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CN-117758437-B - Knitting machine broken wire detection and brake protection device based on hydraulic drive

CN117758437BCN 117758437 BCN117758437 BCN 117758437BCN-117758437-B

Abstract

The invention provides a braiding machine broken wire detection and brake protection device based on hydraulic drive, and belongs to the technical field of braiding machines; the technical scheme is that the braiding machine broken wire detection and brake protection device based on hydraulic driving comprises a spindle, a driving plate, a transmission chain wheel, a chain, a hydraulic motor base, a hydraulic motor, a centrifugal force speed reducing mechanism and a plurality of clutches, wherein the hydraulic motor and the plurality of clutches are connected through a coupling, an intermediate gear and a bevel gear are arranged between the centrifugal force speed reducing mechanism and the plurality of clutches, a speed reducing plate is arranged in the centrifugal force speed reducing mechanism, the speed reducing plate rotates synchronously with the intermediate gear and the chain wheel, and hydraulic cylinders are arranged on two sides of the hydraulic motor base.

Inventors

  • ZHANG ZHONGLEI

Assignees

  • 徐州聚正机械有限公司
  • 江苏云编智能科技有限公司

Dates

Publication Date
20260505
Application Date
20230627

Claims (7)

  1. 1. The utility model provides a braiding machine broken string detects and brake protection device based on hydraulic drive, includes spindle (1), driver plate (2), drive sprocket (3), chain (4), hydraulic motor base (12) and hydraulic motor (15) on the braiding machine, characterized in that, including spacing guide rail (014) and lower gyro wheel (015) in spindle (1), be provided with on spacing guide rail (014) gyro wheel (012) and spring and connecting seat (013), spacing guide rail (014) terminal extreme position is provided with broken string detector, and broken string detector is used for detecting last gyro wheel (012) motion to spacing guide rail (014) terminal extreme position when the braided wire breaks; The centrifugal force speed reducing mechanism (8) and the multi-plate clutch (13) are connected through a coupler (14), an intermediate gear (9) and a bevel gear (10) are arranged between the centrifugal force speed reducing mechanism (8) and the multi-plate clutch (13), a speed reducing disc (88) is arranged in the centrifugal force speed reducing mechanism (8), the speed reducing disc (88) rotates synchronously with the intermediate gear (9) and the transmission chain wheel (3), the speed reducing disc (88) decelerates and scrubs the intermediate gear (9) and the transmission chain wheel (3) under the action of friction force, and hydraulic cylinders (11) are arranged on two sides of the hydraulic motor base (12) and provide driving force for separating or closing the multi-plate clutch (13); Centrifugal force reducing mechanism (8) are including axle head retaining ring (81), first chain (82), counter weight ball (83), guide rail slider (84), annular guide rail (85), guide rail base (86), electro-magnet (87), reducing gear (88), brake block spacing (89), spring (810), telescopic link (811), three-layer brake block (812), long handle eccentric anchor clamps (813) and anchor clamps base (814), axle head retaining ring (81) are fixed on the axle, and its both sides are connected with counter weight ball (83) with first chain (82), and axle head retaining ring (81) rotate with intermediate gear (9), drive sprocket (3) and axle synchronization respectively to drive both sides counter weight ball (83) rotation.
  2. 2. The braiding machine broken wire detection and brake protection device based on hydraulic driving according to claim 1, wherein the spindle (1) further comprises an upper wire outlet (011), a lower wire inlet (016), an alarm lamp (017), a spindle base (018), a spindle main body (019) and a yarn tube (0110), the spindle base (018) is connected with the spindle main body (019) through bolts, the spindle base (018) is clamped in a groove of a driving plate (2), and the lower part of the spindle base (018) is arranged in an annular groove of an upper bottom plate (16).
  3. 3. The braiding machine broken wire detection and brake protection device based on hydraulic driving according to claim 2, wherein a long-handle eccentric clamp (813) is connected below the annular guide rail (85) through bolts, the rotation center of the other end of the long-handle eccentric clamp (813) is clamped on a clamp base (814), and the clamp base (814) is fixed below the uppermost layer of the three-layer brake pad (812) in a threaded connection mode.
  4. 4. The knitting machine broken line detection and brake protection device based on hydraulic driving according to claim 1, wherein the multi-disc clutch (13) comprises a pressure disc (131), a spline shaft (132), a first connecting piece (133), a second connecting piece (134), a clutch front cover (135), a scattered disc (136), a brake disc (137), a clutch rear cover and an input shaft (138), an inner ring shape of the scattered disc (136) in the multi-disc clutch (13) is matched with the spline shaft (132) and synchronously rotates with the spline shaft (132), and the inner diameter of the brake disc (137) is a circle slightly larger than the outer diameter of the spline shaft (132).
  5. 5. A knitting machine breakage detection and brake protection device based on hydraulic drive according to any of claims 1-4, characterized in that the device further comprises a bearing (5), a lower base plate (6), a profile underframe (7) and an upper base plate (16).
  6. 6. The braiding machine broken line detection and brake protection device based on hydraulic driving according to claim 5, wherein the hydraulic motor (15) is fixed on the hydraulic motor base (12) through bolts, the hydraulic motor base (12) is fixed on the lower base plate (6) through bolts, and an output shaft of the hydraulic motor (15) is connected with a clutch rear cover of the multi-plate clutch (13) and the input shaft (138) through a coupling (14).
  7. 7. Braiding machine, characterized in that it comprises a braiding machine based on hydraulically driven braiding machine wire breakage detection and brake protection device according to any of claims 1-6.

Description

Knitting machine broken wire detection and brake protection device based on hydraulic drive Technical Field The invention relates to the technical field of braiding machines, in particular to a hydraulic drive-based braiding machine broken wire detection and brake protection device. Background The transmission part of the braiding machine comprises three layers, the lowest layer is a gear and sprocket transmission part driven by a hydraulic motor, the second layer is a driving plate which rotates synchronously with the sprocket at the lowest layer, the third layer is a plurality of autorotation spindles which are clamped in grooves of the driving plate and rotate along with the driving plate, braiding wires are wound on bobbins of the spindles, are led out from open hole parts of the spindles, a plurality of spindles are arranged on a complete braiding machine, move to perform matched braiding work under the action of the driving plate, and finally, a rope which is completed in braiding is pulled and collected by a traction wheel. When the braided wire led out from a certain spindle breaks, if the braiding machine continues to operate, the braided rope product is disqualified. Therefore, when the knitting wires are broken in the operation process of the knitting machine, the machine needs to be stopped in time and the broken knitting wires are connected, so that the quality of the produced rope is ensured to be qualified. Currently, existing braiding machines have the following drawbacks: 1. The braiding machine generally does not have the capability of automatically monitoring whether a braided wire is broken or not in the working process and actively stopping the braiding machine when the braided wire is broken. 2. If the braiding machine immediately adopts a sudden stop measure without brake when the braided wire is broken, the rope still can continue to be braided for a certain length due to the inertia of the machine motion, and the quality of the part of the rope is failed due to the lack of the braided wire which is broken in the braiding process of the length of the rope, so that all the ropes are seriously failed. 3. If the movement of the machine is stopped by using an emergency stop mode when the knitting yarns are broken, impact damage is caused to the gear and the chain wheel transmission part, and the service life of the knitting machine is reduced. Accordingly, it is desirable in the industry to have a method that allows the braiding machine to quickly stop operation when the braid breaks without subjecting the gear, sprocket and chain sections to excessive loads and alert the broken spindles to increase productivity. Disclosure of Invention The invention aims to provide a braiding machine broken wire detection and brake protection device based on hydraulic drive, which has the functions of broken wire detection, deceleration emergency stop and impact damage prevention. The invention has the idea that two rollers are additionally arranged between two holes for leading out the silk thread of the spindle, one roller is connected in a spring and guide rail mode, when the braided wire breaks, the roller connected by the spring loses constraint to reach the limit of the tail end of the guide rail, and a brake electric signal is triggered and a warning lamp is lightened. After the electric signal is triggered, the electromagnetic valve of the oil way where the hydraulic cylinder is located is electrified, the left-position function is converted to the right-position function, the piston rod of the hydraulic cylinder stretches out to drive the push plate of the hydraulic cylinder and the pressure plate of the clutch to stretch out, the clutch is disconnected, and the hydraulic motor is not in transmission relation with the subsequent gear. The electromagnet of the brake part is electrified to push the brake pad to be in direct contact with a speed reducing disc fixed on the shaft to carry out friction speed reduction on the gear, the counterweight ball and the intermediate wheel synchronously rotate, the faster the speed is, the larger the centrifugal force is, the position of the annular guide rail in the vertical direction is controlled, the compression degree of the brake pad is changed along with the movement of the annular guide rail by an eccentric clamp directly connected with the annular guide rail, and the slower the rotating speed is, the larger the friction force is until the brake pad is stopped. The invention aims to realize the technical scheme that the braiding machine broken wire detection and brake protection device based on hydraulic drive comprises a spindle, a driving plate, a driving sprocket, a chain, a hydraulic motor base and a hydraulic motor on the braiding machine, wherein the spindle comprises a limiting guide rail and a lower roller, the limiting guide rail is provided with an upper roller, a spring and a connecting seat, a broken wire detector is arranged at the limitin