CN101492853B

CN101492853B - Drop reed mechanism of towel machine

Info

Publication number: CN101492853B
Application number: CN2009100256549A
Authority: CN
Inventors: 王勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-05
Filing date: 2009-03-05
Publication date: 2010-12-01
Anticipated expiration: 2029-03-05
Also published as: CN101492853A

Abstract

The invention relates to a movable reed mechanism for a towel machine. A reed seat leg is arranged on a frame of the towel machine by a fulcrum shaft of the reed seat leg; the reed seat leg is provided with a rotating shaft with a rotary gear and an eccentric cam; the rotary gear is meshed with a swing arm notch with a sector notch on the reed seat leg; the reed seat leg is movably connected with a fulcrum shaft; the fulcrum shaft is locked with a reverse lever; the eccentric cam is connected with a link rod by a bearing; one end of the link rod is sheathed on the eccentric cam by the bearing, while the other end of the link rod is connected with one end of the reverse lever by the bearing; the other end of the reverse lever is fixedly connected with a movable reed to realize that rotation of the eccentric cam drives the reverse lever by the link rod to rotate, so as to realize beating-up of the movable reed. The mechanism has the advantages of compact structure, automatic locking realization after reed close, small friction of mechanism operation, low noise, long service life, high fuzz precision, super short fuzz manufacture availability, good quality of towel, and is suitable for universal popularization.

Description

Drop reed mechanism of towel machine

Technical field

The present invention relates to a kind of arrow shaft towel machine, is a kind of towel machine fluffing drop reed mechanism specifically.

Background technology

In towel was weaved, the fluffing of looped pile was to utilize behind the reed alive of weaving loom pendulum to beat up to realize.The fluffing mode that tradition is used is the bump swing arm, frequent bump swing arm in the work, and mechanism is fragile, causes the terry height inconsistent, has a strong impact on product quality.The movable reed of the existing centering type that uses, as the patent No. is the movable reed devices of 200420014321.9 disclosed a kind of centering types, on its reed seat swing arm is installed, the swing arm lower end is connected on the axle bed and rotates around the axis, the swing arm middle part has waist type groove, one rotating shaft passes that swing arm can move up and down and is fixing in groove, swing arm drives opened with certain angle by rotating shaft through eccentric cam, eccentric bushing and realizes living putting behind the reed and beat up.Its weak point is: between eccentric bushing and the swing arm, be sliding friction between eccentric cam and the eccentric bushing, generation easy to wear gap, running accuracy is low, can not guarantee the terry height unanimity of beating up, and influences the towel quality, and realize that the swing arm volume that beats up is big, increased the spacing of reed and heald frame, its cost height, load carried is big, design unreasonablely, be unfavorable for weaving.

Summary of the invention

In order to overcome the deficiencies in the prior art, the purpose of this invention is to provide a kind of compact conformation, not easy to wear, stable, the no gap of beating up, the high towel drop reed mechanism of fluffing precision.

In order to achieve the above object, the technical solution used in the present invention is: a kind of drop reed mechanism of towel machine comprises lay sword, main slay, the reed alive that reed and movable slay are formed, the swing arm of band sector mouth, main slay is fixedlyed connected with lay sword, lay sword is connected on the towel machine frame through the lay sword fulcrum, lay sword is provided with a rotating shaft, rotating shaft is through rotating support and connection on lay sword, rotating shaft tightens and a swing pinion is housed and synchronous eccentric cam more than, tooth mouth engagement in swing pinion and the swing arm, swing arm is connected on the lay sword through the swing arm fulcrum, swing arm connects the pull bar of towel machine fluffing changement, it is characterized in that flexibly connecting on the described lay sword fulcrum, locking has reverse lever on the fulcrum, described eccentric cam connects an end of link rod through bearing, the other end of link rod is through an end of bearing connection reverse lever, and the other end of reverse lever is fixedlyed connected with the reed of living.This mechanism back and forth rotates around fulcrum through link rod drive reverse lever by rotating shaft, eccentric cam and realizes that reed alive beats up, and has overcome traditional bumping, its compact conformation, and good rigidly, noise is low, and is not fragile, and fluffing precision height can be guaranteed highly unanimity of fluffing.

Described swing arm is provided with returning spring, and returning spring one end is connected in the swing arm, and the other end connects on the spring fixing feet of lay sword; Described reverse lever connects on the end of link rod and connects returning spring, and the other end of returning spring connects lay sword, and through swing pinion driven rotary axle rotation backhaul, reasonable in design has been guaranteed the operate as normal of towel machine under the effect of returning spring.

Being fixed with second locating part in the described swing arm cooperates the realization swing arm spacing static with second limited block that lay sword is provided with, being fixed with first locating part on the described rotating shaft cooperates the realization rotating shaft spacing static with first limited block that lay sword is provided with, drop reed mechanism of towel machine overcomes returning spring elastic force and makes eccentric cam, rotating shaft, reverse lever, swing arm spacing static when the reed of living is closed, and this moment, the eccentric cam center of circle, the rotating shaft center of circle, reverse lever and the link rod contact center of circle were in same straight line.Two locating parts can use simultaneously or use separately, and the reed of living is closed to be stablized, and the power of beating up reaches the power of beating up of traditional fixedly reed that uses when guaranteeing fluffing and forging shelves to weave.

Identical and the eccentric position of a plurality of degree of eccentricitys eccentric cam of rotation synchronously is installed on the described rotating shaft, is guaranteed that the multiple spot dynamics of beating up equates that fluffing is highly consistent, and the reed of living during rotating shaft Rotate 180 ° is opened the reed maximum.

The link rod transmission reverse lever that the present invention adopts rotating shaft and fulcrum cooperation to have eccentric cam rotates the swing that reaches reed alive around fulcrum to be realized beating up, it is simple and compact for structure, closing the eccentric cam center of circle behind the reed, the rotating shaft center of circle, reverse lever and the link rod contact center of circle is in same straight line and realizes towel machine auto lock, mechanical operation wearing and tearing are little, noise is low, long service life, fluffing precision height, can make special short hair, the towel quality is good.

Description of drawings

Fig. 1 is the structural representation of an embodiment of the present invention;

Fig. 2 is the structural representation of another embodiment of the present invention;

Fig. 3 is a rotating shaft place position-limit mechanism schematic diagram;

Fig. 4 is a swing arm fulcrum place position-limit mechanism schematic diagram.

Among the figure: main slay 1, movable slay 2, reed 3, reverse lever 4, fulcrum 5, bearing 6,11, link rod 7, returning

spring

8,14, rotating shaft 9, eccentric cam 10, swing pinion 12, swing arm 13, lay sword 15, spring fixing feet 16, lay sword fulcrum 17, swing arm fulcrum 18, pull bar 19, the first locating parts 20, second locating part, 201, the first limited blocks, 21, the second limited blocks 211.

The specific embodiment

The invention will be further described below in conjunction with drawings and Examples.

A kind of embodiment of drop reed mechanism of towel machine shown in Figure 1, mainly comprise lay sword 15, swing arm 13, swing pinion 12, eccentric cam 10, link rod 7, reverse lever 4, swing arm 13 is movably connected on the lay sword 15 through swing arm fulcrum 18, lay sword 15 is connected on the towel machine frame through lay sword fulcrum 17, lay sword 15 is provided with spring fixing feet 16, rotating shaft 9, fulcrum 5, rotating shaft 9 is provided with a plurality of synchronous eccentric cams 10 and a swing pinion 12, tooth mouth engagement in swing pinion 12 and the swing arm 13, eccentric cam 10 is connected in the lower end of the link rod 7 of vertical setting through bearing 11, link rod 7 upper ends connect an end that lock onto the perpendicular type reverse lever 4 on the fulcrum 5 through bearing 6, the fixedly connected movable slay 2 that has reed 3 of the other end of reverse lever 4, movable slay 2 is arranged on the main slay 1 on the lay sword 15, one end of returning spring 8 connects reverse lever 4, the other end of returning spring 8 connects lay sword 15, one end of returning spring 14 is connected in the swing arm 13, the other end of returning spring 14 is connected on the spring fixing feet 16, is connected with the pull bar 19 of towel machine fluffing changement in the swing arm 13.

Another embodiment of drop reed mechanism of towel machine shown in Figure 2, reverse lever 4 adopts vertically " one " font lever, link rod 7 horizontal positioned, lay sword fulcrum 17 is arranged at swing arm fulcrum 18 belows, connect returning spring 14 in the swing arm 13 of swing arm fulcrum 18 belows, connect the pull bar 19 of towel machine fluffing changement in the swing arm 13 of swing arm fulcrum 18 tops, all the other structures are with embodiment illustrated in fig. 1 identical.

Among above-mentioned two kinds of embodiment, pull bar 19 and returning spring 14 visual installation situation are loaded in the swing arm 13 above or below the swing arm fulcrum 18, and returning spring 14 can adopt extension spring or stage clip.

When the towel machine was worked, lay sword 15 was that fulcrum swings under the drive of towel machine main shaft with lay sword fulcrum 17, drove pull bar 19 simultaneously and realized displacement, and swing left is for beating up counterclockwise for main slay 1, and swing to the right is wefting insertion clockwise.

When need not reed, swing arm 13 is static relatively with lay sword 15 swings, first locating part 20 and first limited block 21 are spacing on rotating shaft under returning spring 8 effect, under the effect of returning spring 14 in swing arm 13 second locating part 201 and second limited block 211 spacing, make the eccentric cam center of circle shown in Fig. 1,2, the rotating shaft center of circle and reverse lever and the link rod contact center of circle keep same straight line, be fixed on movable slay 2 and reed 3 and main slay 1 closure on many group reverse levers 4 this moment, the power of beating up maximum.

When needing a reed to beat up, in lay sword 15 moves the process of beating up to the left, pull bar 19 is subjected to its opposite direction active force and lay sword 15 relative displacements in the swing arm 13 junction directions of motion, make swing arm 13 overcome returning spring 14 elastic smooth hour hands or be rotated counterclockwise, simultaneously through the 9 corresponding rotations of swing pinion 12 driven rotary axles, again through eccentric cam 10, link rod 7 drives reverse lever 4 realization activity slays 2, reed 3 is that fulcrum turns clockwise with fulcrum 5 centers of circle, this beating-up mechanism is the maximum reed amount of opening when lay sword 15 moves to the leftmost side, makes weft yarn beat moving the beating up of position realization towel reed of knitting a certain distance on distance.

When lay sword 15 is that fulcrum drives main slay 1 to the right in the motion process with lay sword fulcrum 17, the reaction force of pull bar 19 is cancelled gradually, swing arm 13 realizes counterclockwise or turns clockwise through swing pinion 12 driven rotary axles 9 under the effect of returning spring 14, and finally on first locating part 20 on the rotating shaft 9 and second locating part 201 in the swing arm 13 affact separately limited block 21,211, the work reed closure that resets during the same straight line in the eccentric cam center of circle, the rotating shaft center of circle and reverse lever and the link rod contact center of circle; When lay sword 15 is that fulcrum drives main slay 1 and moves to the left when beating up to the leftmost side with lay sword fulcrum 17, the different under external force resting position of pull bar 19 can realize the anglec of rotation that swing arm 13 is different, driven rotary axle 9 is realized the different angles rotation simultaneously, thus the displacement of decision reed 3.Pull bar 19 relative resting positions are identical, and hair is high identical when just having determined also that towel is weaved.

Claims

1. drop reed mechanism of towel machine, comprise lay sword (15), main slay (1), the reed alive that reed (3) and movable slay (2) are formed, the swing arm (13) of band sector mouth, main slay is fixedlyed connected with lay sword, lay sword is connected on the towel machine frame through lay sword fulcrum (17), lay sword is provided with a rotating shaft (9), rotating shaft tightens an intrinsic swing pinion (12) and synchronous eccentric cam (10) more than, tooth mouth engagement in swing pinion and the swing arm, swing arm is connected on the lay sword through swing arm fulcrum (18), swing arm connects the pull bar (19) of towel machine fluffing changement, it is characterized in that: described lay sword (15) is gone up and is flexibly connected a fulcrum (5), fulcrum (5) is gone up locking reverse lever (4), described eccentric cam (10) connects link rod (7) one ends through bearing (11), the link rod other end connects reverse lever (4) one ends through bearing (6), and the reverse lever other end is fixedlyed connected with movable slay.

2. drop reed mechanism of towel machine according to claim 1 is characterized in that: described swing arm (13) is provided with returning spring (14), and an end of returning spring connects swing arm, and the other end is connected with spring fixing feet (16) on the lay sword (15).

3. according to the described drop reed mechanism of towel machine of claim 1, it is characterized in that: connect returning spring (8) on the end of described reverse lever (4) connection link rod, the other end of returning spring connects lay sword (15).

4. drop reed mechanism of towel machine according to claim 1, it is characterized in that: be fixed with second locating part (201) in the described swing arm (13), be fixed with second limited block (211) on the lay sword (15), second locating part (201) cooperates with second limited block (211) realizes the spacing static of swing arm (13).

5. drop reed mechanism of towel machine according to claim 1, it is characterized in that: be fixed with first locating part (20) on the described rotating shaft (9), be fixed with first limited block (21) on the lay sword (15), first locating part (20) cooperates with first limited block (21) realizes the spacing static of rotating shaft (9).

6. drop reed mechanism of towel machine according to claim 1, it is characterized in that: be fixed with first locating part (20) on the described rotating shaft (9), be fixed with first limited block (21) on the lay sword (15), first locating part (20) cooperates with first limited block (21) realizes the spacing static of rotating shaft (9); Be fixed with second locating part (201) in the described swing arm (13), be fixed with second limited block (211) on the lay sword (15), second locating part (201) cooperates with second limited block (211) realizes the spacing static of swing arm (13).

7. drop reed mechanism of towel machine according to claim 1 is characterized in that: described rotating shaft (9) is gone up the eccentric cam (10) that a plurality of degree of eccentricitys are identical and eccentric position rotates synchronously is installed.

8. drop reed mechanism of towel machine according to claim 1 is characterized in that: the reed of living during described rotating shaft (9) Rotate 180 ° is opened the reed maximum.