CN2248723Y

CN2248723Y - Mechanism for lifting bobbin for automatic stop of work for winding frame when ending down

Info

Publication number: CN2248723Y
Application number: CN 96204865
Authority: CN
Inventors: 陈安磐
Original assignee: STATE-RUN TIANJIN TEXTILE MACHINERY FACTORY; CHINA TEXTILE MACHINERY INDUST
Current assignee: China Textile Machinery (Group) Co., Ltd.
Priority date: 1996-03-28
Filing date: 1996-03-28
Publication date: 1997-03-05
Anticipated expiration: 2006-03-28

Abstract

The utility model relates to a mechanism for lifting bobbins for automatic stop of work for winding frames when ending down. In the mechanism, a locking plate 1 is arranged on supporting pins 4a and 4b. The back of the locking plate 1 fastens with a locking pin 2, and the front of the locking plate 1 fastens a raising shaft 3. When one end of a yarn is broken, the raising shaft 3 is raised, and the left and the right locking pins 2 clamp a lifting rod 6 with raising a small distance under the action of a tension spring 5. When the ascending of the raising shaft 3 approaches to an ending, an interlocking rod 7 is inserted into a groove of the locking plate 1 under the action of a tension spring 8, and the raising shaft 3 stops ascending. When the end of the yarn is connected with continuing winding, the interlocking rod 7 is operated to quit by hand, the locking pins 2 loosen the lifting rod 6, and the locking plate 1 falls on the supporting pins 4a and 4b by gravity and the tension spring 5. The raising mechanism has the advantages that no matter what size the bobbin is, when the end of the yarn is broken, the bobbin is always raised with a small distance, an impact caused between the bobbin and a groove drum is eased when a grasping arm of the bobbin is lowered, and the quality of the bobbin is enhanced.

Description

The bobbin lifting mechanism that is used for the bobbin winder end break self-stop

The utility model relates to a kind of bobbin winder bobbin lifting mechanism.

In the old-fashioned common bobbin winder of homemade 1332 types, during Yarn break, the automatic raising height of bobbin generally is certain at present, i.e. bobbin diameter no matter, always be raised to highest point during broken end, when making bobbin reach maximum permission diameter, bobbin still keeps a small distance with the doff groove drum.This kind lifting mechanism shortcoming is, bobbin around full diameter hour, will not be raised to highest point during broken end yet.When connecting a continuation winder, bobbin drops on the groove drum from highest point, and bobbin is impacted.From beginning to be wound up into full tube, the normal configuration of cheese is constantly impacted, and influences tube quality.This broken end lifting mechanism, incompatible full especially tube diameter is big and have a requirement of the novel bobbin winder hand-to-arm grip of spring pressurization, hydraulic cushion.

The purpose of this utility model is to adopt new principle and mechanism, to avoid above-mentioned shortcoming.

The bobbin winder bobbin lifting mechanism that the utility model relates to comprises latch 1, locking pin 2, lifts axle 3, consignment 4a and 4b, extension spring 5, elevating lever 6, gangbar 7, extension spring 8, transmission arm 12, casting cover plate 17, supporting 18, supporting 19 and slide block 20.Locking pin 2 is fastened on the back of latch 1, about each one, the centre is an elevating lever 6.Left and right locking pin 2 is not on same horizontal line, and left locking pin 2 is a little more than right locking pin 2.Lift axle 3 and be fastened on latch 1 front, its relative elevating lever 6 is setovered, and links to each other with slide block 20 and transmission arm 12.Left and right consignment 4a and 4b are below latch 1, and gangbar 7 withstands on latch 1 left side, extension spring 8 and 5 be contained in respectively the top of latch 1 and below.The last

lower support

18,19 of consignment 4a and 4b and elevating lever 6 is contained on the cover plate 17, and cover plate 17 usefulness screws and end break self-stop case rear wall link.During normal operation, latch 1 is seated on consignment 4a and the 4b in the mechanism, and elevating lever 6 increases gradually with bobbin and slowly rises, and is not subjected to the restriction of left and right locking pin 2 on the latch 1.When Yarn break, lifting axle 3 rises, latch 1 breaks away from consignment 4a and 4b, be subjected to extension spring 5 around the moment loading that lifts axle 3 centers, latch 1 is tilted to the right, and left and right locking pin 2 presses elevating lever 6, drives elevating lever 6 by friction and rises, lift the bobbin hand-to-arm grip, elevating lever 6 lifts the several times that power is extension spring 5 power.Small distance of elevating lever 6 risings disengages bobbin and doff groove drum, realizes end break self-stop.No matter the bobbin size is all lifted a small distance during broken end.In lifting axle 3 uphill process, gangbar 7 mat extension springs 8 effects are inserted in latch 1 groove, make left and right locking pin 2 continue clamping elevating lever 6, keep lifting the position.When connecting yarn and thread head continuation winder, gangbar 7 hand-manipulated returns to original position, withdraws from the locking board slot, and left and right locking pin 2 loosens elevating lever 6, drops on consignment 4a and the 4b position when returning to the bobbin winder proper motion under latch 1 mat extension spring 5 and the deadweight.At this moment, lift axle 3 and keep motionless, elevating lever 6 strengthens gradually with bobbin and slowly rises.The related lifting mechanism of the utility model is in normal operation, and bobbin contacts with the doff groove drum, and during Yarn break, bobbin lifts automatically with groove drum and disengages.

Lifting axle 3, to stretch out latch 1 more, stressed bigger during rising, and latch 1 tightens axle 15, and by stiffener 16 with lift spools 3 and connect, see Figure of description 4.

The utility model has the advantages that: during (1) Yarn break, after bobbin lifted automatically, bobbin external diameter and doff groove drum spacing always kept a small distance, made to connect a bobbin when falling, be subjected to impacting less, to improve the quality of bobbin.(2) utilize the frictional force self-lock mechanism, the pulling force of spring 5 is less, but that elevating lever 6 lifts power is bigger, is the several times of spring tension.(3) owing to do not have sour jujube bar ratchet and so on part in this mechanism, there is not noise in the running.

With reference to embodiment and accompanying drawing the present invention more is described in detail below, wherein:

Fig. 1 is the embodiment front elevational schematic of lifting mechanism of the present utility model

Fig. 2 is a lifting mechanism latch front elevational schematic shown in Figure 1

Fig. 3 is the schematic top plan view of lifting mechanism latch shown in Figure 1

Fig. 4 is the structural scheme of mechanism that axle 3 is lifted in biasing among Fig. 3

Fig. 5 is a lifting mechanism installation cover plate sectional schematic diagram shown in Figure 1

Eccentric wheel 9 slow rotation in bobbin winder runs well among Fig. 1 drives slave arm 11, transmission arm 12 swings by roller 10, and strut 13 moves back and forth.During normal operation, the oscillation center of transmission arm 12 is to lift axle 3, so latch 1 mat extension spring 5 effects keep motionless.When Yarn break, strut 13 moves back and forth and is restricted, and transmission arm 12 lifts axle 3 and rises around 14 swings of strut 13 1 end bearing pins, and latch 1 lifts, and left and right locking pin 2 clamping elevating levers 6 upwards lift the bobbin hand-to-arm grip.Lift in axle 3 uphill process, because extension spring 8 effect, gangbar 7 is inserted in latch 1 groove, is subjected to extension spring 5 effects, left and right locking pin 2 clamping elevating lever 6 still on the latch 1.At this moment, strut 13 reciprocating motions are no longer restricted, and transmission arm 12 also no longer lifts axle 3 around lifting axle 3 swings.

After connecting Yarn break, manual push bar, gangbar 7 returns to original position, and left and right locking pin 2 is clamping elevating lever 6 no longer, and the pulling force of deadweight of latch 1 mat and extension spring 5 drops on consignment 4a and the 4b.

Latch 1 is the main body of retaining mechanism among Fig. 2,3.Left and right locking pin 2 is fastened on its back, and the centre is an elevating lever 6.Left and right locking pin 2 is not on same horizontal line, but left locking pin 2 is a little more than right locking pin 2.Lift the front that axle 3 is fastened on latch 1, link to each other with slide block among Fig. 4 20 and transmission arm 12.Gangbar 7 withstands on latch 1 left side, extension spring 8 and 5 be contained in respectively the top of latch 1 and below.Lift axle 3 relative elevating levers 6 and setover, its center preferably is positioned on left locking pin 2 and the elevating lever 6 point of contact straight lines.When bobbin winder ran well, latch 1 mat extension spring 5 jail seats kept motionless on left and right consignment 4a and 4b, and elevating lever can increase gradually and rises with bobbin.Main part such as latch 1, locking pin 2, consignment 4a and 4b, elevating lever 6, gangbar 7 is all made with heat treated steel part.

Fig. 4 is for lifting axle 3 structural representations on the latch 1.To stretch out latch 1 more owing to lift axle 3, and stressed bigger when lifting elevating lever 6, depends merely on its axle head and combine firm inadequately with latch 1.Latch 1 tightens axle 15, connects with stiffener 16 between the two, lifts the stressed of axle 3 to share.

17 for the casting cover plate of lifting mechanism is installed among Fig. 5, and left and right consignment 4a and 4b are housed on it, when bobbin winder runs well, supports latch 1 base plane.Cover plate has the supporting 18 and 19 of elevating lever 6 up and down, and elevating lever 6 can slide up and down in supporting.Cover plate 17 usefulness screws are contained in outside the automatic stop case rear wall, and have pin and automatic stop case rear wall to fix.

According to institutional arrangement, latch 1 is in the automatic stop case, and position, the left and right sides is limited by locking pin 2 and elevating lever 6, but can move up and down along elevating lever 6, and extreme lower position is limited by consignment 4a and 4b, and latch 1 front and back position in the automatic stop case is determined by interlocking arm 12.Whole lifting mechanism compact, and can finish the end break self-stop bobbin and lift effect.

Claims

1, a kind of bobbin lifting mechanism that is used for the bobbin winder end break self-stop, it is characterized in that: comprise latch 1, locking pin 2, lift axle 3, consignment 4a and 4b, extension spring 5, elevating lever 6, gangbar 7, extension spring 8, transmission arm 12, casting cover plate 17, supporting 18, supporting 19 and slide block 20, locking pin 2 is fastened on the back of latch 1, about each one, the centre is an elevating lever 6, a left side, right locking pin 2 is not on same horizontal line, left side locking pin 2 is a little more than right locking pin 2, lift axle 3 and be fastened on latch 1 front, its relative elevating lever 6 is setovered, and link to each other with slide block 20 and transmission arm 12, a left side, right consignment 4a and 4b are below latch 1, gangbar 7 withstands on latch 1 left side, extension spring 8 and 5 be contained in respectively the top of latch 1 and below, the last lower support 18 of consignment 4a and 4b and elevating lever 6,19 are contained on the cover plate 17, and cover plate 17 usefulness screws and end break self-stop case rear wall link.

2, mechanism as claimed in claim 1 is characterized in that: lift on left locking pin 2 of being centered close to of axle 3 and the elevating lever 6 point of contact straight lines.

3, as claim 1,2 described mechanisms, it is characterized in that: latch 1 tighten axle 15 and by stiffener 16 with lift spools 3 and connect.