleeve.

5. A thread feeding device of a sewing machine according to claim 1, wherein: the round cylinder is fixed in the sleeve, a positioning hole abutting against the outer wall of the cylinder is arranged on the sleeve, and a positioning screw is arranged on the positioning hole.

6. A thread feeding device of a sewing machine according to claim 2, wherein: the limiting part is in a hook structure and is hung on the linkage part.

7. A thread feeding device of a sewing machine according to claim 2, wherein: the bearing sliding sleeve is provided with an induction sheet and further comprises an inductor corresponding to the induction sheet, the induction sheet penetrates through the sleeve, the sleeve is provided with a movable groove corresponding to the sleeve, and the inductor is fixed on the outer side wall of the sleeve.

8. A thread feeding device of a sewing machine according to claim 2, wherein: and a bearing is arranged between the bearing sliding sleeve and the connecting sleeve.

Technical Field

The invention relates to the field of garment processing machinery, in particular to a button feeding device of a sewing machine.

Background

Along with the progress of the technology, the automation degree of the sewing field is higher and higher, more sewing operations are performed in an automatic operation mode, for example, sewing of buttons, and automatic button sewing is generally realized by matching of a button sewing machine and a button conveying machine at present.

Send the knot machine generally includes frame and moving member, be equipped with in the frame and send the knot passageway, send the one end of detaining the passageway for advancing to detain the end, the other end is for going out to detain the end, it communicates with the vibration dish to advance to detain the end, the button is placed in the vibration dish, send the knot passageway through the vibration dish from advancing to detain the end, carry out a knot department along sending the knot passageway again, it carries out pivoted commentaries on classics knot mechanism still to be provided with to the button in the upper end of exit end, it includes rotatable friction post to change knot mechanism, drive friction post pivoted motor, driving motor and the cylinder of friction post activity from top to bottom, the moving member removes between sending knot end and button sewing machine, be equipped with the button positioning seat on the moving member, the button positioning seat is fixed with the button removal on the button positioning seat with the cooperation of pivoted friction post, the rethread moving member.

The button in the present button feeding channel advances through the mode of blowing, in order to avoid the button scurrying from top to bottom when advancing, need to make the interval between clamp plate and the button feeding be greater than or equal to the thickness of button. In practical use, the thickness of different buttons is different, so that the distance between the pressing plate and the button feeding plate needs to be adjusted when different buttons are conveyed.

In order to solve the above problems, the prior art discloses a height adjusting structure of a button feeding channel in a button feeding machine, which comprises a slide way arranged on a rack, a slide block arranged on the slide way, a pressing plate connected to the slide block, a supporting plate arranged on the rack, a spring with elasticity lower than that of the supporting plate to enable the slide block to move downwards, and an adjusting nut for limiting the moving stroke of the slide block, wherein the adjusting nut is arranged on the upper surface of the supporting plate in a propping manner, the pressing plate is firstly propped against the button feeding plate, when the button needs to be conveyed, the button is placed on the supporting plate, the adjusting nut is propped against the surface of the button, and the sliding plate drives the pressing plate to move upwards integrally at the moment, and the upward moving stroke of the pressing plate is the height of the button, namely the height of.

However, after the height of the pressing plate is adjusted to a proper position, the height of the pressing plate corresponding to the friction column also needs to be adjusted synchronously, the friction column is driven by a spring in the prior art and is positioned right above the discharging tail end of the feeding track, the friction column needs to be abutted against the upper surface of the button during working, the angle of the button can be adjusted by the friction column through the rotation of the motor shaft, so that the friction column can be matched with the button positioning seat of the button feeding rotating plate, and therefore after the height of the pressing plate is adjusted, the height of the friction column also needs to be adjusted. The adjustment of clamp plate and friction post needs to be adjusted separately, and both are not synchronous adjustment, can have the regulating error, need adjust many times, and the regulation step is comparatively complicated.

Disclosure of Invention

The invention aims to provide a button feeding device of a sewing machine, which has a simpler structure, can realize synchronous height adjustment of a button feeding slideway and a button rotating mechanism, and is simpler and more convenient to operate.

The technical scheme of the invention is as follows: the utility model provides a sewing machine send spiral-lock to put, includes the frame, send and detain the slide and change and detain the mechanism, send and detain the slide including the clamp plate that can adjust from top to bottom, change to detain the mechanism including being located to send and detain the friction post directly over the slide discharge gate, its characterized in that: the rotating buckle mechanism also comprises

The friction column is arranged by protruding out of the lower port of the sleeve;

the round cylinder is fixed in the sleeve and used for driving the friction column to move downwards, and comprises a telescopic and tubular output end;

the motor is arranged at the upper end of the sleeve, a motor output shaft penetrates through the output end of the air cylinder and is connected with the friction column through a connecting sleeve, the friction column and the connecting sleeve are arranged in an axial and circumferential linkage manner, the connecting sleeve can axially slide relative to the motor output shaft and is arranged in a circumferential linkage manner, and the end part of the motor output shaft is connected with the connecting sleeve to drive the friction column to rotate;

the connecting sleeve has a certain up-and-down moving stroke in the sleeve, and also comprises a spring which elastically supports against the connecting sleeve upwards in the moving stroke, and the output end of the circular cylinder drives the connecting sleeve to move downwards when moving;

the connecting sleeve is arranged in the sleeve in an adjustable way, and further comprises a limiting adjusting component for adjusting the upward moving stroke of the friction column, and the limiting adjusting component is arranged in a linkage way with the pressure plate in the process of adjusting the pressure plate up and down.

The invention is further arranged in that the limiting and adjusting assembly comprises a bearing sliding sleeve which is sleeved outside the connecting sleeve and can rotate circumferentially relative to the connecting sleeve, a linkage part which is linked with the bearing sliding sleeve in the up-and-down moving stroke of the bearing sliding sleeve, and a limiting part which is connected with the pressing plate and limits the linkage part to move upwards, the side wall of the sleeve is provided with a strip-shaped groove, and the linkage part is connected with the side wall of the bearing sliding sleeve and extends to the outside of the sleeve through the strip-shaped.

The invention is further provided that the linkage part is provided with a rotatable rolling bearing, and the size of the rolling bearing is consistent with the width of the strip-shaped groove.

The invention is further arranged in such a way that the spring is sleeved on the friction column, one end of the spring is fixed on the inner wall of the sleeve, and the other end of the spring is abutted against the lower end face of the connecting sleeve/bearing sliding sleeve.

The invention is further provided that the circular cylinder is fixed in a sleeve, a positioning hole which is abutted against the outer wall of the cylinder is arranged on the sleeve, and a positioning screw is arranged on the positioning hole.

The invention is further provided that the limiting piece is hung on the linkage part in a hook structure.

The invention is further provided with an induction sheet arranged on the bearing sliding sleeve and an inductor corresponding to the induction sheet, wherein the induction sheet penetrates through the sleeve, the sleeve is provided with a movable groove corresponding to the sleeve, and the inductor is fixed on the outer side wall of the sleeve.

The invention is further provided that a bearing is arranged between the bearing sliding sleeve and the connecting sleeve.

The invention is further provided with an induction sheet arranged on the bearing sliding sleeve and an inductor corresponding to the induction sheet, wherein the induction sheet penetrates through the sleeve, the sleeve is provided with a movable groove corresponding to the sleeve, and the inductor is fixed on the outer side wall of the sleeve.

The invention has the following beneficial effects:

1. the structure of the invention is better, simple and ingenious, the round cylinder is only responsible for driving the bearing sliding sleeve and the friction column, namely the round cylinder needs to resist the elastic force of the spring for driving the connecting sleeve upwards, the load of the round cylinder is smaller, only a small-sized cylinder is needed, the downward pressing of the friction column is more sensitive, the rotating buckle is convenient, and the whole rotating buckle mechanism structure is better and smaller.

2. The connecting sleeve is arranged to ensure that the output of the motor and the output of the circular cylinder are not interfered, after the height of the pressing plate is adjusted, the limiting piece moves up or down along with the pressing plate, when the pressing plate moves up, the limiting piece relieves the limitation on the current position of the linkage part, and the bearing sliding sleeve and the friction column integrally move up under the driving of the spring until the linkage part moves to the position of the limiting piece; when moving down, the locating part can drive the linkage part to drive the bearing sliding sleeve and the friction column to move down synchronously, and synchronous adjustment of the position of the friction column is realized.

3. Be provided with the antifriction bearing with bar groove looks adaptation in the linkage portion, can realize that the circumference of bearing sliding sleeve is spacing, both have realized bearing sliding sleeve and friction post for telescopic upper and lower movable in-process's slip direction simultaneously.

Drawings

Fig. 1 is a schematic structural view of a buckle feeding device in the embodiment.

Fig. 2 is a schematic diagram of the cooperation between the pressing plate and the linkage portion in this embodiment.

Fig. 3 is a structural sectional view of the buckle mechanism in this embodiment.

Fig. 4 is a schematic structural diagram of the sensor sheet and the sensor in this embodiment.

The designations in the figures have the following meanings: 1-a frame; 2-rotating and buckling mechanism; 21-friction column; 211-a connecting sleeve; 22-a sleeve; 221-a strip groove; 222-positioning holes; 23-a motor; 24-a circular cylinder; 241-an output end; 25-a bearing sliding sleeve; 26-a linkage portion; 261-rolling bearings; 27-a spring; 28-a bearing; 3-delivering the buckle slideway; 31-a platen; 32-a limit piece; 4-induction sheet; 5-inductor.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

With reference to fig. 1 to 4, a button feeding device of a sewing machine comprises a frame 1, a button feeding slide 3 and a button rotating mechanism 2, wherein the button feeding slide 3 comprises a press plate 31 capable of being adjusted up and down, the button rotating mechanism 2 comprises a friction column 21 located right above a discharge port of the button feeding slide 3, the button rotating mechanism 2 further comprises a sleeve 22, the sleeve 22 is of a tubular hollow structure, and the friction column 21 protrudes out of the lower port of the sleeve 22.

The friction column 21 is fixed in the sleeve 22 and used for driving the friction column 21 to move downwards, the circular cylinder 24 comprises a telescopic tubular output end 241, the circular cylinder 24 is fixed in the sleeve 22, a positioning hole 222 abutting against the outer wall of the cylinder is formed in the sleeve 22, and a positioning screw is arranged on the positioning hole 222;

the motor 23 is arranged at the upper end of the sleeve 22, an output shaft of the motor 23 penetrates through the output end 241 of the cylinder and is connected with the friction column 21 through a connecting sleeve 211, the friction column 21 and the connecting sleeve 211 are axially and circumferentially arranged in a linkage manner (namely the friction column 21 is fixedly connected to the connecting sleeve 211), the connecting sleeve 211 can axially slide and circumferentially arranged in a linkage manner relative to the output shaft of the motor 23, the end part of the output shaft of the motor 23 is connected to the connecting sleeve 211 to drive the friction column 21 to rotate, a connecting hole is formed in the connecting sleeve 211, and the;

the connecting sleeve 211 has a certain up-and-down moving stroke in the sleeve 22, and further comprises a spring 27 elastically abutting against the connecting sleeve 211 upwards in the moving stroke, the spring 27 is sleeved on the friction column 21, one end of the spring 27 is fixed on the inner wall of the sleeve 22, the other end of the spring 27 abuts against the lower end face of the connecting sleeve 211/the bearing sliding sleeve 25, and the output end 241 of the circular cylinder 24 drives the connecting sleeve 211 to move downwards when moving; by adopting the circular cylinder 24, the output shaft of the motor 23 can directly penetrate through the output end 241 of the circular cylinder 24, the motor 23 is arranged at the upper end part of the sleeve 22, the circular cylinder 24 is fixedly arranged in the sleeve 22, and the two mechanisms for rotating and driving the friction column 21 to be pressed down are integrated, compared with the arrangement of the cylinder driving motor 23 and the friction column 21 in the prior art, the structure of the invention is better, simple and ingenious, the circular cylinder 24 is only responsible for driving the bearing sliding sleeve 25 and the friction column 21, namely the circular cylinder 24 needs to resist the elastic force of the upward driving connecting sleeve 211 of the spring 27, the load of the circular cylinder 24 is smaller, only a small cylinder is needed, the friction column 21 is pressed down more sensitively, the turning is convenient, and the whole turning mechanism 2 has a smaller structure.

In this embodiment, the connection sleeve 211 is adjustable in upward movement stroke in the sleeve 22, and further includes a limit adjusting component for adjusting upward movement stroke of the friction column 21, and the limit adjusting component is linked with the pressure plate 31 in the process of adjusting up and down. The limiting adjustment assembly comprises a bearing sliding sleeve 25 which is sleeved outside the connecting sleeve 211 and can rotate circumferentially relative to the connecting sleeve, a linkage part 26 which is linked with the bearing sliding sleeve 25 in the up-and-down moving stroke, and a limiting part 32 which is connected to the pressure plate 31 and limits the linkage part 26 to move upwards, a strip-shaped groove 221 is formed in the side wall of the sleeve 22, and the linkage part 26 is connected to the side wall of the bearing sliding sleeve 25 and penetrates through the strip-shaped groove 221 to extend to the outside of the sleeve 22. Be provided with rotatable antifriction bearing 261 on linkage portion 26, antifriction bearing 261's size is unanimous with strip groove 221 width and pastes in strip groove 221 both sides setting, be provided with the antifriction bearing 261 with strip groove 221 looks adaptation on the linkage portion 26, can realize that bearing sliding sleeve 25's circumference is spacing, both have realized bearing sliding sleeve 25 and friction post 21 for the slip direction of the upper and lower activity in-process of sleeve 22 simultaneously, locating part 32 is that the couple structure is hung and is located linkage portion 26. A bearing 28 is arranged between the bearing sliding sleeve 25 and the connecting sleeve 211. The connecting sleeve 211 is arranged to ensure that the output of the motor 23 and the output of the circular cylinder 24 are not interfered, after the height of the pressing plate 31 is adjusted, the limiting piece 32 moves up or down along with the pressing plate 31, when the pressing plate moves up, the limiting piece 32 removes the limiting on the current position of the linkage part 26, and the bearing sliding sleeve 25 and the friction column 21 move up integrally under the driving of the spring 27 until the linkage part 26 moves to the position of the limiting piece 32; when moving downwards, the limiting part 32 can drive the linkage part 26 to drive the bearing sliding sleeve 25 and the friction column 21 to move downwards synchronously, so that the position of the friction column 21 is synchronously adjusted. The bearing sliding sleeve 25 is provided with an induction sheet 4,

still include the inductor 5 that corresponds with response piece 4, response piece 4 pass sleeve 22 and set up, set up the activity groove rather than corresponding on the sleeve 22, inductor 5 is fixed in sleeve 22's lateral wall, response piece 4 is used for controlling the activity stroke of cylinder with setting up of inductor 5, can make to change to detain more accurately.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.