CN2095207U

CN2095207U - Dynamic varictor for density of weft

Info

Publication number: CN2095207U
Application number: CN91218479.5U
Authority: CN
Inventors: 顾国宝
Original assignee: ZHEJIANG SILK ENGINEERING INST
Current assignee: ZHEJIANG SILK ENGINEERING INST
Filing date: 1991-07-16
Publication date: 1992-02-05

Abstract

The utility model belongs to a device to control the density of weft of the fabrics, overcoming the problem that the existing loom can not timely change the density of weft of the fabrics when weaving fabrics, consequently two or multiple kinds of density of weft thread are arranged on the same fabrics, and the kinds of fabrics are enriched. The utility model comprises a case body. The utility model is characterized in that two controllers are arranged on the case body, symmetrical eccentric shafts and an output shaft are arranged in the case body, two transmission mechanisms are cooperated between the symmetrical eccentric shafts, and the transmission mechanisms are cooperated with the two controllers. The utility model has the advantages of simple structure and convenient operation and can be matched with traditional looms.

Description

Dynamic varictor for density of weft

The utility model belongs to a kind of corollary apparatus of Weaving device, especially relates to a kind of device of controlling pick count.

In the prior art, loom is in the process of Woven fabric, spooler in the loom is used for controlling the fabric weft density, because the velocity of rotation of spooler is constant, this just make loom the filling density of woven fabric also be constant, consider from the design angle of fabric, often need on same fabric, have two or more different weft densities, with style and the characteristic that demonstrates fully Fabric Design, because the spooler of existing loom can not in time change the weft density of fabric in the loom course of work, this just makes the kind development of fabric be subjected to certain restriction.

The purpose of this utility model is to provide a kind of dynamic Weft Density converter, it can control the speed that loom batches fabric, can in time change weft density when making the loom Woven fabric, thereby enrich the kind of fabric, create new condition for the design of clothes and development simultaneously.

The purpose of this utility model is achieved in that it comprises casing 12,

controller

9,23 is housed on the casing 12, it is characterized in that being equipped with in the casing 12 symmetrical eccentric shaft 5 and output shaft 11, between symmetrical eccentric shaft 5 and output shaft 11, be combined with

transmission mechanism

16,20, and

transmission mechanism

16,20 matches with

controller

9,23 respectively.

Transmission mechanism 16 is by connecting rod 6, connecting rod 13, rocking bar 8, rocking bar 14, ratchet 15 and ratchet 25 are formed, wherein: an end of connecting rod 6 is lived mutually with the bent axle 7 on the symmetrical eccentric shaft 5 and is joined, the other end and connecting rod 13 join, be connected with rocking bar 8 on the connecting rod 13, rocking bar 8 is connected with eccentric shaft 10 on the controller 9, connecting rod 13 also joins with rocking bar 14, rocking bar 14 is contained on the output shaft 11, and join with output shaft 11 is alive mutually, ratchet 25 is housed on the rocking bar 14, ratchet 25 matches with ratchet 15, ratchet 25 can promote ratchet 15 and rotate, because ratchet 15 is fixedly connected on the output shaft 11, when ratchet 15 rotates, the also corresponding rotation of output shaft 11.

Transmission mechanism 20 is by connecting rod 3, connecting rod 17, rocking bar 2, sector gear 1, gear 21, rocking bar 19, ratchet 24 and ratchet 18 are formed, wherein: an end of connecting rod 3 is lived mutually with the bent axle 4 on the symmetrical eccentric shaft 5 and is joined, the other end and connecting rod 17 join, be connected to rocking bar 2 on the connecting rod 17, rocking bar 2 links to each other with sector gear 1, the front end of connecting rod 17 is connected with rocking bar 19, sector gear 1 matches with gear 21, gear 21 is installed on the axle 22 of controller 23, rocking bar 19 is lived mutually with output shaft 11 and is joined, ratchet 24 is housed on the rocking bar 19, ratchet 24 matches with ratchet 18, and ratchet 18 is fixedly connected on the output shaft 11.

Dynamic Weft Density converter provided by the utility model, have simple in structure, compact, ， And easy to use can with the supporting use of traditional loom, thereby make the woven fabric of loom have filling density by the characteristics that rule changes, make fabric have unique style.

Specifically describe as follows to the utility model in conjunction with the accompanying drawings and embodiments:

Fig. 1 is a structure principle chart of the present utility model.

Fig. 2 is one of local figure of transmission mechanism.

Fig. 3 is two of the local figure of transmission mechanism.

Fig. 4 is ratchet and ratchet matching chart.

With reference to accompanying drawing:

controller

9,23 is installed on casing 12, symmetrical eccentric shaft 5 and output shaft 11 are housed in the casing 12, between symmetrical eccentric shaft 5 and output shaft 11, be combined with transmission mechanism 16,20.Transmission mechanism 16 is made up of connecting rod 6, connecting rod 13, rocking bar 8, rocking bar 14, ratchet 15 and ratchet 25, wherein: an end of connecting rod 6 is lived mutually with the bent axle 7 on the symmetrical eccentric shaft 5 and is joined, its other end and connecting rod 13 join, be connected with rocking bar 8 on the connecting rod 13, rocking bar 8 is connected with eccentric shaft 10 on the controller 9, connecting rod 13 also joins with rocking bar 14, rocking bar 14 is contained on the output shaft 11 And and rocking bar 14 and lives mutually with output shaft 11 and join, ratchet 25 is housed on the rocking bar 14, ratchet 25 matches with ratchet 15, and ratchet 15 is fixedly connected on the output shaft 11; Transmission mechanism 20 is by connecting rod 3, connecting rod 17, rocking bar 2, sector gear 1, gear 21, rocking bar 19, ratchet 24 and ratchet 18 are formed, wherein: an end of connecting rod 3 is lived mutually with the bent axle 4 on the symmetrical eccentric shaft 5 and is joined, its other end is connected with connecting rod 17, be connected to rocking bar 2 on the connecting rod 17, rocking bar 2 links to each other with sector gear 1, the front end of connecting rod 17 is connected with rocking bar 19, sector gear 1 matches with gear 21, gear 21 is installed on the axle 22 of controller 23, rocking bar 19 is lived mutually with output shaft 11 and is joined, ratchet 24 is housed on the rocking bar 19, the ratchet 24 ， And that matches with ratchet 18 can promote ratchet 18 and rotates, and ratchet 18 is fixedly connected on the output shaft 11, when ratchet 18 rotates, the also corresponding rotation of output shaft 11.

The utility model in use, its symmetrical eccentric shaft 5 drives running by loom main shaft, its output shaft 11 matches with the winding off spindle of loom, because the bent axle 4 on the symmetrical eccentric shaft 5 is 180 ° with the phase difference of bent axle 7, thereby be connected in the transmission mechanism 20 of bent axle 4 and the phase difference that is connected between the transmission mechanism 16 of bent axle 7 also is 180 °, when transmission mechanism 16 promotes output shaft 11 rotations, transmission mechanism 20 is in the return state, vice versa, the speed that transmission mechanism 16 promotion output shafts 11 rotate is that the eccentric shaft 10 on the controlled device 9 is controlled, when eccentric shaft 10 turns an angle, then the state of the rocking bar 8 that links to each other with eccentric shaft 10 is also corresponding changes to some extent, this just makes the state of the connecting rod 13 that is connected in rocking bar 8, and the pendulum angle that is connected in the rocking bar 14 of connecting rod 13 obtains changing, after the pendulum angle of rocking bar 14 changes, also respective change of the displacement of ratchet 25 on the rocking bar 14 reaches the purpose that output shaft 11 rotating speeds change thereby the speed that makes ratchet 25 promote ratchets 15 obtains changing ， And; And transmission mechanism 20 to promote speed that output shafts 11 rotate be axle 22 controls on the controlled device 23, when axle 22 turns an angle, the also corresponding rotation of gear 21, gear 21 can drive sector gear 1 and rotate, the state And that sector gear 1 can change rocking bar 2 makes the connecting rod 17 that is connected in rocking bar 2, and the state of the rocking bar 19 that links to each other with connecting rod 17 all obtains corresponding change, then the also corresponding change of the displacement of ratchet 24 And makes that the rotating speed of ratchet 18 obtains changing on the rocking bar 19, thereby the rotating speed that makes output shaft 11 can obtain adjusting ， And on request and realize that loom dynamically changes the purpose of filling density.

Claims

1, a kind of dynamic Weft Density converter, controller (9), (23) are housed on casing (12), it is characterized in that being equipped with in the casing (12) symmetrical eccentric shaft (5) and output shaft (11), between symmetrical eccentric shaft (5) and output shaft (11), be combined with transmission mechanism (16), (20), and transmission mechanism (16), (20) match with controller (9), (23) respectively.

2, dynamic Weft Density converter according to claim 1, it is characterized in that described transmission mechanism (16) is by connecting rod (6), connecting rod (13), rocking bar (8), rocking bar (14), ratchet (25) and ratchet (15) are formed, wherein: an end of connecting rod (6) is lived mutually with the bent axle (7) on the symmetrical eccentric shaft (5) and is joined, its other end links to each other with connecting rod 13, be connected with rocking bar (8) on the connecting rod (13), rocking bar (8) is connected with eccentric shaft (10) on the controller (9), connecting rod (13) also joins with rocking bar (14), rocking bar (14) is contained on the output shaft (11), and join with output shaft (11) is alive mutually, ratchet (25) is housed on the rocking bar (14), ratchet (25) matches with ratchet (15), and ratchet (15) is fixedly connected on the output shaft (11).

3, dynamic Weft Density converter according to claim 1, it is characterized in that described transmission mechanism (20) is by connecting rod (3), connecting rod (17), rocking bar (2), sector gear (1), gear (21), rocking bar (19), ratchet (24) and ratchet (18) are formed, wherein: an end of connecting rod (3) is lived mutually with the bent axle (4) on the symmetrical eccentric shaft (5) and is joined, its other end and connecting rod (17) join, be connected to rocking bar (2) on the connecting rod (17), rocking bar (2) links to each other with sector gear (1), connecting rod (17) also is connected with rocking bar (19), sector gear (1) matches with gear (21), gear (21) is installed on the axle (22) of controller (23), rocking bar (19) is lived mutually with output shaft (11) and is joined, ratchet (24) is housed on the rocking bar (19), ratchet (24) matches with ratchet (18), and ratchet (18) is fixedly connected on the output shaft (11).