Apparatus in spinning preparation for separating foreign objects at a high-speed roll for opening or doffing fibre material

A fiber raw material and roller technology, applied in fiber processing, fiber processing safety devices, fiber feeding, etc., can solve the problems of operation impact, large space, inconvenience, etc., and achieve fast maintenance, accurate location, and small installation space. Effect

Inactive Publication Date: 2008-07-30
TRUTZSCHLER GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this device is that it requires a considerable amount of space, which is caused in particular by the blowing direction of the jet air source (air nozzles) in the area below the opening rollers
In addition, it is inconvenient that the injection air source and the valve are freely located in the waste collection area, which leads to considerable impact on operation, interruption, etc.
Another disadvantage is that the air nozzles with magnetic valves are set independently across the width of the rollers

Method used

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  • Apparatus in spinning preparation for separating foreign objects at a high-speed roll for opening or doffing fibre material
  • Apparatus in spinning preparation for separating foreign objects at a high-speed roll for opening or doffing fibre material
  • Apparatus in spinning preparation for separating foreign objects at a high-speed roll for opening or doffing fibre material

Examples

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Embodiment Construction

[0026] Referring to Figure 1, in a device for detecting and separating foreign matter, such as the Trützschler foreign matter separator SECUROMAT SP-F2, the upper inlet of the feed tank 1 has a device for the pneumatic supply of the fiber-air flow A, which consists of: Fibrous raw material delivery fan (not shown), is used for separating (expelling) fibrous raw material B and air C by air suction fixed air-permeable surface 2; And has the air flow guiding device 3 of movable element; The fiber raw material is reversibly guided back and forth laterally on the air-permeable surface 2, and then impacted, the fiber raw material falls from the air-permeable surface 2 and enters the feed trough 1 downwards substantially due to the force of gravity. The slow rollers 4a, 4b have a double role: they act as delivery rollers for removing the fiber stock B out of the feed chute 1 and at the same time as feed rollers for feeding the fiber stock B to the high speed opening roller 5 . The op...

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Abstract

In an apparatus in spinning preparation for separating foreign objects at a roll for opening or doffing fibre material, at least one device for separating the foreign objects is associated with a face of the roll. That device comprises an arrangement for producing a current of blast air flowing onto the face for detaching the foreign objects and carrying them away. The arrangement comprises a plurality of blast nozzles arranged across the width of the roll. To permit separation and allow rapid changes of the action of the blast air current, a bar for mounting the blast nozzles is present and the outlet of the blast nozzles is locally displaceable in relation to the face of the roll.

Description

technical field [0001] The invention relates to a device for separating foreign matters at high-speed rollers for opening or doffing fiber raw materials such as cotton and synthetic fibers in pre-spinning treatment, wherein the surface of the opening roller or doffer card clothing is combined with at least one A device for separating foreign matter, the device comprising an arrangement for generating a jet of air flow in the direction towards the clothing surface, which air flow separates the foreign matter from the clothing surface and entrains the foreign matter, the arrangement comprising a plurality of nozzles, which are positioned at The opening rollers or doffers are set across the width and are connected to compressed air lines and valves. Background technique [0002] In the known device (DE-A-196 45 844), two slow feed rollers join the opening rollers horizontally at the sides and feed the fiber raw material to the opening rollers. In order to maintain the co-rotat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01G15/46D01G15/74D01G15/76D01H4/36
CPCD01G23/08D01G31/00D01G31/003D01G15/465
Inventor J·施米茨K·滕布格
Owner TRUTZSCHLER GMBH & CO KG
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