CN201172718Y - Spindle brake for twisting machine - Google Patents

Abstract

The utility model discloses a spindle brake of a twisting machine, which comprises a spindle brake block, wherein the spindle brake block is fixed on a brake swing arm, one end of the brake swing arm is hinged, and the other end is provided with a rotary tangential belt pusher, and the brake swing arm is further connected with a brake cylinder. The brake swing arm is hinged on a rail through a brake swing arm hinged shaft, the brake cylinder is supported on the rail through a cylinder holder, and the brake cylinder is rotatably connected with the brake swing arm through a brake swing arm connecting element. The utility model has simple structure and reliable and accurate braking, can realize the automatic braking to spinning devices, is beneficial for increasing the automatic degree of the devices, and can be widely applied in the spinning devices such as twisting machines, doubling frames, compound twisting machines and spinning machines and the like.

Description

Twisting machine spindle brake

Technical field

The utility model relates to a kind of textile machine, relates in particular to twisting machine and and twists with the fingers composite twisting machine, specifically a kind of twisting machine or and twist with the fingers the spindle brake apparatus of composite twisting machine.

Background technology

Twisting machine or composite twisting machine are through monofilament (yarn) twisting and close and doubling twisting becomes the textile machine of strand with monofilament (yarn), through and the single thread ectonexine fibre stress twisted with the fingers distribute be improved significantly, thereby combination properties such as the brute force, the bar that have greatly improved yarn are done, ABRASION RESISTANCE and outward appearance feel.

Spindle is the twisting of single thread or strand, the indispensable vitals of reeling in twisting machine or the composite twisting machine.Because spindle is in the twisting winding course of work, always exist the Yarn break phenomenon inevitably, behind monofilament or the Yarn break as untimely joint, not only can produce twisting lacks thigh or causes a large amount of waste silks, cause a large amount of wastage of material, and the winding of broken end back yarn on parts such as twisting or traction, also can cause the damage of machinery equipment, cause unnecessary waste and loss.

Must brake spindle earlier behind the Yarn break, then the broken yarn line could be engaged, at present the mode of braking of spindle is nothing more than two kinds: to be the operative employee with hand go to grasp a kind of the most original method goes joint behind the bobbin of rotation at a high speed again, this free-hand extracting jointing method not only can cause stained to yarn, and at a high speed the spindle bobbin of rotation also causes operative employee's hand easily and burns, thereby in this twisting machine that especially is not suitable for the high ingot speed of large package.Another kind method then is directly to promote brake apparatus with hand or its knee, make brake block withstand the spindle wharve, realize the braking of spindle by the frictional resistance between brake block and wharve, there is the brake force instability on the one hand in this manual braking's device, owing to be subjected to artificial factor such as the individual difference of operative employee and operative employee's technical ability, be difficult to realize braking accurately and reliably, be unfavorable for the even running of spindle and the raising in service life; Particularly in the spindle braking, the tengential belt of driving spindle rotation or spindle band still are close to the spindle wharve and are skidded on wharve, have increased brake force and energy consumption, influence the stability and the reliability of spindle braking; This on the other hand fully by manned brake apparatus, can not realize the automatic monitoring of Textile Machinery and operation automatically, can't realize the Digital Control and the modern management of equipment, restricting the raising of Textile Machinery modernization level.This artificial brake apparatus also exists long, deficiency such as labour intensity is big of operating time, directly affects the raising of production efficiency of equipment; Particularly in the operation of composite twisting machine, to twitch several monofilament twist spindles just when broken end engages earlier respectively handling, after manual separation traction pressure roller and traction roller again, brake the retwist spindle of doubling twisting at last again, operation is trouble very, the consumption worker is consuming time.

The utility model content

At the existing in prior technology deficiency, technical problem to be solved in the utility model provides a kind of twisting machine spindle brake, and it is not only braked accurately and reliably, and can realize the automatic operation of braking, to improve automation degree of equipment.

In order to solve the problems of the technologies described above, twisting machine spindle brake of the present utility model comprises the spindle brake block, and described spindle brake block is installed in the braking swing arm, and this braking swing arm one end is hinged, and the other end of braking swing arm then is equipped with rotating tengential belt push boat; Also be connected with brake cylinder in the braking swing arm.

After adopting said structure, because the braking swing arm of installation spindle brake block drives mutually with brake cylinder and is connected, the artificial braking of spindle is become by cylinder to be provided brake force and realizes braking, retro-speed is fast, brake force is uniform and stable, fundamentally having overcome braking effect, to be subjected to the operator be the defective of factor affecting, improved the accuracy and the reliability of braking significantly; This cylinder mode of braking also effectively reduces operative employee's labour intensity, obviously reduces the down time that broken end engages, and helps the raising of complete machine running efficiency.Because the braking swing arm other end of spindle brake block is installed rotating tengential belt push boat is housed again; spindle brake is when carrying out braking maneuver; at first the transmission tengential belt is pushed away the spindle wharve by the tengential belt push boat; spindle and power source are broken away from; the spindle brake block contacts with the spindle wharve and implements spindle and brake immediately; so neither influence the normal operation of tengential belt; do not increase the energy loss that increases because of braking again; the brake force of required spindle is also corresponding to be reduced; the spindle braking more also helps the service life of protecting spindle and improving spindle.More, realize Digital Control for whole equipment and created condition, be convenient to realize the automatic monitoring and the automation mechanized operation of Textile Machinery owing to adopt the above-mentioned brake actuator that comprises brake cylinder; And the generation that the joint waste silk has been stopped in this automation control of equipment is improving production efficiency of equipment greatly.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model twisting machine spindle brake is described in further detail;

Fig. 1 is the structural representation of a specific embodiment of the utility model twisting machine spindle brake;

Fig. 2 is the structural representation of A-A section in the structure shown in Figure 1;

Fig. 3 is the occupation mode schematic diagram that the utility model twisting machine spindle brake is applied to a kind of composite twisting machine.

The specific embodiment

In Fig. 1, twisting machine spindle brake shown in Figure 2, spindle includes spindle support 1 and wharve 3, and its spindle support 1 is fixedly installed on the rail 2, and wharve 3 can be loaded on the spindle support 1 at a high speed rotatably by spindle blade; Transmission tengential belt 4 is adjacent to wharve 3 tangently, does the rotation of high speed twisting winding to drive spindle.Be provided with braking swing arm 5 at wharve 3 and transmission tengential belt 4 relative opposite sides, steel stamping parts are adopted in this braking swing arm 5; The one end can be swingingly hinged on rail 2 by braking swing arm hinging supporting shaft 12, the other end of braking swing arm 5 then is equipped with tengential belt push boat 10 by tengential belt push boat bearing pin 11 and rolling bearing (not drawing among the figure), and this tengential belt push boat 10 is near the transmission side of transmission tengential belt 4.

Inboard in braking swing arm 5 is installed with brake block 6, and this brake block 6 adopts leather substance, can certainly be common brake materials such as fiberglass braided band, rubber.Outer fix in braking swing arm 5 is provided with brake cylinder 9, and brake cylinder 9 is fixedly attached on the rail 2 by cylinder saddle 8, and this brake cylinder 9 adopts general double-acting piston cylinder.Brake cylinder 9 is connected with braking swing arm 5 versatilely by braking swing arm connector 7, and braking swing arm connector 7 works the connecting rod effect of doing in the linkage during braking, and this structure also can be to adopt movable connection methods commonly used such as connecting elongated slot certainly.

During braking, solenoid control compressed air, so that the piston rod of brake cylinder 9 is released forward, the piston rod of brake cylinder 9 promotes braking swing arm 5 coiling movable pendulum arm hinging supporting shafts 12 to wharve and tengential belt direction forward swing.The tengential belt push boat of at first braking in the swing arm 5 10 is pushed transmission tengential belt 4 open from the wharve 3 of spindle, spindle and transmission tengential belt 4 are broken away from mutually.Braking swing arm 5 continues forward swing, makes spindle brake block 6 press close to wharve 3 fast, and apply a frictional resistance to wharve under the effect of brake cylinder 9, implements the braking to spindle.During the spindle end of braking, contract behind the piston rod of brake cylinder 9, piston rod drives braking swing arm 5 back pendulum, at first spindle brake block 6 breaks away from spindle wharve 3, spindle can freely rotate, transmission tengential belt 4 loses the thrust of tengential belt push boat 10 and is adjacent to wharve 3 again immediately, and the drive spindle is done the twisting winding rotation, spindle recovery operate as normal.

Fig. 3 is the occupation mode schematic diagram that the utility model twisting machine spindle brake is applied to a kind of composite twisting machine.This composite twisting machine includes plurality of compound and twists with the fingers the unit, and each upper position compound and the sth. made by twisting unit is provided with three single twisting spindles 15, and each bottom compound and the sth. made by twisting unit is provided with a retwist spindle 23.Three single twisting spindles 15 of this composite twisting machine all adopt two-for-one twisting spindles, and 23 on retwist spindle is the ring ingot.In whole braking gas circuit and control system, include solenoid electric valve 22, electromagnetism SR 16 and broken yarn self-stop monitoring device 17 that three single twisting brakes 14, one retwist spindle brakes 24, pressure rollers lift cylinder 21 and control each brake brake cylinder action.When broken yarn self-stop monitoring device 17 monitors certain one thread appearance broken end, 22 actions of broken yarn self-stop monitoring device 17 instruction solenoid electric valves, solenoid electric valve 22 controls are moved with the single twisting brake 14 and the retwist spindle brake 24 of the corresponding spindle of fracture of wire, make corresponding single twisting spindle 15,23 brakings of retwist spindle, simultaneously pressure roller lifts cylinder 21 and lifts arm 20 by pressure roller and will draw pressure roller 11 and be lifted away from drawing rollers 19, so that fracture of wire is engaged.

After fracture of wire engages, press correspondence and twist with the fingers the electromagnetism SR 16 of unit, solenoid electric valve 22 is resetted, each corresponding mutually spindle brake cylinder discharges, the brake brake block withdraws from application position, traction pressure roller 18 lifts the operating position that reenters under the effect of cylinder 21 on the traction roller 19 at pressure roller, the transmission tengential belt also reenters the transmission operating position, and fracture of wire is compound and twist with the fingers the unit and recover operate as normal.

The above is preferred implementation of the present utility model and the preferred twisting machine equipment that is suitable for, and should illustrate, for the person of ordinary skill of the art, under the situation that does not break away from the utility model basic principle, can also make many improvement and conversion.Brake can also adopt electromagnet except that adopting the brake cylinder structural shape, the drives structure that rack-and-pinion etc. are commonly used etc.; The rotating band of spindle also can be rolling disk, the spindle band structure of using always except that adopting transmission tengential belt structure; Certain spindle brake of the present utility model is not only applicable to composite twisting machine, is applicable to that also twisting machine, doubling frame, fine spining machine etc. have in the textile machine that adds twist spindles.Above-mentioned these conversion and improvement all should be considered as belonging in the protection sea of bitterness scope of the present utility model.

Claims (3)

1, a kind of twisting machine spindle brake, comprise spindle brake block (6), it is characterized in that: described spindle brake block (6) is installed in the braking swing arm (5), and these braking swing arm (5) one ends are hinged, and the other end of braking swing arm (5) then is equipped with rotating tengential belt push boat (10); Also be connected with brake cylinder (9) in the braking swing arm (5).

2, twisting machine spindle brake according to claim 1, it is characterized in that: described braking swing arm (5) is hinged on rail (2) by braking swing arm hinging supporting shaft (12), brake cylinder (9) also is supported on the rail (2) by cylinder saddle (8), and this brake cylinder (9) is connected with braking swing arm (5) versatilely by braking swing arm connector (7).

3, twisting machine spindle brake according to claim 1 and 2 is characterized in that: described brake cylinder (9) is the two-way ram cylinder.

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