Upper needle cylinder yarn blowing device for knitting machine

Abstract

The utility model relates to the technical field of knitting machines, and discloses an upper needle cylinder yarn blowing device for a knitting machine, which comprises a base, the right side of the bottom of the base is fixedly connected with an air pump, the output end of the air pump is fixedly connected with a telescopic hose, the other end of the telescopic hose is fixedly connected with an air cylinder, and the left side of the air cylinder is fixedly connected with an air nozzle. An air volume adjusting mechanism is arranged at the top of the inflator. In the air flow adjusting mechanism, a crank is rotated to drive a lead screw to rotate, and a lifting plate is limited by a lifting rod when the lead screw rotates and can accurately move up and down. The lifting plate drives the second fixing block, the first fixing block and the adjusting plate to move synchronously, and accurate control over the air outlet amount of the inflator is achieved through the relative position of the adjusting plate and the air outlet groove in the first fixing plate. The design can meet the differential requirements of different yarn materials and weaving processes for the yarn blowing air quantity, and the problem that the yarn is damaged due to too large air quantity or the yarn blowing effect is poor due to too small air quantity is solved.

Description

Technical Field

[0001] This utility model relates to the field of knitting machine technology, specifically to a yarn blowing device for a knitting machine. Background Technology

[0002] In the knitting industry, the yarn feeding and handling at the cylinder of a knitting machine is a crucial link affecting production quality and efficiency. Knitting processes place extremely high demands on the stability and uniformity of the yarn, and the performance of the cylinder blowing device, as the core equipment ensuring smooth yarn flow, directly determines production efficiency and product quality.

[0003] Existing equipment generally suffers from technical bottlenecks in air volume control, making it difficult to accurately adapt to the needs of different production scenarios. When processing soft and low-elasticity natural fiber yarns such as wool and cotton, traditional equipment lacks a refined air volume adjustment mechanism. If the air volume is too large, it can easily damage the fibers on the yarn surface, causing fuzz or even breakage, resulting in holes and defects in the knitted fabric. If the air volume is too small, it cannot effectively disperse the electrostatic adsorption between the yarns, causing the yarns to tangle and knot, forcing the knitting machine to stop frequently for cleaning, which seriously affects the continuity of production. Utility Model Content

[0004] The purpose of this invention is to provide a yarn blowing device for a knitting machine, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a needle cylinder blowing device for a knitting machine, comprising a base, an air pump fixedly connected to the bottom right side of the base, a telescopic hose fixedly connected to the output end of the air pump, an air cylinder fixedly connected to the other end of the telescopic hose, an air nozzle fixedly connected to the left side of the air cylinder, an air volume adjustment mechanism provided at the top of the air cylinder, and an angle adjustment mechanism provided at the top left side of the base.

[0006] The air volume adjustment mechanism includes a fixed frame, which is fixedly connected to the top left side of the air cylinder. A lead screw is provided on the top of the inner wall of the fixed frame, and a crank is fixedly connected to the top of the lead screw. A lifting plate is threadedly connected to the surface of the lead screw. Lifting rods are symmetrically fixedly connected to the bottom of the lifting plate. A first fixed plate is fixedly connected to the left side of the inner wall of the air cylinder. Air outlet slots are equidistantly opened on the right side of the first fixed plate. Guide rods are symmetrically fixedly connected to the upper and lower sides of the inner wall of the air cylinder. Slider blocks are slidably connected to the surfaces of the two guide rods. A first fixed block is fixedly connected to one side of the two sliders. An adjustment plate is fixedly connected equidistantly between the two first fixed blocks. A second fixed block is fixedly connected to the top of the two first fixed blocks.

[0007] Preferably, the top of the inner wall of the fixing frame has a hole, and the surface of the lead screw passes through and is rotatably connected to the hole, and the bottom end of the lead screw is rotatably connected to the top left side of the air cylinder.

[0008] Preferably, the bottom left side of the air cylinder has a hole that matches the lifting rod, and the lifting rod is slidably connected to the hole through the surface of the lifting rod. By limiting the lifting plate, the lifting plate moves up and down with the rotation of the lead screw.

[0009] Preferably, the bottom ends of the two lifting rods are fixedly connected to the top of the second fixing block, and the left side of the adjusting plate is in contact with the right side of the first fixing plate.

[0010] Preferably, the angle adjustment mechanism includes a second fixed plate, which is fixedly connected to the top left side of the base. A servo motor is fixedly connected to the front of the second fixed plate, and a worm gear is fixedly connected to the output end of the servo motor. A rotating shaft is rotatably connected to the bottom left side of the base, and a worm wheel is fixedly connected to the surface of the rotating shaft. A rectangular fixing ring is fixedly connected to the top of the rotating shaft.

[0011] Preferably, the second fixing plate has a hole on its front side that matches the output shaft of the servo motor, and the surface of the output shaft of the servo motor passes through and is rotatably connected to the hole.

[0012] Preferably, the worm gear meshes with the worm wheel, and the outer wall of the air cylinder is fixedly connected to the inner wall of the rectangular fixing ring.

[0013] Compared with the prior art, the present invention provides a yarn blowing device for the upper cylinder of a knitting machine, which has the following advantages:

[0014] The yarn blowing device for this knitting machine features an air volume adjustment mechanism. Turning the crank handle drives the lead screw to rotate, and as the lead screw rotates, the lifting plate is limited by the lifting rod, allowing for precise up-and-down movement. The lifting plate drives the second fixed block, the first fixed block, and the adjusting plate to move synchronously. Precise control of the air volume from the air cylinder is achieved by adjusting the relative position of the air outlet grooves on the first fixed plate. This design can meet the diverse air volume requirements of different yarn materials and knitting processes, avoiding the problems of excessive air volume damaging the yarn or insufficient air volume leading to poor blowing effect. This greatly improves the applicability of the device and the quality stability of knitted products.

[0015] The yarn blowing device on the upper cylinder of this knitting machine uses a servo motor to drive a worm gear, which in turn rotates a rotating shaft. This, in turn, causes a rectangular fixing ring fixed at the top of the shaft to rotate, allowing for flexible adjustment of the air cylinder angle. This design enables rapid adjustment of the blowing angle based on the actual working state of the upper cylinder and the yarn direction, ensuring that the airflow accurately acts on the yarn. This effectively prevents problems such as yarn jamming and tangling, further improving the efficiency and quality of knitting production. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 This is a three-dimensional sectional view of the front of the air cylinder of this utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the first fixing plate and guide rod of this utility model.

[0020] Figure 4 This is a three-dimensional schematic diagram of the angle adjustment mechanism of this utility model.

[0021] In the diagram: 1. Base; 2. Air pump; 3. Telescopic hose; 4. Air cylinder; 5. Air nozzle; 6. Air volume adjustment mechanism; 61. Fixing frame; 62. Lead screw; 63. Crank handle; 64. Lifting plate; 65. Lifting rod; 66. First fixing plate; 67. Air outlet groove; 68. Guide rod; 69. Slider; 611. First fixing block; 612. Adjusting plate; 613. Second fixing block; 7. Angle adjustment mechanism; 71. Second fixing plate; 72. Servo motor; 73. Worm gear; 74. Rotating shaft; 75. Worm wheel; 76. Rectangular fixing ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] This utility model provides the following technical solution: Example 1

[0025] Please see Figure 1-3 This utility model provides a technical solution: a needle cylinder blowing device for a knitting machine, including a base 1, an air pump 2 fixedly connected to the bottom right side of the base 1, a telescopic hose 3 fixedly connected to the output end of the air pump 2, an air cylinder 4 fixedly connected to the other end of the telescopic hose 3, an air nozzle 5 fixedly connected to the left side of the air cylinder 4, an air volume adjustment mechanism 6 provided on the top of the air cylinder 4, and an angle adjustment mechanism 7 provided on the top left side of the base 1.

[0026] The air volume adjustment mechanism 6 includes a fixed frame 61, which is fixedly connected to the top left side of the air cylinder 4. A lead screw 62 is provided on the top of the inner wall of the fixed frame 61. A crank 63 is fixedly connected to the top of the lead screw 62. A lifting plate 64 is threadedly connected to the surface of the lead screw 62. Lifting rods 65 are symmetrically fixedly connected to the bottom of the lifting plate 64. A first fixed plate 66 is fixedly connected to the left side of the inner wall of the air cylinder 4. Air outlet slots 67 are equidistantly opened on the right side of the first fixed plate 66. Guide rods 68 are symmetrically fixedly connected to the upper and lower sides of the inner wall of the air cylinder 4. Sliding blocks 69 are slidably connected to the surfaces of the two guide rods 68. A first fixed block 611 is fixedly connected to one side of the two sliding blocks 69. An adjustment plate 612 is fixedly connected between the two first fixed blocks 611 at equal intervals. A second fixed block 613 is fixedly connected to the top of the two first fixed blocks 611.

[0027] The top of the inner wall of the fixing frame 61 has a hole, and the surface of the lead screw 62 passes through and is rotatably connected to the hole. The bottom end of the lead screw 62 is rotatably connected to the top left side of the air cylinder 4.

[0028] The bottom left side of the air cylinder 4 has a hole that matches the lifting rod 65, and the lifting rod 65 is connected to the hole through the surface and slides up and down. By limiting the lifting plate 64, the lifting plate 64 moves up and down with the rotation of the lead screw 62.

[0029] The bottom ends of the two lifting rods 65 are fixedly connected to the top of the second fixing block 613, and the left side of the adjusting plate 612 is attached to the right side of the first fixing plate 66. Example 2

[0030] Please see Figure 4 Furthermore, based on Embodiment 1, an angle adjustment mechanism 7 was obtained.

[0031] The angle adjustment mechanism 7 includes a second fixed plate 71, which is fixedly connected to the top left side of the base 1. A servo motor 72 is fixedly connected to the front of the second fixed plate 71. A worm gear 73 is fixedly connected to the output end of the servo motor 72. A rotating shaft 74 is rotatably connected to the bottom left side of the base 1. A worm wheel 75 is fixedly connected to the surface of the rotating shaft 74. A rectangular fixing ring 76 is fixedly connected to the top of the rotating shaft 74.

[0032] The second fixing plate 71 has a hole on its front side that matches the output shaft of the servo motor 72, and the surface of the output shaft of the servo motor 72 passes through and is rotatably connected to the hole.

[0033] The worm 73 meshes with the worm wheel 75, and the outer wall of the air cylinder 4 is fixedly connected to the inner wall of the rectangular fixing ring 76.

[0034] In actual operation, when this device is in use, the base 1 serves as the supporting foundation for the entire device, and the air pump 2 fixed on its bottom right side provides compressed air. The airflow output by the air pump 2 is delivered to the air cylinder 4 through the telescopic hose 3. The telescopic hose 3 ensures that the air cylinder 4 can maintain a stable airflow supply even when the angle is adjusted. The air nozzle 5 on the left side of the air cylinder 4 concentrates the airflow and directs it to the yarn part of the needle cylinder on the knitting machine to realize the yarn blowing function. The operator drives the lead screw 62 to rotate by turning the crank handle 63. Since the lead screw 62 is threadedly connected to the lifting plate 64, and the lifting plate 64 slides with the hole at the bottom of the air cylinder 4 through the lifting rod 65, the rotation of the lead screw 62 is converted into the up and down linear motion of the lifting plate 64. The lifting plate 64 drives the second fixed block 613, the first fixed block 611, and the adjusting plate 612 to move synchronously through the lifting rod 65. The adjusting plate 612 is attached to the right side of the first fixed plate 66. By changing the area of ​​the adjusting plate 612 blocking the air outlet groove 67 on the first fixed plate 66, the flow rate of airflow through the air outlet groove 67 in the air cylinder 4 is precisely controlled, ultimately adjusting the amount of air blown out by the nozzle 5. The cooperation of the guide rod 68 and the slider 69 ensures the smooth movement of the adjusting plate 612 and improves the adjustment accuracy. After the servo motor 72 is started, its output shaft drives the worm gear 73 to rotate. The worm wheel 75, which meshes with the worm gear 73, rotates accordingly. The worm wheel 75 is fixed on the rotating shaft 74, thereby driving the rotating shaft 74 to rotate around its own axis. The rectangular fixing ring 76 at the top of the rotating shaft 74 is fixedly connected to the outer wall of the air cylinder 4. Therefore, the rotation of the rotating shaft 74 drives the air cylinder 4 to rotate as a whole, realizing the adjustment of the blowing angle of the nozzle 5. This worm wheel 75 and worm gear 73 transmission structure not only realizes precise angle control, but also uses its self-locking characteristic to ensure that the air cylinder 4 maintains a stable position after adjustment.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A needle cylinder blowing device for a knitting machine, comprising a base (1), characterized in that: An air pump (2) is fixedly connected to the bottom right side of the base (1), a telescopic hose (3) is fixedly connected to the output end of the air pump (2), an air cylinder (4) is fixedly connected to the other end of the telescopic hose (3), an air nozzle (5) is fixedly connected to the left side of the air cylinder (4), an air volume adjustment mechanism (6) is provided on the top of the air cylinder (4), and an angle adjustment mechanism (7) is provided on the top left side of the base (1). The air volume adjustment mechanism (6) includes a fixed frame (61), which is fixedly connected to the top left side of the air cylinder (4). A screw rod (62) is provided on the top of the inner wall of the fixed frame (61). A crank handle (63) is fixedly connected to the top of the screw rod (62). A lifting plate (64) is threadedly connected to the surface of the screw rod (62). A lifting rod (65) is fixedly connected to the bottom of the lifting plate (64) symmetrically. A first fixed plate (66) is fixedly connected to the left side of the inner wall of the air cylinder (4). An air outlet groove (67) is equidistantly opened on the right side of the first fixed plate (66). Guide rods (68) are symmetrically fixedly connected to the upper and lower sides of the inner wall of the air cylinder (4). Slider blocks (69) are slidably connected to the surfaces of the two guide rods (68). A first fixed block (611) is fixedly connected to one side of the two sliders (69). An adjustment plate (612) is fixedly connected between the two first fixed blocks (611) at equal intervals. A second fixed block (613) is fixedly connected to the top of the two first fixed blocks (611).

2. The yarn blowing device for a knitting machine according to claim 1, characterized in that: The top of the inner wall of the fixing frame (61) has a hole, and the surface of the screw (62) is rotatably connected to the hole. The bottom end of the screw (62) is rotatably connected to the top left side of the air cylinder (4).

3. The yarn blowing device for a knitting machine according to claim 1, characterized in that: The bottom left side of the air cylinder (4) has a hole that matches the lifting rod (65), and the surface of the lifting rod (65) is penetrated and slidably connected to the hole. By limiting the lifting plate (64), the lifting plate (64) moves up and down with the rotation of the screw (62).

4. The yarn blowing device for a knitting machine according to claim 1, characterized in that: The bottom ends of the two lifting rods (65) are fixedly connected to the top of the second fixing block (613), and the left side of the adjusting plate (612) is in contact with the right side of the first fixing plate (66).

5. The yarn blowing device for a knitting machine according to claim 1, characterized in that: The angle adjustment mechanism (7) includes a second fixed plate (71), which is fixedly connected to the top left side of the base (1). A servo motor (72) is fixedly connected to the front of the second fixed plate (71). A worm gear (73) is fixedly connected to the output end of the servo motor (72). A rotating shaft (74) is rotatably connected to the bottom left side of the base (1). A worm wheel (75) is fixedly connected to the surface of the rotating shaft (74). A rectangular fixing ring (76) is fixedly connected to the top of the rotating shaft (74).

6. The yarn blowing device for a knitting machine according to claim 5, characterized in that: The second fixing plate (71) has a hole on its front side that matches the output shaft of the servo motor (72), and the surface of the output shaft of the servo motor (72) passes through and is rotatably connected to the hole.

7. The yarn blowing device for a knitting machine according to claim 5, characterized in that: The worm (73) meshes with the worm wheel (75), and the outer wall of the air cylinder (4) is fixedly connected to the inner wall of the rectangular fixing ring (76).

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