阅读说明：本技术 喷气织机异形筘筘槽检测装置及其使用方法 (Air jet loom special-shaped reed groove detection device and using method thereof ) 是由 何承玉 刘健 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种喷气织机异形筘筘槽检测装置,其包括喷气织机钢筘,钢筘上设置有左凸块、右凸块,在垂直方向,左凸块高于右凸块,左凸块与右凸块之间形成筘槽；其特征在于：还包括尼龙材质的底座,底座的下部铣挖有凹槽,凹槽包括左定位点、右定位点,在垂直方向,左定位点高于右定位点；还包括千分表,千分表包括固定杆,固定杆下方设置有测杆,测杆的底端设置有测头；底座的上端部设置有盲孔,盲孔的下端设置有通孔；固定杆与盲孔过盈配合；测杆与通孔间隙配合；测杆的自由端延伸至底座以外。本发明可快速准确检测出筘槽内部瑕疵,从而减少生产故障发生。(The invention discloses a reed groove detection device for a profiled reed of an air jet loom, which comprises a reed of the air jet loom, wherein a left bump and a right bump are arranged on the reed, the left bump is higher than the right bump in the vertical direction, and a reed groove is formed between the left bump and the right bump; the method is characterized in that: the positioning device is characterized by also comprising a base made of nylon materials, wherein a groove is milled and dug in the lower part of the base and comprises a left positioning point and a right positioning point, and the left positioning point is higher than the right positioning point in the vertical direction; the dial indicator comprises a fixed rod, a measuring rod is arranged below the fixed rod, and a measuring head is arranged at the bottom end of the measuring rod; the upper end part of the base is provided with a blind hole, and the lower end of the blind hole is provided with a through hole; the fixed rod is in interference fit with the blind hole; the measuring rod is in clearance fit with the through hole; the free end of the measuring rod extends beyond the base. The invention can quickly and accurately detect the flaws in the reed groove, thereby reducing the occurrence of production faults.)

1. A reed groove detection device of a profiled reed of an air jet loom comprises a reed (1) of the air jet loom, wherein a left bump (10) and a right bump (11) are arranged on the reed (1), the left bump (10) is higher than the right bump (11) in the vertical direction, and a reed groove (12) is formed between the left bump (10) and the right bump (11); the method is characterized in that: the positioning device is characterized by further comprising a base (2) made of nylon materials, wherein a groove is milled and dug in the lower portion of the base (2), the groove comprises a left positioning point (20) and a right positioning point (21), and the left positioning point (20) is higher than the right positioning point (21) in the vertical direction; the dial indicator (3) comprises a fixing rod (30), a measuring rod (31) is arranged below the fixing rod (30), and a measuring head (32) is arranged at the bottom end of the measuring rod (31); a blind hole (22) is formed in the upper end of the base (2), and a through hole (23) is formed in the lower end of the blind hole (22); the fixing rod (30) is in interference fit with the blind hole (22); the measuring rod (31) is in clearance fit with the through hole (23); the free end of the measuring rod (31) extends out of the base (2).

2. The method of using the air jet loom profile reed groove detection device of claim 1, comprising the steps of:

A. inserting the fixing rod (30) into the blind hole (22), adjusting the insertion depth of the fixing rod (30) in the vertical direction, and adjusting the working depth of the steel measuring head (32) to be adaptive to the reed groove (12) of the steel reed (1) to be measured;

B. the base (2) is placed on a reed (1) of the air jet loom, a left positioning point (20) is matched with a left bump (10), a right positioning point (21) is matched with a right bump (11), and the lower end plane part of the base (2) is in surface contact with the upper end plane part of the reed (1); at the moment, a measuring head (32) of the dial indicator is inserted into a reed groove (12) of the reed;

C. the base (2) is pushed along the width direction of the reed (1), so that the base (2) and the dial indicator (3) are translated relative to the reed (1); and (3) observing the reading of the dial indicator (3) in the moving process, and if the reading exceeds a specified threshold value, judging that the reed groove (12) of the steel reed (1) is unqualified.

Technical Field

The invention relates to a detection tool for working conditions of an air jet loom, in particular to a reed groove detection device of the air jet loom.

Background

The reed is an important part of the air jet loom, and due to the reasons of product quality problems, use problems and the like, burrs, abrasion, deformation and the like are easy to occur in a reed groove of the reed. The reed groove is a main part of weft insertion movement of the loom, and if the reed groove is damaged, the following defects are caused: the machine cannot be normally driven, and the effective working time of a workshop is influenced; continuous defects such as weft shrinkage, small weft and the like which cannot be repaired can be generated; the labor productivity is reduced, and the enterprise benefit is directly influenced.

Disclosure of Invention

The invention aims to solve the technical problem of providing a detection device for a profiled reed groove of an air jet loom, which can detect the reed groove and quickly and accurately detect flaws inside the reed groove, thereby reducing production faults.

In order to solve the technical problem, the detection device for the reed groove of the profiled reed of the air jet loom comprises a steel reed of the air jet loom, wherein a left convex block and a right convex block are arranged on the steel reed, the left convex block is higher than the right convex block in the vertical direction, and a reed groove is formed between the left convex block and the right convex block; the method is characterized in that: the positioning device is characterized by further comprising a base made of nylon, wherein a groove is milled and dug in the lower portion of the base and comprises a left positioning point and a right positioning point, and the left positioning point is higher than the right positioning point in the vertical direction; the dial indicator comprises a fixed rod, a measuring rod is arranged below the fixed rod, and a measuring head is arranged at the bottom end of the measuring rod; the upper end part of the base is provided with a blind hole, and the lower end of the blind hole is provided with a through hole; the fixing rod is in interference fit with the blind hole; the measuring rod is in clearance fit with the through hole; the free end of the measuring rod extends out of the base.

The using method of the special-shaped reed groove detection device of the air jet loom comprises the following steps:

A. inserting the fixing rod into the blind hole, adjusting the insertion depth of the fixing rod in the vertical direction, and adjusting the working depth of the steel measuring head to be adaptive to the reed groove of the tested reed;

B. placing the base on a reed of the air jet loom, matching the left positioning point with the left bump, matching the right positioning point with the right bump, and making the lower end plane part of the base in surface contact with the upper end plane part of the reed; so that the base can translate relative to the reed but not tilt or rotate; at the moment, a measuring head of the dial indicator is inserted into a reed groove of the reed;

C. pushing the base along the width direction of the reed to enable the base and the dial indicator to move horizontally relative to the reed; and observing the reading of the dial indicator in the moving process, and if the reading exceeds a specified threshold value, judging that the reed groove of the reed is unqualified.

The advantages of the invention are embodied in that: the dial indicator is used as a detection tool, flaws inside the reed groove can be detected quickly, the detection speed is high, and the detection precision is high. The device has small size, convenient operation and simple disassembly and assembly. The reed which is installed on the weaving machine does not need to be disassembled, and the device can be used for online detection.

Drawings

FIG. 1 is a schematic view showing a combination state of a profiled reed groove detecting device of an air jet loom according to the present invention;

fig. 2 is a schematic view showing an exploded state of the air jet loom profile reed groove detecting device of the present invention.

Detailed Description

As shown in fig. 1 and 2, the detection device for the profiled reed groove of the air jet loom of the invention comprises a reed 1 of the air jet loom, wherein a left bump 10 and a right bump 11 are arranged on the reed 1, the left bump 10 is higher than the right bump 11 in the vertical direction, and a reed groove 12 is formed between the left bump 10 and the right bump 11; the method is characterized in that: the positioning device is characterized by further comprising a base 2 made of nylon, wherein a groove is milled and dug in the lower portion of the base 2, the groove comprises a left positioning point 20 and a right positioning point 21, and the left positioning point 20 is higher than the right positioning point 21 in the vertical direction; the dial indicator 3 comprises a fixing rod 30, a measuring rod 31 is arranged below the fixing rod 30, and a measuring head 32 is arranged at the bottom end of the measuring rod 31; the upper end part of the base 2 is provided with a blind hole 22, and the lower end of the blind hole 22 is provided with a through hole 23; the fixing rod 30 is in interference fit with the blind hole 22; the measuring rod 31 is in clearance fit with the through hole 23; the free end of the measuring rod 31 extends out of the base 2.

The using method of the special-shaped reed groove detection device of the air jet loom comprises the following steps:

A. the fixing rod 30 is inserted into the blind hole 22, the insertion depth of the fixing rod 30 is adjusted in the vertical direction, and the working depth of the steel measuring head 32 is adjusted to be matched with the reed groove 12 of the reed 1 to be measured.

In the invention, the dial indicator 3 can rotate relative to the base 2 in the axial direction, so that the dial can rotate under a complex online working condition, and a detection person can observe readings conveniently.

B. Placing a base 2 on a reed 1 of an air jet loom, wherein a left positioning point 20 is matched with a left bump 10, a right positioning point 21 is matched with a right bump 11, and the lower end plane part of the base 2 is in surface contact with the upper end plane part of the reed 1; so that the base 2 can move horizontally but not pitch or rotate relative to the reed 1; at this time, the gauge head 32 of the dial gauge is inserted into the reed groove 12 of the reed.

C. Pushing the base 2 along the width direction of the reed 1 to enable the base 2 and the dial indicator 3 to translate relative to the reed 1; and (3) observing the reading of the dial indicator 3 in the moving process, and if the reading exceeds a specified threshold value, judging that the reed groove 12 of the reed 1 is unqualified.

The embodiments of the present invention include, but are not limited to, the above-mentioned embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the substance of the present invention, and still fall into the scope of the present invention.