A high speed doubling machine defect cutting device
By installing a cutting component and a slider rail structure on a high-speed spinning machine, the problem of yarn deviation during high-speed cutting is solved, achieving stable cutting and efficient production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 邓盛鹏
- Filing Date
- 2025-08-22
- Publication Date
- 2026-06-19
AI Technical Summary
The existing high-speed doubling machine defect-cutting device lacks reliable pre-tensioning and fixing of the yarn when operating at high speed, resulting in skewed cuts, rough edges, missed cuts, and the cutting position deviating from the set trajectory, which affects the quality of yarn and the efficiency of subsequent processes.
A defect-cutting assembly is installed at the rear end of the high-speed spinning machine body, including a hydraulic rod, connecting plate, cutting blade, sliding sleeve, sliding rod, pressing plate, spring and limiting plate, forming a continuous action chain of pressing and cutting. When the hydraulic rod moves down, the pressing plate pre-tensions the yarn, the cutting blade accurately cuts the defective section, and the linear guide structure of the slider and slide rail eliminates lateral sway.
It achieves stable yarn cutting, improves cutting accuracy and consistency, reduces the possibility of defective segments being entangled in the finished product, and improves yarn quality and production efficiency.
Smart Images
Figure CN224377308U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of high-speed parallel line machine technology, specifically a defect-removing device for a high-speed parallel line machine. Background Technology
[0002] High-speed spinning machines are key equipment in the later stages of textile production. They use servo motors to drive multiple sets of tension closed-loop rollers to uniformly combine several yarns into a single strand at high speed. Simultaneously, they can detect tension, hairiness, and yarn breakage online and automatically stop the machine. With the help of PLC centralized control, tension can be digitally set, improving the uniformity of strand strength and production efficiency. They are widely used in high-end sewing thread, tire cord, high-strength industrial yarn and other fields.
[0003] Existing high-speed spinning machines with defect-cutting devices generally use a single-blade instantaneous cutting method. Under high-speed operation, the yarn lacks a reliable pre-tensioning and fixing mechanism. At the moment of blade contact, the yarn rebound or vibration often results in skewed cuts, rough edges, or even missed cuts. This causes defective sections to be not completely removed before being rolled into the finished bobbin. At the same time, due to the limited cantilever or simple chute structure, the guiding rigidity of the reciprocating motion of the blade is insufficient. Under high-frequency impact, it is prone to slight lateral sway, causing the cutting position to deviate from the set trajectory. Consequently, the precision and consistency of defect cutting decrease, ultimately affecting the quality of the yarn and the efficiency of subsequent processes. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a high-speed parallel line machine defect removal device, including a high-speed parallel line machine body, a mounting frame fixedly connected to the rear end of the high-speed parallel line machine body, a defect removal component installed inside the mounting frame, and a support component fixedly connected to the bottom of the high-speed parallel line machine body.
[0005] The cutting assembly includes a hydraulic rod, the output end of which is fixedly connected to a connecting plate. A cutting blade is fixedly connected to the bottom of the connecting plate, and a sliding sleeve is fixedly connected to the top of the connecting plate. A sliding rod is slidably connected inside the sliding sleeve, and a pressing plate is fixedly connected to the bottom of the sliding rod. A spring is fixedly connected to the top of the pressing plate, and a limit plate is fixedly connected to the top of the sliding rod.
[0006] Through the above technical solution, a defect-cutting assembly consisting of a hydraulic rod, connecting plate, cutting blade, sliding sleeve, sliding rod, pressing plate, spring and limiting plate is set inside the mounting frame to form a continuous action chain of "pressing first and then cutting". When the hydraulic rod moves down, the pressing plate pre-tensions the yarn under the action of the spring, and the cutting blade then precisely cuts the defective section.
[0007] As a further improvement to the above solution, the hydraulic rod is installed on the top of the mounting frame, and the output end of the hydraulic rod penetrates through the top of the inner wall of the mounting frame. There are two hydraulic rods, which are symmetrically and evenly distributed around the center of the top of the mounting frame.
[0008] As a further improvement to the above solution, the number of cutting blades is set to two, and the two cutting blades are symmetrically distributed around the center of the bottom of the connecting plate.
[0009] The above technical solution involves symmetrically setting two cutting blades at the bottom of the connecting plate, which can simultaneously cut the yarn during a single downward movement. This allows for the complete separation of coarser or harder yarn defects and the cutting of longer yarns in one go, reducing the need for secondary back-cutting and shortening downtime.
[0010] As a further improvement to the above solution, the slide rod passes through the bottom of the connecting plate and is located below the cutting blade.
[0011] The above technical solution involves inserting a sliding rod through the connecting plate and positioning it below the cutting blade. This ensures that the pressing plate always contacts the yarn before the cutting blade. By storing energy in the spring, a continuous and stable clamping force is formed, preventing the yarn from shaking or springing back during cutting and ensuring cutting accuracy.
[0012] As a further improvement to the above solution, the support assembly includes a support frame, the bottom of which is fixedly connected with a rubber anti-slip pad, and the surface of which is fixedly connected with a triangular reinforcing plate.
[0013] Through the above technical solution, the bottom of the support frame is equipped with rubber anti-slip pads and supplemented with triangular reinforcing plates to increase the friction damping between the whole machine and the ground and the structural rigidity, suppress the vibration and displacement generated during high-speed operation, and provide a stable working platform for the cutting components.
[0014] As a further improvement to the above solution, sliders are fixedly connected to both the left and right ends of the connecting plate, and slide rails are slidably connected to the surface of the sliders.
[0015] By adding sliders at both ends of the connecting plate and sliding them with the slide rail, the thrust of the hydraulic rod is converted into a linear motion in a purely vertical direction, eliminating lateral sway and improving tool life and operational stability.
[0016] As a further improvement to the above solution, the end of the slide rail away from the slider is fixedly connected to the inner wall of the mounting bracket.
[0017] By using the above technical solution, the slide rail is fixed to the inner wall of the mounting bracket, so that the slider-slide rail pair and the mounting bracket form a rigid frame, ensuring that the guiding system does not loosen or deform during high-frequency reciprocating motion.
[0018] Compared with the prior art, the beneficial effects of this utility model are:
[0019] This invention uses a mounting frame fixed at the rear end of a high-speed spinning machine body, and a defect-cutting assembly consisting of a hydraulic rod, connecting plate, cutting blade, sliding sleeve, sliding rod, pressing plate, spring, and limiting plate is set inside the mounting frame. This forms a continuous action chain of pressing followed by cutting. When the hydraulic rod moves downward, the pressing plate pre-tensions the yarn under the action of the spring, and the cutting blade then precisely cuts the defective section, avoiding yarn deviation during the cutting of the defective section.
[0020] This invention uses a linear guide structure for the slider and the slide rail to make the connecting plate move vertically along the slide rail under hydraulic drive. The movement trajectories of the cutting blade and the pressing plate are always kept in the same vertical plane, thereby eliminating lateral swaying and blade deviation. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This is a schematic diagram of the overall rear-end structure of this utility model;
[0023] Figure 3 This is a schematic diagram of the overall bottom structure of this utility model;
[0024] Figure 4 This is a schematic diagram of the overall structure of the defect-cutting component of this utility model;
[0025] Figure 5 This is a schematic diagram of the overall disassembled structure of the defect-cutting component of this utility model.
[0026] In the diagram: 1. High-speed parallel line machine body; 2. Mounting frame; 3. Defect cutting assembly; 31. Hydraulic rod; 32. Connecting plate; 33. Cutting blade; 34. Sliding sleeve; 35. Sliding rod; 36. Pressing plate; 37. Spring; 38. Limiting plate; 4. Support assembly; 41. Support frame; 42. Rubber anti-slip pad; 43. Triangular reinforcing plate; 5. Slider; 6. Slide rail. Detailed Implementation
[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. Example:
[0028] Please combine Figure 1-5The present embodiment of a high-speed parallel line machine defect cutting device includes a high-speed parallel line machine body 1, a mounting frame 2 fixedly connected to the rear end of the high-speed parallel line machine body 1, a defect cutting component 3 installed inside the mounting frame 2, and a support component 4 fixedly connected to the bottom of the high-speed parallel line machine body 1.
[0029] The defect-cutting assembly 3 includes a hydraulic rod 31. A connecting plate 32 is fixedly connected to the output end of the hydraulic rod 31. A cutting blade 33 is fixedly connected to the bottom of the connecting plate 32. A sliding sleeve 34 is fixedly connected to the top of the connecting plate 32. A sliding rod 35 is slidably connected inside the sliding sleeve 34. A pressing plate 36 is fixedly connected to the bottom of the sliding rod 35. A spring 37 is fixedly connected to the top of the pressing plate 36. A limit plate 38 is fixedly connected to the top of the sliding rod 35. When the hydraulic rod 31 is activated, the output end of the hydraulic rod 31 drives the connecting plate 32 to move downward, and simultaneously drives the cutting blade 33 to move downward. Since the pressing plate 36 is located below the cutting blade 33, the bottom of the pressing plate 36 contacts the yarn in advance. At the same time, under the continuous compression of the spring 37, the surface of the yarn is pressed and fixed. The cutting blade 33 continues to move downward until it cuts the surface defect of the yarn.
[0030] Hydraulic rod 31 is installed on the top of mounting frame 2. The output end of hydraulic rod 31 penetrates the top of the inner wall of mounting frame 2. There are two hydraulic rods 31, which are symmetrically and evenly distributed around the top center of mounting frame 2.
[0031] There are two cutting blades 33, which are symmetrically distributed around the bottom center of the connecting plate 32.
[0032] The slide bar 35 passes through the bottom of the connecting plate 32 and is located below the cutting blade 33.
[0033] The support assembly 4 includes a support frame 41, with a rubber anti-slip pad 42 fixedly connected to the bottom of the support frame 41, and a triangular reinforcing plate 43 fixedly connected to the surface of the support frame 41.
[0034] The left and right ends of the connecting plate 32 are fixedly connected to sliders 5, and the surface of the sliders 5 is slidably connected to slide rails 6. The bottom of the rubber anti-slip pad 42 increases the friction with the ground, making the overall high-speed parallel machine body 1 more stable during use.
[0035] The end of the slide rail 6 away from the slider 5 is fixedly connected to the inner wall of the mounting bracket 2.
[0036] The implementation principle of the high-speed doubling machine defect-cutting device in this application embodiment is as follows: When the high-speed doubling machine is performing defect-cutting work, the defective yarn is first collected by the yarn bobbin through the mounting frame 2. When the yarn is too large or the defective line passes under the defect-cutting component 3, the hydraulic rod 31 is activated first. The output end of the hydraulic rod 31 drives the connecting plate 32 to move downward, and simultaneously drives the cutting blade 33 to move downward. Since the pressing plate 36 is located below the cutting blade 33, the bottom of the pressing plate 36 contacts the yarn in advance. At the same time, the surface of the yarn is pressed and fixed under the continuous compression of the spring 37. The cutting blade 33 continues to move downward until the cutting blade 33 cuts the defective position on the surface of the yarn, so as to prevent non-conforming products from being wound onto the yarn bobbin.
[0037] The rubber anti-slip pad 42 and the support frame 41 support the entire high-speed parallel machine body 1. At the same time, the bottom of the rubber anti-slip pad 42 increases the friction with the ground, making the entire high-speed parallel machine body 1 more stable during use.
[0038] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.
Claims
1. A high-speed parallel line machine defect removal device, characterized in that: The machine includes a high-speed parallel line machine body (1), a mounting frame (2) is fixedly connected to the rear end of the high-speed parallel line machine body (1), a defect-cutting component (3) is installed inside the mounting frame (2), and a support component (4) is fixedly connected to the bottom of the high-speed parallel line machine body (1). The cutting assembly (3) includes a hydraulic rod (31), the output end of which is fixedly connected to a connecting plate (32), the bottom of which is fixedly connected to a cutting blade (33), the top of which is fixedly connected to a sliding sleeve (34), the inside of which is slidably connected to a sliding rod (35), the bottom of which is fixedly connected to a pressing plate (36), the top of which is fixedly connected to a spring (37), and the top of which is fixedly connected to a limiting plate (38).
2. The high-speed parallel line machine defect removal device according to claim 1, characterized in that: The hydraulic rod (31) is installed on the top of the mounting frame (2). The output end of the hydraulic rod (31) passes through the top of the inner wall of the mounting frame (2). There are two hydraulic rods (31), which are symmetrically and evenly distributed around the top center of the mounting frame (2).
3. The high-speed parallel line machine defect removal device according to claim 1, characterized in that: The number of the cutting blades (33) is set to two, and the two cutting blades (33) are symmetrically distributed around the bottom center of the connecting plate (32).
4. The high-speed parallel line machine defect removal device according to claim 1, characterized in that: The slide bar (35) passes through the bottom of the connecting plate (32) and is located below the cutting blade (33).
5. A high-speed parallel line machine defect removal device according to claim 1, characterized in that: The support assembly (4) includes a support frame (41), the bottom of which is fixedly connected to a rubber anti-slip pad (42), and the surface of which is fixedly connected to a triangular reinforcing plate (43).
6. The high-speed parallel line machine defect removal device according to claim 1, characterized in that: Both ends of the connecting plate (32) are fixedly connected to sliders (5), and slide rails (6) are slidably connected to the surface of the sliders (5).
7. A high-speed parallel line machine defect removal device according to claim 6, characterized in that: The end of the slide rail (6) away from the slider (5) is fixedly connected to the inner wall of the mounting bracket (2).