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Detecting mechanism for needle lifting position of electronic jacquard machine

An electronic jacquard and detection mechanism technology, which is applied in the field of textile machinery, can solve the problems of high cost, low reliability, and high detection cost, and achieve the effects of high installation density, reliable action, and simple structure

Active Publication Date: 2007-10-10
WUJIANG WANGONG ELECTROMECHANICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) Since the gap between each lifting needle on the jacquard machine is small (minimum 9mm), this requires a high volume and anti-interference of the sensor, and at the same time makes the cost of detection very high, such as the cost of a sensor and additional circuits Even if it is only 30 yuan, it will cost more than 150,000 yuan for a detection device with 5120 needles. If it is the case of 10,000 needles, the cost will be even greater;
[0005] (2) The installation and disassembly of the sensor is inconvenient;
[0006] (3) The reliability of the sensor itself is not high, especially its heating problem. Due to the large number of sensors required on a faucet device, the operating current of the sensor reaches hundreds of amperes. Such a large current is a big problem for the power supply and lines. The burden, which generates a lot of heat on the sensor array, will make the sensor heat unable to work
If the reliability of a testing agency itself is not high, using it to test other equipment will be greatly questioned

Method used

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  • Detecting mechanism for needle lifting position of electronic jacquard machine
  • Detecting mechanism for needle lifting position of electronic jacquard machine
  • Detecting mechanism for needle lifting position of electronic jacquard machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] As shown in accompanying drawings 1 and 2, the electronic jacquard machine needle position detection mechanism includes a lifting needle 10 and a connecting part 1 connected to the lower end of the lifting needle 10, and the connecting part 1 includes a wire 12 connected in sequence , upper nylon joint 13, steel heald 14, lower nylon joint 15, elastic member 18, pendant 19, fixed frame 20, wherein said through-wire 12, upper nylon joint 13, lower nylon joint 15 are the insulating parts of connecting parts 1 , the steel heald 14 is the conductor part of the connecting part 1, and when the lifting needle 10 is jacquard and thus moves up and down, it will drive the connecting part 1 to move up and down accordingly.

[0032] Accompanying drawing 1 and accompanying drawing 2 also comprise the detection switch 2 that is used for detecting the position of raising needle, and this detection switch 2 comprises insulating board 21, the first electrode 22 that is fixedly arranged o...

Embodiment 2

[0040] Accompanying drawing 4 and accompanying drawing 5 are the schematic diagrams that the detection switch in this embodiment is in two states of conduction and disconnection. This embodiment is basically the same as Embodiment 1, and steel heddle 14 and nylon joint are still used as the detection switch 2. The difference between the movable electrodes is that in this embodiment, the first electrode 22 of the detection switch 2 is formed by a baffle with a hole 222 in the middle, and the second electrode 23 is formed by a baffle with a U-shaped groove 231 at the upper end. Moreover, the distance between the bottom of the U-shaped groove 231 and the insulating plate 21 is greater than the distance between the center of the hole 222 of the first electrode 22 and the insulating plate 21 . During installation, the movable electrode passes through the outer wall of the U-shaped groove of the second electrode 23 and goes upwards over the inner wall of the hole 222 of the first ele...

Embodiment 3

[0043] As shown in accompanying drawing 6 and accompanying drawing 7, the difference between this embodiment and embodiment one is: in this embodiment, the movable electrode adopts the insulated through-wire 12 that is connected with lifting pin 10, and through-wire 12 is specially made Thin rope has good wear resistance, no elongation, no static electricity, small surface friction coefficient, and good softness. The through wire is an insulating material. In order to make the conductor part required by the active electrode, a section of conductive layer is partially processed on the surface of the through wire 12, so that the part of the conductive layer on the through wire and the unprocessed through wire form the conductor of the active electrode. Department and insulation department.

[0044] At the same time, in combination with the good flexibility of the through wire, in order to keep it in contact with the first electrode 22 and the second electrode 23, in the present ...

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Abstract

The present invention relates to an electronic jacquard machine jacquard needle position detection mechanism. It includes a connecting component which is connected with said jacquard needle and can be upwards and downwards moved together with said jacquard. The described connecting component includes at least an electroconducting portion and an insulating portion. Said detection mechanism also includes a detection switch, said detection switch includes an insulating plate, first electrode fixedly set on the described insulating plate and second electrode positioned under said first electrode. The connecting component is slide contacted with the described first electrode and second electrode. Besides, said invention also provides the working principle of said detection mechanism and its concrete operation method and steps.

Description

technical field [0001] The invention belongs to the field of textile machinery, in particular to a detection mechanism for detecting the position of a needle of an electronic jacquard machine. Background technique [0002] The lifting needle of the electronic jacquard machine is used to move up and down according to the pattern information to carry out the jacquard work. As shown in Figure 1, the lower end of the lifting needle is usually connected with connecting parts, springs, pendants, and fixed brackets in sequence. Among them, The spring is used to maintain a certain tension when the lifting needle moves up and down so as to drive the connecting part to move up and down. The connecting part generally includes a harness, an upper nylon joint, a steel heald and a lower nylon joint connected in sequence. Among them, the harness body, the upper The nylon joint and the lower nylon joint are insulators, and the steel heddle is a conductor. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D03C3/24G01M19/00G01R31/00G01M99/00
Inventor 李锡放
Owner WUJIANG WANGONG ELECTROMECHANICAL EQUIP
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