CN2245622Y - Thread wrapping device for sewing machine - Google Patents

Abstract

The utility model discloses a thread wrapping device for a sewing machine. An ordinary thread wrapping device has the problem that when used, the ordinary thread wrapping device also needs manually auxiliary operation, the thread balls after wrapping are not lined orderly, etc. The utility model is characterized in that the thread wrapping device for a sewing machine improves the ordinary thread wrapping device for a sewing machine, and provides a thread through assembly with adjustable thread tension and an automatic thread wrapping assembly. The thread wrapping device for a sewing machine has the advantages of reasonable structure and convenient operation, and thread balls after wrapping are lined in order.

Description

The Sewing machines Winder

The utility model relates to a kind of Winder, particularly relates to a kind of Sewing machines Winder.

Traditional Sewing machines Winder is made of institutes such as head, ball of string frame, mistake line component and wire-winding units.This Sewing machines Winder in use also needs to carry out auxiliary operation with hand, and the ball of string malalignment of coiled on the peg or spindle, and loose, and this will be with fork-like farm tool used in ancient China necessarily to bother to later sewing processing.

The purpose of this utility model is that a kind of improved Sewing machines Winder will be provided, and eliminates above-mentioned weak point, realizes automatic winding effectively.

To achieve the above object, the utility model proposes following design: the Sewing machines Winder has the ball of string frame, the head that are fixed on the platen, be installed in and cross line component, wire-winding unit etc. on the end face of head upper end.

Have a hole on the upper end end face of described head, be mounted with a drive on the main shaft in the described head.The described line component of crossing is provided with the tailor's tack of crossing of shoulder by the middle part, is fixed on the line plate of crossing with holes on the end face of head upper end by crossing tailor's tack, string be contained in tailor's tack top clamp dish, turriform spring, and tension regulating thumb nut form.Described wire-winding unit comprises the installing plate of rounded shape, be shaped on a big hole that is provided with a breach on the described installing plate, one small sircle hole and installing hole, the lower port place of described big hole fixes that end, a upper end is provided with a shoulder and the notched installation sleeve of a sidewall, described installation sleeve inwall bottom also is provided with a shoulder, breach on the described installation sleeve is relative with the breach of big hole, lay end, a upper end in the described installation sleeve and be provided with a flange, one side of flange is extended with a duckbilled, and the inwall bottom is provided with the bearing block of a shoulder, be set with a spring on the outer wall of described bearing block, the upper end of spring is near the bottom surface of bearing block flange, the lower end of spring is near the shoulder on the installation sleeve inwall, device has a top to be provided with the power transmission shaft of the shoulder of a projection in the described bearing block, the end, upper end of described power transmission shaft is provided with a groove, lay a spring in it, the upper end end face of groove disposes a lid, the bottom of described power transmission shaft is installed on one group of bearing, the end, lower end of described power transmission shaft is shaped on an external screw thread, the end, lower end of described power transmission shaft has one to connect cover by thread connection, described periphery one side that connects cover is provided with a breach, the described end face middle part, upper end that connects cover is provided with the boss of a band internal thread hole, the described middle part, bottom surface that connects cover is provided with one and is with externally threaded bossing, the described bottom that connects cover is equipped with a friction wheel, described friction wheel is set with a friction circle outward, middle part, described friction wheel upper end is extended with the cylinder of a band center hole, be set with a spring on its outer wall, the upper end of spring is near the bottom surface that connects cover, the lower end of spring is near the upper end of friction wheel, one side of described friction wheel upper end also is fixed with a pin, its with connect the breach that puts and match, described friction wheel is to form thread connection by the center hole that the spiral shell guide pin bushing that is provided with internal thread passes on the friction wheel with the bossing that connects the cover bottom.Small sircle hole place on the described installing plate is mounted with one handle, described handle, at its lower end surface rear end portion has a breach, and indentation, there is placed with a spring, and a pressing plate is installed on the described handle,, be fixedly connected by pressing plate, handle and spring with screw with installing plate formation.The wire-winding unit that is assemblied on the installing plate is located by the hole that installing plate is connected and fixed on the end face of the upper end of head.

Because the utility model has improved original Sewing machines Winder, thereby makes its structure more reasonable, not only breaks away from manual operations, realize automatic winding, and the ball of string behind full peg or spindle have the certain power of holding tightly and marshalling.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is the schematic diagram of a kind of concrete structure of the present utility model.

Fig. 2 is the structural representation of ball of string frame of the present utility model.

Fig. 3 is a structural representation of crossing line component of the present utility model.

Fig. 4 is the structural representation of wire-winding unit of the present utility model.

Fig. 5 is the schematic top plan view of Fig. 4.

Below in conjunction with details and the working condition of accompanying drawing detailed description according to the concrete device that the utility model proposes.

Referring to Fig. 1 and Fig. 2, the Sewing machines Winder by head (1), ball of string frame (2), cross winding spare (3), and wire-winding unit institutes such as (4) form.

Be processed with a hole on the upper end end face of head (1), be equipped with a drive (5) on the main shaft in the head (1).

Referring to Fig. 1 and Fig. 3, the middle part of crossing line component (4) and had tailor's tack (6), cross tailor's tack (6) is provided with a shoulder, the top of crossing tailor's tack (6) is equipped with clamp dish (7), turriform spring (8) successively, the upper end of crossing tailor's tack (6) also is connected with a tension regulating thumb nut (9) by screw thread, the bottom of crossing tailor's tack (6) be equipped with one be " L " shape cross line plate (10), a side of crossing line plate (10) is provided with a hole, and crossing line component (3) is to be installed on the upper end end face of head (1) by crossing tailor's tack (6).

With reference to Fig. 1, Fig. 4 and Fig. 5, wire-winding unit (4) has installing plate (11), its rounded shape, which is provided with a big hole, one small sircle hole and installing hole, one side of big hole is provided with a breach, the lower port place device of big hole has an installation sleeve (12), the outer wall end, upper end and the inwall bottom of installation sleeve (12) are provided with a shoulder respectively, one sidewall upper end face of installation sleeve (12) is provided with a breach, breach on the big hole is relative with breach on the installation sleeve (12), be equiped with a bearing block (13) in the installation sleeve (12), the end, upper end of bearing block (13) is provided with a flange, one side of flange is extended with a duckbilled, big hole on the duckbilled of flange one side and the installing plate (11) and the breach on installation sleeve (12) one sidewalls match, the inwall bottom of bearing block (13) also is provided with a shoulder, be equipped with a spring (14) on the outer wall of bearing block (13), the lower end of spring (14) is near the shoulder on installation sleeve (12) inwall, the upper end of spring is near the bottom surface of bearing block (13) flange, one power transmission shaft (15) is installed in the bearing block (13), the bottom of power transmission shaft (15) has one group of bearing (18), (19), the end, lower end of power transmission shaft (15) is shaped on an external screw thread, the top of power transmission shaft (15) is provided with the shoulder of a projection, the end, upper end of power transmission shaft (15) has a groove, one spring (16) is housed in the groove, the upper end end face of groove is mounted with a lid, power transmission shaft (15) is that the screw thread by its end, lower end has been fixedly connected and one connects cover (20), periphery one side that connects cover (20) is shaped on breach, the end face middle part, upper end that connects cover (20) is provided with a boss, be provided with a tapped hole in the body of boss, the middle part, bottom surface that connects cover (20) is provided with a bossing, which is provided with external screw thread, the bottom that connects cover (20) is equipped with a friction wheel (22), middle part, the upper end extension one of friction wheel (22) has the cylinder of center hole, be set with a spring (23) on its outer wall, the upper end of spring (23) is near the bottom surface that connects cover, the lower end of spring (23) is near the upper end of friction wheel (22), one side of friction wheel (22) upper end is provided with a pin, it matches with the breach that connects on the cover (20), the outer dead turn (21) that is equiped with of friction wheel (22), friction wheel (22) is overlapped the bottom and forms thread connection with connecing by center hole it on by the spiral shell guide pin bushing (25) with internal thread.

Wire-winding unit (4) is to be assemblied on the installing plate (11), and installing plate (11) is to be located by the hole that installing hole is fixedly connected on the upper end end face of head (1) by screw.

During use, pack into the end, upper end of power transmission shaft (15) of peg or spindle, make fixedly peg or spindle of spring (16), then, take out lead-in wire from ball of string frame (2), making lead-in wire pass hole on the line plate (10), by clamp dish (7), to go between on peg or spindle again, driving handle (26), depress the duckbilled on the bearing block (13), driving power transmission shaft (15) sinks, by connecing cover (20), spiral shell guide pin bushing (25), make and the friction pulley (22) of the band dead turn (21) that power transmission shaft (15) connects intermeshes with drive (5), at this moment, pressing plate (28) on the handle (26) is near peg or spindle, at last, starter motor passes through belt wheel, main shaft, drive (5) and friction wheel (22) make the peg or spindle rotation on the power transmission shaft (15), wind the line, behind the full peg or spindle of wire-wound, a ball of string promptly passes through pressing plate (28) with the past extrapolation of handle (26), discharges the bearing block of being pushed down (13) simultaneously and pops up, and drive power transmission shaft (15) and friction wheel (22), move upward, drive (5) is separated with friction wheel (22), peg or spindle stops operating.

The effect of spring (27) is that the handle (26) that guarantees band pressing plate (28) is pressed on the peg or spindle, makes coiling neat.

The effect of spring (14) is when obtaining discharging, a motoricity that makes progress to be arranged at bearing block (13), drives friction wheel (22) and throws off.

The effect of spring (23) is when friction wheel (22) meshes with drive (5) thrust to be arranged, to guarantee tight contact.

Claims (1)

1. Sewing machines Winder, it comprises head (1), ball of string frame (2), cross line component (3), wire-winding unit (4), it is characterized in that described head (1) upper end end face is provided with a hole, on the main shaft in the head (1) drive (5) is housed, described being fixed on crossed line component (3) by crossing tailor's tack (6) on the end face of head (1) upper end, clamp dish (7), turriform spring (8), tension regulating thumb nut (9) and mistake line plate (10) are formed, described wire-winding unit (4) comprises installing plate (11), the rounded shape of installing plate (11), which is provided with a notched big hole, one small sircle hole and installing hole, the lower port place of big hole be equipped with end, a upper end be provided with a shoulder and a sidewall is notched and the inwall bottom is provided with the installation sleeve (12) of a shoulder, the breach of big hole is relative with breach on the installation sleeve (12), installation sleeve (12) is built-in with end, a upper end and is provided with the bearing block (13) that flange and flange one side are extended with a duckbilled and inwall bottom is provided with a shoulder, be with a spring (14) on the outer wall of bearing block (13), the upper end of spring (14) is near the bottom surface of bearing block (13) flange, the lower end of spring (14) is near the shoulder on installation sleeve (12) inwall, be placed with a power transmission shaft (15) in the bearing block (13), its top is provided with the shoulder of a projection, its end, upper end is provided with a groove, groove is built-in with a spring (16), the upper end end face of groove is furnished with a lid (17), the bottom of power transmission shaft (15) has one group of bearing (18), (19), the end, lower end of power transmission shaft (15) is provided with an external screw thread, the end, lower end of power transmission shaft (15) is equipped with one by external screw thread and is connect cover (20), periphery one side that connects cover (20) is provided with a breach, the end face middle part, upper end that connects cover (20) is provided with the boss of a band internal thread hole, the middle part, bottom surface that connects cover (20) is provided with one and is with externally threaded bossing, the bottom that connects cover (20) is furnished with the friction wheel (22) of a band friction circle (21), friction wheel (22) upper end middle part is extended with a cylinder that is provided with center hole, be with a spring (23) on its outer wall, the upper end of spring (23) is near the bottom surface that connects cover (20), the lower end of spring (23) is near the upper end of friction wheel (22), one side of friction wheel (22) upper end also is provided with a pin (24), it matches with the breach that connects on the cover (20), friction wheel (22) is to form thread connection by spiral shell guide pin bushing (25) that has internal thread and the bossing that connects cover (20), the handle (26) that a lower surface rearward end is provided with a breach is equipped with at small sircle hole place on the described installing plate (11), the indentation, there of handle (26) is placed with a spring (27), be equipped with a pressing plate (28) on the handle (26), screw is by pressing plate (28), handle (26) and spring (27), and form with installing plate (11) and to be fixedly connected.Described wire-winding unit (4) is to locate by the hole that installing plate (11) is installed on the end face of head (1) upper end.

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