阅读说明：本技术 一种电磁引纬通道闭合装置 (Electromagnetic weft insertion channel closing device ) 是由 殷俊清 李楠 高玉龙 于 2020-12-21 设计创作，主要内容包括：本发明公开了一种电磁引纬通道闭合装置,主要结构由引纬片组件和引纬片插槽组件两个主要部分组成。所述引纬片组件上端安装有铁管,铁管上设置线圈并在两端粘贴塑胶圈,引纬片插槽内固定安装开口朝上的U型铁芯,U形铁芯上设置有线圈,通过改变铁管与U形铁芯两端的磁性,从而实现引纬通道的快速闭合与复位。本发明提供的一种电磁引纬通道闭合装置在满足织造宽幅织物的基础上,能够让引纬片的快速闭合与复位,从而形成半封闭式气流通道,减少了引纬过程中的耗气量。(The invention discloses an electromagnetic weft insertion channel closing device, which mainly comprises two main parts, namely a weft insertion sheet assembly and a weft insertion sheet slot assembly. An iron pipe is installed at the upper end of the weft insertion piece assembly, a coil is arranged on the iron pipe, plastic rings are adhered to two ends of the iron pipe, a U-shaped iron core with an upward opening is fixedly installed in a weft insertion piece inserting groove, the coil is arranged on the U-shaped iron core, and the magnetism of the two ends of the iron pipe and the two ends of the U-shaped iron core is changed, so that the weft insertion channel is quickly closed and reset. The electromagnetic weft insertion channel closing device provided by the invention can quickly close and reset the weft insertion sheet on the basis of meeting the requirement of weaving a wide fabric, so that a semi-closed airflow channel is formed, and the air consumption in the weft insertion process is reduced.)

1. An electromagnetic weft insertion channel closing device, characterized by comprising a weft insertion sheet assembly (1) and a weft insertion sheet slot assembly (2), wherein the weft insertion sheet assembly (1) comprises a weft insertion sheet (101), an existing yarn removing groove (102) is arranged on the hole wall position right above the center of the circular vent hole shaft at the upper end of the weft guiding sheet (101), a circular iron pipe (103) is fixedly inserted along the inner wall of the circular vent hole of the weft guiding sheet (101), a reserved groove (104) with the same size as the yarn removing groove (102) is arranged on the pipe wall position where the iron pipe (103) is attached to the yarn removing groove (102), an auxiliary spray hole (105) corresponding to the auxiliary spray hole on the weft insertion sheet (101) is arranged on the iron pipe (103), a coil (106) is arranged on the iron pipe (103), changing the magnetism of two ends of the iron pipe (103) by controlling the current direction in the coil (106);

the weft insertion sheet slot component (2) comprises a weft insertion sheet slot (201), a U-shaped iron core (202) with an upward opening is fixedly installed in the weft insertion sheet slot (201), a weft insertion sheet installation through hole (203) is formed in the position of a long shaft center line on a U-shaped bottom wall penetrating through the weft insertion sheet slot (201) and the U-shaped iron core (202), air guide pipe installation through holes (204) are formed in symmetrical positions along two sides of the long shaft center line on the U-shaped bottom wall of the U-shaped iron core (202), a weft inlet (205) and a weft outlet (206) are respectively arranged at the two side walls of the U-shaped iron core (202) and the groove wall positions of the weft insertion sheet slots (201) corresponding to the side walls, a coil (207) is arranged on the U-shaped iron core (202), and the magnetism of two side wall ends of the U-shaped iron core (202) is changed by changing the current direction in the coil (207).

2. An electromagnetic weft insertion channel closing device according to claim 1, characterized in that the side walls of both ends of said iron tube (103) are glued with plastic rings (3) in order to increase the closing effect when closing the weft insertion channel.

Technical Field

The invention belongs to the field of novel weaving equipment for weaving fabrics, and particularly relates to an electromagnetic weft insertion channel closing device.

Background

At present, in the air-jet weaving technology at home and abroad, a weft insertion mode combining a main nozzle, an auxiliary nozzle and a special-shaped reed is commonly adopted. The airflow is jetted from the main nozzle, the speed of the airflow rises sharply, then the auxiliary nozzles arranged in a certain arrangement sequence are opened in sequence, and the auxiliary airflow in a certain direction and speed is jetted out to form a stable high-speed airflow field with the airflow of the main nozzle. And drawing the weft to shuttle in the profiled reed through high-speed airflow to finish the weft insertion process. However, the airflow channel of the irregular reed type air jet loom is a U-shaped semi-closed channel, so that airflow leakage is caused, and energy consumption is serious.

Disclosure of Invention

In order to solve the problems of airflow leakage and serious energy consumption of the conventional special reed type air jet loom, the invention provides an electromagnetic weft insertion channel closing device which can quickly close and reset a weft insertion sheet channel so as to form a semi-closed airflow channel and reduce the air consumption in the weft insertion process.

The invention provides the following technical scheme:

an electromagnetic weft insertion channel closing device comprises a weft insertion piece assembly and a weft insertion piece slot assembly, wherein the weft insertion piece assembly comprises a weft insertion piece, a yarn doffing slot is formed in a hole wall position right above a circular vent hole shaft center at the upper end of the weft insertion piece, a circular iron pipe is fixedly inserted and inserted along the inner wall of a circular vent hole of the weft insertion piece, a reserved slot is formed in a pipe wall position where the iron pipe is attached to the yarn doffing slot, an auxiliary spray hole corresponding to the auxiliary spray hole in the weft insertion piece is formed in the iron pipe, a coil is installed on the iron pipe, and the magnetism of two ends of the iron pipe is changed by controlling the current direction in the coil;

the weft insertion piece slot assembly comprises a weft insertion piece slot, a U-shaped iron core with an upward opening is fixedly installed in the weft insertion piece slot, a weft insertion piece installation through hole is formed in the position of a long shaft center line on a U-shaped bottom wall penetrating through the weft insertion piece slot and the U-shaped iron core, air guide pipe installation through holes are formed in the positions, symmetric to two sides, of the long shaft center line on the U-shaped bottom wall of the U-shaped iron core, a weft inlet and a weft outlet are formed in the positions, corresponding to the two side walls of the U-shaped iron core and the positions, corresponding to the side walls, of the groove wall of the weft insertion piece slot respectively, a coil is installed on the U-shaped iron core, and the magnetism of two side wall ends of the U-shaped iron core is changed.

Furthermore, plastic rings are adhered to the side walls at the two ends of the iron pipe, so that the sealing effect when the weft insertion channel is closed is improved. And

compared with the prior art, the invention has the following beneficial effects: the electromagnetic weft insertion channel closing device provided by the invention can enable the weft insertion sheet channel to be quickly closed and reset on the basis of meeting the requirement of weaving a wide fabric, so that a semi-closed airflow channel is formed, and the air consumption in the weft insertion process is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the device of the present invention.

FIG. 2 is a schematic view of a weft insert assembly of the apparatus of the present invention.

FIG. 3 is a schematic view of an iron pipe of the apparatus of the present invention.

Fig. 4 is a schematic view of a U-shaped core of the apparatus of the present invention.

FIG. 5 is a schematic view of a weft insertion slot of the device of the present invention.

In the drawing, 1, a weft insertion sheet assembly, 101, a weft insertion sheet, 102, a doffing groove, 103, an iron pipe, 104, a reserved groove, 105, an auxiliary spray hole, 106, a coil, 2, a weft insertion sheet slot assembly, 201, a weft insertion sheet slot, 202, a U-shaped iron core, 203, a weft insertion sheet installation through hole, 204, an air duct installation through hole, 205, a weft inlet, 206, a weft outlet, 207, a coil, 3 and a plastic ring.

Detailed Description

The technical solution of the present invention is clearly and completely described below with reference to specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An electromagnetic weft insertion channel closing device comprises a weft insertion sheet assembly 1 and a weft insertion sheet slot assembly 2, wherein the weft insertion sheet assembly 1 comprises a weft insertion sheet 101, an existing doffing slot 102 is formed in a hole wall position right above a circular vent hole shaft center at the upper end of the weft insertion sheet 101, a circular iron pipe 103 is fixedly inserted and inserted along the inner wall of a circular vent hole of the weft insertion sheet 101, a reserved slot 104 with the size equal to that of the doffing slot 102 is formed in a pipe wall position where the iron pipe 103 is attached to the doffing slot 102, an auxiliary spray hole 105 corresponding to the auxiliary spray hole in the weft insertion sheet 101 is formed in the iron pipe 103, a coil 106 is mounted on the iron pipe 103, and the magnetism of two ends of the iron pipe 103 is changed by controlling the current direction in the coil 106;

the wefting piece slot component 2 comprises a wefting piece slot 201, a U-shaped iron core 202 with an upward opening is fixedly installed in the wefting piece slot 201, a wefting piece installing through hole 203 is formed in the position of the center line of the long axis on the U-shaped bottom wall penetrating through the wefting piece slot 201 and the U-shaped iron core 202, air duct installing through holes 204 are formed in the positions symmetrical to the two sides of the center line of the long axis on the U-shaped bottom wall of the U-shaped iron core 202, a weft inlet 205 and a weft outlet 206 are respectively formed in the positions of the two side walls of the U-shaped iron core 202 and the positions of the groove walls of the wefting piece slot 201 corresponding to the side walls, a coil 207 is installed on the U-shaped iron core 202, and the magnetism of the two side wall ends of the U-shaped iron core. The side walls of the two ends of the iron pipe 103 are pasted with plastic rings 3 so as to increase the sealing effect when the weft insertion channel is closed.

The magnetism of the two ends of the iron pipe 103 is changed by controlling the current direction of the coil 106 on the iron pipe 103, and the magnetism of the two ends of the U-shaped iron core 202 is changed by changing the current direction of the coil 207 on the U-shaped iron core 202.

1. When the number of the iron pipes 103 is odd, and the magnetism at the two ends of the iron pipes is N-S, N-S, N-S … … N-S or S-N, S-N, S-N … … S-N in sequence, the magnetism at the two ends of the U-shaped iron core 202 is N-N and S-S corresponding to the magnetism by controlling the current direction, and the resultant force of the electromagnetic force between the iron pipes and the iron core enables the weft insertion pieces to be closed quickly. When the magnetism at the two ends of the iron pipe is N-S, S-N, N-S … … N-S or S-N, N-S, S-N … … S-N in sequence, the magnetism corresponding to the two ends of the U-shaped iron core 202 is S-S and N-N, and at the moment, the weft insertion piece assemblies are reset rapidly.

2. When the number of the iron tubes 103 is even and the magnetism at the two ends of the iron tubes is N-S, N-S, N-S, … … N-S or S-N, S-N, S-N … … S-N in sequence, the two ends of the U-shaped iron core 202 enable the corresponding magnetism to be N-N and S-S by controlling the current direction, and at the moment, the weft insertion sheet assemblies are rapidly closed. When the magnetism at the two ends of the iron pipe is N-S, S-N, N-S … … S-N or S-N, N-S, S-N … … N-S in sequence, the U-shaped iron core is powered off, and the weft insertion piece assemblies are reset rapidly.