Classifications

• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01H—SPINNING OR TWISTING
  • D01H13/00—Other common constructional features, details or accessories
  • D01H13/30—Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting
  • D01H13/304—Conditioning during spinning or twisting
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01H—SPINNING OR TWISTING
  • D01H13/00—Other common constructional features, details or accessories
  • D01H13/005—Service carriages travelling along the machines
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01H—SPINNING OR TWISTING
  • D01H13/00—Other common constructional features, details or accessories
  • D01H13/28—Heating or cooling arrangements for yarns
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01H—SPINNING OR TWISTING
  • D01H13/00—Other common constructional features, details or accessories
  • D01H13/30—Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting
  • D01H13/302—Moistening, e.g. for wet spinning
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01H—SPINNING OR TWISTING
  • D01H13/00—Other common constructional features, details or accessories
  • D01H13/32—Counting, measuring, recording or registering devices

Definitions

• An attending device for a ring or air-jet spinning machine for producing yarn a ring or air-jet spinning machine for producing yarn and a method of using this attending device
• the invention relates to an attending device for a ring or air-jet spinning machine for producing yam, which comprises a frame on which are mounted means allowing displaceable mounting and moving along a row of workstations of the machine, service means for performing attending operations at the workstations of the machine and which further comprises a power supply system and a control system.
• the invention relates to a ring or air-jet spinning machine for producing yam provided with the above-mentioned attending device and to a method of using the attending device on a ring or air-jet spinning machine comprising at least one row of workstations, in which the attending device is moving along at least one row of workstations or is stopped at a workstation to perform attending operations.
• CN1 12799450 discloses an inspection attending device with a walking chassis which can move slowly around a production line, for example a spinning machine.
• An on-board electronic control device includes an on-board control unit electrically connected to a motor driving the walking chassis.
• the attending device is provided with means for measuring climatic conditions and at the same time comprises means for humidifying the air in the spinning mill and heating it.
• the entire construction is very complex, the attending device must include its own water tank for humidifying the air. A sufficient supply of electricity must be ensured for all planned functions, especially for heating.
• CN1 13324299 describes a humidifying attending device for textile plants, which solves the technical problem of inconvenient filling of water in the reservoir of the attending device in the event that the humidified space of the spinning mill is too large and the supply of water in the attending device is insufficient.
• the problem is solved by placing a guide track on the floor of the spinning mill, and a guided transport means is adapted to move along the guide track, the guide track being provided with several points where the humidifying attending device replenishes the supply of humidifying fluid. Communication between the liquid refill points and the humidifying attending device is ensured by means of a laser transmitter and receiver.
• CN202836623 discloses a ZigBee-based spinning mill temperature and humidity control system consisting of a cart that can move freely around the spinning mill and is equipped with temperature and humidity sensors connected to a controller circuit that is connected via a ZigBee wireless communication module to the control computer. Based on the ZigBee network, the spinning mill temperature and humidity control system is able to collect real-time temperature and humidity data, as well as to analyze the composition of gases inside the spinning mill, which makes it easier for managers to regulate the indoor environment of the spinning mill.
• the disadvantage of this solution is the necessity to implement a separate autonomous device for moving around the spinning mill, including drive elements, power sources and wireless communication. All this leads to relatively high costs.
• a common disadvantage of all the known above-mentioned solutions is the fact that additional supplementary devices are designed for the space of the spinning mill and certain conditions must be created for the movement of these separate devices around the spinning mill, for example, a special track or at least sufficient space for their movement.
• additional supplementary devices are designed for the space of the spinning mill and certain conditions must be created for the movement of these separate devices around the spinning mill, for example, a special track or at least sufficient space for their movement.
• the risk of a collision with service personnel is not negligible. From the technological point of view of the production of staple yams, it appears to be a significant disadvantage that the temperature and humidity sensors on these mobile devices are located relatively far from the actual spinning units, i.e., the places where the technological process of yarn production, which is dependent on the optimal climate, actually takes place.
• the object of the invention is to contribute to solving the problem of air conditioning in spinning mills, so that, as far as possible, all workstations on all machines will operate in optimal temperature and humidity conditions, and to achieve this object, to provide an attending device intended for ring or air-jet spinning machines.
• an attending device comprising means allowing for displaceable mounting on a ring or air-jet spinning machine and for moving along a row of workstations on the machine according to independent claim 1 .
• the decisive area in terms of air temperature and humidity is the area of a roving drafting device in which the yam is thinned by stretching, its fibres are arranged in parallel to form a fibre ribbon and downstream of the drafting device, the fibre ribbon is transformed into yam by twist insertion.
• the attending device In order to display the information on the climatic conditions at the individual workstations of the ring or air-jet spinning machine for which the attending device is intended, the attending device is equipped with a display with a graphical user interface which is coupled to the control system of the attending device.
• the attending device 1 is provided with two common temperature and humidity sensors 190 whose sensing areas SA are directed through the front side of the attending device 1. to areas of interest IA which are predefined on the ring or air-jet spinning machine for which the attending device 1 is intended, wherein the areas that are common to the sensing area SA of each of the common sensors 190 and to the respective areas of interest IA at the individual workstations of the ring or air-jet spinning machine for which the attending device is intended constitute the monitored areas MA.
• the attending device 1. is provided with a display D with a graphical user interface, which is used to display information on the climatic conditions, obtained by evaluating the information on temperature and/or humidity from the temperature sensor 18 and/or from the humidity sensor 19 and/or the common temperature and humidity sensor 190 from at least one sensing area SA for at least one workstation 2 of the ring or air-jet spinning machine for which the attending device 1 is intended, wherein, displayed are, for example, specific workstations where the climatic conditions are outside the predetermined range and do not comply with the technological process of yarn production on the ring or air-jet spinning machine for which the attending device is intended.
• control system CS of the attending device 1 is provided with means for comparing climatic conditions in the sensing areas SA and/or in the areas of interest IA and/or in the monitored areas MA at the individual workstations 2 of the ring or air-jet spinning machine for which the attending device 1 is intended, with information on breakage at the respective workstations 2 of the ring or air-jet spinning machine for which the attending device 1. is intended, after the installation of the attending device on such a ring or air-jet spinning machine.
• the means of the attending device 1 obtain an overview of the relationship between the climatic conditions at the workstations 2 and the breakage of the yam 203 at the corresponding workstations 2 of the machine for which the attending device 1 is intended.
• the superior control system 3 of the ring or air-jet spinning machine on which the attending device 1. is installed is provided with means for processing the information from the temperature sensor 18 and/or humidity sensor 19 and/or common temperature and humidity sensor 190 and/or for processing information from the control system CS of the attending device 1 and is also provided with evaluation means for generating information on the climatic conditions in the sensing area SA for the individual workstations 2 of the machine in front of which the attending device 1 stands or along which it moves, and/or in the areas of interest IA and/or in the monitored areas MA for the individual workstations 2 of the machine in front of which the attending device 1 stands or along which it moves.
• the operator can adjust the climatic conditions in areas where the climatic conditions are unsatisfactory by adjusting the temperature and/or humidity of the air in the spinning mill, or such adjustment can be performed automatically by the control system 41 of the air-conditioning system 4 of the spinning mill.
• This information is intended to be processed by the evaluation means of the control system 41 of the air-conditioning system 4 of the spinning mill into the digital map of the microclimate at the individual workstations 2 and/or of the selected part of the row of workstations 2 and/or of the entire row of workstations 2 of at least one ring spinning machine and/or a group of ring or air-jet spinning machines on which the attending devices 1 according to the invention are installed.
• a traveling track 29 for the attending device 1 is created in a suitable place which, in the illustrated exemplary embodiment, includes a traveling rail 290 and a stabilizing rail 291.
• the attending device 1 intended for the ring spinning machine, comprises a control unit 10 which is coupled to means 11 for moving the attending device 1 along the travelling track 29 along the row of workstations 2 of the machine with the possibility of stopping at the workstation 2, requiring service.
• the attending device 1 further comprises service means SM for resuming spinning at the workstation 2 of the ring spinning machine for which the attending device 1 is intended, wherein the resumption of spinning by the attending device 1 at the serviced workstation 2 of the ring spinning machine takes place in the following steps:
• the attending device 1 intended for the ring spinning machine is provided with service means SM which comprise
• a tilting mechanism 12 of the yam guiding eyelet 22 which is mounted on the attending device 1 in a retractable and attachable manner to the tilting lever of the yam guiding eyelet 22;
• a tube 24 handling device 13 comprising an expander 130 which is mounted on the attending device 1. retractable above the tube 24 and insertable into the tube 24, wherein the expander 130 is adapted to grasp the tube 24, wherein the handling device 13 is adapted to move the tube 24 into the attending device 1 and to be seated on the auxiliary drive mandrel 14 in the attending device 1 to the yam end 203 finding device 15 203 on the tube_4 and to move the tube 24 back to the drive mandrel 28 of the workstation 2
• - yam manipulator 16 provided with a suction device 160 to suck and hold the yam 203 during yam 203 manipulation.
• the common temperature and humidity sensor 190 is used, which is mounted in the attending device 1 on the movable part of the tube handling device 13, namely on the arm of the expander 130, wherein he common temperature and humidity sensor 190 is mounted with its sensing side facing the open side of the attending device 1.
• the temperature and humidity sensing area SA shown in Figs. 3a, 3b and 4, which after the installation of the attending device 1 on the ring spinning machine and at the moment of the presence of the attending device 1 in front of the workstation 2 of the machine, is directed through the front side of the attending device 1.
• temperature and humidity sensing takes place in both the retracted position of the expander 130 arm, and the extended position of the expander 130 arm, wherein in the extended position, the temperature and humidity in the sensing area SA and/or in the area of interest IA and/or in the monitored area MA are monitored when the attending device 1 is stopped in front of the workstation 2 during the attending operation, and in the retracted position of the expander 130 arm, the temperature and humidity are monitored in the sensing area SA and/or in the areas of interest IA and/or in the monitored areas MA of the workstations 2 when the attending device 1. passes by them.
• the information obtained is assigned to the respective workstation 2 of the machine and stored for the necessary period of time in the control system CS of the attending device 1 or in the memory assigned to this control system CS, or in another means of the attending device 1 intended for this purpose.
• this information is assigned to the respective workstation 2 of the machine and stored for the necessary period of time in the control system 3 of the ring spinning machine, or in the control system 41 of the air-conditioning system 4 of the spinning mill.
• the temperature sensor 18, humidity sensor 19 and common temperature and humidity sensor 190 are mounted on the attending device 1 which is intended exclusively for the ring spinning machine in any combinations which are suitable from the technological point of view.
• the temperature sensor 18 and/or humidity sensor 19 and/or common temperature and humidity sensor 190 are mounted on another suitable service means SM, which is adapted for performing attending operations at the workstation 2 of the ring spinning machine, or in another suitable place in the inner space of the attending device 1, wherein they are oriented with their sensing area SA towards the front side of the attending device 1., or are coupled to unillustrated means for supplying air from the area of interest IA of the respective workstation 2 of the ring spinning machine.
• the attending device 1. is provided with a temperature sensor 18 and/or a humidity sensor and/or a common a temperature and humidity sensor which are mounted in the attending device 1 with their sensing areas SA in the direction through the front side of the attending device 1 into the space in which is arranged a drafting device on the air-jet spinning machine in which fibrous material is thinned by stretching, its fibres are arranged in parallel to form a ribbon of fibres from which yam is subsequently formed in a spinning nozzle under the action of an air stream.
• the area around the drafting device is also an area of interest IA.
• the intersection of the sensing area SA and the area of interest IA forms the monitored area MA. Since the attending devices 1 on the air-jet spinning machines are mounted displaceable along the row of identical workstations and can be provided with temperature and/or humidity sensors according to this invention, climatic conditions can be also monitored on these machines and digital climate maps can be generated as described above.
• the invention can be applied to ring or air-jet spinning machines for producing yarn, equipped with a movable attending device for spinning-in broken yam and/or for replacing full bobbins with empty tubes, for detecting, monitoring and controlling climatic conditions in the spinning mill in order to achieve optimal conditions for the process of spinning staple yams.
• 11 means for mounting the attending device on the ring spinning machine and for moving it along the row of workstations of the machine

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Textile Engineering (AREA)
• Spinning Or Twisting Of Yarns (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=91375366

Family Applications (1)

Country Status (2)

Citations (9)

• 2023
  • 2023-05-30 CZ CZ2023-219A patent/CZ2023219A3/cs unknown
• 2024
  • 2024-05-30 WO PCT/EP2024/064869 patent/WO2024246183A1/en active Pending

Patent Citations (9)

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