CN203382893U

CN203382893U - Tail yarn cutting device

Info

Publication number: CN203382893U
Application number: CN201320303355.9U
Authority: CN
Inventors: 阮运松; 朱文平; 陈阿敏; 娄明
Original assignee: SONGBAO MACHINERY CO Ltd TONGLING CITY
Current assignee: Tongling Sobone Intelligent Equipment Co ltd
Priority date: 2013-05-29
Filing date: 2013-05-29
Publication date: 2014-01-08
Anticipated expiration: 2023-05-29

Abstract

The utility model relates to a tail yarn cutting device which is short in stroke and low in speed and which is capable of reducing unstable factors of tube stuck effectively and reducing damages. The tail yarn cutting device comprises a cylinder, a sliding rod and a fixed rod. The sliding rod and the fixed rod are arranged parallelly. The sliding rod can be driven by a cylinder piston rod to perform reciprocating motions along the length direction of the fixed rod. The one-way moving stroke of the sliding rod is S, a plurality of blades A are arranged on the sliding rod at equal intervals L1, a plurality of blades B are arranged on the fixed rod at equal intervals L2, cutting edges of the blades A are arranged on two sides of the blades A, cutting edges of the blades B are arranged on two sides of the blades B, the width of the blades A and that of the blades B are same of L3, L1 = L2 = L3, and L3 <S <2L3; at least parts of the blades A are right fitted with the blades B tightly, when a cylinder drives the sliding rod to move the stroke S, the right fitted parts of the blades A and the blades B are staggered.

Description

Cut the tail yarn feeding device

Technical field

The utility model relates to a kind of doffing of spinning frame equipment, particularly relates to a kind of device that cuts off the tail yarn after full spool is removed.

Background technology

Field of textiles in the automation high development, increasing hand labor is substituted by intelligent machine gradually, in ring throstle spinning work, full spool, after fine spining machine is pulled out, relates to the work that the tail yarn is cut off, and the existing yarn feeding device that cuts is that a slide block with blade is installed on a long cylinder, in special time after full spool is pulled up, back and forth, on it, institute's band blade cuts off the tail yarn to the rapidly mobile longer stroke of air cylinder driven slide block, completes the yarn work of cutting.In this process, Yarn cutter is long distance motion at a high speed, and time coordination requires high, there will be the destabilizing factors such as card pipe while pulling out yarn, causes blade and other damage of components, has potential safety hazard.

The utility model content

The technical problems to be solved in the utility model is to provide a kind of tail yarn feeding device that cuts, and its stroke is short, and speed is little, and can effectively reduce the destabilizing factor such as card pipe, reduces infringement.

The utility model cuts the tail yarn feeding device, comprise cylinder, sliding bar and fixed bar, described sliding bar and fixed bar be arranged in parallel, sliding bar can be reciprocating along the fixed bar length direction under the drive of cylinder piston rod, the one-way movement stroke of described sliding bar is S, described sliding bar equal intervals L1 is provided with a plurality of A blades, described fixed bar equal intervals L2 is provided with a plurality of B blades, the cutting edge of described A blade is positioned at the both sides of A blade, the cutting edge of described B blade is positioned at the both sides of B blade, A blade be L3 identical with the B blade width, L1=L2=L3, L3<S<2L3, original state, together with at least part of described A blade and B blade align and are adjacent to, when cylinder drives sliding bar movement travel S, the described blade of the A to positive part and B blade are staggered.

The utility model cuts the tail yarn feeding device, wherein during original state, described sliding bar aligns and is adjacent to one by one with the B blade from its second A blade near cylinder one end, and together with described sliding bar aligns and is adjacent near second A blade of cylinder one end and first B blade of close cylinder one end of fixed bar, together with sliding bar aligns and is adjacent to away from second B blade of cylinder one end away from first A blade of cylinder one end and fixed bar.

The utility model cuts the tail yarn feeding device, and the cutting edge of wherein said A, B blade all adopts the chamfering form, and the outer surface of each blade and its inner surface are connected to form the chamfering cutting edge with 45 ° of inclined-planes.

The utility model cuts the tail yarn feeding device, and the upper end of wherein said A, B blade also is respectively equipped with cutting edge, and described upper end cutting edge is arcuation and the both sides cutting edge links together.

The utility model cuts the tail yarn feeding device, wherein also comprises support, and described fixed bar is fixed on support, and described support is provided with back-up block, and sliding bar is provided with slide rail, and described slide rail is positioned on back-up block and can slides along it.

The utility model cuts tail yarn feeding device difference from prior art and is to cut the tail yarn feeding device by the utility model that sliding bar is set is parallel with fixed bar, sliding bar can be along the reciprocating motion of fixed bar length direction, the A blade that equidistantly L1 is arranged on sliding bar is arranged on the identical L3 of being of B blade width on fixed bar with equidistant L2, and L1=L2=L3, the one-way movement stroke S of sliding bar is greater than the L3 that L3 is less than 2 times, make at least part of A in original state, the B blade aligns and is adjacent to together, grabbing the pipe device pulls up full spool, in specific position, put down, trailing thread is straightened and is stuck in (also simultaneously between adjacent two B blades) between the adjacent two A blades to positive part, when cylinder drives sliding bar movement travel S, make A blade and the B blade of positive part are staggered, in motion process, each A blade and adjacent next B blade form shearing motion, the trailing thread that will be positioned between adjacent two A blades (B blade) is cut off, then cylinder drives sliding bar and resets to original state, repeat to move next time, it is short that the utility model cuts tail yarn feeding device stroke, speed is little, can effectively reduce the destabilizing factors such as card pipe, reduce infringement.

The utility model cuts in the tail yarn feeding device, during original state, sliding bar is set to be aligned and is adjacent to one by one with the B blade from its second A blade near cylinder one end, and together with sliding bar aligns and is adjacent near second A blade of cylinder one end and first B blade of close cylinder one end of fixed bar, together with sliding bar aligns and is adjacent to away from second B blade of cylinder one end away from first A blade of cylinder one end and fixed bar, while being arranged so that like this outside the trailing thread of both sides is fallen fixed bar end blade, the sliding bar blade still can be cut off it; Upper end at A, B blade also arranges respectively cutting edge, and the upper end cutting edge is arcuation and the both sides cutting edge links together, and when trailing thread is not fallen between adjacent knife blades, also can be cut off by the cutting edge of upper end like this.

Below in conjunction with accompanying drawing, the tail yarn feeding device that cuts of the present utility model is described further.

The accompanying drawing explanation

Fig. 1 is the structural representation that the utility model cuts tail yarn feeding device original state, and what wherein be positioned at view the place ahead is sliding bar;

Fig. 2 is that the utility model cuts the move structural representation of certain stroke of tail yarn feeding device sliding bar, and what wherein be positioned at view the place ahead is fixed bar.

The specific embodiment

Shown in Fig. 1,2, present embodiment is cut the tail yarn feeding device and is comprised cylinder 1, sliding bar 2, fixed bar 3 and support 6, sliding bar 2 be arranged in parallel with fixed bar 3, fixed bar 3 is fixed on support 6, support 6 is provided with back-up block 7, and sliding bar 2 is provided with slide rail 8, and slide rail 8 is positioned on back-up block 7, sliding bar 2 can be reciprocating along fixed bar 3 length directions under the drive of cylinder piston rod, and the one-way movement stroke of sliding bar 2 is S.

As shown in Figure 2, sliding bar 2 equal intervals L1 are provided with a plurality of A blades 4, fixed bar 3 equal intervals L2 are provided with a plurality of B blades 5, the cutting edge of A blade is positioned at the both sides of A blade, and the cutting edge of B blade is positioned at the both sides of B blade, and the cutting edge of A, B blade all adopts the chamfering form, the outer surface of each blade and its inner surface are connected to form the chamfering cutting edge with 45 ° of inclined-planes, A blade 4 be L3 identical with B blade 5 width, L1=L2=L3, L3<S<2L3.

Original state, as shown in Figure 1, sliding bar aligns and is adjacent to one by one with the B blade from its second A blade near cylinder one end, and together with sliding bar aligns and is adjacent near second A blade of cylinder one end and first B blade of close cylinder one end of fixed bar, together with sliding bar aligns and is adjacent to away from second B blade of cylinder one end away from first A blade of cylinder one end and fixed bar, when cylinder drives sliding bar movement travel S, A blade 4 and the B blade 5 of positive part is staggered.

Further, the upper end of A, B blade also is respectively equipped with cutting edge, and the upper end cutting edge is arcuation and the both sides cutting edge links together.

Present embodiment to cut tail yarn process be such:

Grabbing the pipe device pulls up full spool, in specific position, put down, trailing thread is straightened and is stuck between the adjacent two A blades to positive part, start cylinder and drive the sliding bar motion, in motion process, each A blade and adjacent next B blade form shearing motion, and the trailing thread between adjacent two A blades is cut off, and finish to stroke S, cylinder drives sliding bar and resets to original state, waits for and repeats to move next time.

Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.

For example, the mode that aligns of A blade and B blade original state must not stagger at the first two ends, also can all align and be adjacent to, also can there is other the mode that staggers, as long as, together with guaranteeing that at least part of A blade and B blade align and be adjacent to, just can realize falling into the purpose that trailing thread is wherein cut off.

Claims

1. one kind is cut the tail yarn feeding device, it is characterized in that: comprise cylinder (1), sliding bar (2) and fixed bar (3), described sliding bar (2) be arranged in parallel with fixed bar (3), sliding bar (2) can be reciprocating along fixed bar (3) length direction under the drive of cylinder piston rod, the one-way movement stroke of described sliding bar (2) is S, described sliding bar (2) equal intervals L1 is provided with a plurality of A blades (4), described fixed bar (3) equal intervals L2 is provided with a plurality of B blades (5), the cutting edge of described A blade is positioned at the both sides of A blade, the cutting edge of described B blade is positioned at the both sides of B blade, A blade (4) and the identical L3 that is of B blade (5) width, L1=L2=L3, L3<S<2L3, original state, together with at least part of described A blade (4) and B blade (5) align and are adjacent to, when cylinder drives sliding bar movement travel S, the described blade of the A to positive part (4) is staggered with B blade (5).

2. the tail yarn feeding device that cuts according to claim 1, it is characterized in that: during original state, described sliding bar aligns and is adjacent to one by one with the B blade from its second A blade near cylinder one end, and together with described sliding bar aligns and is adjacent near second A blade of cylinder one end and first B blade of close cylinder one end of fixed bar, together with sliding bar aligns and is adjacent to away from second B blade of cylinder one end away from first A blade of cylinder one end and fixed bar.

3. the tail yarn feeding device that cuts according to claim 1 and 2, it is characterized in that: the cutting edge of described A, B blade all adopts the chamfering form, and the outer surface of each blade and its inner surface are connected to form the chamfering cutting edge with 45 ° of inclined-planes.

4. the tail yarn feeding device that cuts according to claim 3, it is characterized in that: the upper end of described A, B blade also is respectively equipped with cutting edge, and described upper end cutting edge is arcuation and the both sides cutting edge links together.

5. the tail yarn feeding device that cuts according to claim 3, it is characterized in that: also comprise support (6), described fixed bar (3) is fixed on support (6), described support (6) is provided with back-up block (7), sliding bar (2) is provided with slide rail (8), and described slide rail (8) is positioned at back-up block (7) above and can slides along it.