CN205241961U

CN205241961U - Weft insertion mechanism

Info

Publication number: CN205241961U
Application number: CN201521089365.2U
Authority: CN
Inventors: 孟伟光
Original assignee: Zhuji Shuangle Textile Co Ltd
Current assignee: Zhuji Shuangle Textile Co Ltd
Priority date: 2015-12-23
Filing date: 2015-12-23
Publication date: 2016-05-18
Anticipated expiration: 2025-12-23

Abstract

The utility model discloses a weft insertion mechanism, include that wherein the support frame on rapier weaving machine is fixed to one end, rotate on the support frame and be provided with the yarn dish, be provided with the speed limit body who is used for limiting yarn dish rotational speed on the other end of support frame, speed limit body is including setting up the belt on the support frame and setting firmly the limit collar in yarn dish one side, and belt tensioning ground cover is established on the limit collar. This sets up and has changed original tensioning texture, utilizes the frictional force between belt and the limit collar, and dragging suddenly of yarn of restriction and the yarn that causes dish fast turn -round have been avoided because yarn dish that yarn dish fast turn -round caused send the yarn too much and make the yarn winding influence weft insertion mechanism's normal operating.

Description

One Song Wei mechanism

Technical field

The utility model relates to Weaving device technical field, is specifically related to a kind of Song Wei mechanism.

Background technology

In field of textiles, Song Wei mechanism is a kind of for Weaving device being carried out to the device of yarn conveying. Parallel is wrapped on yarn dish conventionally, and the parallel on yarn dish is subject to the effect of pullling of Weaving device, drives yarn dish to rotate, thereby realizes the yarn that send to Weaving device.

Application number is the Chinese patent of CN201320349346.3, a kind of rapier loom Song Jing mechanism is disclosed, comprise the first warp beam, first back rest, the second warp beam and second back rest, described the second warp beam two ends are respectively arranged with friction pulley, described the first warp beam two ends are respectively arranged with friction pulley, it also comprises first dead turn and second dead turn, and described second dead turn is fixedly installed on support; First dead turn one end and second dead turn one end are hinged, and first dead turn other end is threaded by butterfly screw mutually with second dead turn other end, and described friction pulley is nested in the inner ring that first dead turn and second dead turn surround. While using this utility model, improve the convenience of warp let-off tension force control, reduce labour intensity, avoid affecting because of vibration equipment the phenomenon of warp let-off tension force control; Avoid damaging because of single tenslator the normal production that affects two kinds of different warp thread raw material fabrics. Have simple in structurely, arrange rationally, the advantage such as cost of manufacture is low.

The weak point of this patent is, because the rubber ring diameter in Gai Zhong mechanism immobilizes, and can regulate by bolt between upper dead turn and lower dead turn, when upper dead turn and lower dead turn are coated on rubber ring, will certainly cause the somewhere of rubber ring be squeezed and produce fold, affect the fluency that journal axle is rotated.

Utility model content

The deficiency existing for prior art, the purpose of this utility model is to provide a kind of Song Wei mechanism that rotates fluency that can not affect.

For achieving the above object, the utility model provides following technical scheme:

One Song Wei mechanism, comprise that wherein one end is fixed on the bracing frame on rapier loom, on bracing frame, rotate and be provided with yarn dish, on the other end of bracing frame, be provided with the speed limiting mechanism for limiting yarn dish rotating speed, described speed limiting mechanism comprises the belt being arranged on bracing frame and is installed in the limit collar of yarn dish one side, is set on limit collar belt tension.

Of the present utility modelly further be set to: on bracing frame, be provided with fixed block, the two ends of belt are installed in the both sides up and down of fixed block.

Of the present utility modelly further be set to: one end of belt is installed with the bolt through fixed block, is provided with and is stuck on fixed block and for adjusting the nut of belt tightening on bolt.

Of the present utility modelly further be set to: on fixed block, be provided with for belt penetrate and with the groove of belt matched in clearance.

Of the present utility modelly further be set to: on the other end of belt, be fixedly connected with one end of extension spring, the other end of extension spring is installed in the lower end of fixed block.

The utlity model has following advantage: this arranges and has changed original tension structure, utilize the frictional force between belt and limit collar, the yarn dish quick rotation that limits pullling suddenly of yarn and cause, has avoided too much making yarn be wound around the normal operation that affects Song Wei mechanism because the yarn dish that yarn dish quick rotation causes send yarn.

Brief description of the drawings

Fig. 1 is the stereogram of Song Wei mechanism;

Fig. 2 is the enlarged drawing at A place in Fig. 1;

Fig. 3 is the stereogram of Song Wei mechanism;

Fig. 4 is the enlarged drawing at B place in Fig. 3.

Reference numeral: 1, bracing frame; 2, yarn dish; 3, speed limiting mechanism; 31, belt; 32, limit collar; 4, fixed block; 5, bolt; 6, nut; 7, groove; 8, extension spring.

Detailed description of the invention

Referring to figs. 1 through Fig. 4, the utility model is described further.

A kind of Song Wei mechanism as shown in Figure 1, comprise that wherein one end is fixed on the bracing frame 1 on rapier loom, on bracing frame 1, rotate and be provided with yarn dish 2, on the other end of bracing frame 1, be provided with the speed limiting mechanism for limiting yarn dish 2 rotating speeds, described speed limiting mechanism comprises that one end is installed in the belt 31 and the limit collar 32 that is installed in yarn dish 2 one sides on bracing frame 1, is set on limit collar 32 to belt 31 tensionings. This arranges and has changed original tension structure, utilize the frictional force between belt 31 and limit collar 32, yarn dish 2 quick rotation that limit pullling suddenly of yarn 2 and cause, avoid too much yarn 2 being wrapped in Song Wei mechanism because the yarn dish 2 that yarn dish 2 quick rotation cause send yarn, affected the normal operation of Song Wei mechanism. Wherein limit collar 32 is arranged on yarn dish 2 towards bracing frame 1 one sides, and with the concentric setting of yarn dish 2, to prevent that yarn is wrapped in the normal operation that affects Song Wei mechanism in Song Wei mechanism. The two ends of belt 31 are separately fixed at the both sides up and down of bracing frame 1, and the interlude of belt 31 is set on limit collar 32, for increasing the friction area between limit collar 32.

On bracing frame 1, be provided with fixed block 4, the two ends of belt 31 are installed in the both sides up and down of fixed block 4. The setting of this fixed block 4, in order to the two ends of fixing belt 31, can keep the stability of frictional force between belt 31 and limit collar 32.

As shown in Figure 2, one end of belt 31 is installed with the bolt 5 through fixed block 4, is provided with and is stuck on fixed block 4 and for adjusting the nut 6 of belt 31 rates of tension on bolt 5. This setting can utilize coordinating of nut 6 and bolt 5, realizes the adjustment to belt 31 rates of tension, can adapt to multiple Weaving device to sending the demand of yarn rate of tension, expands the scope of application of Liao Gai mechanism. And, when this setting can also conveniently damage in Song Wei mechanism, fast nut 6 is back-outed, and bolt 5 is detached to fixed block 4, realize the quick-detachment to Gai Song latitude mechanism, facilitate the maintenance in later stage, accelerate operating efficiency.

Shown in figure 3 and Fig. 4, on fixed block 4, be provided with for belt 31 penetrate and with the groove 7 of belt 31 matched in clearance. The groove 7 of this setting can make belt 31 penetrate, and belt 31 is limited in groove 7, in the time need to adjusting the rate of tension of this Yarn-feeding mechanism, can avoid driving bolt 5 rotate and cause and cannot adjust rate of tension in the time turning nut 6, has accelerated operating efficiency.

As Fig. 1, on belt 31, be fixedly connected with extension spring 8 with respect to the other end of bolt, extension spring 8 is installed in the lower end of fixed block 4. Wherein the draw direction of extension spring 8 is consistent with the direction of rotation of yarn dish 2, this is arranged so that yarn dish is pullled and when quick rotation, extension spring 8 is stretched, and belt 31 and the contact-making surface of yarn dish are produced to a reverse frictional force, the rotating speed of yarn dish is reduced, realize the restriction to yarn dish rotating speed, further increase the stability of Liao Gaisong latitude mechanism.

The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model. It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a Zhong Song latitude mechanism, comprise that wherein one end is fixed on the bracing frame on rapier loom, on bracing frame, rotate and be provided with yarn dish, it is characterized in that: on the other end of bracing frame, be provided with the speed limiting mechanism for limiting yarn dish rotating speed, described speed limiting mechanism comprises the belt being arranged on bracing frame and is installed in the limit collar of yarn dish one side, is set on limit collar belt tension.

2. a kind of Song Wei according to claim 1 mechanism, is characterized in that: on bracing frame, be provided with fixed block, the two ends of belt are installed in the both sides up and down of fixed block.

3. a kind of Song Wei according to claim 2 mechanism, is characterized in that: one end of belt is installed with the bolt through fixed block, is provided with and is stuck on fixed block and for adjusting the nut of belt tightening on bolt.

4. a kind of Song Wei according to claim 3 mechanism, is characterized in that: on fixed block, be provided with for belt penetrate and with the groove of belt matched in clearance.

5. a kind of Song Wei according to claim 3 mechanism, is characterized in that: on the other end of belt, be fixedly connected with one end of extension spring, the other end of extension spring is installed in the lower end of fixed block.