CN2298269Y

CN2298269Y - Motor power take-off and thread breakage control device for knitting loom

Info

Publication number: CN2298269Y
Application number: CN 97216241
Authority: CN
Inventors: 杨贵煌
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-02
Filing date: 1997-06-02
Publication date: 1998-11-25
Anticipated expiration: 2007-06-02

Abstract

The utility model relates to a power output and thread breakage controlling device for knitting loom motors, which is arranged on the tail of a knitting loom motor, and is vertically connected and buckled by a lever to make an arm lever of the motor be pulled downwards and positioned. The power of the motor is transported by a clutch. Once the yarns of a knitting loom have breakage information, an electromagnet of the utility model is operated to make the arm lever of the motor recoil immediately, the clutch of the motor separate, and the output of the power be cut off. Therefore, an operator can connect wires or install the wires in time, and meanwhile, the utility model has the advantage of energy saving.

Description

Output of sewing machine machine motor power and escape control device

The utility model belongs to sewing machine, relates in particular to a kind of sewing machine machine motor power output and escape control device.

Shown in Figure 1 is the CD-ROM drive motor 2 employed power output and the escape control device of traditional sewing machine machine 12, be that armed lever 21 tail ends at motor 2 connect a connecting rod 22 vertically downward, connecting rod 22 engages with electromagnet 24 on being arranged on support body 1, during the running of sewing machine machine 12 desires, handle is pulled for 23 times, drive armed lever 21 clockwise direction switchings, clutch 20 combinations of motor 2, the power of motor 2 is by its output, drive and make 12 runnings of sewing machine machine through belt, armed lever 21 switchings simultaneously also drivening rod push away for 22 times, make electromagnet 24 conductions produce suction, continue to keep the trend of armed lever 21 downward switchings, the power of motor 2 continues output, each yarn 10 on the support body 1,11 supply sewing machine machines 12 use when making, yarn 10,11 use up or fracture and when stopping to supply with, sensor will make electromagnet 24 outage at once takeoff, carry on the related connecting rod 22, armed lever 21 counterclockwise turns back, clutch 20 leaves, the power of motor 2 then can't be exported, and treats that operating personnel load onto yarn again, pulls lower handle 23 once more, the sewing machine machine is resumed work, its shortcoming: the one, take sky with bigger, stretch pin when operating personnel work and be obstructed, the influence operation, the 2nd, electromagnet keeps "on" position always, only when yarn uses up or fracture, just change off-position into, cause the waste of power supply.

The purpose of this utility model is to provide output of a kind of sewing machine machine motor power and escape control device, and it makes electromagnet very short conduction time, reducing electrical source consumption effectively, thereby overcomes the defective of traditional product.

The utility model adopts following technical scheme:

Sewing machine machine motor power output of the present utility model and escape control device comprise clutch, connecting rod and electromagnet, also comprise a slightly L-shaped pedestal, vertically stride pull bar of group with a guide block that is  shape on it, and this pull bar moves up and down in guide block; A Y-shaped startup piece axle is located on the pedestal, and the notch of this startup piece and the gib head of pull bar are involutory, and guide block is located at an extension spring with the startup interblock; Start the oblique upper left side of piece and be provided with a microswitch, start the piece left side and be provided with summary locking bar in vertical state, be provided with a spring between its upper end and pedestal, be provided with the backstop bolt between nearly lower end and pedestal, the actuating strut of locking bar lower end and electromagnet is spirally connected, and electromagnet is connected with power supply by microswitch.

Output of the utility model sewing machine machine motor power and escape control device are arranged on the motor afterbody, be connected with the armed lever of motor with connecting rod, the pull bar of connecting rod pulling control device, the related switching of pull bar starts piece, starting piece touching microswitch makes it become the ON state, use the lock dog holding simultaneously, the lock dog lower end is connected with electromagnet, yarn uses up or when fractureing on the sewing machine machine, make the switching of electromagnet pulling lock dog remove holding immediately and start piece, make on the motor armed lever and pull, clutch leaves motor power can't be exported, make the time of electromagnet 46 energising effects very short like this, the consumption that can save many power supplys like this.

Specifically narrate embodiment below in conjunction with accompanying drawing:

Fig. 1 is the perspective view of traditional product

Fig. 2 is the schematic perspective view of the utility model device at the motor afterbody

Fig. 3 is a perspective view of the present utility model

Fig. 4,5,6 is an application state schematic diagram of the present utility model

Consult shown in Figure 2, sewing machine machine motor power output of the present utility model and escape control device 4 are arranged on the afterbody of motor 3, pull bar 43 lower end snails on it are established a connecting rod 32, connecting rod 32 is sealed with armed lever 31 tail ends of motor 3 again, when handle is pulled for 33 times, related armed lever 31 is switching downwards also, drivening rod 32 moves down, and drop-down pull bar 43 is fixed, make armed lever 31 remain on down the state of pulling, clutch 30 combinations of motor 3, the power of motor 3 is exported through it, consult shown in Figure 3, described control device 4 is provided with a slightly L-shaped pedestal 40, be  shape guide block 44 with one on it and vertically stride pull bar 43 of group, pull bar 43 can move up and down in guide block 44, Y-shaped startup piece 42 usefulness bolts are screwed onto on the pedestal 40, this notch 420 that starts piece 42 is involutory with the gib head 430 of pull bar 43,

guide block

44 and 42 of pieces of startup are provided with an extension spring 49, spring 49 can will start piece 42 switchings counterclockwise, start piece 42 oblique upper left sides and be provided with a microswitch 41, after starting piece 42 switching levels, form the ON state with microswitch 41, start piece 42 left sides and be provided with summary locking bar 45 in vertical direction, but 45 of locking bars are located on the pedestal 40 and rotation, locking bar 45 can will start piece 42 horizontal backstops, 40 of described locking bar 45 upper ends and pedestals are provided with a compression spring 47, nearly lower end and 40 of pedestals are provided with backstop bolt 48, the actuating strut of locking bar 45 lower ends and electromagnet 46 is spirally connected, described electromagnet 46 is connected with power supply by microswitch 41, and power supply is by microswitch 46 controls, when promptly microswitch is not in the ON state, electromagnet 46 can't be switched on, and microswitch 46 is commercially available prod.

Consult Fig. 4,5, shown in 6, during the work of sewing machine machine 12 desires, pull down the handle 33 of motor 3, pull bar 43 is moved down, the gib head 430 of pull bar 43 makes and starts the rotation of piece 42 clockwise directions, starting piece 42 left ends contacts with the face that scabbles 450 on the locking bar 45, and locking bar 45 is counterclockwise rotated, after startup piece 45 left ends leave the face of scabbling 450, locking bar 45 recovers vertical, and will start piece 42 button and keep off into level, the startup piece 42 of this moment makes microswitch be in the ON state, shown in Figure 5, electromagnet 46 is and power connection, the notch 420 that becomes the startup piece 42 of level this moment can restriction move down back stay 43 on move, the armed lever 31 of motor 3 is pulled under keeping, clutch 30 keeps engagement state, make motor power output, when the yarn of supplying under sewing machine machine 12 operate as normal uses up or fractures, after predicting, sensor electricity will be imported in the electromagnet 46, and make the switching locking bar 45 that contracts in the actuating strut 460, shown in Figure 6, in case start piece 42 not by locking bar 45 button retainings, will be turned back by spring, microswitch 41 is to the OFF state, electromagnet 46 outages make locking bar 45 get back to plumbness once again, simultaneously pull bar 43 also can on move, the armed lever 31 of motor 3 is upwards turned back, and clutch 30 separates, and the power of motor 3 can't be exported, treat that operating personnel connect yarn, after pulling lower handle 33 again, recover the work of sewing machine machine, the armed lever 31 of motor 3 following pulled fixedly to be through the action of motor power output-controlling device upper connecting rod and to cooperate the button retaining to limit and reach, and the time of electromagnet 46 energising effects is very short, can save the consumption of many power supplys like this.

In sum, output of the utility model sewing machine machine motor power and escape control device, structural design is simple, reasonable, and result of use is good, overcomes the defective of traditional product, reaches design purpose.

Claims

1, a kind of sewing machine machine motor power output and escape control device, comprise clutch, connecting rod and electromagnet, it is characterized in that: it also comprises a slightly L-shaped pedestal, vertically strides pull bar of group with a guide block that is  shape on it, and this pull bar moves up and down in guide block; A Y-shaped startup piece axle is located on the pedestal, and the notch of this startup piece and the gib head of pull bar are involutory, and guide block is located at an extension spring with the startup interblock; Start the oblique upper left side of piece and be provided with a microswitch, start the piece left side and be provided with summary locking bar in vertical state, be provided with a spring between its upper end and pedestal, be provided with the backstop bolt between nearly lower end and pedestal, the actuating strut of locking bar lower end and electromagnet is spirally connected, and electromagnet is connected with power supply by microswitch.