Rapid measuring and fine cutting device for polyamide yarns

Abstract

The utility model discloses a quick measuring and fine cutting device for polyamide yarn, which relates to the technical field of polyamide yarn processing, and comprises a base and a cutting component, a clamp is arranged at the left upper end of the base, a graduated scale is arranged in the center of the top of the base, an adjusting component is arranged at the right upper end of the base, a cutting seat is arranged above the adjusting component, and the cutting seat is arranged on the base. The lower end of the left side of the cutting-off base is connected with a pointer, the cutting-off assembly is arranged in the cutting-off base, and the cutting-off assembly comprises a sliding plate, a lifting plate, a sliding rod, a positioning spring, a pressing plate, a spring base, a pressing roller, a cutter and a carrier roller. According to the rapid measuring and fine cutting device for the polyamide yarn, through the arrangement of the cutting assembly, when the polyamide yarn is cut, a lifting plate can move downwards only by pressing a sliding plate downwards, at the moment, due to the fact that the length of a sliding rod is larger than that of a spring seat, a positioning spring pushes a pressing plate to press the right end of the polyamide yarn, and the polyamide yarn is prevented from sliding in the cutting process.

Description

Technical Field

[0001] The utility model relates to the technical field of nylon yarn processing, in particular to a device for rapid measurement and precision cutting of nylon yarn. Background Art

[0002] Nylon yarn is a fiber made of polyamide, which is divided into nylon filament and staple yarn. Nylon filament can be made into stretch yarn, and staple yarn can be blended with cotton and acrylic to improve its strength and elasticity. In addition to its application in clothing and decorations, it is also widely used in industry such as cord, transmission belts, hoses, ropes, fishing nets, etc. When using nylon yarn, it is necessary to measure the length of the nylon yarn before cutting it.

[0003] For example, the utility model with application number CN202022929902.7 discloses a rapid measurement and precision cutting device based on nylon yarn. The utility model uses the mutual cooperation between the bracket, nylon yarn, measuring ruler, clamp, first threaded rod, first rotating block and extrusion block to squeeze and fix the nylon yarn by the clamp and extrusion block, and then rotates the second rotating block to make the slide bar, fixed box, vertical pipe, baffle, second threaded rod, first gear, rotating rod and second gear cooperate with each other, so that the slide bar drives the clamp to move upward, and the nylon yarn moves upward at the same time and is finally straightened, avoiding the traditional manual straightening method, which not only facilitates the operation of the staff, but also reduces the measurement error. However, in the actual use of the device, the first rotating block, the second rotating block and the slide plate need to be operated in sequence to complete the cutting of the nylon yarn, and there are many operating steps, which affects the overall cutting efficiency.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a device for rapid measurement and precision cutting of nylon yarn is provided. Utility Model Content

[0005] The utility model aims to provide a device for rapid measurement and precision cutting of nylon yarns, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for rapid measurement and precision cutting of nylon yarn, comprising a base and a cutting assembly, a clamp is provided at the upper left end of the base, and a scale is arranged in the top center of the base, an adjusting assembly is provided at the upper right end of the base, and a cutting seat is arranged above the adjusting assembly, a pointer is connected to the lower left end of the cutting seat, the cutting assembly is arranged inside the cutting seat, the cutting assembly comprises a slide plate, a lifting plate, a sliding rod, a positioning spring, a pressure plate, a spring seat, a pressure roller, a cutter and a supporting roller, a lifting plate is connected to the bottom of the slide plate, and the sliding rod is slidably connected to the right end of the lifting plate, a positioning spring is sleeved on the outer side of the lower end of the sliding rod, and a pressure plate is connected to the bottom of the positioning spring, a spring seat is arranged in the bottom center of the lifting plate, and a pressure roller is arranged at the lower end of the spring seat, the cutter is fixedly connected to the left side of the lifting plate, and the supporting roller is symmetrically rotatably connected to the inner center of the cutting seat.

[0007] Furthermore, the middle portion of the slide plate is rectangular, and the slide plate is slidably connected to the cutting seat.

[0008] Furthermore, the pressing plate is fixedly connected to the sliding rod, and two sliding rods are symmetrically arranged about the neutral line of the pressing plate.

[0009] Furthermore, the length of the spring seat is shorter than the length of the slide rod, and the length of the cutter is shorter than the length of the spring seat.

[0010] Furthermore, the adjustment component includes a ball and a slide seat, the ball is arranged on the outer side of the right end of the base, and the slide seat is arranged on the outer side of the ball.

[0011] Furthermore, the adjustment component also includes a screw sleeve and a fastener. The screw sleeve is arranged inside one side of the slide seat, and the internal thread of the screw sleeve is connected to the fastener.

[0012] Furthermore, the adjustment assembly also includes an adjustment sleeve, a screw and a guide block. The adjustment sleeve is placed on the top of the slide seat, and the internal thread of the adjustment sleeve is connected to the screw. The front and rear ends of the top of the slide seat are fixedly connected to the guide blocks.

[0013] Furthermore, the screw rod is rotatably connected to the cutting seat, and the cutting seat is slidably connected to the guide block.

[0014] The utility model provides a nylon yarn rapid measurement and precision cutting device, which has the following beneficial effects:

[0015] 1. The utility model sets a cutting component. When cutting nylon yarn, the lifting plate can be moved down by pressing down the slide plate. At this time, since the length of the slide bar is greater than the length of the spring seat, the positioning spring pushes the pressure plate to press the right end of the nylon yarn to prevent the nylon yarn from sliding during cutting. After that, the lifting plate is continuously pressed down, and the spring seat pushes the pressure roller to contact the nylon yarn with the cutter first. At the same time, the elastic force provided by the spring seat is less than the tension threshold when the nylon yarn breaks, so that the nylon yarn can be quickly tightened without breaking. Then the cutter can cut the nylon yarn, so that during operation, it only needs to press down the lifting plate to quickly tighten and cut it. The operation is convenient and conducive to improving the efficiency during cutting.

[0016] 2. The utility model can reduce the friction loss between the base and the slide seat by using the ball bearings through the setting of the adjustment component, and can also make the movement more labor-saving, so as to quickly move the slide seat to the specified position to determine the length of the cutting. After the slide seat is positioned by using the fastener and the screw sleeve, the screw can be rotated. At this time, the guide block will guide the bottom of the cutting seat, so as to fine-tune the horizontal position of the cutting seat, and cooperate with the scale and pointer to make the adjustment more accurate, further improving the accuracy of measuring and cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall front cross-sectional structure of a nylon yarn rapid measurement and precision cutting device of the utility model;

[0018] Figure 2 It is a right side cross-sectional structural schematic diagram of an adjustment component of a nylon yarn rapid measurement and precision cutting device of the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the three-dimensional structure of a cutting seat of a nylon yarn rapid measurement and precision cutting device.

[0020] In the figure: 1, base; 2, clamp; 3, scale; 4, adjustment assembly; 401, ball; 402, slide; 403, screw sleeve; 404, fastener; 405, adjustment sleeve; 406, screw; 407, guide block; 5, cutting seat; 6, pointer; 7, cutting assembly; 701, slide plate; 702, lifting plate; 703, slide rod; 704, positioning spring; 705, pressure plate; 706, spring seat; 707, pressure roller; 708, cutter; 709, roller. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] like Figure 1 and Figure 2 As shown, a rapid measurement and precision cutting device for nylon yarn includes a base 1 and a cutting component 7. A clamp 2 is provided at the upper left end of the base 1, and a scale 3 is placed at the top center of the base 1. An adjustment component 4 is provided at the upper right end of the base 1, and a cutting seat 5 is placed above the adjustment component 4. The adjustment component 4 includes a ball 401 and a slide 402. The ball 401 is provided on the outer side of the right end of the base 1, and the slide 402 is provided on the outer side of the ball 401. The ball 401 can be used to reduce the friction loss between the base 1 and the slide 402, and it can also make the movement more labor-saving. The adjustment component 4 also includes a screw sleeve 403 and a fastener 404. The screw sleeve 403 is placed inside one side of the slide 402, and the internal thread of the screw sleeve 403 is connected with the fastener 404, which can The fastener 404 and the screw sleeve 403 can be used to locate the position of the slide 402. The adjustment component 4 also includes an adjustment sleeve 405, a screw rod 406 and a guide block 407. The top of the slide 402 is provided with an adjustment sleeve 405, and the internal thread of the adjustment sleeve 405 is connected with the screw rod 406. The front and rear ends of the top of the slide 402 are fixedly connected with guide blocks 407. The screw rod 406 is rotatably connected to the cutting seat 5, and the cutting seat 5 is slidably connected to the guide block 407. It only needs to rotate the screw rod 406. At this time, the guide block 407 will guide the bottom of the cutting seat 5, so as to fine-tune the horizontal position of the cutting seat 5. The lower left end of the cutting seat 5 is connected with a pointer 6. The scale 3 and the pointer 6 make the adjustment more accurate, further improving the accuracy of measuring and cutting.

[0023] like Figure 3As shown, the cutting assembly 7 is arranged inside the cutting seat 5, and the cutting assembly 7 includes a slide plate 701, a lifting plate 702, a slide bar 703, a positioning spring 704, a pressure plate 705, a spring seat 706, a pressure roller 707, a cutter 708 and a roller 709. The bottom of the slide plate 701 is connected to the lifting plate 702, and the right end of the lifting plate 702 is slidably connected to the slide bar 703. The middle part of the slide plate 701 is rectangular, and the slide plate 701 is slidably connected to the cutting seat 5, which can prevent the slide plate 701 from tilting during the downward movement. The outer side of the lower end of the slide bar 703 is sleeved with a positioning spring 704, and the bottom of the positioning spring 704 is connected to a pressure plate 705, the pressure plate 705 is fixedly connected to the slide bar 703, and the slide bar 703 is symmetrically arranged with two neutral lines of the pressure plate 705. The positioning spring 704 will push the pressure plate 705 to press the right end of the nylon yarn. A spring seat 706 is arranged in the center of the bottom of the lifting plate 702, and a pressure roller 707 is arranged at the lower end of the spring seat 706. A cutter 708 is fixedly connected to the left side of the lifting plate 702, and a roller 709 is symmetrically connected to the inner center of the cutting seat 5. The roller 709 can guide the nylon yarn to avoid the bending part from being too hard and breaking. The length of the spring seat 706 is less than the length of the sliding rod 703, and the length of the cutter 708 is less than the length of the spring seat 706. The spring seat 706 will push the pressure roller 707 to contact the nylon yarn with the cutter 708 first. At the same time, the elastic force provided by the spring seat 706 is less than the tension threshold when the nylon yarn breaks, so that the nylon yarn can be quickly tightened without breaking.

[0024] In summary, when using the nylon yarn rapid measurement and precision cutting device, firstly according to Figure 1 , Figure 2 and Figure 3 401 and 402. The structure shown in the figure is to first move the slide 402 according to the length of the cutting, at which time the ball 401 will reduce the friction loss between the base 1 and the slide 402. Then, after the position of the slide 402 is positioned by using the fastener 404 and the screw sleeve 403, the screw 406 in the adjusting sleeve 405 is rotated, and the guide block 407 guides the bottom of the cutting seat 5, thereby fine-tuning the horizontal position of the cutting seat 5, and cooperating with the scale 3 and the pointer 6 to make the adjustment more accurate. Then, one end of the acrylic fiber is placed in the clamp 2 for fixing, and then the slide plate 701 is pressed down to move the lifting plate 702 downward, so that the positioning spring 704 pushes the pressing plate 705 to press the right end of the nylon fiber under the limit of the slide bar 703. Finally, as the lifting plate 702 continues to move downward, the spring seat 706 will push the pressure roller 707 to contact the nylon fiber with the cutter 708 first, so that the nylon fiber is quickly tightened, and then the cutter 708 can quickly cut the nylon fiber.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A device for rapid measurement and precision cutting of nylon yarn, comprising a base (1) and a cutting assembly (7), It is characterized in that A clamp (2) is arranged at the upper left end of the base (1), and a scale (3) is arranged at the center of the top of the base (1); an adjustment component (4) is arranged at the upper right end of the base (1), and a cutting seat (5) is arranged above the adjustment component (4); a pointer (6) is connected to the lower left end of the cutting seat (5); the cutting component (7) is arranged inside the cutting seat (5), and the cutting component (7) comprises a slide plate (701), a lifting plate (702), a slide bar (703), a positioning spring (704), a pressure plate (705), a spring seat (706), a pressure roller (707), a cutter (708) and a support roller ( 709), the bottom of the slide plate (701) is connected to a lifting plate (702), and the right end of the lifting plate (702) is slidably connected to a slide rod (703), the lower end of the slide rod (703) is sleeved with a positioning spring (704) on the outside, and the bottom of the positioning spring (704) is connected to a pressure plate (705), a spring seat (706) is arranged at the center of the bottom of the lifting plate (702), and a pressure roller (707) is arranged at the lower end of the spring seat (706), a cutter (708) is fixedly connected to the left side of the lifting plate (702), and a roller (709) is symmetrically rotatably connected to the inner center of the cutting seat (5).

2. A nylon yarn rapid measurement and precision cutting device according to claim 1, It is characterized in that The middle portion of the slide plate (701) is rectangular, and the slide plate (701) is slidably connected to the cutting seat (5).

3. A nylon yarn rapid measurement and precision cutting device according to claim 1, It is characterized in that The pressing plate (705) is fixedly connected to the sliding rod (703), and two sliding rods (703) are symmetrically arranged about the neutral line of the pressing plate (705).

4. A nylon yarn rapid measurement and precision cutting device according to claim 1, It is characterized in that The length of the spring seat (706) is smaller than the length of the slide bar (703), and the length of the cutter (708) is smaller than the length of the spring seat (706).

5. A nylon yarn rapid measurement and precision cutting device according to claim 1, It is characterized in that The adjustment component (4) comprises a ball (401) and a sliding seat (402); the ball (401) is arranged on the outer side of the right end of the base (1), and the sliding seat (402) is arranged on the outer side of the ball (401).

6. A nylon yarn rapid measurement and precision cutting device according to claim 5, It is characterized in that The adjustment component (4) further comprises a screw sleeve (403) and a fastener (404); the screw sleeve (403) is arranged inside one side of the slide seat (402), and the fastener (404) is connected to the inner thread of the screw sleeve (403).

7. A nylon yarn rapid measurement and precision cutting device according to claim 6, It is characterized in that The adjustment assembly (4) further comprises an adjustment sleeve (405), a screw rod (406) and a guide block (407); the adjustment sleeve (405) is arranged on the top of the slide seat (402), and the screw rod (406) is connected to the inner thread of the adjustment sleeve (405); the guide blocks (407) are fixedly connected to the front and rear ends of the top of the slide seat (402).

8. A nylon yarn rapid measurement and precision cutting device according to claim 7, It is characterized in that The screw rod (406) is rotationally connected to the cutting seat (5), and the cutting seat (5) is slidingly connected to the guide block (407).

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