A yarn package loading and unloading mechanism for a warp knitting machine

Abstract

This utility model relates to the field of guiding mechanism technology, specifically to a yarn loop loading and unloading mechanism for a warp knitting machine. The yarn loop section comprises several yarn loops, each including a yarn loop cylinder, several T-slots, and several arc-shaped grooves. The yarn loop cylinder holds the warped yarn. The T-slots are radially penetrating within the yarn loop cylinder, and the arc-shaped grooves are located inside the yarn loop cylinder and communicate with the T-slots. This utility model connects multiple yarn loop sections into a single unit by setting protruding posts, arc-shaped grooves, protruding beads, and post holes. The rightmost yarn loop section can be removed by unscrewing a screw in the fixing hole. After removing the rightmost yarn loop section, the other yarn loop sections can rotate around the shaft. Rotating the yarn loop section causes the protruding post to rotate out of the arc-shaped groove and position the limiting part within the T-slot. Pulling the yarn loop section to the right removes it from the shaft. By reversing this method, multiple yarn loop sections can be fixed to the shaft, saving significant time and improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of warp knitting machine technology, and in particular to a yarn loop loading and unloading mechanism for warp knitting machines. Background Technology

[0002] A warp knitting machine mainly consists of a knitting mechanism, a guide bar traverse mechanism, a warp feed mechanism, a take-up and tension mechanism, and a transmission mechanism. During operation, the needle bed, guide bars, sinker bed, and pressure plate of the knitting mechanism work together, moving under the drive of cams or eccentric connecting rods. The guide bar traverse mechanism moves the guide bars laterally according to the fabric structure requirements, placing the warp yarns on the needles. The warp feed mechanism unwinds the warp yarns from the warp beam and feeds them into the knitting zone. The take-up and tension mechanism pulls the fabric out of the knitting zone at a predetermined speed and winds it into a roll. Fabrics knitted by warp knitting machines are soft and elastic, suitable for elastic fabrics such as swimwear and yoga wear.

[0003] Chinese patent application CN201010183981.X describes a biaxial warp knitting machine. It employs a pressure roller positioned above and to the side of the rubber roller. This pressure roller is supported by a pressure roller support assembly and engages with the rubber roller. The pressure roller support assembly includes a bracket and two rollers. One end of the bracket is fixedly connected to the frame of the fiber chopped strand machine, and the two rollers are rotatably mounted on the other end of the bracket, pressing against the pressure roller. This structure allows the cut long fibers, passing through the through-holes of the yarn threading component, to be pressed against the rubber roller by the pressure roller at a certain distance from each other. This ensures that the cut long fibers are more reliably and evenly arranged between the cutter roller and the rubber roller, thus guaranteeing that the cut fiber segments are evenly distributed and accumulated on the conveyor belt of the conveying mechanism. However, the multiple yarn bobbins of this warp knitting machine are independent and fixed to the warp beam individually with screws. When replacing a yarn bobbin, each screw must be unscrewed, replaced, and then screwed back on, consuming a significant amount of time and hindering work efficiency. Utility Model Content

[0004] The main purpose of this utility model is to provide a yarn bobbin loading and unloading mechanism for warp knitting machines, so as to solve the problem in related technologies that there is no reliable connection mechanism between the yarn bobbin and the warp beam, and that over time the yarn bobbin will loosen and fail to rotate synchronously with the warp beam.

[0005] To achieve the above objectives, according to one aspect of the present invention, a yarn loop loading and unloading mechanism for a warp knitting machine is provided, comprising a frame portion, a guide mechanism disposed within the frame portion, and a second guide roller. The second guide roller is rotatably connected to the frame portion and is located below the guide mechanism. The mechanism further comprises: a yarn loop portion, wherein there are several yarn loop portions, each yarn loop portion including a yarn loop cylinder, several T-slots, and several arc-shaped grooves. The yarn loop cylinder is used to hold warped yarn. The T-slots are all radially penetrating within the yarn loop cylinder, and the arc-shaped grooves are all disposed within the yarn loop cylinder and communicate with the T-slots. Several protrusions are provided at the right end of each yarn loop portion, and when two adjacent yarn loop portions are close together, they are connected as a whole by the protrusions.

[0006] The warp beam section is rotatably connected to the frame section and is used to hold the yarn loop tube and drive the yarn loop tube to rotate.

[0007] The limiting part has several parts, all of which are fixedly disposed on the outer ring of the warp beam. After the limiting part moves along the T-groove to the arc-shaped groove, the yarn tube is rotated and the limiting part is stuck in the arc-shaped groove, which is used to restrict the yarn tube to the warp beam.

[0008] The fixing part has several parts, all of which are fixedly located on the right side of the rightmost yarn tube. The fixing part is fixedly connected to the warp beam part by screws. When several yarn tubes are connected as a whole by the protrusions and are all restricted on the warp beam part by the limiting part, the fixing part is fixed to the warp beam part by screws, so that all the yarn tubes on the warp beam part can be fixed on the warp beam part.

[0009] Furthermore, the frame includes a base plate, two upright plates and a groove. The upright plates are conveniently fixed on the left and right sides of the upper surface of the base plate, and the groove is located on the top inner side of the upright plate on the right side.

[0010] Furthermore, the guiding mechanism includes a plurality of first guide rollers, each of which is rotatably disposed between the two upright plates.

[0011] Furthermore, the second guide roller is rotatably positioned at the lower front end between the two vertical plates.

[0012] Furthermore, the yarn loop portion also includes two yarn loop retaining rings and a central hole. The yarn loop retaining rings are respectively fixed at both ends of the yarn loop cylinder. The protrusions are all fixed on the outside of the right yarn loop retaining ring. The central hole passes through the middle of the yarn loop cylinder and the two yarn loop retaining rings and is connected to the T-slot.

[0013] Furthermore, the fixing part includes an arc-shaped locking block and a fixing hole. The arc-shaped locking block is fixedly disposed on the right side of the yarn loop retaining ring on the right side. The arc-shaped locking block is located outside the central hole, and the fixing hole is disposed through the arc-shaped locking block.

[0014] Furthermore, the warp shaft portion includes a warp shaft body, a connecting portion, and a rotating portion. The connecting portion includes an arc-shaped block, a horizontal hole, and a vertical hole. The rotating portion includes a connecting cylinder and a hinge.

[0015] Furthermore, the left end of the shaft is rotatably disposed inside the connecting cylinder, and the right end is fixedly provided with an arc-shaped block, with the vertical hole penetrating through the arc-shaped block.

[0016] Furthermore, the connecting cylinder is hinged inside the left vertical plate and is hinged to the vertical plate, and the horizontal hole is located at the right end of the shaft body.

[0017] Furthermore, the limiting part includes a connecting rod, a connecting block, several protruding posts and several concave holes. One end of the connecting rod is fixedly connected to the shaft body, and the other end is fixedly connected to the connecting block. The protruding posts are all fixedly disposed at the upper and lower ends of the connecting block, and the concave holes are disposed between two adjacent protruding posts.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This invention connects multiple yarn loops into a whole by setting a protruding post, an arc-shaped groove, a protruding stud, and a post hole. The rightmost yarn loop can be removed by simply unscrewing a screw in the fixing hole. After removing the rightmost yarn loop, the other yarn loops can rotate around the shaft. By rotating the yarn loop, the protruding post is rotated out of the arc-shaped groove and the limiting part is positioned in the T-slot. Pulling the yarn loop to the right will remove it from the shaft. By reversing this method, multiple yarn loops can be fixed on the shaft, saving a lot of time and improving work efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0021] Figure 2 This is a schematic diagram of the shaft section structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the limiting part structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the yarn loop structure of this utility model;

[0024] Figure 5 This is a cross-sectional view of the yarn loop portion of this utility model.

[0025] Illustration:

[0026] 1. Frame section; 11. Base plate; 12. Vertical plate; 13. Groove;

[0027] 2. Guiding mechanism;

[0028] 3. Second guide roller;

[0029] 4. Vibrating shaft section; 41. Vibrating shaft body; 42. Connecting cylinder; 43. Hinge; 44. Arc-shaped block; 45. Horizontal hole; 46. Vertical hole;

[0030] 5. Yarn loop section; 51. Yarn loop tube; 52. Yarn loop retaining ring; 53. Protruding bobbin; 54. Center hole; 55. T-slot; 56. Arc-shaped groove;

[0031] 6. Limiting part; 61. Connecting rod; 62. Connecting block; 63. Protruding post; 64. Concave hole;

[0032] 7. Fixing part; 71. Arc-shaped locking block; 72. Fixing hole. Detailed Implementation

[0033] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0034] Please see Figures 1 to 5 This embodiment provides a yarn bobbin loading and unloading mechanism for a warp knitting machine, including a frame part 1, a guide mechanism 2 disposed in the frame part 1, and a second guide roller 3. The second guide roller 3 is rotatably connected to the frame part 1 and is located below the guide mechanism 2.

[0035] It also includes: a yarn loop section 5, which has several yarn loop sections. Each yarn loop section 5 includes a yarn loop cylinder 51, several T-shaped grooves 55 and several arc-shaped grooves 56. The yarn loop cylinder 51 is used to hold the warped yarn. The T-shaped grooves 55 are all radially inserted into the yarn loop cylinder 51. The arc-shaped grooves 56 are all located inside the yarn loop cylinder 51 and are all connected to the T-shaped grooves 55. The right end of the yarn loop section 5 is provided with several protrusions 53. When two adjacent yarn loop sections 5 are close to each other, they are connected into a whole by the protrusions 53.

[0036] The shaft part 4 is rotatably connected to the frame part 1 and is used to hold the yarn tube 51 and drive the yarn tube 51 to rotate.

[0037] There are several limiting parts 6, all of which are fixedly provided on the outer ring of the warp beam part 4. When the yarn loop part 5 moves along the warp beam body 41, the limiting parts 6 move relative to the arc-shaped groove 56. When the limiting parts 6 move along the T-groove 55 to the arc-shaped groove 56, the yarn loop tube 51 is rotated, and the limiting parts 6 are stuck in the arc-shaped groove 56 to restrict the yarn loop tube 51 to the warp beam part 4.

[0038] The fixing part 7, which has several parts, is fixedly located on the right side of the rightmost yarn tube 51. The fixing part 7 is fixedly connected to the warp beam part 4 by screws. When the several yarn tube parts 5 are connected as a whole by the protrusions 53 and are all restricted on the warp beam part 4 by the limiting part 6, the fixing part 7 is fixed to the warp beam part 4 by screws, so that all the yarn tube parts 5 on the warp beam part 4 can be fixed on the warp beam part 4.

[0039] The frame section 1 includes a base plate 11, two upright plates 12 and a groove 13. The upright plates 12 are conveniently fixed on the left and right sides of the upper surface of the base plate 11, and the groove 13 is located on the top of the inner side of the upright plate 12 on the right side.

[0040] The guiding mechanism 2 includes several first guide rollers, each of which is rotatably disposed between two vertical plates 12. Each first guide roller is fixedly provided with a third motor at its end for driving its rotation. The third motor drives the first guide roller to rotate, thus providing initial guidance for the yarn passing through it.

[0041] The second guide roller 3 is rotatably located at the lower front end between the two vertical plates 12. One end of the second guide roller 3 is fixed with a second motor for driving its rotation. When the second guide roller 3 rotates, it guides the yarn again and sends the yarn into the next weaving process.

[0042] The yarn loop section 5 also includes two yarn loop retaining rings 52 and a center hole 54. The yarn loop retaining rings 52 are fixedly disposed at both ends of the yarn loop cylinder 51. The protrusions 53 are all fixedly disposed on the outside of the yarn loop retaining ring 52 on the right side. The center hole 54 is disposed through the middle of the yarn loop cylinder 51 and the two yarn loop retaining rings 52, and is connected to the T-groove 55. The yarn is wound on the yarn loop cylinder 51 and is intercepted by the two yarn loop retaining rings 52 to prevent the yarn from falling off the yarn loop cylinder 51.

[0043] The fixing part 7 includes an arc-shaped locking block 71 and a fixing hole 72. The arc-shaped locking block 71 is fixedly disposed on the right side of the yarn loop retaining ring 52 on the right side. The arc-shaped locking block 71 is located outside the center hole 54, and the fixing hole 72 is disposed through the arc-shaped locking block 71.

[0044] The warp shaft part 4 includes a warp shaft body 41, a connecting part and a rotating part. The connecting part includes an arc-shaped block 44, a horizontal hole 45 and a vertical hole 46. The rotating part includes a connecting cylinder 42 and a hinge 43.

[0045] The shaft 41 is rotatably mounted inside the connecting cylinder 42 at its left end, and an arc-shaped block 44 is fixedly mounted at its right end. A vertical hole 46 is provided through the arc-shaped block 44.

[0046] The connecting cylinder 42 is located inside the left upright plate 12 via a hinge 43 and is hinged to the upright plate 12. When the right end of the warp shaft 41 is lifted, its left end can rotate around the upright plate 12, making it convenient to replace the yarn loop part 5. The horizontal hole 45 is located at the right end of the warp shaft 41.

[0047] The limiting part 6 includes a connecting rod 61, a connecting block 62, a plurality of protrusions 63 and a plurality of recesses 64. One end of the connecting rod 61 is fixedly connected to the shaft body 41, and the other end is fixedly connected to the connecting block 62. The protrusions 63 are all fixedly provided at the upper and lower ends of the connecting block 62, and the recesses 64 are provided between two adjacent protrusions 63.

[0048] A first motor is installed in the vertical plate 12 with groove 13. The output shaft of the first motor has a screw hole. When the arc block 44 presses on the output shaft of the first motor, the screw passes through the vertical hole 46 and the screw hole in sequence. Tightening the screw fixes one end of the shaft body 41 to the output shaft of the first motor.

[0049] The yarn loop retainer 52 on the left side of the yarn loop cylinder 51 has a post hole for accommodating the protruding particles 53.

[0050] Unscrew and pull out the screw in the vertical hole 46, lift the right end of the warp beam 41 upward along the groove 13, rotate the yarn loop part 5 so that the T-slots 55 correspond to the limiting parts 6 respectively and the protrusions 53 face outwards, and put the yarn loop part 5 on the warp beam 41. In the same way, put all the yarn loop parts 5 on the warp beam 41, and insert the protrusions 53 of the left yarn loop part 5 into the corresponding post holes of the left yarn loop retaining ring 52 of the adjacent right yarn loop part 5, and connect the yarn loop parts 5 into a whole; when the arc After the shaped groove 56 is aligned with the corresponding limiting part 6 of the warp beam 41, the yarn loop part 5 is rotated, and the protrusions 63 are rotated into the corresponding arc-shaped grooves 56 respectively. The protrusions 63 restrict the yarn loop part 5 to the warp beam 41 through the arc-shaped grooves 56, preventing the yarn loop part 5 from rotating around the warp beam 41, which would affect the normal extraction of yarn and reduce the quality of textiles. The screws are passed through the fixing hole 72 and the horizontal hole 45 at the right end of the rightmost yarn loop part 5 and tightened to fix the yarn loop part 5 to the warp beam 41. The warp beam 41 is rotated downward along the groove 13 so that the arc-shaped block 44 covers the output shaft of the first motor. Then, the screws are passed through the vertical hole 46 and tightened to fix the warp beam 41 to the output shaft of the first motor.

[0051] By rotating the protruding post 63 into the corresponding arc-shaped groove 56, the yarn loop portion 5 is restricted to the warp beam 41, preventing it from rotating around the warp beam 41. Then, the protruding stud 53 is inserted into the corresponding post hole to connect adjacent yarn loop portions 5, so that multiple yarn loop portions 5 are connected into a whole. Finally, the screw is inserted into the fixing hole 72 and the horizontal hole 45 and tightened to fix the rightmost yarn loop portion 5 onto the warp beam 41. Since each yarn loop portion 5 is connected into a whole by the protruding stud 53 and the post hole, and is restricted to the warp beam 41 by the limiting part 6, the yarn loop portion 5 will not rotate around the warp beam 41. Therefore, all yarn loop portions 5 are fixed on the warp beam 41 and can rotate synchronously with the warp beam 41. By setting the protruding post 63 and the arc-shaped groove 56, and the protruding peg 53 and the post hole, multiple yarn loop parts 5 are connected as a whole. Only one screw in the fixing hole needs to be unscrewed to remove the rightmost yarn loop part. After removing the rightmost yarn loop part, the other yarn loop parts can rotate around the shaft 41. By rotating the yarn loop part 5, the protruding post 63 is rotated out of the arc-shaped groove 56 and the limiting part 6 is located in the T-shaped groove 55. By pulling the yarn loop part 5 to the right, the yarn loop part 5 can be removed from the shaft 41. By reversing the method, multiple yarn loop parts 5 can be fixed on the shaft 41, saving a lot of time and improving work efficiency.

[0052] The first motor is started, and the first motor drives the yarn loop part 5 to rotate through the shaft body 41, releasing the yarn on the yarn loop part 5. The yarn is initially guided by the guide mechanism 2 and then guided again by the second guide roller 3, and enters the next weaving process.

[0053] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A yarn package loading and unloading mechanism for a warp knitting machine, comprising a machine frame portion (1) and a guide mechanism (2) and a second guide roller (3) provided in the machine frame portion (1), the second guide roller (3) being rotatably connected to the machine frame portion (1) and being located below the guide mechanism (2), characterized in that, Also includes: The yarn loop section (5) has several parts. The yarn loop section (5) includes a yarn loop cylinder (51), several T-shaped grooves (55) and several arc-shaped grooves (56). The yarn loop cylinder (51) is used to hold the warped yarn. The T-shaped grooves (55) are all radially inserted into the yarn loop cylinder (51). The arc-shaped grooves (56) are all located inside the yarn loop cylinder (51) and are all connected to the T-shaped grooves (55). The right end of the yarn loop section (5) is provided with several protrusions (53). When two adjacent yarn loop sections (5) are close to each other, they are connected into a whole by the protrusions (53). The warp shaft (4) is rotatably connected to the frame (1) and is used to hold the yarn tube (51) and drive the yarn tube (51) to rotate. The limiting part (6) has several parts, and all of them are fixedly disposed on the outer ring of the warp beam part (4). After the limiting part (6) moves along the T-groove (55) to the arc groove (56), the yarn tube (51) is rotated, and the limiting part (6) is stuck in the arc groove (56) to restrict the yarn tube (51) to the warp beam part (4). The fixing part (7) has several parts, all of which are fixed on the right side of the rightmost yarn tube (51). The fixing part (7) is fixedly connected to the warp beam part (4) by screws. When several yarn tube parts (5) are connected as a whole by the protrusions (53) and are all restricted on the warp beam part (4) by the limiting part (6), the fixing part (7) is fixed on the warp beam part (4) by screws, so that all the yarn tube parts (5) on the warp beam part (4) can be fixed on the warp beam part (4).

2. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 1, characterized in that, The frame part (1) includes a base plate (11), two upright plates (12) and a groove (13). The upright plates (12) are conveniently fixed on the left and right sides of the upper surface of the base plate (11), and the groove (13) is located on the top of the inner side of the upright plate (12) on the right side.

3. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 2, characterized in that, The guiding mechanism (2) includes a plurality of first guide rollers, each of which is rotatably disposed between two vertical plates (12).

4. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 2, characterized in that, The second guide roller (3) is rotatably positioned at the lower front end between the two vertical plates (12).

5. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 1, characterized in that, The yarn loop section (5) also includes two yarn loop retaining rings (52) and a center hole (54). The yarn loop retaining rings (52) are fixed at both ends of the yarn loop cylinder (51). The protrusions (53) are all fixed on the outside of the yarn loop retaining ring (52) on the right side. The center hole (54) is inserted through the middle of the yarn loop cylinder (51) and the two yarn loop retaining rings (52), and is connected to the T-groove (55).

6. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 5, characterized in that, The fixing part (7) includes an arc-shaped locking block (71) and a fixing hole (72). The arc-shaped locking block (71) is fixedly disposed on the right side of the yarn loop retaining ring (52) on the right side. The arc-shaped locking block (71) is located outside the center hole (54). The fixing hole (72) is disposed through the arc-shaped locking block (71).

7. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 2, characterized in that, The warp shaft part (4) includes a warp shaft body (41), a connecting part and a rotating part. The connecting part includes an arc-shaped block (44), a horizontal hole (45) and a vertical hole (46). The rotating part includes a connecting cylinder (42) and a hinge (43).

8. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 7, characterized in that, The left end of the shaft (41) is rotatably disposed inside the connecting cylinder (42), and the right end is fixedly provided with an arc-shaped block (44), and the vertical hole (46) is disposed through the arc-shaped block (44).

9. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 7, characterized in that, The connecting cylinder (42) is located inside the left side upright plate (12) via a hinge (43) and is hinged to the upright plate (12). The horizontal hole (45) is located at the right end of the shaft body (41).

10. The yarn bobbin loading and unloading mechanism for a warp knitting machine according to claim 7, characterized in that, The limiting part (6) includes a connecting rod (61), a connecting block (62), a plurality of protruding posts (63) and a plurality of concave holes (64). One end of the connecting rod (61) is fixedly connected to the shaft body (41), and the other end is fixedly connected to the connecting block (62). The protruding posts (63) are all fixedly disposed at the upper and lower ends of the connecting block (62), and the concave holes (64) are disposed between two adjacent protruding posts (63).

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