Chemical fiber four-for-one twisting tension adjusting device and chemical fiber four-for-one twisting spindle

Abstract

The invention discloses a chemical fiber quadruple twisting tension adjusting device which comprises a vertically-arranged fixing pipe, a flyer rotating shaft is inserted into an opening in the upper portion of the fixing pipe, and a vertically-arranged tension adjusting pipe is fixed to the upper portion of the flyer rotating shaft. A yarn guide channel is formed in the tension adjusting pipe, a tension ball seat and a tension ball are arranged in the yarn guide channel, a yarn outlet communicated with the upper portion of the yarn guide channel is formed in the upper portion of the tension adjusting pipe, and a yarn inlet communicated with the lower portion of the yarn guide channel and located on the lower portion of the tension ball seat is formed in the lower portion of the tension adjusting pipe. A pipe cover is arranged on the upper portion of the tension adjusting pipe, a sinking groove is formed in the upper end face of the pipe cover in a protruding mode, a through hole is formed in the center of the sinking groove, a wire guide pipe communicated with the through hole and the wire guide channel in sequence is arranged at a groove opening of the sinking groove, and the wire guide pipe is in running fit with the sinking groove through a bearing. The tension adjusting device for chemical fiber four-for-one twisting is simple in structure and capable of avoiding yarn jumping at the yarn outlet as much as possible.

Description

Technical Field

[0001] The invention relates to a tension regulating device, in particular to a tension regulating device for chemical fiber quadruple twisting on a loom.

[0002] The present invention relates to a spindle, in particular to a chemical fiber four-fold twist spindle Background Art

[0003] In the twisting process of chemical fiber filaments, the strong twist is often more, that is, the twist value added is larger. The twisting of the double twisting machine is currently widely used, that is, the spindle can add two twists in one turn, commonly known as double twisting. Therefore, we look forward to the emergence of machines with higher twisting efficiency, and four-fold twisting is one of them. In the specific use or operation of the four-fold twisting spindle, its balloon tension must be adjusted and controlled, otherwise normal production cannot be carried out. Since the structure and yarn path of the four-fold twisting spindle are quite different from those of the traditional two-fold twisting spindle, its tension adjustment device must be able to adapt to the particularity of this structure and yarn path, that is: the tension adjustment device of the four-fold twisting spindle can be fully combined with the four-fold twisting spindle to form a four-fold twisting machine. For example, a four-twist spindle of chemical fiber filament with a Chinese patent authorization announcement number of CN221822427U and an authorization announcement date of October 11, 2024, the patent discloses a structure in which the existing four-fold twisting spindle and the tension adjustment device are separately set.

[0004] Meanwhile, in the existing loom field, there is no technical inspiration or corresponding solution on how to combine the tension adjustment device of the quadruple twist spindle with the quadruple twist spindle. Summary of the invention

[0005] In order to overcome the deficiencies of the prior art, the present invention provides a tension regulating device for a chemical fiber four-fold twist which has a simple structure and can avoid yarn jumping at a yarn outlet as much as possible.

[0006] The technical solution adopted by the present invention to solve the technical problem is: a tension adjustment device for four-fold twisting of chemical fibers, the tension adjustment device comprising a vertically arranged fixed tube, a liner spindle shaft is inserted into the upper opening of the fixed tube, the liner spindle shaft and the fixed tube form a radially fixed and circumferentially rotating match, and a vertically arranged tension adjustment tube is fixed on the upper part of the liner spindle shaft;

[0007] The tension regulating tube has a yarn guide channel arranged in a vertical direction, one or more tension ball seats are arranged in the yarn guide channel, and a tension ball can be placed on the tension ball seat. The upper part of the tension regulating tube is provided with a yarn outlet connected to the upper part of the yarn guide channel, and the lower part of the tension regulating tube is provided with a yarn inlet connected to the lower part of the yarn guide channel and located at the lower part of the tension ball seat.

[0008] A tube cover is provided at the upper opening of the tension adjustment tube, and a sinking groove is convexly provided on the upper end surface of the tube cover. A through hole connected to the wire guide channel is provided at the center of the sinking groove, and a wire guide tube connected to the through hole and the wire guide channel in sequence is provided at the notch of the sinking groove, and the wire guide tube and the sinking groove are rotatably matched through a bearing.

[0009] The beneficial effects of the present invention are as follows: the tension regulating device applies pressure to the yarn passing through the wire guide channel through the combination of the fixed tube and the tension regulating tube, and the tension on the yarn is changed by adjusting the number, material and other characteristics of the tension balls. The position of the wire guide hole on the wire spacer ring connected to the turntable allows the yarn passing through the wire guide hole to be relatively far away from the yarn inlet of the tension regulating tube, thereby avoiding mutual interference between the two yarns during the double twisting process. Compared with the existing tension regulating device of the four-fold twisting spindle, it has a simple structure, convenient tension adjustment, and a wider range of applications. The wire guide tube rotates in the sinking groove through the rotating shaft. Therefore, when the yarn passes through the yarn outlet and contacts the tube mouth of the wire guide tube, the friction between the wire guide tube and the sinking groove is very small, so the wire guide tube will be driven by the yarn to rotate, thereby dissolving the force on the yarn, thereby avoiding the yarn from jumping, improving the stability of the yarn, and preventing the yarn from jumping and affecting the operation of the loom.

[0010] It is further configured that: a wire support plate is provided at the upper opening of the wire guide tube and is extended outward, and the edge of the wire support plate is bent downward to form a smooth curved surface. The wire support plate and the smooth curved surface can reduce friction when the yarn passes through, and the stability of the yarn is ensured at the same time.

[0011] The invention is further configured as follows: it also includes a turntable sleeved on the tension adjustment tube and fixed to the tension adjustment tube, a wire spacer ring located below the turntable and coaxially arranged with the turntable, the diameter of the wire spacer ring is larger than the diameter of the turntable, a connecting rod for fixing the wire spacer ring and the turntable is arranged between the wire spacer ring and the turntable, and a wire guide hole for the yarn to pass through is opened on the wire spacer ring. By setting the wire spacer ring, the yarn can be guided away from the yarn inlet to avoid interference between the yarns at the two places.

[0012] The invention is further configured as follows: a ring-shaped counterweight block is also included, a boss convexly arranged around the tension adjustment tube is provided on the outer wall of the tension adjustment tube, the counterweight block is sleeved on the tension adjustment tube, and the bottom is mounted on the boss. The counterweight block can increase the weight, thereby increasing the damping effect during rotation.

[0013] It is further configured as follows: a supporting ear for pressing on the upper end face of the fixed tube is convexly provided on the peripheral wall of the liner ingot rotating shaft, a sunken damping groove is provided at a position corresponding to the supporting ear on the upper end face of the fixed tube, a damping plate for contacting the supporting ear and the damping groove is placed in the damping groove, and a plurality of convex points are provided on both sides of the damping plate. By setting the damping plate, the running stability can be adjusted, and the rotation angle can be prevented from deviating during rotation. By changing the material of the damping plate or the size of the convex points on both sides, the damping force when the liner ingot rotating shaft rotates can be changed, so that it can be applied in different environments.

[0014] It is further configured that a bearing is provided between the liner ingot rotating shaft and the inner wall of the fixed tube, so as to reduce the resistance of the liner ingot rotating shaft during rotation, improve the stability during rotation, and avoid the deviation of the angle during rotation.

[0015] In order to overcome the deficiencies of the prior art, the present invention provides a chemical fiber four-for-one twist spindle which has a simple structure and can avoid yarn jumping at a yarn outlet as much as possible.

[0016] The technical solution adopted by the present invention to solve its technical problem is: a chemical fiber four-fold twist spindle, characterized in that it includes a silk supply bobbin, a spindle cup and a tension adjustment device, the tension adjustment device adopts the aforementioned tension adjustment device, and the tension adjustment device is inserted into the pipe opening at the upper part of the silk supply bobbin through the lower part of the fixed tube.

[0017] The beneficial effects of the present invention are as follows: the tension regulating device applies pressure to the yarn passing through the wire guide channel through the combination of the fixed tube and the tension regulating tube, and the tension on the yarn is changed by adjusting the number, material and other characteristics of the tension balls. The position of the wire guide hole on the wire spacer ring connected to the turntable allows the yarn passing through the wire guide hole to be relatively far away from the yarn inlet of the tension regulating tube, thereby avoiding mutual interference between the two yarns during the double twisting process. Compared with the existing tension regulating device of the four-fold twisting spindle, it has a simple structure, convenient tension adjustment, and a wider range of applications. The wire guide tube rotates in the sinking groove through the rotating shaft. Therefore, when the yarn passes through the yarn outlet and contacts the tube mouth of the wire guide tube, the friction between the wire guide tube and the sinking groove is very small, so the wire guide tube will be driven by the yarn to rotate, thereby dissolving the force on the yarn, thereby avoiding the yarn from jumping, improving the stability of the yarn, and preventing the yarn from jumping and affecting the operation of the loom. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of embodiment 1 of the present invention.

[0019] Figure 2 for Figure 1 Enlarged view of part A.

[0020] Figure 3 The figure is a schematic diagram of the assembly of the tube cover and the wire guide tube in the first embodiment of the present invention.

[0021] Figure 4 The figure is a schematic diagram of the assembly of the wire guide tube and the wire supporting plate in the first embodiment of the present invention.

[0022] Figure 5 The figure is a schematic diagram of the structure of the rotating disk, the connecting rod and the wire spacer ring in the first embodiment of the present invention.

[0023] Figure 6 This is a schematic diagram of the structure of the second embodiment of the present invention. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings:

[0025] Embodiment 1: Figures 1 to 5As shown, this embodiment is a tension regulating device A, which includes a vertically arranged fixed tube 1, a liner spindle shaft 2 is inserted at the upper opening of the fixed tube 1, the liner spindle shaft 2 and the fixed tube 1 form a radial fixed and circumferentially rotating match, a bearing 3 is arranged between the liner spindle shaft 2 and the inner wall of the fixed tube 1, and the two realize circumferential rotation with almost no friction between each other through the bearing. A vertically arranged tension regulating tube 6 is fixed on the upper part of the liner spindle shaft 2. A wire guide channel 61 arranged along the vertical direction is opened inside the tension regulating tube 6, one or more tension ball seats 13 are arranged in the wire guide channel 61, and a tension ball 14 that can be placed on the tension ball seat 13, a yarn outlet 611 connected to the upper part of the wire guide channel 61 is arranged at the upper part of the tension regulating tube 6, and a yarn inlet 612 connected to the lower part of the wire guide channel 61 and located at the lower part of the tension ball seat 13 is arranged at the lower part of the tension regulating tube 6. A pipe cover 9 is provided at the upper opening of the tension regulating tube 6. The upper part of the tension regulating tube 6 is provided with an external thread, and the pipe cover 9 has an internal thread, and the two are threadedly fixed. A sinking groove 91 is convexly provided on the upper end surface of the pipe cover 9. A through hole connected to the wire guide channel 61 is provided in the center of the sinking groove 91. A vertically arranged wire guide tube 11 is installed in the sinking groove 91. The wire guide tube 11 and the inner wall of the sinking groove 91 are connected by a bearing. The lower opening of the wire guide tube 11 is connected with the through hole and the wire guide channel 61 in turn. A wire support plate 111 is provided at the upper opening of the wire guide tube 11, which is expanded outward. The edge of the wire support plate 111 is bent downward to form a smooth curved surface. An external thread is provided on the upper part of the lining ingot rotating shaft 2, and an internal thread is provided on the lower part of the tension regulating tube 6. The tension regulating tube 6 and the lining ingot rotating shaft 2 are fixedly connected by threads. In this embodiment, a turntable 5 is also included. The turntable 5 has a hole in the middle. The turntable 5 is sleeved on the tension adjustment tube 6 and clamped between the tension adjustment tube 6 and the lining spindle shaft 2 to achieve the integral fixation of the three. A wire spacer 51 is provided below the turntable 5 and is coaxially arranged with the turntable 5. The diameter of the wire spacer 51 is larger than the diameter of the turntable 5. A connecting rod 52 is provided between the wire spacer 51 and the turntable 5 to fix the wire spacer 51 and the turntable 5. The wire spacer 51 is provided with a wire guide hole 53 for the yarn to pass through. When the spindle is started, the turntable 5 can separate the function of the wire bobbin unwinding wire and the balloon wire.

[0026] In this embodiment, a boss 62 is convexly provided on the outer wall of the tension adjusting tube 6 and is arranged circumferentially around the tension adjusting tube 6. The boss 62 can be used to place a counterweight 8. The counterweight 8 is an annular structure. The counterweight 8 is sleeved on the tension adjusting tube 6 and is just mounted on the boss 62. At the same time, a support ear 21 for pressing on the upper end surface of the fixed tube 1 is convexly provided on the peripheral wall of the liner shaft 2. A sunken damping groove 22 is provided at a position corresponding to the support ear 21 on the upper end surface of the fixed tube 1. A damping plate 4 for contacting the support ear 21 and the damping groove 22 is placed in the damping groove 22. Bosses of different sizes can be provided on both sides of the damping plate 4. When different bosses of the damping plate 4 rotate and contact, different damping effects will be achieved.

[0027] In this embodiment, the tension adjustment is achieved through three aspects. 1. The size and quantity of the tension ball 14 are different. 5-6 different sizes can be set, and different numbers of tension balls can be placed to apply different forces to the thickness of the spring wire diameter inside the wire guide channel 61. 2. By changing the size of the damping plate 4 or the convex points on the two sides of the surface, that is, changing the friction force, the operation of the lining turntable 2 is changed. The damping plate 4 has a variety of specifications to choose from. 3. According to the process requirements, the number of counterweights 8 is increased or decreased to adjust the overall operation of the rotation to meet the process requirements.

[0028] Embodiment 2: Figure 6 As shown, this embodiment includes a wire supply bobbin B, a spindle cup C and a tension adjusting device A. The tension adjusting device A adopts the tension adjusting device in the first embodiment. The tension adjusting device A is inserted into the pipe opening at the upper part of the wire supply bobbin B through the lower part of the fixed tube 1.

[0029] The wire supply bobbin B and spindle cup C in this embodiment can refer to the Chinese patent with patent authorization announcement number CN221822427U. The structure and function of the wire supply bobbin B and spindle cup C disclosed in the patent are consistent with those disclosed in this embodiment, so no further description is given, which can also ensure that those skilled in the art can understand the structure of the wire supply bobbin B and spindle cup C in this embodiment, and their assembly with the tension adjustment device A. Regarding the working principle of the wire supply bobbin B, spindle cup C and tension adjustment device A, reference can be made to the patent with patent authorization announcement number CN221822427U disclosed in the background, so no further description is given in this embodiment.

[0030] During the operation of the chemical fiber four-fold twisting spindle, the yarn tension varies due to the different thickness of the silk thread and the different unwinding states of the silk supply bobbin B. For example, the yarn tension varies with the spindle speed, the yarn tension varies when the unwinding bobbin is full and when it is nearly empty, and the yarn tension varies at the upper and lower ends of the unwinding bobbin. Therefore, the tension adjusting device A of this embodiment is used to control the yarn tension of the four-fold twisting spindle during the twisting process.

Claims

1. A tension adjustment device for four-fold twisting of chemical fibers, characterized in that: The tension adjustment device comprises a vertically arranged fixed tube, an ingot liner shaft is inserted into the upper opening of the fixed tube, the ingot liner shaft and the fixed tube form a radially fixed and circumferentially rotating fit, and a vertically arranged tension adjustment tube is fixed on the upper part of the ingot liner shaft; The tension regulating tube has a yarn guide channel arranged in a vertical direction, one or more tension ball seats are arranged in the yarn guide channel, and a tension ball can be placed on the tension ball seat. The upper part of the tension regulating tube is provided with a yarn outlet connected to the upper part of the yarn guide channel, and the lower part of the tension regulating tube is provided with a yarn inlet connected to the lower part of the yarn guide channel and located at the lower part of the tension ball seat. A tube cover is provided at the upper opening of the tension adjustment tube, and a sinking groove is convexly provided on the upper end surface of the tube cover. A through hole connected to the wire guide channel is provided at the center of the sinking groove, and a wire guide tube connected to the through hole and the wire guide channel in sequence is provided at the notch of the sinking groove, and the wire guide tube and the sinking groove are rotatably matched through a bearing.

2. The tension adjustment device for four-for-one twisting of chemical fibers according to claim 1, characterized in that: A wire supporting plate which is expanded outward is arranged at the upper opening of the wire guide tube, and the edge of the wire supporting plate is bent downward to form a smooth curved surface.

3. The tension adjustment device for four-for-one twisting of chemical fibers according to claim 1, characterized in that: It also includes a turntable which is sleeved on the tension adjusting tube and fixed with the tension adjusting tube, a wire spacer ring which is located below the turntable and coaxially arranged with the turntable, the diameter of the wire spacer ring is larger than the diameter of the turntable, a connecting rod which is used to fix the wire spacer ring and the turntable is provided between the wire spacer ring and the turntable, and a wire guide hole for yarn to pass through is opened on the wire spacer ring.

4. The tension adjustment device for four-for-one twisting of chemical fibers according to claim 1, characterized in that: It also includes an annular counterweight block. The outer wall of the tension adjustment tube is provided with a boss which is circumferentially arranged around the tension adjustment tube. The counterweight block is sleeved on the tension adjustment tube, and the bottom is mounted on the boss.

5. The tension adjustment device for four-for-one twisting of chemical fibers according to claim 1 or 4, characterized in that: A supporting ear for pressing on the upper end face of the fixed tube is convexly provided on the peripheral wall of the liner shaft, and a sunken damping groove is provided at a position corresponding to the supporting ear on the upper end face of the fixed tube, and a damping plate for contacting the supporting ear and the damping groove is placed in the damping groove, and a plurality of protrusions are respectively provided on both side surfaces of the damping plate.

6. The tension adjustment device for four-for-one twisting of chemical fibers according to claim 1, characterized in that: A bearing is arranged between the liner ingot rotating shaft and the inner wall of the fixed tube.

7. A chemical fiber four-for-one twisting spindle, characterized by: It comprises a wire supply bobbin, a spindle cup and a tension regulating device. The tension regulating device adopts the tension regulating device described in any one of claims 1 to 6. The tension regulating device is inserted into the pipe opening at the upper part of the wire supply bobbin through the lower part of the fixed tube.

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