WO2022171095A1 - 环锭纺细纱机的纤维须条输送机构 - Google Patents

环锭纺细纱机的纤维须条输送机构 Download PDF

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Publication number
WO2022171095A1
WO2022171095A1 PCT/CN2022/075570 CN2022075570W WO2022171095A1 WO 2022171095 A1 WO2022171095 A1 WO 2022171095A1 CN 2022075570 W CN2022075570 W CN 2022075570W WO 2022171095 A1 WO2022171095 A1 WO 2022171095A1
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Prior art keywords
roller
cover plate
upper pin
pin cover
spring
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PCT/CN2022/075570
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English (en)
French (fr)
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徐时平
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徐时平
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Publication of WO2022171095A1 publication Critical patent/WO2022171095A1/zh

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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
    • D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
    • 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
    • D01H5/70—Constructional features of drafting elements
    • D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
    • 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
    • D01H5/70—Constructional features of drafting elements
    • D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
    • D01H5/88—Cradles; Tensors

Definitions

  • the invention relates to a conveying mechanism for whiskers of a spinning frame.
  • Chinese patent document CN211227482U discloses a fiber whisker conveying mechanism of a ring spinning frame, which includes a roller block 31, a cradle 9 hinged on the roller block through a cradle holding tube 33 , the roller block 31 is provided with a rear roller shaft 32, a middle roller shaft 3, and a front roller shaft 1 in sequence along the outgoing direction, and the cradle 9 is sequentially provided with a rear roller rubber roller 35, a middle roller rubber roller 4,
  • the front roller rubber roller 30, a lower pin 2 is arranged on the roller pier between the middle roller shaft 3 and the front roller shaft 1, an arc surface is arranged in the middle of the upper surface of the lower pin 2, and an upper pin cover plate assembly is arranged above the lower pin
  • the upper pin cover plate assembly includes the upper pin cover plate 6 with the arc surface that matches the arc surface of the lower pin 2, the endless conveyor belt 7, the cover plate support 13, the tensioning spring 8, the tensioning block 5, and the endless conveyor belt. 7 is sleeved on
  • the rear roller cot 35, the middle roller cot 4, and the front roller cot 30 rotate clockwise, the rear roller shaft 32, the middle roller shaft 3, and the front roller shaft 1 rotate counterclockwise to deliver the yarn to the yarn guide hook.
  • 36 to the steel ring 38 rotate and twist around the spindle tube 37 to form yarn, wherein the roller shaft 3 and the front roller shaft 1 in the rear roller shaft 32 are actively rotating, and the roller rubber roller 4 and the front roller rubber in the rear roller rubber roller 35
  • the roller 30 rotates passively.
  • the rotational speed of the middle roller shaft 3 is 1.1-1.8 times that of the rear roller shaft 32
  • the rotational speed of the front roller shaft 1 is 10-100 times that of the middle roller shaft 3.
  • the speed ratio of the roller rubber roller 4 and the front roller rubber roller 30 is large, and the whiskers change sharply.
  • the upper pin cover plate assembly By setting the upper pin cover plate assembly, the upper pin cover plate 6, the lower pin 2 and the conveyor belt 7 form a stable friction space, so as to control the whiskers. .
  • the above-mentioned fiber whisker conveying mechanism is provided with an upper pin cover plate assembly, so that the maintenance is simple, the maintenance cost and time can be saved, and the drafting power consumption can be reduced. But there are also the following shortcomings:
  • the whiskers require the conveyor belt 7 to run at a constant speed during the drafting process, and the friction pair formed by the middle roller rubber roller 4 and the middle roller shaft 3 drives the conveyor belt 7 to rotate clockwise, which will form an upper pin cover 6 as shown in Figure 2 , Figure 3, Figure 5 shows the tension F, at the same time, the conveyor belt 7 is tightened under the action of the tensioning spring 8 and the tensioning block 5, and this tensioning force will also increase the F tension, as shown in Figure 2.
  • the tension force F will fluctuate when the thickness of the whiskers changes, the cohesion force between the fibers of the whiskers changes suddenly, and the temperature and humidity change, and the fluctuation of the tension force F may exceed the downward pressure of the upper pin cover 6.
  • the head of the upper pin cover 6 will be lifted, the stable gap formed between the upper pin cover 6 and the lower pin 2 will be destroyed, and the yarn quality will be deteriorated.
  • the present invention provides a fiber whisker conveying mechanism of a ring spinning frame, which can ensure the stability of the yarn quality.
  • the fiber whisker conveying mechanism of the ring spinning frame comprises a roller pier and a cradle hinged on the roller pier, and the roller pier is sequentially movable along the outgoing direction.
  • the middle roller, the front roller, and the top of the cradle are arranged in turn along the outlet direction with the middle roller rubber roller and the front roller rubber roller.
  • the roller pier between the middle roller and the front roller is provided with a lower pin, and the middle part of the upper surface of the lower pin is arranged Arc-shaped surface, an upper pin cover plate assembly is arranged above the lower pin, and the upper pin cover plate assembly includes an arc-shaped surface cover plate, an annular conveyor belt, and a tensioner that match the concave and convex of the arcuate surface of the lower pin, and the annular conveyor belt is sleeved on the cover.
  • a downward elastic pressing mechanism is arranged on the head of the upper pin cover plate close to the top roller of the front roller.
  • the downward elastic pressing mechanism includes a leaf spring, one end of the leaf spring is fixed on the cover plate support member on the side close to the front roller rubber roller, and the other end is pressed on the upper pin cover plate close to the front roller rubber. on the head of the roll.
  • the downward elastic pressing mechanism includes an elastic pad, the elastic pad is placed between the cover plate support and the upper pin cover, and the thickness of the elastic pad is greater than the gap between the cover plate support and the upper pin cover .
  • the downward elastic pressing mechanism includes a spring, one end of the spring is fixed on the cover plate support, and the other end is pressed on the head of the upper pin cover plate close to the front roller rubber roller.
  • the downward elastic pressing mechanism includes a spring, and the spring is arranged between the cradle and the head of the upper pin cover plate close to the front roller rubber roller.
  • a spring bracket is installed on the cradle, one end of the spring is fixed on the spring bracket, and the other end is pressed on the head of the upper pin cover plate close to the front roller rubber roller.
  • the present invention has the advantages that: since the head of the upper pin cover plate is close to the front roller rubber roller with a downward elastic pressing mechanism, the tension force generated by the rotation of the endless conveyor belt and the tension spring, The lifting force of the tension block on the head of the upper pin cover plate, therefore, can form a stable gap between the upper pin cover plate, the endless conveyor belt and the lower pin, so that the yarn quality is stable and the accidental drafting is greatly reduced. appearance.
  • FIG. 1 is a schematic diagram of the roving whisker of the fiber whisker conveying mechanism of the existing ring spinning frame being drawn into yarn.
  • FIG. 2 is a schematic diagram of the upward pulling force generated by the whisker conveyor belt of the fiber whisker conveying mechanism of the existing ring spinning frame.
  • Fig. 3 is a schematic diagram of an upward pulling force generated by the whisker conveyor belt of the fiber whisker conveying mechanism of the existing ring spinning frame.
  • Fig. 4 is a schematic diagram of the source of the downward pressure generated by the upper pin cover of the fiber whisker conveying mechanism of the conventional ring spinning frame.
  • Fig. 5 is a schematic diagram of the source of the downward force of the pin cover on the upper pin cover of the fiber whisker conveying mechanism of the existing ring spinning frame and the pulling force on the conveying belt.
  • FIG. 6 is a schematic diagram of a three-dimensional exploded structure in which the head end of the upper pin cover plate of the fiber whisker conveying mechanism is pressurized by a plate spring according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a three-dimensional exploded structure in which the head end of the upper pin cover plate of the fiber whisker conveying mechanism is pressurized by elastic rubber according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a three-dimensional exploded structure in which the head end of the upper pin cover plate of the fiber whisker conveying mechanism according to the embodiment of the present invention adopts spring pressure.
  • FIG. 9 is a schematic diagram of a three-dimensional exploded structure of the head end of the upper pin cover plate of the fiber whisker conveying mechanism according to the embodiment of the present invention using pressure from the cradle.
  • the fiber sliver conveying mechanism of the ring spinning frame includes the roller block 31 and the cradle 9 hinged on the roller block through the cradle holding tube 33.
  • the rear roller shaft 32, the middle roller shaft 3, and the front roller shaft 1 are movably provided, and the cradle 9 is sequentially movably provided with a rear roller rubber roller 35, a middle roller rubber roller 4, and a front roller rubber roller 30 along the outlet direction.
  • a lower pin 2 is arranged on the roller pier between the roller shaft 3 and the front roller shaft 1, an arc surface is arranged in the middle of the upper surface of the lower pin 2, an upper pin cover plate assembly is arranged above the lower pin, and the upper pin cover plate assembly includes and the lower pin. 2.
  • the upper pin cover plate 6, the endless conveyor belt 7, the cover plate support 13, the tightening spring 8, the tightening block 5 with the arc-shaped surface with the matching concave and convex surface, and the endless conveyor belt 7 is sleeved on the upper pin cover plate 6 and On the outer surface of the middle roller rubber roller 4, the cover plate is tightened by the tension spring 8, and the upper pin cover plate assembly is connected to the cradle 9.
  • the upper pin spring 16 and the spring cover 15 are arranged on the cover plate support 13 , the upper pin spring 16 is placed in the spring groove 131 of the cover plate support 13 , and the spring cover 15 is lowered by the cradle 9 .
  • the pressure is transmitted to the cover plate support 13 through the upper pin spring 16, and the upper pin cover 6 is connected to the cover plate support 13 through the hinge block 17 and the hinge block seat 18, so that the upper pin cover 6 obtains a downward pressure, and the upper pin
  • the arc surface of the cover plate 6 and the arc surface of the lower pin 2 form a stable matching gap.
  • a downward elastic pressure mechanism In order to offset the tension force F generated by the rotation of the endless conveyor belt 7 and the tensioning spring 8 and the tensioning block 5 to lift the head of the upper pin cover, a downward elastic pressure mechanism.
  • the following is the specific form of the downward elastic pressing mechanism.
  • the tensioning block 5 is provided with rollers 51 , and the rollers 51 support the endless conveyor belt 7 , so that the endless conveyor belt 7 is conveyed more smoothly, as shown in FIGS. 5 and 6 .
  • a leaf spring 61 is installed between the cover support 13 and the upper pin cover 6 , and one end 611 of the leaf spring 61 is fixed on the cover support 13 on the side close to the front roller cot 30 , the other end 612 is pressed on the head of the upper pin cover 6 close to the front roller rubber roller 30, so that the leaf spring 61 can provide a downward force through the cover support 13 to the upper pin cover 6 to offset the
  • the tension force F generated by the rotation of the conveyor belt and the lifting force of the tensioning spring and tensioning block on the head of the upper pin cover keep the interval between the upper pin cover 6 and the lower pin 2 stable.
  • a rubber elastic pad 62 is installed between the cover support 13 and the upper pin cover 6 .
  • the thickness of the rubber elastic pad 62 is greater than the gap between the cover support 13 and the upper pin cover 6 .
  • the rubber elastic pad 62 can form pressure on the head of the upper pin cover plate 6 near the front roller rubber roller 30 to offset the tension F generated by the rotation of the conveyor belt and the tension spring and tension block on the upper pin cover plate. The lifting force of the head keeps the interval between the upper pin cover 6 and the lower pin 2 stable.
  • a spring 63 is installed between the cover support 13 and the upper pin cover 6 .
  • One end 631 of the spring 63 is fixed on the cover support 13 , and the other end 632 is pressed against the upper pin cover 6 .
  • a spring bracket 64 is installed on the cradle 9, and a spring 65 is arranged between the spring bracket 64 and the upper pin cover 6, one end of the spring 65 is fixed on the spring bracket 64, and the other end is pressed against the upper pin cover On the head of the plate 6 close to the front roller cot 30.

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

Abstract

环锭纺细纱机的纤维须条输送机构，包括罗拉墩（31）、铰接在罗拉墩上的摇架（9），罗拉墩（31）上沿出线方向依次活动设有后罗拉（32）、中罗拉（3）、前罗拉（1），摇架（9）上沿出线方向依次活动设有后罗拉胶辊（35）、中罗拉胶辊（4）、前罗拉胶辊（30），中罗拉（3）和前罗拉（1）之间的罗拉墩上设置下销（2），下销（2）上表面的中部设置弧形面，下销（2）上方设置上销盖板组件，上销盖板组件包括与下销（2）弧形面凹凸相配的弧形面的上销盖板（6）、环形输送带（7）、盖板支撑件（13）和涨紧件，环形输送带（7）套在上销盖板（6）和中罗拉胶辊（4）外表面上；上销盖板（6）靠近前罗拉胶辊（30）的头部上设置向下弹性加压机构，由此可以抵消环形输送带（7）回转产生的拉力和涨紧弹簧（8）、涨紧块（5）对上销盖板（6）头部的抬升力，能够使上销盖板（6）、环形输送带（7）与下销（2）之间形成稳定的间隙，从而使纱线质量稳定，减少意外牵伸。

Description

环锭纺细纱机的纤维须条输送机构 技术领域
本发明涉及纺纱细纱机须条的输送机构。
 背景技术
参考图1-3所示，中国专利文献CN211227482U公开了一种环锭纺细纱机的纤维须条输送机构，其包括罗拉墩31、通过摇架握持管33铰接在罗拉墩上的摇架9，罗拉墩31上沿出线方向依次活动设有后罗拉轴32、中罗拉轴3、前罗拉轴1，摇架9上沿出线方向依次活动设有后罗拉胶辊35、中罗拉胶辊4、前罗拉胶辊30，所述中罗拉轴3、前罗拉轴1之间的罗拉墩上设置下销2，下销2上表面的中部设置弧形面，下销上方设置上销盖板组件，上销盖板组件包括与下销2弧形面凹凸相配的弧形面的上销盖板6、环形输送带7、盖板支撑件13、涨紧弹簧8、涨紧块5，环形输送带7套在上销盖板6和中罗拉胶辊4外表面上，并由涨紧弹簧8涨紧上销盖板6，上销盖板组件连接在摇架9上。
工作时，后罗拉胶辊35、中罗拉胶辊4、前罗拉胶辊30顺时针旋转，后罗拉轴32、中罗拉轴3、前罗拉轴1逆时针旋转，把纱线输送到导纱钩36到钢领38，绕在锭管37旋转加捻形成纱线，其中后罗拉轴32中罗拉轴3、前罗拉轴1为主动旋转，后罗拉胶辊35中罗拉胶辊4、前罗拉胶辊30为被动旋转，一般中罗拉轴3的转速是后罗拉轴32的1.1-1.8倍，前罗拉轴1的转速是中罗拉轴3的10-100倍，粗纱经过牵伸变细，由于中罗拉胶辊4和前罗拉胶辊30速度比大，须条急剧变化，通过设置上销盖板组件使上销盖板6、下销2、输送带7形成稳定摩擦空间，以此控制须条。
上述纤维须条输送机构通过设置上销盖板组件，使其维护简单，能节约维护保养成本和时间，而且减少了牵伸功耗。但也有以下不足：
1.须条在牵伸过程中要求输送带7匀速运行，中罗拉胶辊4和中罗拉轴3形成的摩擦副带动输送带7顺时针旋转，会形成一个对上销盖板6如图2、图3、图5所示的拉力F，同时，输送带7在涨紧弹簧8和涨紧块5作用下涨紧，这个涨紧力也会把F 拉力增大，如图2所示。
2.纺纱过程中，在须条粗细变化、须条各股纤维之间抱合力突变、温湿度变化时该拉力F会波动，拉力F波动有可能会超过上销盖板6的下压力，会使上销盖板6头部抬起，破坏上销盖板6与下销2形成的稳定间隙，引起纱线质量恶化，同时会引起输送带7速度变化而导致纱线质量不稳定。
3.还由于压紧上销盖板6的着力点在输送带7涨紧弹簧8中心，与纺纱过程中输送带6拉力F距离较远，上销盖板6受拉力F拉起时不能提供足够下压力，拉力F波动会使上销盖板6头部抬起，破坏上销盖板6弧面与下销2弧面形成的稳定间隙，导致纱线质量不稳定。
 技术问题
本发明为解决现有技术的上述不足而提供一种环锭纺细纱机的纤维须条输送机构，使其能保证纱线质量的稳定。
 技术解决方案
本发明为解决上述技术问题所采用的技术方案为：环锭纺细纱机的纤维须条输送机构，其包括罗拉墩、铰接在罗拉墩上的摇架，罗拉墩上沿出线方向依次活动设有中罗拉、前罗拉，摇架上沿出线方向依次活动设有中罗拉胶辊、前罗拉胶辊，所述中罗拉和前罗拉之间的罗拉墩上设置下销，下销上表面的中部设置弧形面，下销上方设置上销盖板组件，上销盖板组件包括与下销弧形面凹凸相配的弧形面的盖板、环形输送带、涨紧件，环形输送带套在盖板和中罗拉胶辊外表面上，其特征在于：所述上销盖板靠近前罗拉胶辊的头部上设置向下弹性加压机构。
更具体地，所述向下弹性加压机构包括板簧，板簧的一端固定在盖板支撑件上靠近前罗拉胶辊的一侧上，另一端压在上销盖板的靠近前罗拉胶辊的头部上。
更具体地，所述向下弹性加压机构包括弹性垫，弹性垫置于盖板支撑件和上销盖板之间，弹性垫的厚度大于盖板支撑件和上销盖板之间的间隙。
更具体地，所述向下弹性加压机构包括弹簧，所述弹簧的一端固定在盖板支撑件上，另一端压在上销盖板的靠近前罗拉胶辊的头部上。
更具体地，所述向下弹性加压机构包括弹簧，所述弹簧设置在摇架与上销盖板靠近前罗拉胶辊的头部之间。
更好地，所述摇架上安装弹簧支架，弹簧的一端固定在弹簧支架上，另一端压在上销盖板靠近前罗拉胶辊的头部上。
 有益效果
与现有技术相比，本发明的优点在于：由于上销盖板的头部靠近前罗拉胶辊处设置向下弹性加压机构，可以抵消环形输送带回转产生的拉力和涨紧弹簧、涨紧块对上销盖板头部的抬升力，因此，能够使上销盖板、环形输送带与下销之间形成稳定的间隙，从而使纱线质量稳定，大幅度减少意外牵伸情况的出现。
 附图说明
图1是现有环锭纺细纱机纤维须条输送机构的粗纱须条经过牵伸成为纱线的示意图。
图2是现有环锭纺细纱机纤维须条输送机构须条输送带产生向上拉力的示意图。
图3是现有环锭纺细纱机纤维须条输送机构须条输送带产生向上拉力的示意图。
图4是现有环锭纺细纱机的纤维须条输送机构上销盖板产生下压力的来源示意图。
图5是现有环锭纺细纱机的纤维须条输送机构上销盖板的下压力来源和输送带上拉力示意图。
图6是本发明实施例纤维须条输送机构的上销盖板头端采用板簧加压力的立体分解结构示意图。
图7是本发明实施例纤维须条输送机构的上销盖板头端采用弹性橡胶加压力的立体分解结构示意图。
图8是本发明实施例纤维须条输送机构的上销盖板头端采用弹簧加压力的立体分解结构示意图。
图9是本发明实施例纤维须条输送机构的上销盖板头端采用从摇架上加压力的立体分解结构示意图。
 本发明的实施方式
下面结合附图、实施例对本发明做进一步说明。
如图1-9所示，环锭纺细纱机的纤维须条输送机构，包括罗拉墩31、通过摇架握持管33铰接在罗拉墩上的摇架9，罗拉墩31上沿出线方向依次活动设有后罗拉轴32、中罗拉轴3、前罗拉轴1，摇架9上沿出线方向依次活动设有后罗拉胶辊35、中罗拉胶辊4、前罗拉胶辊30，所述中罗拉轴3、前罗拉轴1之间的罗拉墩上设置下销2，下销2上表面的中部设置弧形面，下销上方设置上销盖板组件，上销盖板组件包括与下销2弧形面凹凸相配的弧形面的上销盖板6、环形输送带7、盖板支撑件13、涨紧弹簧8、涨紧块5，环形输送带7套在上销盖板6和中罗拉胶辊4外表面上，并由涨紧弹簧8涨紧盖板，上销盖板组件连接在摇架9上。
如图4所示，盖板支撑件13上设置上销弹簧16、弹簧罩15，上销弹簧16置于盖板支撑件13的弹簧槽131中，弹簧罩15弹簧罩15被摇架9下压，经过上销弹簧16传递到盖板支撑件13，上销盖板6通过铰接块17和铰接块座18与盖板支撑件13连接，使上销盖板6得到一个下压力，上销盖板6弧面和下销2弧面形成一个稳定配合间隙。
为抵消环形输送带7回转产生拉力F和涨紧弹簧8、涨紧块5对上销盖板头部抬升力，在上销盖板6靠近前罗拉胶辊30的一侧上设置向下弹性施压机构。以下为向下弹性施压机构的具体形式。
上述涨紧块5上设置滚柱51，滚柱51支撑环形输送带7，这样环形输送带7传送更顺畅，见图5、图6。
如图6所示，在盖板支撑件13和上销盖板6之间安装一个板簧61，板簧61的一端611固定在盖板支撑件13上靠近前罗拉胶辊30的一侧上，另一端612压在上销盖板6的靠近前罗拉胶辊30的头部上，这样，板簧61能够通过盖板支撑件13向上销盖板6提供一个向下的力，以抵销输送带回转产生的拉力F和涨紧弹簧、涨紧块对上销盖板头部的抬升力，保持上销盖板6与下销2之间的间隔的稳定。
如图7所示，在盖板支撑件13和上销盖板6之间安装一块橡胶弹性垫62，橡胶弹性垫62的厚度大于盖板支撑件13和上销盖板6之间的间隙，这样，橡胶弹性垫62能够对上销盖板6靠近前罗拉胶辊30处的头部形成压力，以抵销输送带回转产生的拉力F和涨紧弹簧、涨紧块对上销盖板头部的抬升力，保持上销盖板6与下销2之间的间隔的稳定。
如图8所示，在盖板支撑件13和上销盖板6之间安装一个弹簧63，弹簧63的一端631固定在盖板支撑件13上，另一端632压在上销盖板6的靠近前罗拉胶辊30的头部上。
如图9所示，在摇架9上安装一个弹簧支架64，弹簧支架64与上销盖板6之间设置弹簧65，弹簧65的一端固定在弹簧支架64上，另一端压在上销盖板6的靠近前罗拉胶辊30的头部上。

Claims (6)

  1. 环锭纺细纱机的纤维须条输送机构，其包括罗拉墩、铰接在罗拉墩上的摇架，罗拉墩上沿出线方向依次活动设有中下罗拉、前下罗拉，摇架上沿出线方向依次活动设有中上罗拉、前上罗拉，所述中下罗拉和前下罗拉之间的罗拉墩上设置下销，下销上表面的中部设置弧形面，下销上方设置上销盖板组件，上销盖板组件包括与下销弧形面凹凸相配的弧形面的盖板、环形输送带、弹性件，环形输送带套在盖板和中下罗拉外表面上，其特征在于：所述的上销盖板的靠近前上胶辊的头部上设置向下弹性加压机构。
  2. 根据权利要求1所述的环锭纺细纱机的纤维须条输送机构，其特征在于：所述向下弹性加压机构包括板簧，板簧的一端固定在盖板支撑件上靠近前罗拉胶辊的一侧上，另一端压在上销盖板的靠近前罗拉胶辊的头部上。
  3. 根据权利要求1所述的环锭纺细纱机的纤维须条输送机构，其特征在于：所述向下弹性加压机构包括弹性垫，弹性垫置于盖板支撑件和上销盖板之间，弹性垫的厚度大于盖板支撑件和上销盖板之间的间隙。
  4. 根据权利要求1所述的环锭纺细纱机的纤维须条输送机构，其特征在于：所述向下弹性加压机构包括弹簧，所述弹簧的一端固定在盖板支撑件上，另一端压在上销盖板的靠近前罗拉胶辊的头部上。
  5. 根据权利要求1所述的环锭纺细纱机的纤维须条输送机构，其特征在于：向下弹性加压机构包括弹簧，所述弹簧设置在摇架与上销盖板靠近前罗拉胶辊的头部之间。
  6. 根据权利要求5所述的环锭纺细纱机的纤维须条输送机构，其特征在于：所述摇架上安装弹簧支架，弹簧的一端固定在弹簧支架上，另一端压在上销盖板靠近前罗拉胶辊的头部上。
PCT/CN2022/075570 2021-02-09 2022-02-08 环锭纺细纱机的纤维须条输送机构 WO2022171095A1 (zh)

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