Supply device and identification device

A supply device and identification device technology, applied in the direction of deburring devices, fiber processing safety devices, textiles and papermaking, etc., can solve the problem that the inspection of the functional capacity of the mechanism for identifying foreign objects cannot be easily performed, etc.

Pending Publication Date: 2020-12-15
MASCHINENFABRIK RIETER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A check of the functional capability of the mechanism for detecting foreign objects cannot be easily performed
[0004] The disadvantage of these solutions is that dirt can get between the sliding contact and the roller
This dirt can insulate the sliding contact from the roller, so that it is no longer possible to detect the case where a foreign body closes the gap between two conductive parts

Method used

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  • Supply device and identification device
  • Supply device and identification device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] figure 1 A schematic side view of a card 1 is shown. Here, the fibers are transported from left to right in the card 1 . The fiber mat 2 first runs past the feed plate 3 and then into the feed device 4 . The feed device 4 has a feed chute 5 which cooperates with a feed roller 6 . The fiber mat 2 clamped between the feed trough 5 and the feed roller 6 is then fed to a precard roller 7 .

[0027]The fiber web (faservlies) travels from the precard roller 7 onto the drum 8 and is further processed between the drum 8 and the cover 9 shown very schematically here. The fiber web is then removed from the doffer rollers 10 and passed on to a pressing unit 11 where it is pressed into a carding belt 12 .

[0028] figure 2 A schematic side view of a supply device 4 according to the invention is shown. The supply device 4 can be in figure 1 The card 1 shown in FIG. 1 can also be part of a card or a washing machine. In this case, the supply device 4 has a supply trough 5 and...

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PUM

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Abstract

The invention relates to a supply device (4) for supplying fiber batting into a spinning preparation machine, comprising a supply roller (6) and a supply groove (5), the supply groove (5) being electrically insulated from the supply roller (6); and a detection device for detecting foreign substances, said detection device having an open first current circuit (31), which is connected to the supplyroller (6) and to the supply groove (5) and which can be closed by electrically conductive foreign substances contaminating the fibre batting (3). The supply roller (6) is connected to the first current circuit (31) by means of a first sliding contact (16). The detection device has a closed second current circuit (32) which, on the one hand, has a control line leading to the supply roller (6) and,on the other hand, is connected to the first sliding contact (16). The invention further relates to a corresponding identification device.

Description

technical field [0001] The invention relates to a feeding device for feeding fiber batts into a spinning preparation machine, the feeding device having a feeding roller and a feeding groove, wherein the feeding groove is electrically insulated from the feeding roller, and the feeding device has An identification device for identifying foreign substances, the identification device has a disconnected first current circuit, the first current circuit is connected to the supply roller and the supply groove, and the first current circuit can pass the conductive The foreign object is closed, and the supply roller is connected to the first power supply by means of the first sliding contact, and the invention relates to a corresponding identification device. Background technique [0002] A spinning preparation machine is known from GB 465,899 with means for detecting metal parts in fiber material. These devices consist of a pair of rollers through which the fibrous material travels....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01G31/00D01G15/40D06B23/00D06B23/02
CPCD01G31/003D01G9/16D01G15/40D01G23/00D01G31/00D06B23/00D06B23/02D01G15/20
Inventor H.司徒德P.耶利内克
Owner MASCHINENFABRIK RIETER AG
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