Yarn feeding nozzle convenient to adjust
Through the design of the fixed block and connecting rod, combined with magnet attachment and scale indicator, the problem of cumbersome adjustment of the angle of the guide wheel rod of the yarn feeding nozzle of the large round machine is solved, and convenient and precise adjustment of the guide wheel angle is achieved, reducing yarn friction and yarn breaking.
Patent Information
- Application Number
- CN202422421292.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-08
AI Technical Summary
During the production process of existing large round machine yarn feeding nozzles, the angle adjustment of the guide wheel rod is complicated, and a screwdriver is required to loosen the bolts, resulting in inconvenient adjustment process.
The design of fixing blocks and connecting rods is adopted, and the connection seat is fixed and unfixed through the matching of the table-like structure and notch. Combined with magnet attachment, the angle adjustment is achieved without additional tools, and the precise adjustment reference is provided through the scale marks and indicator arrows.
It realizes convenient adjustment of the guide wheel angle, improves the convenience and accuracy of guide wheel adjustment, reduces yarn friction resistance, and reduces the occurrence of yarn breakage and yarn jamming.
Smart Images
Figure CN223240291U_ABST
Abstract
Description
Technical Field
[0001] The utility model discloses a yarn feeding nozzle which is easy to adjust and belongs to the technical field of textile machinery. Background Art
[0002] Circular knitting machine, scientifically known as circular weft knitting machine, has developed rapidly due to its multiple loop forming systems, high speed, high output, fast pattern change, good fabric quality, few processes and strong product adaptability.
[0003] At present, the existing large circular knitting machine yarn feeder needs to frequently adjust the angle of the guide wheel and the guide wheel rod on the yarn feeder according to different production processes during production, so as to adjust the transmission angle of the yarn. The guide wheel rod and the yarn feeder body are generally fixed by bolts, which means that when adjusting the guide wheel rod, it is necessary to use a screwdriver to loosen the bolts first and then adjust it, and then tighten it again after the adjustment is completed. The adjustment process is cumbersome and inconvenient.
[0004] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content
[0005] The purpose of the utility model is to solve the above-mentioned problem and provide a yarn feeding nozzle which is easy to adjust and has the effect of conveniently adjusting the guide angle of the guide wheel.
[0006] The utility model achieves the above-mentioned purpose through the following technical solutions, including a yarn feeding nozzle body, a yarn guide plate and a mounting seat, the yarn guide plate and the yarn feeding nozzle body are respectively arranged at the upper and lower ends of the mounting seat, the yarn guide plate and the yarn feeding nozzle body are connected to the mounting seat by bolts, the lower end of the yarn feeding nozzle body is provided with a yarn feeding hole, the middle part of the yarn guide plate is bent 90 degrees, and yarn guide holes are provided on the left and right sides of the upper end, the lower end of the yarn feeding nozzle body is provided with a connecting seat on the upper side of the yarn feeding hole, the lower end of the connecting seat is provided with a rotatable guide wheel rod, the guide wheel rod is provided with a guide wheel, and the upper end of the connecting seat is provided with a The nozzle body is connected to a connecting mechanism, the connecting mechanism includes a connecting rod and a fixing block, the connecting seat and the yarn feeding nozzle body are respectively provided with a first connecting hole and a second connecting hole, a limit block is provided at the front end of the connecting rod, the rear end of the connecting rod passes through the first connecting hole and the second connecting hole and extends to the rear side of the yarn feeding nozzle body, the fixing block is detachably arranged in the second connecting hole, the fixing block is a frustum-shaped structure, the rear end of the second connecting hole is a frustum-shaped structure and the rear side is an end with a larger diameter, a through hole for the connecting rod to pass through is provided in the center of the fixing block, and a notch connected to the through hole is provided on the side of the fixing block.
[0007] By adopting the above technical solution, the mounting seat is used to connect the yarn feeder and the circular knitting machine, and the yarn guide hole on the yarn guide plate is used to guide the yarn to the knitting needle to avoid the yarn from being entangled and knotted during the transmission process. After the connecting rod is inserted into the first connecting hole and the second connecting hole, the fixing block is inserted from the rear side of the second connecting hole, so that the connecting rod passes through the through hole in the center of the fixing block. The rear end of the fixing block and the second connecting hole is a truncated cone structure, so that when the fixing block moves into the second connecting hole again, the fixing block will tighten from the notch to the center to clamp and fix the connecting rod, so that the fixing seat can be fixed by the fixing block and the limit block at the front end of the connecting rod. When the angle of the guide wheel rod needs to be adjusted, it can be completed by rotating the connecting seat, and moving the fixing block outward can release the fixation of the connecting seat, so that the angle of the guide wheel rod can be adjusted without additional tools.
[0008] Preferably, a first magnet is provided at the end with a smaller diameter of the fixing block, and a second magnet attracted to the first magnet is provided at the end with a smaller diameter of the truncated cone-shaped structure of the second connecting hole of the yarn feeding nozzle body.
[0009] By adopting the above technical solution and arranging the first magnet and the second magnet, the connection between the fixing block and the yarn feeding nozzle body is made more stable, thereby improving the fixing effect of the fixing block on the connecting rod.
[0010] Preferably, an annular protrusion is provided on the outer side of the end of the fixing block with a larger diameter.
[0011] By adopting the above technical solution and providing the annular protrusion, the force points of the fixing block are increased, so that the user can install and remove the fixing block more conveniently.
[0012] Preferably, the yarn feeding nozzle body is provided with a scale line outside the first connecting hole, and the connecting seat is provided with an indicating arrow corresponding to the scale line.
[0013] By adopting the above technical solution, a visual method is provided to accurately adjust the angle of the guide wheel rod through the setting of scale lines and indicator arrows. The user can intuitively monitor and adjust the yarn feeding angle to improve the accuracy of yarn feeding.
[0014] Preferably, the lower end of the yarn feeding nozzle body is a right-angled trapezoidal structure.
[0015] By adopting the above technical solution and the design of the right-angle trapezoidal structure, the streamline of the yarn feeding nozzle is optimized and the occurrence of yarn jamming is reduced.
[0016] Preferably, the yarn feeding nozzle body is provided with arc-shaped chamfers at both the front and rear ends of the yarn feeding hole.
[0017] By adopting the above technical solution and setting the arc-shaped chamfer, the friction resistance of the yarn in the process of passing through the yarn feeding hole is reduced, the friction force of the yarn in the transmission process is reduced, and the occurrence of yarn breakage is prevented.
[0018] Compared with the prior art, the beneficial effects of the present invention are:
[0019] Firstly, the design of the frustum-shaped structure and the notch of the fixing block enables the cooperation between the fixing block and the limit block to fix the connecting rod, and then fix the connecting seat connected to the guide wheel rod. After removing the fixing block, the fixation of the connecting rod and the connecting seat can be released, and the guide wheel angle can be adjusted, thereby improving the convenience of guide wheel adjustment.
[0020] Secondly, the attraction between the first magnet and the second magnet further improves the fixing effect of the fixing block, ensures the stability of the connection of the connecting seat, and improves the convenience of installing the fixing block;
[0021] Thirdly, the right-angled trapezoidal structure and arc-shaped chamfer at the lower end of the yarn feeding nozzle body not only optimize the streamline of yarn feeding and reduce the friction resistance of yarn during feeding, but also make the yarn feeding smoother and reduce yarn breakage and yarn jamming.
[0022] Fourthly, the scale lines on the yarn feeder body and the indicator arrows on the connecting seat provide users with intuitive adjustment references, making the adjustment process more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a structural diagram of a yarn feeding nozzle that is easy to adjust;
[0024] Figure 2 This is a front view of a yarn feeder that is easy to adjust;
[0025] Figure 3 A partial cross-sectional view of a yarn feeder that is easy to adjust;
[0026] Figure 4 The figure is a schematic diagram of a fixed block structure of a yarn feeding nozzle which is easy to adjust.
[0027] Figure numerals: 1, yarn feeding nozzle body; 2, yarn guide plate; 3, mounting seat; 4, yarn feeding hole; 5, yarn guide hole; 6, connecting seat; 7, guide wheel rod; 8, guide wheel; 9, connecting rod; 10, fixing block; 11, through hole; 12, notch; 13, first magnet; 14, second magnet; 15, protrusion; 16, scale line; 17, limit block. DETAILED DESCRIPTION
[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0029] A yarn feeder that is easy to adjust, such as Figures 1-4As shown, it includes a yarn feeding nozzle body 1, a yarn guide plate 2 and a mounting seat 3. The yarn guide plate 2 and the yarn feeding nozzle body 1 are respectively arranged at the upper and lower ends of the mounting seat 3. The yarn guide plate 2 and the yarn feeding nozzle body 1 are connected to the mounting seat 3 by bolts. A yarn feeding hole 4 is provided at the lower end of the yarn feeding nozzle body 1. The middle part of the yarn guide plate 2 is bent 90 degrees and yarn guide holes 5 are provided on the left and right sides of the upper end. The mounting seat 3 is used for connecting the yarn feeding nozzle and the large circular knitting machine, and the yarn guide holes 5 on the yarn guide plate 2 are used to guide the yarn to be transmitted to the knitting needle to avoid the yarn from being entangled during the transmission process. The yarn feeding nozzle body 1 is provided with a connecting seat 6 at the upper side of the yarn feeding hole 4 at the lower end of the connecting seat 6, a rotatable guide wheel rod 7 is provided at the lower end of the connecting seat 6, and a guide wheel 8 is provided on the guide wheel rod 7. The upper end of the connecting seat 6 is provided with a connecting mechanism for connecting with the yarn feeding nozzle body 1, and the connecting mechanism includes a connecting rod 9 and a fixing block 10. The connecting seat 6 and the yarn feeding nozzle body 1 are respectively provided with a first connecting hole and a second connecting hole. A limit block 17 is provided at the front end of the connecting rod 9, and the rear end of the connecting rod 9 passes through the first connecting hole and the second connecting hole and extends to the yarn feeding nozzle body On the rear side of the body 1, the fixed block 10 is detachably arranged in the second connecting hole. The fixed block 10 is a truncated cone-shaped structure. The rear end of the second connecting hole is a truncated cone-shaped structure and the rear side is the end with a larger diameter. A through hole 11 for the connecting rod 9 to pass through is opened in the center of the fixed block 10. A notch 12 connected to the through hole 11 is opened on the side of the fixed block 10. After the connecting rod 9 is inserted into the first connecting hole and the second connecting hole, the fixed block 10 is inserted from the rear side of the second connecting hole so that the connecting rod 9 passes through the through hole 11 in the center of the fixed block 10, and the fixed block 10 and the first connecting hole are connected. The design of the frustum-shaped structure at the rear end of the second connecting hole enables the fixing block 10 to be tightened toward the center from the notch 12 when it moves into the second connecting hole, thereby clamping and fixing the connecting rod 9. The fixing block 10 and the limit block 17 at the front end of the connecting rod 9 can complete the fixation of the connecting seat 6. When the angle of the guide wheel rod 7 needs to be adjusted, it can be completed by rotating the connecting seat 6, and moving the fixing block 10 outward can release the fixation of the connecting seat 6, thereby achieving the effect of adjusting the angle of the guide wheel rod 7 without additional tools.
[0030] A first magnet 13 is provided at the end with a smaller diameter of the fixing block 10, and a second magnet 14 that is attracted to the first magnet 13 is provided at the end with a smaller diameter of the truncated cone-shaped structure of the second connecting hole of the yarn feeding nozzle body 1. Through the arrangement of the first magnet 13 and the second magnet 14, the connection between the fixing block 10 and the yarn feeding nozzle body 1 is more stable, thereby improving the fixing effect of the fixing block 10 on the connecting rod 9. An annular protrusion 15 is provided on the outer side of the end with a larger diameter of the fixing block 10. By providing the annular protrusion 15, the force points of the fixing block 10 are increased, so that the user can more conveniently install and disassemble the fixing block 10.
[0031] The yarn feeding nozzle body 1 is provided with a scale line 16 on the outside of the first connecting hole, and an indicator arrow corresponding to the scale line 16 is provided on the connecting seat 6. Through the setting of the scale line 16 and the indicator arrow, a visual method is provided to accurately adjust the angle of the guide wheel rod 7. The user can intuitively monitor and adjust the yarn feeding angle to improve the accuracy of yarn feeding. The lower end of the yarn feeding nozzle body 1 is a right-angled trapezoidal structure. The design of the right-angled trapezoidal structure optimizes the streamline of the yarn feeding nozzle and reduces the occurrence of yarn jamming. The yarn feeding nozzle body 1 is provided with arc-shaped chamfers at both ends of the yarn feeding hole 4. Through the setting of the arc-shaped chamfers, the friction resistance of the yarn in the process of passing through the yarn feeding hole 4 is reduced, the friction force of the yarn in the transmission process is reduced, and the occurrence of yarn breakage is prevented.
[0032] When the angle of the guide wheel 8 needs to be adjusted, the fixing block 10 is taken out from the rear side of the second connecting hole to release the fixing block 10 on the connecting rod 9, and then the connecting seat 6 can be rotated to the corresponding angle under the guidance of the scale line 16 and the indicator arrow to adjust the angle of the guide wheel 8. After the adjustment is completed, the fixing block 10 is reinstalled into the second connecting hole. Under the action of the fixing block 10, the first magnet 13 and the second magnet 14, the fixation of the connecting rod 9 can be restored, thereby completing the fixation of the connecting seat 6.
[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0034] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A yarn feeding nozzle that is easy to adjust, characterized by: The invention comprises a yarn feeding nozzle body (1), a yarn guide plate (2) and a mounting seat (3), wherein the yarn guide plate (2) and the yarn feeding nozzle body (1) are respectively arranged at the upper and lower ends of the mounting seat (3), and the yarn guide plate (2) and the yarn feeding nozzle body (1) are connected to the mounting seat (3) by bolts, and a yarn feeding hole (4) is provided at the lower end of the yarn feeding nozzle body (1), the middle part of the yarn guide plate (2) is bent at 90 degrees, and yarn guide holes (5) are provided on the left and right sides of the upper end, and a connecting seat (6) is provided at the lower end of the yarn feeding nozzle body (1) on the upper side of the yarn feeding hole (4), and a rotatable guide wheel rod (7) is provided at the lower end of the connecting seat (6), and a guide wheel (8) is provided on the guide wheel rod (7), and a connecting seat (6) is provided at the upper end for connecting with the yarn feeding nozzle body (1). A connecting mechanism, wherein the connecting mechanism comprises a connecting rod (9) and a fixing block (10), a first connecting hole and a second connecting hole are respectively provided on the connecting seat (6) and the yarn feeding nozzle body (1), a limiting block (17) is provided at the front end of the connecting rod (9), a rear end of the connecting rod (9) passes through the first connecting hole and the second connecting hole and extends to the rear side of the yarn feeding nozzle body (1), the fixing block (10) is detachably provided in the second connecting hole, the fixing block (10) is a truncated cone structure, the rear end of the second connecting hole is a truncated cone structure and the rear side is an end with a larger diameter, a through hole (11) for the connecting rod (9) to pass through is provided at the center of the fixing block (10), and a notch (12) communicating with the through hole (11) is provided on the side of the fixing block (10).
2. The easily adjustable yarn feeding nozzle according to claim 1, characterized in that: A first magnet (13) is provided at the end of the fixed block (10) with a smaller diameter, and a second magnet (14) that is attracted to the first magnet (13) is provided at the end of the truncated cone-shaped structure of the second connecting hole of the yarn feeding nozzle body (1) with a smaller diameter.
3. The easily adjustable yarn feeding nozzle according to claim 1, characterized in that: An annular protrusion (15) is provided on the outer side of the end with a larger diameter of the fixing block (10).
4. The easily adjustable yarn feeding nozzle according to claim 1, characterized in that: The yarn feeding nozzle body (1) is provided with a scale line (16) outside the first connecting hole, and the connecting seat (6) is provided with an indicating arrow corresponding to the scale line (16).
5. The easily adjustable yarn feeding nozzle according to claim 1, characterized in that: The lower end of the yarn feeding nozzle body (1) is a right-angled trapezoidal structure.
6. The easily adjustable yarn feeding nozzle according to claim 1, characterized in that: The yarn feeding nozzle body (1) is provided with arc-shaped chamfers at both the front and rear ends of the yarn feeding hole (4).