CN109695077B - Four-roller double-motor transmission spinning device and spinning method - Google Patents

Four-roller double-motor transmission spinning device and spinning method Download PDF

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CN109695077B
CN109695077B CN201910159142.5A CN201910159142A CN109695077B CN 109695077 B CN109695077 B CN 109695077B CN 201910159142 A CN201910159142 A CN 201910159142A CN 109695077 B CN109695077 B CN 109695077B
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drafting
zone
draft
roller
rollers
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CN109695077A (en
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刘新金
谢春萍
徐伯俊
苏旭中
宋娟
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Jiangnan University
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Jiangnan University
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/22—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/32—Regulating or varying draft

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

Abstract

The invention discloses a four-roller double-motor transmission spinning device and a spinning method, wherein a drafting system adopts four rollers to form a three-drafting structure comprising a rear drafting zone, a middle drafting zone and a front drafting zone, a transmission control system consisting of two motors and two gear sets is adopted for the four-row rollers, the two rows of selected rollers comprising a front lower roller are directly driven and transmitted by the two motors, and the two rows of the remaining rollers are in transmission connection with the two rows of rollers driven by the motors through the two gear sets, so that the adjustability of the drafting multiple of the remaining drafting zone under the condition that the drafting multiple of any two drafting zones in the three drafting zones is fixed, or the adjustability of the specific drafting distribution of the two drafting zones under the condition that the drafting multiple of any one drafting zone in the three drafting zones is fixed and the total drafting multiple of the remaining two drafting zones is fixed, the optimal design of the drafting system in the spinning process is realized, so that the raw material spinning suitability of the spinning frame is improved, and the comprehensive quality of finished yarns is improved.

Description

Four-roller double-motor transmission spinning device and spinning method
Technical Field
The invention relates to the field of new ring spinning technology, in particular to a four-roller double-motor transmission spinning device and a spinning method.
Background
The drafting system is an important component of the operation of the spinning frame, and the performance of the drafting system directly influences the quality of finished yarns. The current universal spinning frame adopts a three-roller drafting mode, wherein the three-roller drafting mode comprises a common three-roller double-apron structure and a three-roller four-apron structure capable of realizing 80-100 times of large drafting. The common three-roller double-apron structure is divided into two drafting zones: the front drafting zone and the rear drafting zone, and the rear zone adopts simple rollers for drafting, so that the friction force boundary of the middle part is weaker, the drafting multiple is generally less than 1.4 times, the improvement of the total drafting multiple of the spinning frame is not favorable, and the total drafting multiple is between 20 and 50. In order to solve the problem of low rear zone drafting capability, a three-roller three-apron and three-roller four-apron drafting mechanism is respectively disclosed in a Chinese patent 'involving device for a high-count spinning machine' (number: 96107383) and a 'four-apron drafting mechanism for a spinning frame' (number: 012439010), so that the problem of weak rear zone drafting capability of the three-roller type drafting mechanism is better solved, and the total drafting multiple can be improved to 100. However, the draw factor increase is limited because it takes the form of three rollers, i.e. only two successive draw zones.
Disclosure of Invention
The invention aims to provide a four-roller double-motor transmission spinning device and a spinning method, which realize the adjustment of the draft multiple of any one draft zone or the adjustment of the draft distribution under the condition of fixing the total draft multiple of any two draft zones by adopting a transmission control system consisting of two motors and two gear sets for four rows of rollers, thereby realizing the optimized design of the draft system in the spinning process.
In order to achieve the aim, the invention relates to a four-roller double-motor transmission spinning device which comprises a drafting system, wherein the drafting system comprises a rear roller pair, a middle front roller pair and a front roller pair, the rear roller pair comprises a rear lower roller and a rear upper rubber roller, the middle rear roller pair comprises a middle rear lower roller and a middle rear upper rubber roller, the middle front roller pair comprises a middle front lower roller and a middle front upper rubber roller, the front roller pair comprises a front lower roller and a front upper rubber roller, the rear lower roller, the middle front lower roller and the front lower roller have the same structure, the rear lower roller, the middle front lower roller and the front lower roller comprise roller shafts, the roller shafts are of a solid cylindrical structure, the roller shafts of the rear lower rollers of all spindle positions of a front vehicle table top of a spinning frame are fixedly connected in an integrated manner, the roller shafts of the middle rear lower rollers and the rear lower rollers of all spindle positions are fixedly connected in an integrated manner, the roller shafts of the middle front lower rollers and front lower, The roller shafts of the front lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the rear lower rollers of all spindle positions of the rear platform surface of a spinning frame are integrally and fixedly connected, the roller shafts of the middle and rear lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the middle and front lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the front lower rollers of all spindle positions are integrally and fixedly connected, a roller sleeve is fixedly sleeved on the outer circumference of the roller shaft of each spindle position, the roller sleeve and the roller shaft of each spindle position are made of the same material and are made of iron or steel, the roller sleeve and the roller shaft are integrally and fixedly connected, the structures of the rear upper rubber roller, the middle and front upper rubber roller and the front upper rubber roller are the same, the rear upper rubber roller, the middle and rear upper rubber roller, the front rubber roller and, The middle and front upper rubber rollers and the front upper rubber roller comprise rubber roller shafts which are made of iron materials, the rubber roller shafts are of solid cylindrical structures, a spindle group is formed by one spindle position on a front lathe table surface of a spinning frame and an adjacent spindle position on the right side, a spindle group is formed by one spindle position on a rear lathe table surface of the spinning frame and an adjacent spindle position on the left side, the rubber roller shafts of the rear upper rubber rollers on the two spindle positions of the spindle group are integrally connected, the rubber roller shafts of the middle and rear upper rubber rollers are integrally connected, the rubber roller shafts of the middle and front upper rubber rollers are integrally connected, the rubber roller shafts of the front upper rubber rollers are integrally connected, rubber roller sleeves are sleeved on the outer circumferences of the rubber roller shafts of the rear upper rubber roller, the middle and front upper rubber roller sleeves are made of rubber materials and are connected with the rubber roller shafts through bearings, the rubber roller sleeves can freely rotate around the rubber roller shafts, and a certain distance is kept between the rubber roller sleeves on the two spindle positions, the back gluing roller, the middle front gluing roller and the glue roller shaft between the glue roller sleeves of the two spindle positions of one spindle position group are sequentially embedded in the back embedding grab, the middle front embedding grab and the front embedding grab of the pressurizing assembly from back to front so as to realize the installation of the back gluing roller, the middle front gluing roller and the front gluing roller on the pressurizing assembly, the back part of the pressurizing assembly is fixed on the platform surface of a spinning frame through a fixed shaft, and the pressurizing assembly can rotate along the fixed shaft so as to realize the pressing of the back gluing roller, the middle front gluing roller and the front gluing roller under certain pressure in the rotating process, wherein a back drafting zone is formed between the back roller pair and the middle back roller pair, a middle drafting zone is formed between the middle back roller pair and the middle front roller pair, and a front drafting zone is formed between the middle front drafting pair and the front roller pair, the transmission control system of the drafting system comprises two motors and two gear sets, the two motors comprise a first motor and a second motor, the two gear sets comprise a first gear set and a second gear set, the transmission control system comprises single drafting zone drafting multiple adjustable transmission control with variable total drafting multiple, double drafting zone drafting distribution adjustable transmission control with variable total drafting multiple and double drafting zone drafting distribution adjustable transmission control with fixed total drafting multiple, two rows of rollers in the back lower roller, the middle front lower roller and the front lower roller are motor direct transmission rollers, the two rows of motor direct transmission rollers are respectively directly driven to rotate by the first motor and the second motor, one row of rollers in the motor direct transmission rollers is a front lower roller, the two rows of rollers except the two rows of motor direct transmission rollers in the back lower roller, the middle front lower roller and the front lower roller are gear set indirect transmission rollers, the indirect drive rollers of the gear sets in two rows respectively adopt a first gear set and a second gear set to drive passively, the draft multiple of a single draft zone with the change of the total draft multiple is controlled to be adjustable, the draft multiples of the rest two draft zones are kept fixed, the adjustable drive control of the draft multiple of the back draft zone, the adjustable drive control of the draft multiple of the middle draft zone and the adjustable drive control of the draft multiple of the front draft zone are included, the indirect drive rollers of the gear sets in one row adopt the first gear set to be in transmission connection with the direct drive rollers of the motor in the adjacent row, the indirect drive rollers of the gear sets in the other row adopt the second gear set to be in transmission connection with the indirect drive rollers of the gear sets in the other row, and the indirect drive rollers of the gear sets in the other row adopt the first gear set to be in transmission connection with the direct drive rollers of the motor in the adjacent row, and the indirect drive rollers of the The rollers are in transmission connection, the other remaining row of gear set indirect transmission rollers are in transmission connection with the other remaining row of motor direct transmission rollers through a second gear set, the double-drafting zone drafting distribution adjustable transmission control with the total drafting multiple changed is adopted, the total drafting multiple of the double-drafting zone is kept fixed, the drafting multiple of the remaining one drafting zone is adjustable, the device comprises a first back drafting zone drafting distribution adjustable transmission control and a first front drafting zone drafting distribution adjustable transmission control, the first back drafting zone drafting distribution adjustable transmission control and the first middle drafting zone drafting distribution adjustable transmission control are adopted, the two rows of gear set indirect transmission rollers are back lower rollers, the two rows of gear set indirect transmission rollers are in transmission connection through the first gear set, the back lower rollers are in transmission connection with the one row of gear set indirect transmission rollers except the front lower rollers through the second gear set, the double drafting zone drafting distribution adjustable transmission control with fixed total drafting multiple, the total drafting multiple of the double drafting zone is kept fixed, the drafting multiple of the rest drafting zone is kept fixed, the drafting multiple of the second back and middle drafting zone drafting distribution adjustable transmission control, the second middle and front drafting zone drafting distribution adjustable transmission control, the second back and middle drafting zone drafting distribution adjustable transmission control and the second middle and front drafting zone drafting adjustable transmission control are included, wherein the gear set indirect transmission roller of one row is a back lower roller, the back lower roller is in transmission connection with the gear set indirect transmission roller of the rest other row by adopting a first gear set, the gear set indirect transmission roller of the rest other row is in transmission connection with the front lower roller by adopting a second gear set, the drafting distribution adjustable transmission control of the second back and front drafting zone, the gear set indirect drive rollers of one row are rear lower rollers and are in transmission connection with the front lower rollers by adopting a first gear set, and the gear set indirect drive rollers of the other remaining row are in transmission connection with the motor direct drive rollers of the remaining row by adopting a second gear set.
When the double-drafting-zone drafting distribution adjustable transmission control is adopted, the rear drafting zone and the middle drafting zone are the drafting zones for slightly drafting and finishing the fed roving, the front drafting zone is the drafting zone for mainly drafting the fed roving, the total drafting multiple of the rear drafting zone and the middle drafting zone is far smaller than that of the front drafting zone, the rear drafting zone realizes primary finishing action on the fed roving under weak drafting, the middle drafting zone realizes secondary finishing action on the roving after weak drafting and primary finishing under weak drafting, and in the process, under the condition of keeping the total draft multiple of the rear draft zone and the middle draft zone unchanged, the adjustment of the specific draft distribution of the rear draft zone and the middle draft zone is realized, and the coordination control on the primary finishing action and the secondary finishing action of the fed roving can be realized according to the difference of the fed roving; when the adjustable transmission control of the draft distribution of the second middle draft zone and the front draft zone is adopted, the rear draft zone is a draft zone for performing weak draft and finishing on fed roving, the middle draft zone is a draft zone for performing transition draft on the fed roving, the front draft zone is a draft zone for performing main draft on the fed roving, the rear draft zone is far smaller than the total draft multiple of the middle draft zone and the front draft zone, the rear draft zone performs finishing on the fed roving under weak draft, the middle draft zone performs draft on the roving after weak draft and finishing, and the draft multiple of the middle draft zone is smaller than the draft multiple of the front draft zone, so that the middle draft zone performs transition draft between the finishing of the rear draft zone and the main draft of the front draft zone, and the specific draft distribution adjustment of the middle draft zone and the front draft zone is realized under the condition that the total draft multiple of the middle draft zone and the rear draft zone is kept unchanged in the process, the coordination control of the transitional drafting action and the main drafting action of the fed roving can be realized according to the different fed rovings; when the second back and front drafting zone drafting distribution adjustable transmission control is adopted, the back drafting zone is a drafting zone for performing weak drafting and finishing on fed roving, the middle drafting zone is a drafting zone for performing transitional finishing on the fed roving, the front drafting zone is a drafting zone for performing main drafting on the fed roving, the middle drafting zone is far smaller than the total drafting multiple of the back drafting zone and the front drafting zone at the moment, the back drafting zone performs finishing action on the fed roving under weak drafting, the middle drafting zone performs transitional finishing action on the roving after weak drafting and finishing in the back drafting zone, and the drafting multiple of the back drafting zone is far smaller than the drafting multiple of the front drafting zone at the moment, so that the middle drafting zone plays a transitional finishing action between the finishing action of the back drafting zone and the main drafting action of the front drafting zone, and the specific drafting distribution adjustment of the back drafting zone and the front drafting zone is realized under the condition that the total drafting multiple of the back drafting zone and the back drafting zone is kept unchanged in the process, the coordination control of the finishing action and the main drafting action of the fed roving can be realized according to the different fed rovings; when the twist coefficients of the fiber raw material of the fed roving and the roving are kept unchanged, but the quantitative quantity of the fed roving or the quantitative quantity of the spun yarn is changed, the adjustable transmission control of the draft multiple of the single draft zone with the changed total draft multiple is selected, at the moment, when the difference between the quantitative quantities of the fed roving is within 5 percent or the difference between the quantitative quantities of the spun yarn is within 10 percent, the adjustable transmission control of the draft multiple of the back draft zone is selected, in the process, the back draft zone realizes weak draft and primary finishing action on the fed roving, the middle draft zone performs weak draft and secondary finishing action on the roving which is subjected to weak draft and finishing by the back draft zone, and the front draft zone performs main draft action on the roving which is drafted and finished by the back draft zone and the middle draft zone; when the difference between the quantitative amounts of the fed roving is within 15 percent or the difference between the quantitative amounts of the spun yarn is within 50 percent, the adjustable transmission control of the draft multiple of the middle draft zone is selected, in the process, the rear draft zone realizes weak draft and finishing action on the fed roving, the middle draft zone performs transition draft action on the roving which is subjected to weak draft and finishing in the rear draft zone, and the front draft zone performs main draft action on the roving which is finished in the rear draft zone and subjected to transition draft action in the middle draft zone; when the difference between the fixed quantities of the fed roving is more than 15% or the difference between the fixed quantities of the spun yarn is more than 50%, the adjustable transmission control of the draft multiple of the front draft zone is selected, in the process, the rear draft zone realizes weak draft and primary finishing action on the fed roving, the middle draft zone performs weak draft and secondary finishing action on the roving which is weakly drafted and finished in the rear draft zone, and the front draft zone performs main draft action on the roving which is drafted and finished in the rear draft zone and the middle draft zone; when the fiber raw material of the fed roving or the twist coefficient of the roving, the quantitative quantity of the roving or the quantitative quantity of the spun yarn are changed, double-drafting-zone drafting distribution adjustable transmission control with the change of the total drafting multiple is selected, when the difference between the quantitative quantities of the fed roving is more than 10% or the difference between the quantitative quantities of the spun yarn is more than 40%, first back-drafting-zone drafting distribution adjustable transmission control and middle-drafting-zone drafting distribution adjustable transmission control are selected, in the process, the back-drafting zone realizes weak drafting action and primary finishing action on the fed roving, the middle-drafting-zone performs weak drafting action and secondary finishing action on the roving which is weakly drafted and finished by the back-drafting zone, and the front drafting zone performs main drafting action on the roving which is drafted and finished by the back-drafting zone and the middle drafting zone; when the difference between the quantitative amounts of the fed roving is within 6 percent or the difference between the quantitative amounts of the spun yarn is within 30 percent, the adjustable transmission control of the draft distribution of the first middle drafting zone and the first front drafting zone is selected, in the process, the rear drafting zone realizes weak drafting action and finishing action on the fed roving, the middle drafting zone performs transition drafting action on the roving which is subjected to weak drafting and finishing in the rear drafting zone, and the front drafting zone performs main drafting action on the roving which is subjected to transition drafting action in the rear drafting zone and the middle drafting zone.
The invention provides a four-roller double-motor transmission spinning device and a spinning method.A transmission control system consisting of two motors and two gear sets is adopted for four rows of rollers, two selected rows of rollers including a front lower roller are directly driven by the two motors for transmission, and the remaining two rows of rollers are in transmission connection with the two rows of rollers driven by the motors through the two gear sets, so that the adjustment of the draft multiple of any one draft zone is realized, or the adjustment of the draft distribution under the condition that the total draft multiple of any two draft zones is fixed is realized, and the optimal design of the draft system in the spinning process is realized.
Drawings
Fig. 1 is a schematic view of a draft zone draft factor adjustable transmission control structure in a single draft zone draft factor adjustable transmission control with a total draft factor variation according to the present invention;
FIG. 2 is a schematic diagram of the first rear and middle draft zone draft distribution adjustable transmission control structure in the double draft zone draft distribution adjustable transmission control with the total draft multiple variation according to the present invention;
fig. 3 is a schematic diagram of the second rear and middle drafting zone drafting distribution adjustable transmission control structure in the double drafting zone drafting distribution adjustable transmission control with fixed total drafting multiple of the present invention.
Detailed Description
As shown in figures 1, 2 and 3, the four-roller double-motor transmission spinning device comprises a drafting system, wherein the drafting system comprises a rear roller pair, a middle front roller pair and a front roller pair, the rear roller pair comprises a rear lower roller 1 and a rear upper sizing roller 2, the middle rear roller pair comprises a middle rear lower roller 3 and a middle rear upper sizing roller 4, the middle front roller pair comprises a middle front lower roller 5 and a middle front upper sizing roller 6, the front roller pair comprises a front lower roller 7 and a front upper sizing roller 8, and the rear lower roller pair comprises a rear lower roller 7 and a front upper sizing roller 8RollerThe structures of the middle-rear lower roller, the middle-front lower roller and the front lower roller are the same, the rear lower roller, the middle-front lower roller and the front lower roller comprise roller shafts 9, the roller shafts are of solid cylindrical structures, a spinning machine, namely, the roller shafts of the rear lower rollers of all spindle positions on the front vehicle table surface of the spinning device are integrally and fixedly connected, the roller shafts of the middle-rear lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the middle-front lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the rear lower rollers of all spindle positions on the rear vehicle table surface of the spinning machine are integrally and fixedly connected, the roller shafts of the middle-rear lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the middle-front lower rollers of all spindle positions are integrally and fixedly connected, a roller sleeve 10 is fixedly and tightly sleeved on the outer circumference of the roller shaft of the rear lower roller, the middle front lower roller and the front lower roller of each spindle position, a certain distance is kept between the roller sleeves of two adjacent spindle positions, the roller sleeves and the roller shafts are made of the same material and are both iron or steel, and the roller sleeves and the roller shafts are integrally and fixedly connected; rear upper partRubber rollerThe middle and rear gluing rollers, the middle and front gluing rollers and the front gluing roller have the same structure, the rear gluing roller, the middle and rear gluing rollers, the middle and front gluing rollers and the front gluing roller comprise a glue roller shaft 11, the glue roller shaft is made of iron materials and is of a solid cylindrical structure, and a spindle position is arranged on the front vehicle table surface of a spinning frameA spindle group is formed by one spindle position adjacent to the right side, one spindle position on the rear vehicle platform surface of a spinning frame and one spindle position adjacent to the left side form a spindle group, the rubber roller shafts of the rear sizing rollers on the two spindle positions of one spindle group are integrally connected, the rubber roller shafts of the middle and rear sizing rollers are integrally connected, the rubber roller shaft of the middle and front sizing rollers are integrally connected, the rubber roller shaft of the front sizing roller is integrally connected, a rubber roller sleeve 12 is tightly sleeved on the outer circumference of the rubber roller shaft of the rear sizing roller, the middle and rear sizing rollers, the middle and front sizing rollers and the front sizing roller of each spindle position, the rubber roller sleeve is made of rubber, is connected with the rubber roller shaft through a bearing, can freely rotate around the rubber roller shaft, a certain distance is kept between the rubber roller sleeves on the two spindle positions of one spindle group, the rear sizing roller, the middle and rear sizing rollers, the middle and front sizing rollers and the rubber roller sleeve of the two spindle positions of one spindle group are sequentially embedded into the pressurizing assembly from the rear sizing roller shaft to the rear sizing roller and the rear sizing roller The middle-rear embedded grab, the middle-front embedded grab and the front embedded grab are arranged in the pressurizing assembly, so that the rear gluing roller, the middle-front gluing roller and the front gluing roller are arranged on the pressurizing assembly, the rear part of the pressurizing assembly is fixed on the table board of a spinning frame through a fixed shaft, the pressurizing assembly can rotate along the fixed shaft, the rear gluing roller, the middle-front gluing roller and the front gluing roller are pressed down under certain pressure in the rotating process, a rear drafting zone is formed between the rear roller pair and the middle-rear roller pair, a middle drafting zone is formed between the middle-rear roller pair and the middle-front roller pair, a front drafting zone is formed between the middle-front roller pair and the front roller pair, a transmission control system of the drafting system comprises two motors and two gear sets, the two motors comprise a first motor 13 and a second motor 14, the two gear sets comprise a first gear set 15 and a second gear, the device comprises single drafting zone drafting multiple adjustable transmission control with variable total drafting multiple, double drafting zone drafting distribution adjustable transmission control with fixed total drafting multiple, two rows of rollers in a back lower roller, a middle and front lower roller and a front lower roller are motor direct transmission rollers, and the motor direct transmission rollers in the two rows respectively adopt a first motor and a second motor direct beltAnd the rollers in one row in the rollers directly driven by the motor are front lower rollers, the rollers in the other two rows except the rollers directly driven by the motors in two rows in the rear lower rollers, the middle and front lower rollers and the front lower rollers are gear set indirect drive rollers, and the gear set indirect drive rollers in the two rows are driven and driven by a first gear set and a second gear set respectively.
For the single-drafting-zone drafting multiple adjustable transmission control with the change of the total drafting multiple, the drafting multiple of the remaining two drafting zones is kept fixed, and the transmission control comprises rear drafting-zone drafting multiple adjustable transmission control, middle drafting-zone drafting multiple adjustable transmission control and front drafting-zone drafting multiple adjustable transmission control, wherein for the rear drafting-zone drafting multiple adjustable transmission control and the front drafting-zone drafting multiple adjustable transmission control, the gear set indirect transmission rollers of one row are in transmission connection with the motor direct transmission rollers of one row which are close by adopting a first gear set, the gear set indirect transmission rollers of the other row which are remaining are in transmission connection with the gear set indirect transmission rollers of one row by adopting a second gear set, for the middle drafting-zone drafting multiple adjustable transmission control, the gear set indirect transmission rollers of one row are in transmission connection with the motor direct transmission rollers of one row which are close by adopting the first gear set, the rest gear set indirect drive rollers in the other row are in transmission connection with the rest motor direct drive rollers in the other row by adopting a second gear set.
The method comprises the steps of carrying out draft distribution adjustable transmission control on double draft zones with variable total draft multiples, keeping the total draft multiple of the double draft zones fixed, and adjusting the draft multiple of the rest draft zone, wherein the draft distribution adjustable transmission control of the first rear draft zone and the middle draft zone comprises the draft distribution adjustable transmission control of the first rear draft zone and the draft distribution adjustable transmission control of the first middle draft zone and the draft distribution adjustable transmission control of the first front draft zone and the draft distribution adjustable transmission control of the first rear draft zone and the middle draft zone, two rows of gear set indirect transmission rollers are rear lower rollers, the two rows of gear set indirect transmission rollers are in transmission connection through a first gear set, and the rear lower rollers are in transmission connection with one row of gear set indirect transmission rollers except the front lower roller through a second gear set.
The double drafting zone drafting distribution adjustable transmission control with fixed total drafting multiple, the total drafting multiple of the double drafting zone is kept fixed, the drafting multiple of the rest drafting zone is kept fixed, the drafting multiple of the second back and middle drafting zone drafting distribution adjustable transmission control, the second middle and front drafting zone drafting distribution adjustable transmission control, the second back and middle drafting zone drafting distribution adjustable transmission control and the second middle and front drafting zone drafting adjustable transmission control are included, wherein the gear set indirect transmission roller of one row is a back lower roller, the back lower roller is in transmission connection with the gear set indirect transmission roller of the rest other row by adopting a first gear set, the gear set indirect transmission roller of the rest other row is in transmission connection with the front lower roller by adopting a second gear set, the drafting distribution adjustable transmission control of the second back and front drafting zone, the gear set indirect drive rollers of one row are rear lower rollers and are in transmission connection with the front lower rollers by adopting a first gear set, and the gear set indirect drive rollers of the other remaining row are in transmission connection with the motor direct drive rollers of the remaining row by adopting a second gear set.
When the double-drafting-zone drafting distribution adjustable transmission control is adopted, the rear drafting zone and the middle drafting zone are the drafting zones for slightly drafting and finishing the fed roving, the front drafting zone is the drafting zone for mainly drafting the fed roving, the total drafting multiple of the rear drafting zone and the middle drafting zone is far smaller than that of the front drafting zone, the rear drafting zone realizes primary finishing action on the fed roving under weak drafting, the middle drafting zone realizes secondary finishing action on the roving after weak drafting and primary finishing under weak drafting, and in the process, under the condition of keeping the total draft multiple of the rear draft zone and the middle draft zone unchanged, the adjustment of the specific draft distribution of the rear draft zone and the middle draft zone is realized, and the coordination control on the primary finishing action and the secondary finishing action of the fed roving can be realized according to the difference of the fed roving; when the adjustable transmission control of the draft distribution of the second middle draft zone and the front draft zone is adopted, the rear draft zone is a draft zone for performing weak draft and finishing on fed roving, the middle draft zone is a draft zone for performing transition draft on the fed roving, the front draft zone is a draft zone for performing main draft on the fed roving, the rear draft zone is far smaller than the total draft multiple of the middle draft zone and the front draft zone, the rear draft zone performs finishing on the fed roving under weak draft, the middle draft zone performs draft on the roving after weak draft and finishing, and the draft multiple of the middle draft zone is smaller than the draft multiple of the front draft zone, so that the middle draft zone performs transition draft between the finishing of the rear draft zone and the main draft of the front draft zone, and the specific draft distribution adjustment of the middle draft zone and the front draft zone is realized under the condition that the total draft multiple of the middle draft zone and the rear draft zone is kept unchanged in the process, the coordination control of the transitional drafting action and the main drafting action of the fed roving can be realized according to the different fed rovings; when the second back and front drafting zone drafting distribution adjustable transmission control is adopted, the back drafting zone is a drafting zone for performing weak drafting and finishing on fed roving, the middle drafting zone is a drafting zone for performing transitional finishing on the fed roving, the front drafting zone is a drafting zone for performing main drafting on the fed roving, the middle drafting zone is far smaller than the total drafting multiple of the back drafting zone and the front drafting zone at the moment, the back drafting zone performs finishing action on the fed roving under weak drafting, the middle drafting zone performs transitional finishing action on the roving after weak drafting and finishing in the back drafting zone, and the drafting multiple of the back drafting zone is far smaller than the drafting multiple of the front drafting zone at the moment, so that the middle drafting zone plays a transitional finishing action between the finishing action of the back drafting zone and the main drafting action of the front drafting zone, and the specific drafting distribution adjustment of the back drafting zone and the front drafting zone is realized under the condition that the total drafting multiple of the back drafting zone and the back drafting zone is kept unchanged in the process, the coordination control of the finishing action and the main drafting action of the fed roving can be realized according to the different fed rovings.
When the twist coefficients of the fiber raw material of the fed roving and the roving are kept unchanged, but the quantitative quantity of the fed roving or the quantitative quantity of the spun yarn is changed, the adjustable transmission control of the draft multiple of the single draft zone with the changed total draft multiple is selected, at the moment, when the difference between the quantitative quantities of the fed roving is within 5 percent or the difference between the quantitative quantities of the spun yarn is within 10 percent, the adjustable transmission control of the draft multiple of the back draft zone is selected, in the process, the back draft zone realizes weak draft and primary finishing action on the fed roving, the middle draft zone performs weak draft and secondary finishing action on the roving which is subjected to weak draft and finishing by the back draft zone, and the front draft zone performs main draft action on the roving which is drafted and finished by the back draft zone and the middle draft zone; when the difference between the quantitative amounts of the fed roving is within 15 percent or the difference between the quantitative amounts of the spun yarn is within 50 percent, the adjustable transmission control of the draft multiple of the middle draft zone is selected, in the process, the rear draft zone realizes weak draft and finishing action on the fed roving, the middle draft zone performs transition draft action on the roving which is subjected to weak draft and finishing in the rear draft zone, and the front draft zone performs main draft action on the roving which is finished in the rear draft zone and subjected to transition draft action in the middle draft zone; when the difference between the fixed quantities of the fed roving is more than 15% or the difference between the fixed quantities of the spun yarn is more than 50%, the adjustable transmission control of the draft multiple of the front draft zone is selected, in the process, the rear draft zone realizes weak draft and primary finishing action on the fed roving, the middle draft zone performs weak draft and secondary finishing action on the roving which is weakly drafted and finished in the rear draft zone, and the front draft zone performs main draft action on the roving which is drafted and finished in the rear draft zone and the middle draft zone.
When the fiber raw material of the fed roving or the twist coefficient of the roving, the quantitative quantity of the roving or the quantitative quantity of the spun yarn are changed, double-drafting-zone drafting distribution adjustable transmission control with the change of the total drafting multiple is selected, when the difference between the quantitative quantities of the fed roving is more than 10% or the difference between the quantitative quantities of the spun yarn is more than 40%, first back-drafting-zone drafting distribution adjustable transmission control and middle-drafting-zone drafting distribution adjustable transmission control are selected, in the process, the back-drafting zone realizes weak drafting action and primary finishing action on the fed roving, the middle-drafting-zone performs weak drafting action and secondary finishing action on the roving which is weakly drafted and finished by the back-drafting zone, and the front drafting zone performs main drafting action on the roving which is drafted and finished by the back-drafting zone and the middle drafting zone; when the difference between the quantitative amounts of the fed roving is within 6 percent or the difference between the quantitative amounts of the spun yarn is within 30 percent, the adjustable transmission control of the draft distribution of the first middle drafting zone and the first front drafting zone is selected, in the process, the rear drafting zone realizes weak drafting action and finishing action on the fed roving, the middle drafting zone performs transition drafting action on the roving which is subjected to weak drafting and finishing in the rear drafting zone, and the front drafting zone performs main drafting action on the roving which is subjected to transition drafting action in the rear drafting zone and the middle drafting zone.

Claims (9)

1. A method of spinning characterized by: the four-roller double-motor transmission spinning device is adopted, when the fixed quantity of fed roving is the same and the fixed quantity of spun yarn is kept unchanged, but the fiber raw material of the fed roving or the twist coefficient of the roving is changed, double-drafting-zone drafting distribution adjustable transmission control with fixed total drafting multiple is selected, at the moment, when the second back-drafting-zone drafting distribution adjustable transmission control and the middle-drafting-zone adjustable transmission control are adopted, the back drafting zone and the middle drafting zone are the same drafting zones for carrying out weak drafting and finishing on the fed roving, the front drafting zone is the drafting zone for carrying out main drafting on the fed roving, the total drafting multiple of the back drafting zone and the middle drafting zone is far less than the drafting multiple of the front drafting zone, the back drafting zone realizes the finishing action on the fed roving under weak drafting, the middle drafting zone realizes the secondary finishing action on the roving after the back drafting zone under weak drafting and the primary finishing under weak drafting, in the process, the specific draft distribution of the rear drafting zone and the middle drafting zone is adjusted under the condition of keeping the total draft multiple of the rear drafting zone and the middle drafting zone unchanged, so that the coordination control on the primary finishing action and the secondary finishing action of the fed roving can be realized according to the difference of the fed roving; when the adjustable transmission control of the draft distribution of the second middle drafting zone and the front drafting zone is adopted, the rear drafting zone is a drafting zone for performing weak draft and finishing on fed roving, the middle drafting zone is a drafting zone for performing transition draft on the fed roving, the front drafting zone is a drafting zone for performing main draft on the fed roving, the draft multiple of the rear drafting zone is far smaller than the total draft multiple of the middle drafting zone and the front drafting zone, the rear drafting zone performs finishing on the fed roving under weak draft, the middle drafting zone performs drafting on the roving subjected to weak draft and finishing in the rear drafting zone, and the draft multiple of the middle drafting zone is smaller than the draft multiple of the front drafting zone, so that the middle drafting zone plays a transition draft role between the finishing role of the rear drafting zone and the main draft role of the front drafting zone, and in the process, the specific distributed adjustment of the middle drafting zone and the front drafting zone is realized under the condition that the total draft multiple of the middle drafting zone and the rear drafting zone is kept unchanged The coordination control of the transitional drafting action and the main drafting action of the fed roving can be realized according to the different fed rovings; when the adjustable transmission control of the draft distribution of the second back draft zone and the front draft zone is adopted, the back draft zone is a draft zone for performing weak draft and finishing on fed roving, the middle draft zone is a draft zone for performing transitional finishing on the fed roving, the front draft zone is a draft zone for performing main draft on the fed roving, the draft multiple of the middle draft zone is far smaller than the total draft multiple of the back draft zone and the front draft zone, the back draft zone performs finishing on the fed roving under weak draft, the middle draft zone performs transitional finishing on the roving subjected to weak draft and finishing in the back draft zone, and the draft multiple of the back draft zone is far smaller than the draft multiple of the front draft zone, so that the middle draft zone plays a transitional finishing role between the finishing role of the back draft zone and the main draft role of the front draft zone, and in the process, the specific divided drafting of the back draft zone and the front draft zone is realized under the condition that the total draft multiple of the back draft zone and the front draft zone is kept unchanged The coordination control of the finishing function and the main drafting function of the fed roving can be realized according to the different fed rovings;
when the twist coefficients of the fiber raw material of the fed roving and the roving are kept unchanged, but the quantitative quantity of the fed roving or the quantitative quantity of the spun yarn is changed, the adjustable transmission control of the draft multiple of the single draft zone with the changed total draft multiple is selected, at the moment, when the difference between the quantitative quantities of the fed roving is within 5 percent or the difference between the quantitative quantities of the spun yarn is within 10 percent, the adjustable transmission control of the draft multiple of the back draft zone is selected, in the process, the back draft zone realizes weak draft and primary finishing action on the fed roving, the middle draft zone performs weak draft and secondary finishing action on the roving which is subjected to weak draft and finishing by the back draft zone, and the front draft zone performs main draft action on the roving which is drafted and finished by the back draft zone and the middle draft zone; when the difference between the quantitative amounts of the fed roving is within 15 percent or the difference between the quantitative amounts of the spun yarn is within 50 percent, the adjustable transmission control of the draft multiple of the middle draft zone is selected, in the process, the rear draft zone realizes weak draft and finishing action on the fed roving, the middle draft zone performs transition draft action on the roving which is subjected to weak draft and finishing in the rear draft zone, and the front draft zone performs main draft action on the roving which is finished in the rear draft zone and subjected to transition draft action in the middle draft zone; when the difference between the fixed quantities of the fed roving is more than 15% or the difference between the fixed quantities of the spun yarn is more than 50%, the adjustable transmission control of the draft multiple of the front draft zone is selected, in the process, the rear draft zone realizes weak draft and primary finishing action on the fed roving, the middle draft zone performs weak draft and secondary finishing action on the roving which is weakly drafted and finished in the rear draft zone, and the front draft zone performs main draft action on the roving which is drafted and finished in the rear draft zone and the middle draft zone;
when the fiber raw material of the fed roving or the twist coefficient of the roving, the quantitative quantity of the roving or the quantitative quantity of the spun yarn are changed, double-drafting-zone drafting distribution adjustable transmission control with the change of the total drafting multiple is selected, when the difference between the quantitative quantities of the fed roving is more than 10% or the difference between the quantitative quantities of the spun yarn is more than 40%, first back-drafting-zone drafting distribution adjustable transmission control and middle-drafting-zone drafting distribution adjustable transmission control are selected, in the process, the back-drafting zone realizes weak drafting action and primary finishing action on the fed roving, the middle-drafting-zone performs weak drafting action and secondary finishing action on the roving which is weakly drafted and finished by the back-drafting zone, and the front drafting zone performs main drafting action on the roving which is drafted and finished by the back-drafting zone and the middle drafting zone; when the difference between the quantitative amounts of the fed roving is within 6 percent or the difference between the quantitative amounts of the spun yarn is within 30 percent, the adjustable transmission control of the draft distribution of the first middle drafting zone and the first front drafting zone is selected, in the process, the rear drafting zone realizes weak drafting action and finishing action on the fed roving, the middle drafting zone performs transition drafting action on the roving which is subjected to weak drafting and finishing in the rear drafting zone, and the front drafting zone performs main drafting action on the roving which is subjected to transition drafting action in the rear drafting zone and the middle drafting zone.
2. A method of spinning according to claim 1, characterised in that: four rollers bi-motor transmission spinning device, including draft system and transmission control system, draft system adopt back roller pair, well front roller pair, preceding roller pair totally four roller pairs, constitute and include back draft zone, well draft zone, three draft structure in preceding draft zone, adopt the transmission control system who comprises two motors, two gear trains to four rows of rollers of four roller pairs, through including preceding roller pair two rows of rollers of roller under the front adopt two motors directly to drive the transmission, remaining two rows of rollers carry out the transmission through two gear trains and being connected between two rows of rollers that are driven by the motor, realize the adjustable of one draft zone multiple that remains under the fixed condition of wherein two arbitrary draft zone multiples in three draft zones, or realize that one of them draft zone multiple in three draft zones fixes, The specific draft distribution of the two draft zones is adjustable under the condition that the total draft multiple of the remaining two draft zones is fixed, namely, the adjustable transmission control of the draft multiple of a single draft zone with variable total draft multiple, the adjustable transmission control of the draft distribution of a double draft zone with variable total draft multiple or the adjustable transmission control of the draft distribution of a double draft zone with fixed total draft multiple is realized.
3. A method of spinning according to claim 2, characterised in that: the four roller pairs respectively comprise lower rollers with the same structure and upper sizing rollers with the same structure, the lower rollers comprise roller shafts, the roller shafts of the four roller pairs of all spindle positions on the table top of the spinning device are respectively and integrally fixedly connected, the roller shafts of the four roller pairs of all spindle positions on the table top of the spinning device are respectively and integrally and fixedly connected, the outer circumference of the roller shafts of the four roller pairs on each spindle position is fixedly sleeved with a roller sleeve, and a certain distance is kept between the roller sleeves of two adjacent spindle positions; the glue applying roller comprises a glue roller shaft, one spindle position of a front vehicle table top of the spinning device and one spindle position adjacent to the right side form a spindle position group, one spindle position of a rear vehicle table top of the spinning device and one spindle position adjacent to the left side form a spindle position group, the glue roller shafts of the four roller pairs on the two spindle positions of the spindle position group are respectively and integrally connected, a glue roller sleeve is tightly sleeved on the outer circumference of the glue roller shaft on each spindle position through a bearing, the glue roller sleeves can freely rotate around the glue roller shafts, a certain distance is kept between the glue roller sleeves on the two spindle positions of the spindle position group, and the glue roller shafts are embedded in the embedding claws of the pressurizing assembly to realize the installation of the glue applying rollers of the four roller pairs on the pressurizing assembly; the four roller pairs, the rear roller pair, the middle and rear roller pairs form a rear drafting zone, the middle and rear roller pairs and the middle and front roller pairs form a middle drafting zone, and the middle and front roller pairs and the front roller pairs form a front drafting zone; the transmission control system comprises two motors, two gear sets, the two motors comprise a first motor and a second motor, the two gear sets comprise a first gear set and a second gear set, the transmission control system and the drafting system are combined to realize single drafting zone drafting multiple adjustable transmission control and double drafting zone drafting distribution adjustable transmission control, wherein the total drafting multiple is changed, the double drafting zone drafting distribution adjustable transmission control is fixed, two of the rollers in the lower rollers of the four roller pairs are motor direct transmission rollers, the two motor direct transmission rollers respectively adopt the first motor and the second motor to directly drive the rotation, one of the rollers in the motor direct transmission rollers is a front lower roller, the two remaining rollers except the two motor direct transmission rollers in the lower rollers of the four roller pairs are gear set indirect transmission rollers, the two rows of gear set indirect transmission rollers are driven and transmitted by a first gear set and a second gear set respectively.
4. A method of spinning according to claim 3, characterised in that: the rear roller pair comprises a rear lower roller and a rear upper rubber roller, the middle rear roller pair comprises a middle rear lower roller and a middle rear upper rubber roller, the middle front roller pair comprises a middle front lower roller and a middle front upper rubber roller, the front roller pair comprises a front lower roller and a front upper rubber roller, the rear lower roller, the middle front lower roller and the front lower roller have the same structure, the rear lower roller, the middle front lower roller and the front lower roller comprise roller shafts, and roller sleeves are fixedly sleeved on the outer circumferences of the roller shafts of the rear lower roller, the middle front lower roller and the front lower roller of each spindle position; the back sizing roller, the middle front sizing roller and the front sizing roller have the same structure, the back sizing roller, the middle front sizing roller and the front sizing roller comprise rubber roller shafts, and rubber roller sleeves are tightly sleeved on the outer circumferences of the rubber roller shafts of the back sizing roller, the middle front sizing roller and the front sizing roller of each spindle position.
5. A method of spinning according to claim 3 or 4, characterised in that: the roller shaft is of a solid cylindrical structure, the roller sleeve and the roller shaft are made of the same material and are both iron or steel, and the roller sleeve and the roller shaft are integrally and fixedly connected; the rubber roll shaft is of a solid cylindrical structure formed by iron materials, and the rubber roll sleeve is made of rubber materials.
6. A method of spinning according to claim 3 or 4, characterised in that: the rear part of the pressurizing assembly is fixed on the platform surface of a spinning frame through a fixed shaft, and the pressurizing assembly can rotate along the fixed shaft, so that the rear gluing roller, the middle and front gluing roller and the front gluing roller are pressed down under certain pressure in the rotating process.
7. A method of spinning according to claim 2, characterised in that: the single drafting zone drafting multiple adjustable transmission control with the total drafting multiple change is adopted, the drafting multiples of the remaining two drafting zones are kept fixed, the transmission control comprises rear drafting zone drafting multiple adjustable transmission control, middle drafting zone drafting multiple adjustable transmission control and front drafting zone drafting multiple adjustable transmission control, the rear drafting zone drafting multiple adjustable transmission control and the front drafting zone drafting multiple adjustable transmission control are adopted, one row of gear set indirect transmission rollers are in transmission connection with one row of adjacent motor direct transmission rollers by adopting a first gear set, the other row of remaining gear set indirect transmission rollers are in transmission connection with one row of gear set indirect transmission rollers by adopting a second gear set, the middle drafting zone drafting multiple adjustable transmission control is adopted, one row of gear set indirect transmission rollers are in transmission connection with one row of adjacent motor direct transmission rollers by adopting a first gear set, the rest gear set indirect drive rollers in the other row are in transmission connection with the rest motor direct drive rollers in the other row by adopting a second gear set.
8. A method of spinning according to claim 2, characterised in that: the double-drafting-zone drafting distribution adjustable transmission control with the changed total drafting multiple is characterized in that the total drafting multiple of the double-drafting-zone is kept fixed, the drafting multiple of the remaining drafting zone is adjustable, and comprises a first back drafting zone drafting distribution adjustable transmission control, a first middle drafting zone drafting distribution adjustable transmission control and a first middle drafting zone drafting distribution adjustable transmission control, wherein two rows of gear set indirect transmission rollers are back lower rollers, the two rows of gear set indirect transmission rollers are connected in a transmission mode through a first gear set, and the back lower rollers are connected in a transmission mode through a second gear set and one row of gear set indirect transmission rollers except the front lower rollers.
9. A method of spinning according to claim 2, characterised in that: the double-drafting-zone drafting distribution adjustable transmission control with fixed total drafting multiple, the total drafting multiple of the double-drafting zone is kept fixed, the drafting multiple of the rest drafting zone is kept fixed, the double-drafting-zone drafting distribution adjustable transmission control comprises a second back-drafting-zone drafting distribution adjustable transmission control and a second middle-drafting-zone drafting distribution adjustable transmission control, the second back-drafting-zone drafting distribution adjustable transmission control and the second middle-drafting-zone drafting distribution adjustable transmission control, wherein the gear set indirect transmission roller of one row is a back lower roller, the back lower roller is in transmission connection with the gear set indirect transmission roller of the rest other row by adopting a first gear set, the gear set indirect transmission roller of the rest other row is in transmission connection with the front lower roller by adopting a second gear set, the drafting distribution adjustable transmission control of the second back-drafting zone and the front drafting zone, the gear set indirect drive rollers of one row are rear lower rollers and are in transmission connection with the front lower rollers by adopting a first gear set, and the gear set indirect drive rollers of the other remaining row are in transmission connection with the motor direct drive rollers of the remaining row by adopting a second gear set.
CN201910159142.5A 2019-03-04 2019-03-04 Four-roller double-motor transmission spinning device and spinning method Active CN109695077B (en)

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CN108930078A (en) * 2018-10-10 2018-12-04 合肥经新纺织科技有限公司 The soft clean Pure Yarn process units of one kind and production method
CN109097882A (en) * 2018-10-08 2018-12-28 合肥经新纺织科技有限公司 A kind of production method of high-elastic composite yarn
CN109137178A (en) * 2018-08-27 2019-01-04 江南大学 A kind of three primary colors fiber secondary colour Spinning process device and production method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006024552A1 (en) * 2006-05-23 2007-11-29 Saurer Gmbh & Co. Kg Textile spinning assembly drafting station and compression unit have individual motors in master/slave relationship with fine adjustment
CN204918931U (en) * 2015-08-12 2015-12-30 江南大学 Various roving apparatus for producing of section
CN109137178A (en) * 2018-08-27 2019-01-04 江南大学 A kind of three primary colors fiber secondary colour Spinning process device and production method
CN109097882A (en) * 2018-10-08 2018-12-28 合肥经新纺织科技有限公司 A kind of production method of high-elastic composite yarn
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