Broken fiber yarn detection mechanism

Abstract

The utility model relates to the technical field of fiber yarn breakage detection mechanisms, and provides a fiber yarn breakage detection mechanism which comprises a creel, a plurality of sets of fixing seats are installed on the creel, each set of fixing seats is provided with a limiting groove, a controller box is fixedly installed on the creel, and the controller box is fixedly connected with the creel. A detection device for detecting whether fiber yarns are continuous or not is mounted on the fixed seat, and an adjusting device for adjusting the tightness of the yarns is mounted on the fixed seat. The wheel type sensor is introduced in the fiber yarn guiding process through the porcelain bead, the yarn is pressed on the V-shaped wheel, when the yarn moves, the V-shaped wheel is driven to rotate, after a built-in sensor detects a signal, it is confirmed that the yarn works normally, and when the V-shaped wheel stops rotating and the sensor cannot detect the signal, an alarm is given immediately.

Description

Technical Field

[0001] The utility model relates to the technical field of fiber yarn breakage detection mechanisms, in particular to a fiber yarn breakage detection mechanism. Background Art

[0002] The fiber reinforced composite pultrusion process is a thermosetting composite molding method. The raw materials include a resin matrix and a reinforcing material. After the reinforcing material is mixed with the resin matrix, it enters the mold for heating. After the mold is heated, it is cured and formed, and then the product is pulled out of the mold by a traction machine. As a very important reinforcing material, fiber yarn plays a role in enhancing the strength of the product during curing and molding. Since this process is an online continuous pultrusion, the fiber yarn needs to remain in a continuous state. If the fiber yarn breaks, it will cause quality problems such as insufficient strength, surface powdering, and unsatisfactory straightness in the product. In severe cases, the mold will be blocked and production will be stopped. Therefore, during the working process of the fiber yarn, real-time monitoring of its operating status will help improve product quality and yield rate, and avoid a large number of defective products.

[0003] Most of the warp break detection devices currently used in the textile industry are used. The principle is to concentrate the yarns on the warp break detection device, which can be layered according to the situation. Each layer contains multiple warp break detection sensors. Each layer of warp break detection is equipped with a photoelectric switch. When one or more yarns are broken, the photoelectric switch can detect it and issue an alarm. This warp break detection device can only be used when the yarn is broken at the warp break detection sensor. During the pultrusion process, most of the yarns will break at the mold mouth or pre-forming part. At this time, the yarn at the warp break detection sensor is still in a continuous state, which cannot detect the yarn breakage. Utility Model Content

[0004] To address the deficiencies of the prior art, the present invention provides a fiber yarn break detection mechanism, which solves the problem that when the yarn breaks at the mold mouth or pre-forming part, the yarn at the warp break detection sensor is still in a continuous state, making it unable to detect the yarn break.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A fiber yarn breakage detection mechanism comprises a creel, wherein a plurality of fixed seats are mounted on the creel, each set of the fixed seats having a limit slot, a controller box is fixedly mounted on the creel, a detection device for detecting whether the fiber yarn is continuous is mounted on the fixed seat, and an adjustment device for adjusting the tightness of the yarn is mounted on the fixed seat;

[0007] The detection device comprises a sensor seat slidably mounted in a fixed seat, a sliding groove is provided in the sensor seat, a sliding frame is slidably mounted in the sliding groove, and two symmetrical groups of porcelain beads are fixedly mounted on the sliding frame.

[0008] Preferably, a wheel sensor is rotatably mounted in the sliding frame, and a V-shaped wheel is fixedly mounted on the wheel sensor.

[0009] Preferably, the adjustment device includes a rotating rod rotatably mounted in a fixed seat, a knob is fixedly mounted on one end of the rotating rod, and two symmetrical groups of worm gears are fixedly mounted on the rotating rod.

[0010] Preferably, two groups of threaded rods threadedly connected to the sensor seat are rotatably installed in the fixing seat, and a worm wheel threadedly connected to the worm is fixedly installed on the threaded rod.

[0011] Preferably, two groups of fixing rods slidably connected to the sliding frame are fixedly installed in the sliding groove, and springs are sleeved on the fixing rods.

[0012] Preferably, two symmetrical groups of speakers are fixedly mounted on the fixing seat, two symmetrical groups of No. 1 annular contacts are fixedly mounted in the sliding groove, and two groups of No. 2 annular contacts used in conjunction with the No. 1 annular contacts are fixedly mounted on the bottom of the sliding frame.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model introduces a wheel sensor in the middle of the fiber yarn guiding process through the setting of a detection device through porcelain beads, presses the yarn on the V-shaped wheel, and when the yarn moves, drives the V-shaped wheel to rotate. After the built-in sensor detects the signal, it confirms that the yarn is working normally. When the V-shaped wheel stops rotating, the sensor will immediately alarm after detecting no signal. In order to prevent no alarm, a delay relay is installed in the controller box. The delay relay can be adjusted within the delay time range. When the yarn breaks, the V-shaped wheel stops rotating and the sensor cannot detect any signal. When the delay relay reaches the set delay time, the wheel sensor will alarm.

[0015] 2. The utility model is provided with an adjustment device. By turning the knob, the rotating rod is driven to rotate. The rotation of the rotating rod drives the worm to rotate. The rotation of the worm drives the worm gear to rotate. The rotation of the worm gear drives the threaded rod to rotate in the sensor seat, so that the sensor seat moves downward. When the sensor seat moves downward, the yarn is in a taut state and the sliding frame is kept in its original position as much as possible. The spring is forced to contract. The yarn is in a taut state, which facilitates more accurate detection by the detection device. If the yarn is broken and the detection device does not detect it, the spring will drive the sliding frame to reset, so that the No. 1 annular contact and the No. 2 annular contact are in contact, and the speaker sounds an alarm, thereby greatly improving the accuracy of its detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of the detection device of the utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the regulating device of the utility model;

[0020] Figure 4 This is a schematic diagram of the position relationship between the first annular contact and the sensor seat of the utility model;

[0021] Figure 5 This is a schematic diagram of the positional relationship between the second annular contact and the sliding frame of the utility model.

[0022] In the figure: 1. Yarn rack; 2. Fixed seat; 21. Limiting slot; 3. Controller box; 4. Detection device; 41. Sensor seat; 42. Sliding slot; 43. Sliding frame; 44. Ceramic bead; 45. Wheel sensor; 46. V-shaped wheel; 5. Adjustment device; 51. Rotating rod; 52. Knob; 53. Worm; 54. Threaded rod; 55. Worm gear; 56. Fixed rod; 57. Spring; 6. Speaker; 61. Ring contact No. 1; 62. Ring contact No. 2. DETAILED DESCRIPTION

[0023] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0024] Example 1

[0025] Reference Figure 1-Figure 5, this embodiment proposes a fiber yarn breakage detection mechanism. Through the setting of the detection device, it solves the problem that when the yarn breaks at the mold mouth or the pre-forming part, the yarn is still in a continuous state at the warp break detection sensor, which makes it unable to detect the yarn breakage. The device includes a creel 1, on which multiple groups of fixed seats 2 are installed, and each group of fixed seats 2 is provided with a limit slot 21. A controller box 3 is fixedly installed on the creel 1. The controller box 3 is integrated with multiple delay relays according to the situation to control the delay time of the wheel sensor 45. An indicator light is also installed on the relay control board, and the working state of the wheel sensor 45 can also be judged according to the indicator light on the delay relay. A detection device 4 for detecting whether the fiber yarn is continuous is installed on the fixed seat 2, and an adjustment device 5 for adjusting the tightness of the yarn is installed on the fixed seat 2. Whether the yarn is continuous is detected by the detection device 4, and the tightness of the yarn is adjusted by the adjustment device 5, so that the detection of the detection device 4 is more accurate.

[0026] The detection device 4 includes a sensor base 41 slidably mounted in the fixed base 2, a sliding groove 42 is opened in the sensor base 41, a sliding frame 43 is slidably mounted in the sliding groove 42, two symmetrical sets of porcelain beads 44 are fixedly mounted on the sliding frame 43, a wheel sensor 45 is rotatably mounted in the sliding frame 43, the wheel sensor 45 has an indicator light, which is green during normal production and red during abnormality. The working status can be judged according to the color of the indicator light. A V-shaped wheel 46 is fixedly mounted on the wheel sensor 45, and the porcelain beads 44 are used to introduce the wheel sensor in the middle of the fiber yarn guiding process. The device 45 presses the yarn onto the V-wheel 46. When the yarn moves, the V-wheel 46 is driven to rotate. After the built-in sensor detects the signal, it confirms that the yarn is working normally. When the V-wheel 46 stops rotating, the sensor will immediately alarm after detecting no signal. In order to prevent no alarm, a delay relay is installed in the controller box 3. The delay relay can be adjusted within the delay time range. When the yarn breaks, the V-wheel 46 stops rotating and the sensor cannot detect any signal. When the delay relay reaches the set delay time, the wheel sensor 45 will alarm.

[0027] Example 2

[0028] On the basis of Example 1, the technical solution proposed in Example 1 is used to solve the disadvantage that when the yarn breaks at the mold mouth or pre-forming part, the yarn at the warp break detection sensor is still in a continuous state, making it unable to detect the yarn breakage. Since the detection effect is poor when the yarn is in a loose state.

[0029] Reference Figure 1-Figure 5The adjusting device 5 includes a rotating rod 51 rotatably mounted in the fixed seat 2, a knob 52 is fixedly mounted on one end of the rotating rod 51, two symmetrical groups of worms 53 are fixedly mounted on the rotating rod 51, two groups of threaded rods 54 threadedly connected to the sensor seat 41 are rotatably mounted in the fixed seat 2, a worm wheel 55 threadedly connected to the worm 53 is fixedly mounted on the threaded rod 54, two groups of fixed rods 56 slidably connected to the sliding frame 43 are fixedly mounted in the sliding groove 42, a spring 57 is sleeved on the fixed rod 56, so that the sliding frame 43 can be quickly reset, two symmetrical groups of speakers 6 are fixedly mounted on the fixed seat 2, two symmetrical groups of No. 1 ring contacts 61 are fixedly mounted in the sliding groove 42, and two groups of No. 2 ring contacts 62 used in conjunction with the No. 1 ring contacts 61 are fixedly mounted on the bottom of the sliding frame 43. The contact between the annular contact 61 and the second annular contact 62 causes the speaker 6 to sound an alarm, and turning the knob 52 drives the rotating rod 51 to rotate. The rotation of the rotating rod 51 drives the worm 53 to rotate, and the rotation of the worm 53 drives the worm gear 55 to rotate. The rotation of the worm gear 55 drives the threaded rod 54 to rotate in the sensor seat 41, so that the sensor seat 41 moves downward. When the sensor seat 41 moves downward, the yarn is in a taut state and the sliding frame 43 is kept in its original position as much as possible. The spring 57 is forced to shrink. The yarn is in a taut state, which facilitates more accurate detection by the detection device 4. If the yarn is broken and the detection device 4 does not detect it, the spring 57 will drive the sliding frame 43 to reset, so that the annular contact 61 and the second annular contact 62 are in contact, and the speaker 6 sounds an alarm, which greatly improves the accuracy of its detection.

[0030] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fiber yarn breakage detection mechanism, comprising a yarn rack (1), characterized in that: The creel (1) is provided with a plurality of fixed seats (2), each of which is provided with a limiting slot (21), a controller box (3) is fixedly mounted on the creel (1), a detection device (4) for detecting whether the fiber yarn is continuous is mounted on the fixed seat (2), and an adjustment device (5) for adjusting the tightness of the yarn is mounted on the fixed seat (2); The detection device (4) comprises a sensor seat (41) slidably mounted in a fixed seat (2), a sliding groove (42) being provided in the sensor seat (41), a sliding frame (43) being slidably mounted in the sliding groove (42), and two symmetrical groups of porcelain beads (44) being fixedly mounted on the sliding frame (43).

2. A fiber yarn breakage detection mechanism according to claim 1, characterized in that: A wheel sensor (45) is rotatably mounted in the sliding frame (43), and a V-shaped wheel (46) is fixedly mounted on the wheel sensor (45).

3. A fiber yarn breakage detection mechanism according to claim 2, characterized in that: The adjusting device (5) comprises a rotating rod (51) rotatably mounted in a fixed seat (2), a knob (52) being fixedly mounted on one end of the rotating rod (51), and two symmetrical groups of worm gears (53) being fixedly mounted on the rotating rod (51).

4. A fiber yarn breakage detection mechanism according to claim 3, characterized in that: Two groups of threaded rods (54) threadedly connected to the sensor seat (41) are rotatably mounted in the fixing seat (2), and a worm wheel (55) threadedly connected to the worm (53) is fixedly mounted on the threaded rods (54).

5. The fiber yarn breakage detection mechanism according to claim 4, characterized in that: Two groups of fixed rods (56) slidably connected to the sliding frame (43) are fixedly installed in the sliding groove (42), and springs (57) are sleeved on the fixed rods (56).

6. A fiber yarn breakage detection mechanism according to claim 5, characterized in that: Two symmetrical groups of speakers (6) are fixedly mounted on the fixing seat (2), two symmetrical groups of number one annular contacts (61) are fixedly mounted in the sliding groove (42), and two groups of number two annular contacts (62) used in conjunction with the number one annular contacts (61) are fixedly mounted on the bottom of the sliding frame (43).

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