CN215560955U

CN215560955U - Automatic threading back tensioner

Info

Publication number: CN215560955U
Application number: CN202121000176.9U
Authority: CN
Inventors: 王生军
Original assignee: Zhejiang Panhan Technology Co ltd
Current assignee: Zhejiang Panhan Technology Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-01-18
Anticipated expiration: 2031-05-11

Abstract

The utility model relates to the field of textile equipment, and aims to provide an automatic threading post-tensioner which can automatically thread and has the advantages of simple structure, convenience in operation and the like. The technical scheme is as follows: the utility model provides an automatic tensioner after threading, is including the cover body that is the loudspeaker form, be equipped with first through-hole on the cover body, wear to be equipped with into spool in the first through-hole, the inside end of advancing the spool inserts in the hollow shaft of weft accumulator, still be equipped with the inlet channel of slope on the cover body, inlet channel's inlet end is connected with the subassembly that admits air, air current in the inlet channel flows into in the hollow shaft along the clearance between into spool and the hollow shaft.

Description

Automatic threading back tensioner

Technical Field

The utility model relates to the field of textile equipment, in particular to an automatic threading post-tensioner.

Background

The weft accumulator is a temporary storage device for the unwound weft on a bobbin before being introduced into a shed, and is used for rapier and gripper looms. The yarn winding device is usually composed of a motor, a yarn storage drum, a yarn winding disc, a yarn storage amount detector, a damping ring, a yarn arranging mechanism and the like.

When the existing weft accumulator is used for threading, a tension device is utilized to lead the yarn into the hollow rotating shaft of the weft accumulator, and the existing tension device has the following problems when in use: because the yarn is relatively soft, the yarn is easy to be blocked at the corner of the hollow rotating shaft, and the yarn threading is difficult.

Disclosure of Invention

The utility model aims to provide an automatic threading post-tensioner which can automatically thread and has the advantages of simple structure, convenience in operation and the like.

In order to realize the purpose of the utility model, the technical proposal adopted by the utility model is as follows: the utility model provides an automatic tensioner after threading, is including the cover body that is the loudspeaker form, be equipped with first through-hole on the cover body, wear to be equipped with into spool in the first through-hole, the inside end of advancing the spool inserts in the hollow shaft of weft accumulator, still be equipped with the inlet channel of slope on the cover body, inlet channel's inlet end is connected with the subassembly that admits air, air current in the inlet channel flows into in the hollow shaft along the clearance between into spool and the hollow shaft.

The air inlet assembly comprises an installation groove formed in the cover body, an air inlet valve is inserted into the installation groove, the exhaust end of the air inlet valve is communicated with the air inlet channel, the air inlet end of the air inlet valve is connected with an air inlet pipe, and a pressurizing air pump is arranged on the air inlet pipe.

Preferably, the yarn feeder also comprises a weighting ball for increasing the weight of the yarn, wherein a spherical elastic soft sleeve is sleeved outside the weighting ball, and an opening for taking out or putting in the weighting ball is arranged on the elastic soft sleeve; the weighting ball is formed by splicing two hemispheres, the yarn clamp is arranged between the two hemispheres, and anti-skid lines are arranged on the opposite side walls of the two hemispheres.

Preferably, a second through hole is formed in the side wall of one hemisphere along the radial direction, a T-shaped limiting column is connected to the side wall of the other hemisphere, the T-shaped limiting column is inserted into the second through hole, and a circle of limiting protrusion is arranged on the inner wall of the second through hole.

Preferably, the device also comprises a recovery cylinder for recovering the weighting ball, one end of the recovery cylinder is inserted into the yarn arranging port of the weft accumulator, a plurality of exhaust holes are formed in the outer wall of the recovery cylinder, and the recovery cylinder is connected with a sealing plug.

Preferably, the yarn feeding pipe is made of ceramic materials.

Preferably, the cover body is provided with a pair of mounting holes.

The beneficial effects of the utility model are concentrated and expressed as follows: the tensioner disclosed by the utility model can automatically thread, and has the advantages of simple structure, convenience in operation and the like. Specifically, the air inlet assembly conveys air flow into the air inlet channel, the air flow is blown into the hollow shaft in an inclined mode, negative pressure is formed in the yarn inlet pipe, yarns are sucked into the hollow shaft, and after entering the hollow shaft, the yarns are driven by the air flow to automatically thread; has the advantages of simple structure, convenient operation, strong practicability and the like.

Drawings

FIG. 1 is a front view of the mask body of the present invention;

FIG. 2 is a side view of the housing of the present invention;

FIG. 3 is a cross-sectional view of the housing of the present invention;

FIG. 4 is a schematic view of a weighted ball according to the present invention;

FIG. 5 is a schematic view of the construction of the recovery tank of the present invention;

illustration of the drawings: 0. a yarn; 1. a cover body; 2. a first through hole; 3. feeding a bobbin; 4. a hollow shaft; 5. an air intake passage; 6. mounting grooves; 7. an intake valve; 8. an air inlet pipe; 9. weighting the ball; 10. an elastic soft sleeve; 11. An opening; 12. anti-skid lines; 13. a second through hole; 14. a limiting column; 15. a limiting bulge; 16. a recovery cylinder; 17. an exhaust hole; 18. blocking; 19. and (7) installing holes.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, an automatic thread-threading post tensioner for the yarn-feeding side of a weft accumulator having a hollow shaft 4 with a yarn 0 threaded inside the hollow shaft 4; the tensioner comprises a horn-shaped cover body 1, two mounting holes 19 are formed in the cover body 1, and the cover body 1 penetrates through the mounting holes 19 through bolts and then is fixed on the weft accumulator; a first through hole 2 is formed in the cover body 1, a yarn feeding pipe 3 penetrates through the first through hole 2, and the yarn feeding pipe 3 is preferably made of ceramic materials in the embodiment; the utility model discloses a weft accumulator, including the hollow shaft 4, the hollow shaft 4 is inserted to the inside end of advance spool 3, and the external diameter of advance spool 3 is less than the internal diameter of hollow shaft 4, still be equipped with inclined inlet channel 5 on the cover body 1, inlet channel 5's inlet end is connected with the subassembly that admits air, the air current in the inlet channel 5 flows into hollow shaft 4 along the clearance between advance spool 3 and hollow shaft 4 in, and high velocity air enters into hollow shaft 4 in the back, can produce a negative pressure in advancing spool 3, consequently can inhale yarn 0 in the hollow shaft 4, flows through hollow shaft 4 along with the air current again, discharges from the row's of latitude ware sand mouth again.

Further, the air inlet assembly comprises an installation groove 6 arranged on the cover body 1, an air inlet valve 7 is inserted into the installation groove 6, an exhaust end of the air inlet valve 7 is communicated with the air inlet channel 5, an air inlet end of the air inlet valve 7 is connected with an air inlet pipe 8, and a pressurizing air pump is arranged on the air inlet pipe 8; in the present embodiment, the air intake valve 7 is of a push-type conduction structure, and when the air intake valve 7 is pushed, a high-speed air flow is fed into the hollow shaft 4.

Further, the yarn 0 is relatively soft and thin, and in order to enable the yarn 0 to be smoothly discharged out of the weft accumulator, the weft accumulator further comprises a weighting ball 9 for increasing the weight of the yarn 0, a spherical elastic soft sleeve 10 is sleeved outside the weighting ball 9, in the embodiment, the weighting ball 9 is preferably made of a PVC material, the elastic soft sleeve 10 is preferably made of a silica gel material, and an opening 11 for taking out or putting in the weighting ball 9 is formed in the elastic soft sleeve 10; the weighting ball 9 is formed by splicing two hemispheres, the yarn 0 is clamped between the two hemispheres, and anti-skid grains 12 are arranged on the opposite side walls of the two hemispheres. When in use, the weighting ball 9 is taken out of the elastic soft sleeve 10, the two hemispheres are separated, the yarn 0 is placed between the two hemispheres, the yarn is placed in the soft sleeve after being compressed, the two hemispheres can be compressed under the action of the elastic soft sleeve 10, namely, the weighting ball 9 is connected on the yarn 0; at this moment, the weighting ball 9 is placed into the yarn inlet pipe 3, the pressure on the weighting ball 9 is large, the yarn 0 can smoothly pass through the hollow shaft 4, and the yarn 0 is prevented from being clamped in the pipeline.

Furthermore, a second through hole 13 is radially arranged on the side wall of one hemisphere, a T-shaped limiting column 14 is connected to the side wall of the other hemisphere, the T-shaped limiting column 14 is inserted into the second through hole 13, and a circle of limiting protrusion 15 is arranged on the inner wall of the second through hole 13; under the cooperation of the T-shaped limiting column 14 and the limiting bulge 15, the two hemispheres cannot be completely separated, so that the yarn 0 can be conveniently placed between the two hemispheres, and the weighting ball 9 can be conveniently placed in the elastic soft sleeve 10.

Further, the device also comprises a recovery cylinder 16 for recovering the weighted balls 9, one end of the recovery cylinder 16 is inserted into a yarn arranging port of the weft accumulator, a plurality of exhaust holes 17 are formed in the outer wall of the recovery cylinder 16, a sealing plug 18 is connected to the recovery cylinder 16, the weighted balls 9 are directly brought into the recovery cylinder 16 by airflow, the weighted balls 9 can be directly placed in the recovery cylinder 16, and then the cylinder port is blocked by the sealing plug 18; the whole process realizes automatic threading and has simple structure.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims

1. The utility model provides an automatic tension ware after threading which characterized in that: including the cover body (1) that is the loudspeaker form, be equipped with first through-hole (2) on the cover body (1), wear to be equipped with into spool (3) in first through-hole (2), the inside end of advancing spool (3) inserts in hollow shaft (4) of weft accumulator, still be equipped with inlet channel (5) of slope on the cover body (1), the inlet end of inlet channel (5) is connected with the subassembly that admits air, air current in inlet channel (5) flows into in hollow shaft (4) along the clearance between advancing spool (3) and hollow shaft (4).

2. The automatic thread-threading post-tensioner according to claim 1, characterized in that: the air inlet assembly comprises a mounting groove (6) formed in the cover body (1), an air inlet valve (7) is inserted into the mounting groove (6), the exhaust end of the air inlet valve (7) is communicated with the air inlet channel (5), the air inlet end of the air inlet valve (7) is connected with an air inlet pipe (8), and a pressurizing air pump is arranged on the air inlet pipe (8).

3. The automatic thread-threading post-tensioner according to claim 1, characterized in that: the yarn feeder is characterized by further comprising a weighting ball (9) used for increasing the weight of the yarn (0), wherein a spherical elastic soft sleeve (10) is sleeved outside the weighting ball (9), and an opening (11) for taking out or putting in the weighting ball (9) is formed in the elastic soft sleeve (10); the weighting ball (9) is formed by splicing two hemispheres, the yarn (0) is clamped between the two hemispheres, and anti-skid grains (12) are arranged on the opposite side walls of the two hemispheres.

4. The automatic thread-threading post-tensioner according to claim 3, characterized in that: a second through hole (13) is formed in the side wall of one hemisphere in the radial direction, a T-shaped limiting column (14) is connected to the side wall of the other hemisphere, the T-shaped limiting column (14) is inserted into the second through hole (13), and a circle of limiting protrusion (15) is arranged on the inner wall of the second through hole (13).

5. The automatic thread-threading post-tensioner according to claim 3, characterized in that: still including being used for retrieving the recovery drum (16) of weighting ball (9), the one end of recovery drum (16) is inserted in the weft accumulator row yarn mouth, be equipped with a plurality of exhaust holes (17) on the outer wall of recovery drum (16), be connected with on recovery drum (16) and seal up jam (18).

6. The automatic thread-threading post-tensioner according to claim 1, characterized in that: the yarn feeding pipe (3) is made of ceramic materials.

7. The automatic thread-threading post-tensioner according to claim 1, characterized in that: the cover body (1) is provided with a pair of mounting holes (19).