Single-strand yarn difference measuring device for twisted yarn

Abstract

The utility model relates to a single-strand yarn difference measuring device for twisted yarns, which comprises a rack, a front yarn guide assembly arranged at the front end of the rack and a yarn pressing assembly arranged at the tail end of the rack, a yarn inlet and outlet path of the front yarn guide assembly and a yarn inlet and outlet path of the yarn pressing assembly are collinear, and the front yarn guide assembly is used for applying tension to the yarns. The yarn pressing assembly is used for straightening the yarn. Through the yarn pressing assembly and the front yarn guiding assembly, it is guaranteed that the tension of yarn is stable in the straightening process every time, the measuring error is reduced, the straightening speed is high, the measuring efficiency is high, and meanwhile fingers cannot be abraded.

Description

Technical Field

[0001] The utility model relates to a twisted yarn detection device, in particular to a single-strand yarn difference measurement device for twisted yarns. Background Art

[0002] Yarn twisting is a common processing method for multi-strand yarns. It uses twisting equipment to spirally wrap multiple strands of yarn together to form a single yarn. Due to differences in tension during twisting, the yarn lengths can easily vary significantly, affecting the yarn's performance. Therefore, the yarns need to be randomly inspected after twisting. The existing method is to cut yarns of a specific length from the yarn roll, then separate the yarns and align one end of the yarn. The yarn is straightened with fingers and the length difference at the end of each yarn is measured. This method has large measurement errors due to the different pressure applied by each person or each time the yarn is straightened. It also has low test efficiency and can easily cause finger abrasions. Utility Model Content

[0003] In view of the deficiencies in the prior art, the present invention aims to provide a single-strand yarn difference measuring device for twisted yarns.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a single-strand yarn difference measuring device for twisted yarn, comprising a frame, a leading wire assembly arranged at the front end of the frame, and a wire pressing assembly arranged at the rear end of the frame, the inlet and outlet paths of the leading wire assembly and the inlet and outlet paths of the wire pressing assembly are collinear, the leading wire assembly is used to apply tension to the yarn, and the wire pressing assembly is used to straighten the yarn.

[0005] As a further improvement of this design, the wire pressing assembly includes a base, a first guide wheel arranged on the base, and a second guide wheel cooperating with the first guide wheel, and the wheel surface of the first guide wheel is in contact with the wheel surface of the second guide wheel.

[0006] As a further improvement of the present design, the surfaces of the first guide wheel and the second guide wheel are elastic.

[0007] As a further improvement of this design, a movable part with a reset function is provided on the base, and the second guide wheel is rotatably connected to the movable part. The movable part has a first position that makes the second guide wheel and the first guide wheel in a separated state, and the movable part has a second position that makes the second guide wheel and the first guide wheel in a matched position.

[0008] As a further improvement of this design, the movable part is slidably connected to the base, and an elastic part is provided between the movable part and the base. The elastic part applies an elastic force to the movable part, and the elastic force drives the movable part to move from the first position to the second position.

[0009] As a further improvement of the present design, the movable member is provided with a shifting claw for facilitating the movement of the movable member by fingers.

[0010] As a further improvement of this design, the leading wire assembly is located as a wire clamp.

[0011] As a further improvement of the present design, a measuring piece is provided between the leading wire assembly and the wire pressing assembly, and a mark for identifying the difference in yarn length is provided on the measuring piece.

[0012] As a further improvement of the present design, the marks are color blocks arranged along the length direction of the yarn.

[0013] As a further improvement of the present design, a rear wire sleeve is provided between the wire pressing assembly and the measuring piece.

[0014] The beneficial effects of the utility model are as follows: the utility model ensures that the tension of the yarn is stable during each straightening process through the wire pressing component and the leading wire component, reduces measurement errors, has a fast straightening speed, and has high measurement efficiency, and will not scratch fingers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 It is a front perspective structural diagram of the present invention.

[0017] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the present utility model.

[0018] Figure 3 It is a top view schematic diagram of the present utility model.

[0019] Figure 4 This utility model is Figure 3 Schematic diagram of the cross section at the middle AA position.

[0020] In the figure, 1. frame, 2. front wire assembly, 3. measuring part, 4. rear wire sleeve, 5. wire pressing assembly, 50. base, 51. first guide wheel, 52. second guide wheel, 53. pusher claw, 54. elastic part, 55. movable part, 6. mark, 7. base. DETAILED DESCRIPTION

[0021] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The exemplary embodiments and descriptions are only used to explain the present invention but are not intended to limit the present invention. Example

[0022] See Figure 1This embodiment provides a single-strand yarn difference measuring device for twisted yarn, including a frame 1, a leading wire assembly 2 arranged at the front end of the frame 1, and a wire pressing assembly 5 arranged at the rear end of the frame 1. The inlet and outlet paths of the leading wire assembly 2 are colinear with the inlet and outlet paths of the wire pressing assembly 5. The leading wire assembly 2 is used to apply tension to the yarn, and the wire pressing assembly 5 is used to straighten the yarn.

[0023] The wire pressing assembly 5 and the leading wire assembly 2 ensure that the tension of the yarn is stable during each straightening process, reduce measurement errors, increase the straightening speed, and improve measurement efficiency without scratching fingers.

[0024] See Figure 1 In order to improve the smoothness of straightening the yarn and reduce the wear on the yarn, the thread pressing assembly 5 includes a base 50, a first guide wheel 51 arranged on the base 50, and a second guide wheel 52 cooperating with the first guide wheel 51. The wheel surface of the first guide wheel 51 is in contact with the wheel surface of the second guide wheel 52.

[0025] See Figure 1 In order to provide a certain tension on the yarn surface, the surfaces of the first guide wheel 51 and the second guide wheel 52 are elastic. Specifically, the first guide wheel and the second guide wheel can be rubber wheels.

[0026] See Figure 2 In order to facilitate initial threading, a movable part 55 with a reset function is provided on the base 50. The second guide wheel 52 is rotatably connected to the movable part 55. The movable part 55 has a first position that makes the second guide wheel 52 and the first guide wheel 51 separated, and the movable part 55 has a second position that makes the second guide wheel 52 and the first guide wheel 51 in a matched position.

[0027] See Figure 4 In order to facilitate the operation of the second guide wheel position, the movable part 55 is slidably connected to the base 50, and an elastic part 54 is provided between the movable part 55 and the base 50. The elastic part 54 applies an elastic force to the movable part 55, and the elastic force drives the movable part to move from the first position to the second position.

[0028] See Figure 4 In order to facilitate the finger to move the movable part 55 and facilitate operation, the movable part 55 is provided with a finger to facilitate the finger to move the movable part 55.

[0029] See Figure 1 and Figure 2 The leading wire assembly 2 is positioned as a thread clamp, has a simple structure and can provide a certain tension for the yarn.

[0030] See Figure 1 A measuring piece 3 is provided between the leading wire assembly 2 and the wire pressing assembly 5, and a mark 6 for identifying the yarn length difference is provided on the measuring piece 3. It is convenient to measure the length difference of the yarn after straightening.

[0031] See Figure 1 The mark 6 is a color block arranged along the length direction of the yarn, which can more intuitively judge whether the length difference of the yarn is qualified and improve the detection efficiency.

[0032] See Figure 1 A rear wire sleeve 4 is provided between the wire pressing assembly 5 and the measuring piece 3 to facilitate the introduction of the yarn into the wire pressing assembly 5 and prevent the yarn from slipping out of the yarn assembly.

[0033] During use, the yarn ends are aligned and sequentially passed through the leading wire assembly 2, the wire sleeve, and the wire pressing assembly 5. The yarn is then pulled at a constant speed until the first yarn passes through the measuring member 3. The projected length of the yarn that has not passed through the measuring member 3 is then observed to ensure it meets the required length. While the yarn passes through the wire pressing assembly 5, the first and second guide wheels are separated. Suction cup-type feet 7 are provided at the bottom of the frame 1 to facilitate securing the entire device to the testing table during operation.

[0034] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A single yarn difference measuring device for twisted yarn, characterized in that: It includes a frame, a leading wire assembly arranged at the front end of the frame, and a wire pressing assembly arranged at the rear end of the frame. The inlet and outlet paths of the leading wire assembly are colinear with the inlet and outlet paths of the wire pressing assembly. The leading wire assembly is used to apply tension to the yarn, and the wire pressing assembly is used to straighten the yarn.

2. The single yarn difference measuring device for twisted yarn according to claim 1, characterized in that: The wire crimping assembly includes a base, a first guide wheel arranged on the base, and a second guide wheel matched with the first guide wheel, and the wheel surface of the first guide wheel is in contact with the wheel surface of the second guide wheel.

3. The single yarn difference measuring device for twisted yarn according to claim 2, characterized in that: Surfaces of the first guide wheel and the second guide wheel are elastic.

4. The single yarn difference measuring device for twisted yarn according to claim 2, characterized in that: The base is provided with a movable part with a reset function, the second guide wheel is rotatably connected to the movable part, the movable part has a first position that makes the second guide wheel and the first guide wheel in a separated state, and the movable part has a second position that makes the second guide wheel and the first guide wheel in a matched position.

5. The single yarn difference measuring device for twisted yarn according to claim 4, characterized in that: The movable member is slidably connected to the base. An elastic member is provided between the movable member and the base. The elastic member applies elastic force to the movable member, and the elastic force drives the movable member to move from the first position to the second position.

6. The single yarn difference measuring device for twisted yarn according to claim 5, characterized in that: The movable part is provided with a shifting claw which is convenient for fingers to shift the movable part.

7. The single yarn difference measuring device for twisted yarn according to claim 1, characterized in that: The position of the leading wire assembly is a wire clamp.

8. The single-strand yarn difference measuring device for twisted yarn according to claim 1, characterized in that: A measuring piece is provided between the leading wire assembly and the wire pressing assembly, and a mark for identifying the yarn length difference is provided on the measuring piece.

9. The single yarn difference measuring device for twisted yarn according to claim 8, characterized in that: The marks are color blocks arranged along the length direction of the yarn.

10. The single yarn difference measuring device for twisted yarn according to claim 9, characterized in that: A rear wire sleeve is provided between the wire pressing assembly and the measuring piece.

Images