CN100359061C

CN100359061C - Spinning unit of rotor spinning

Info

Publication number: CN100359061C
Application number: CNB2004100416511A
Authority: CN
Inventors: 朱鹏; 王平; 卜仁铨; 杨立辉
Original assignee: Dongtai Textile Machinery Co ltd
Current assignee: Dongtai Textile Machinery Co ltd
Priority date: 2004-08-10
Filing date: 2004-08-10
Publication date: 2008-01-02
Anticipated expiration: 2024-08-10
Also published as: CN1733989A

Abstract

The present invention discloses a spinning device of a rotary cup spinning machine, which comprises a suction cavity arranged on a rotary cup bracket, a spinning cup positioned in the suction cavity, a combing roller and a cotton feeding roller which is parallel and tightly clung to the combing roller, wherein the cotton feeding roller is connected with a worm wheel, and a fiber conveying passage is arranged between the combing roller and the mouth of the rotary cup. The combing roller, the cotton feeding roller and the fiber conveying passage are all arranged on a swing cover which can swing around an axial lead of a worm. The fiber conveying passage is in an integral structure without a working interface; when the spinning device works, the swing cover is tightly clung to the cavity mouth of the suction cavity. The fiber conveying passage is a tapered passage which continuously narrows from an inlet to an outlet. The fiber conveying passage of the spinning device does not have the working interface, and the inner wall of the fiber conveying passage is flat and smooth, which is favorable for conveying fiber; meantime, the worm wheel and a worm pair of the spinning device use a non-detaching structure, which reduces combined damage and ensures stable transmission.

Description

The spinning organ of rotor spinning machine

Technical field

The present invention relates to a kind of rotor spinning machine, relate in particular to have combing roller, defeated fine passage and be arranged at the bleeder spinning organ of the revolving cup in the suction chamber.

Background technology

The spinning organ of bleeder rotor spinning machine is owing to be connected with and initiatively aspirate device of air, and device of rotor for spinning is set in the suction chamber, makes it air-flow and becomes more reasonable, and impurities removal is more effective.Thereby such spinning organ has the yarn qualities good stability, and revolving cup high speed potentiality are big, and the spinning suiting wide ranges, the characteristics that end breakage rate is low, and the occupation rate on market is ever-increasing trend.

But the spinning organ of present this rotor spinning machine all adopts the structural shape at the defeated fine passage of segmentation and two rotary oscillation centers.This structure is on the one hand because separated two sections defeated fine passages have different oscillation centers, and make and feeder connection that combing roller the is adjacent channel outlet to the Nanel between defeated fine passage become the passage that is divided into two with active operation joint, two sections defeated fine channel-active interfaces have to adopt seal to be sealed, thereby can not form the defeated fine vias inner walls of continuous formation, in defeated fine passage, very easily cause the disorder of negative-pressure gas, make the fiber in the defeated fine passage be difficult to form axial flow fully regularly, cause doubling, bending and the winding of fiber.More because the needs of spinning organ repiece, joint operation, and to open its case regularly, the wearing and tearing that defeated fine passage and seal produced then are difficult to avoid with displacement, it is special when its seal suffers damage, defeated fine passage leaks out generation, this is directly defeated fine efficient of influence and end breakage rate not only, and spin stability and spinning quality are also produced extremely harmful influence, even causes the spinning organ can't operate as normal.

On the other hand, owing to opening of spinning organ case is to swing around the case balance staff, defeated fine passage leading portion is also swung with case; Defeated fine passage near one section of combing roller is then swung around the axis of cotton feeding roller.The structure at this two rotary oscillation centers, its direct result at first are complex structures; When existing spinning organ to open again simultaneously, the worm and gear that is connected with cotton feeding roller also must separate thereupon being forced to break away from engagement; Then cause the combination damage of worm and gear when spinning organ closes easily, reduce its accuracy of mesh, influence the transmission stability of cotton feeding roller.

Summary of the invention

In order to overcome the above-mentioned deficiency of existing in prior technology, the object of the present invention is to provide a kind of single rotary oscillation center and defeated fine passage not to have the spinning organ of the rotor spinning machine of working interface.

The technical solution adopted for the present invention to solve the technical problems is: a kind of spinning organ of rotor spinning machine, comprise a suction chamber that is loaded on the revolving cup support, a cup that is arranged in suction chamber, a combing roller and parallel with it adjacent cotton feeding roller, on this cotton feeding roller worm gear is housed, between combing roller and revolving cup, be provided with defeated fine passage, described combing roller, cotton feeding roller and defeated fine passage all are installed on the swing case, this swing case can be around the axial line swing of worm screw, described defeated fine passage is the overall structure of no working interface, and the swing case closely is posted by the accent position of suction chamber during work.

Further embodiment of the present invention is: described worm screw is fixedly installed on the worm shaft, and this worm screw is meshed with described worm gear all the time.

Further embodiment of the present invention is: described defeated fine passage is the tapered channel that narrows down continuously from its inlet to its outlet.

Further embodiment of the present invention is: the swing case with the corresponding faying face of suction chamber on sealing ring is housed, this swing case seals mutually by sealing circle and suction chamber and is close to during work.

After adopting said structure, because defeated fine passage, combing roller, cotton feeding roller all are installed on the swing case, realized the overall structure of passage very easily, defeated fine passage no longer needs to add the working interface of seal, its vias inner walls is smooth unobstructed, has not both had the sorrow of leaking out, and has avoided the disorder of negative-pressure air-flow in the passage again fully, not only help the smooth and easy of the conveying of fiber and air-flow, and effectively reduced the generation of irregular fiber; Defeated simultaneously fine passage adopts the pyramidal structure that narrows down continuously, is more conducive to the stretching of conveying fiber, reduces the bending of fiber.Again because the employing of swing case can be around the moving single centre of gyration structure of worm screw axle center string pendulum, when the swing case is opened, the worm and gear that drives cotton feeding roller no longer needs to throw off, thereby has avoided the combination of worm and gear to take off wound, has improved its kinematic accuracy and transmission stability.This structure also has simple in structure, uses convenience operation.

Description of drawings

Fig. 1 is the structural representation of rotor spinning machine spinning organ of the present invention;

Fig. 2 is the view of the swing case of structure spinning organ shown in Figure 1 when opening;

Fig. 3 is the A-A cross section view in the structure shown in Figure 1;

Fig. 4 is the cotton feeding roller conjunction figure in the structure shown in Figure 1.

Among the figure: 1-revolving cup support; The 2-rotor bearing; The 3-rotor axis; 4-revolving cup tengential belt; 5-revolving cup tengential belt regulating wheel; The 6-revolving cup; The 7-suction chamber; The 8-sealing ring; 9-swings case; The 10-Nanel; The 11-doffing tube; 12-fails fine passage; The 13-combing roller; The 14-cotton feeding roller; The 15-worm shaft; The 16-worm screw; The 17-worm gear; 18-combing roller tengential belt.

The specific embodiment

Shown in Figure 1 is the spinning organ of rotor spinning machine of the present invention, and a suction chamber 7 is installed on revolving cup support 1, and this suction chamber 7 is connected with air draft system, so that form the work negative pressure when spinning organ is worked.Be provided with a revolving cup 6 in the chamber of suction chamber 7, this revolving cup 6 is fixedly installed in the end of rotor axis 3, and rotor axis 3 is supported on the rotor bearing 2, and the other end of rotor axis 3 is equipped with cod; Revolving cup tengential belt 4 is by 6 rotations of rotor axis 3 high-speed driving revolving cups, and the opposite side of revolving cup tengential belt 4 is provided with revolving cup tengential belt regulating wheel 5.As shown in Figure 3, be supported with worm shaft 15 by ball bearing on revolving cup support 1, locking regularly on the worm shaft 15 has worm screw 16; Swing case 9 also supports on the revolving cup support 1 by sliding shaft sleeve, and this sliding shaft sleeve and worm shaft 15 have same revolution axial line; Certainly, this swing case 9 also can be directly to be supported on the worm shaft 15 by bearing.When opening swing case 9, swing case 9 turns round and swings around the axial line of worm shaft 15.Above-mentioned bearing is rolling bearing both, also can be sliding bearing.

On swing case 9, combing roller 13, the cotton feeding roller 14 that can rotate at a high speed is installed and is loaded on the worm gear 17 on the cotton feeding roller 14, defeated fine passage 12, Nanel 10 and doffing tube 11.Combing roller 13 is in the drive turning down of combing roller

tengential belt

18, and 13 fens comb faces of combing roller are tangentially adjacent abreast to be had cotton feeding roller 14 and feed to plate (not drawing among the figure).Be supported on the cotton feeding roller 14 on the swing case 9, the one end is equipped with the worm gear 17 (as shown in Figure 4) that is in engagement with worm screw 16 all the time.Between combing roller 13 and revolving cup 6, be provided with a defeated fine passage 12, this defeated fine passage 12 because of integral installation on swing case 9, and adopted the integral passage structure of no interface easily; Feeder connection is positioned at the branch comb face tangential position of combing roller 13, and channel outlet is positioned on the Nanel 10 in 6 glasss of chambeies of revolving cup; Defeated fine passage 12 is the tapered channel that narrows down continuously from inlet to its outlet, the tapered channel of this whole shape, avoided the disorder of " leaking out " and delivery air, help the unobstructed acceleration of air-flow from feeder connection to its outlet, make fiber under the conveying of this acceleration air-flow, can reduce bending effectively, loop, the formation of irregular fiber such as winding.

Fig. 2 is the open mode figure of rotor spinning machine spinning organ of the present invention.When opening spinning organ swing case 9 when the needs of operation of repiece, joint or cleaning, swing case 9 is only raised certain angle around the swing of the axial line of worm shaft 15, the worm gear that is loaded on the swing case 9 also turns over certain angle around the axial line of worm shaft 15 thereupon, and does not throw off with worm screw 16.The combing roller 13 that is installed on the swing case 9 also breaks away from combing roller tengential belt 18 with 9 swings of swing case.Be installed in all swings thereupon of Nanel 10, doffing tube 11 and sealing ring 8 on the swing case 9.

During work, swing case 9 fits on the revolving cup support 1, and the sealing ring 8 on it is close to the accent position of suction chamber 7, under the effect of the air draft system that is connected with suction chamber 7, form the suction negative pressure in the cavity of suction chamber 7, revolving cup 6 under the driving of revolving cup tengential belt 4 in suction chamber high speed rotary.Worm shaft 15 drives cotton feeding roller 14 by worm gear, worm transmission pair and rotates, sliver through feed be integrated into flattened to horn mouth after, enter feed roller and feed the grip zone that forms to plate, and equably to combing roller 13 conveying slivers.Combing roller 13 is under the drive of combing roller tengential belt 18, do to divide the comb revolution, combing roller 13 is sliver carding assembly single-fiber state, filament arrives on the slide surface of revolving cup 6 through defeated fine path 10, and then slide in the collection surface of revolving cup 6, fiber regroups into continuous yarn in the revolving cup collection surface, and adds certain twist, draws from doffing tube 11 and become yarn.

Claims

1, a kind of spinning organ of rotor spinning machine, comprise a suction chamber (7) that is loaded on the revolving cup support (1), a revolving cup (6) that is arranged in suction chamber (7), a combing roller (13) and parallel with it adjacent cotton feeding roller (14), worm gear (17) is housed on this cotton feeding roller (14), between combing roller (13) and revolving cup (6), be provided with defeated fine passage (12), it is characterized in that: described combing roller (13), cotton feeding roller (14) and defeated fine passage (12) all are installed on the swing case (9), and this swing case (9) can be around the axial line swing of worm screw (16); Described defeated fine passage (12) is the overall structure of no working interface, and swing case (9) closely is posted by the accent position of suction chamber (7) during work.

2, the spinning organ of rotor spinning machine according to claim 1 is characterized in that: described worm screw (16) is fixedly installed on the worm shaft (15); This worm screw (16) is meshed with described worm gear (17) all the time.

3, the spinning organ of rotor spinning machine according to claim 1 is characterized in that: described defeated fine passage (12) is the tapered channel that narrows down continuously from its inlet to its outlet.

4, the spinning organ of rotor spinning machine according to claim 2 is characterized in that: described worm shaft (15) is supported on the revolving cup support (1) by bearing; Described swing case (9) also by bearing and with worm shaft (15) coaxial line be supported on the revolving cup support (1).

5, the spinning organ of rotor spinning machine according to claim 2 is characterized in that: described worm shaft (15) is supported on the revolving cup support (1) by bearing; Described swing case (9) directly is supported on the worm shaft (15) by bearing.

6, according to the spinning organ of claim 1,2 or 3 described rotor spinning machines, it is characterized in that: swing case (9) with the corresponding faying face of suction chamber (7) on sealing ring (8) is housed, this swing case (9) is close to by mutual sealing of sealing circle (8) and suction chamber (7) during work.