Yarn feeding device of circular knitting machine
Through the decomposed and replaced yarn guide parts and the precisely adjusted yarn guide wheel structure, the problem of yarn guide path deviation of the yarn feeding device is solved, the accuracy of the yarn guide path of the yarn feeding device is improved, and the stability of the weaving process and product quality are ensured.
Patent Information
- Application Number
- CN202422417647.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-30
AI Technical Summary
After long-term use of the existing knitting large round machine yarn feeding device, the yarn guide parts are prone to damage, resulting in deviations in the yarn guide path, which may lead to uneven fabrics, unevenness, or yarns stuck or broken.
A yarn feeding device is designed, in which the yarn guide member can be detached and replaced, adopts a bidirectional screw and clamping member structure, and drives the clamping member to move in the same direction or in the reverse direction through the drive member, clamps the yarn guide member, and fixes the yarn guide member through the guide rod and clamping groove structure, and adjusts the position of the yarn guide wheel in combination with the adjustment component to ensure the accuracy of the yarn guide path.
By replacing the yarn guide parts and adjusting the position of the yarn guide wheel, the possibility of yarn guide route deviation is reduced, the accuracy of yarn guide path of the yarn feeding device is improved, the risks of yarn deviation and jam are avoided, and the continuity and quality of the weaving process are ensured.
Smart Images
Figure CN223134716U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of circular knitting machines, and particularly to a yarn feeding device for a circular knitting machine. Background Art
[0002] A circular knitting machine, also known as a circular weft knitting machine, can adjust knitting parameters as needed, such as the number of needles, linear density, knitting speed, etc., to adapt to the production of different types and requirements of knitted fabrics, and can knit a variety of different knitting structures, such as plain weave, rib, double rib, mesh, etc. It is one of the important devices in the textile industry for producing knitted fabrics.
[0003] Existing circular knitting machines are equipped with advanced and stable computer control systems. From the yarn feeding device, upper needle disc to lower needle cylinder, fabric opening, fabric winding, etc., all are synchronously controlled by precise electronic control modules, and each weaving process is precisely monitored and abnormal alarms are given throughout the process to achieve automated production and parameter regulation.
[0004] The yarn feeding device is responsible for transporting the yarn from the yarn bobbin or other storage devices to the knitting needles to ensure the continuous progress of the weaving process. The yarn feeding device includes a yarn feeder, and a yarn guiding component for guiding the yarn is connected to the yarn feeder. After long-term use, due to the friction of the yarn, the yarn guiding component is prone to damage, causing the yarn guiding path to deviate, which may easily lead to uneven, unsmooth or striped defects in the fabric. Even more, the yarn guiding component cannot correctly guide the yarn, and the yarn may be stuck or overstretched in some parts of the machine, resulting in breakage. Summary of the Utility Model
[0005] In order to improve the accuracy of the yarn guiding path of the yarn feeding device, this application provides a yarn feeding device for a circular knitting machine.
[0006] A yarn feeding device for a circular knitting machine provided by this application adopts the following technical solutions:
[0007] A yarn feeding device for a circular knitting machine includes a yarn feeder body. An insertion opening is provided on one side of the yarn feeder body. A bidirectional lead screw is arranged in the insertion opening. Both ends of the bidirectional lead screw are rotatably connected to the yarn feeder body. A driving member is arranged on one side of the yarn feeder body, and the output end of the driving member is connected to the bidirectional lead screw. The bidirectional lead screw is threadedly connected with two clamping members, and the bidirectional lead screw is used to drive the two clamping members to move in the same or opposite directions; a yarn guiding component is arranged on one side of the yarn feeder body, the yarn guiding component is inserted into the insertion opening, and the clamping member is used to clamp and fix the yarn guiding component in the insertion opening.
[0008] By adopting the above technical solution, after the yarn guiding component has been used for a long time, the yarn guiding component can be disassembled from the yarn feeder body, and a new yarn guiding component can be replaced without replacing the entire yarn feeder body, enabling the yarn feeder body to have a new yarn guiding component, reducing the possibility of the yarn guiding route shifting, and thus improving the accuracy of the yarn guiding path of the yarn feeding device.
[0009] Optionally, a guiding rod is arranged in the insertion opening, both ends of the guiding rod are connected to the yarn feeder body, and the guiding rod is slidably connected to the clamping member.
[0010] By adopting the above technical solution, the guiding rod is used to conduct the clamping member in a directional manner, reducing the possibility of the need to open a slot in the insertion opening, which may lead to cleaning problems.
[0011] Optionally, the two clamping members are symmetrically arranged. The clamping member includes a clamping block and a clamping rod. One side of the clamping block is connected to the clamping rod. A clamping groove is formed in the yarn guiding component, and the clamping rod is inserted into the clamping groove.
[0012] By adopting the above technical solution, the clamping rod is inserted into the clamping groove to further fix the yarn guiding component, reducing the possibility of the yarn guiding route shifting caused by the shaking of the yarn guiding component.
[0013] Optionally, the clamping groove is in a trumpet shape near the slot opening.
[0014] By adopting the above technical solution, the clamping rod is guided, reducing the possibility of the clamping rod being misaligned with the clamping groove, which may lead to difficulties in installing the yarn guiding component.
[0015] Optionally, the yarn guiding component includes a socket, a yarn pressing member, a yarn guiding member, and a yarn guiding wheel. The socket is inserted into the insertion opening. The yarn pressing member is detachably connected to the socket. The yarn guiding member is detachably connected to the socket. The yarn guiding wheel is detachably connected to the yarn guiding member.
[0016] By adopting the above technical solution, the yarn guiding component is made modular and can be disassembled and assembled, facilitating the recycling of the yarn guiding component.
[0017] Optionally, a connecting rod is connected to the yarn guiding member. A wheel seat is sleeved on the outer wall of the connecting rod. The wheel seat is rotatably connected to the yarn guiding wheel. A limiting member is fixed at one end of the connecting rod away from the yarn guiding member. A wing plate is hinged to the yarn guiding member. The wing plate is attached to the limiting member. A locking member is arranged on one side of the wing plate away from the limiting member. The locking member is threadedly connected to the connecting rod, and the locking member is used to fix the wing plate and the connecting rod.
[0018] By adopting the above technical solution, when it is necessary to remove the yarn guide wheel, the locking member is removed from the connecting rod, and the wing plate rotates to remove the wheel seat from the connecting rod, improving the convenience of disassembling and assembling the yarn guide wheel.
[0019] Optionally, the connecting rod is provided with an adjusting assembly for adjusting the position of the yarn guide wheel.
[0020] By adopting the above technical solution, the position of the yarn guide wheel can be adjusted, improving the accuracy of the yarn guiding direction of the yarn guide wheel.
[0021] Optionally, the adjusting assembly includes a sliding ring, a spring and an adjusting ring. The sliding ring is slidably connected to the connecting rod. One end of the spring is connected to the sliding ring, and the end of the spring away from the sliding ring is connected to the yarn guiding member. The wheel seat is sleeved on the sliding ring, and the adjusting ring is threadedly connected to the connecting rod, and the adjusting ring abuts against the side of the sliding ring away from the spring.
[0022] By adopting the above technical solution, when it is necessary to adjust the position of the yarn guide wheel, the spring is in a compressed state, the spring pushes the sliding ring, and the adjusting ring is screwed to make the adjusting ring move away from or close to the spring, thereby realizing the adjustment of the position of the yarn guide wheel, and the operation is simple.
[0023] In summary, the present application includes at least one of the following beneficial technical effects:
[0024] 1. After the yarn guiding component is used for a long time, the yarn guiding component can be disassembled from the yarn feeder body and a new yarn guiding component can be replaced without replacing the entire yarn feeder body, so that the yarn feeder body has a new yarn guiding component, reducing the possibility of the yarn guiding route shifting, thereby improving the accuracy of the yarn guiding path of the yarn feeding device;
[0025] 2. The clamping rod is inserted into the clamping groove to further fix the yarn guiding component, reducing the possibility of the yarn guiding route shifting caused by the shaking of the yarn guiding component;
[0026] 3. When it is necessary to adjust the position of the yarn guide wheel, the spring is in a compressed state, the spring pushes the sliding ring, and the adjusting ring is screwed to make the adjusting ring move away from or close to the spring, thereby realizing the adjustment of the position of the yarn guide wheel, and the operation is simple. Description of the Drawings
[0027] Figure 1 is the overall structural schematic diagram in the embodiment of the present application.
[0028] Figure 2 is the installation schematic diagram of the yarn guiding component in the embodiment of the present application.
[0029] Figure 3 is Figure 2 the enlarged view at A in
[0030] Figure 4 It is a schematic diagram of the installation structure of the socket-through and clamping member in the embodiment of the present application.
[0031] Figure 5 It is a schematic diagram of the adjustment component structure in the embodiment of the present application.
[0032] Explanation of reference numerals:
[0033] 1. Yarn feeder body; 11. Insertion opening; 2. Bidirectional lead screw; 21. Driving member; 22. Clamping member; 221. Clamping block; 222. Clamping rod; 23. Guide rod; 3. Yarn guiding component; 31. Socket-through; 311. Clamping groove; 312. Dislocation groove; 32. Yarn pressing member; 33. Yarn guiding member; 34. Yarn guiding wheel; 4. Connecting rod; 41. Wheel seat; 42. Limiting member; 43. Wing plate; 44. Locking member; 45. Sliding ring; 46. Spring; 47. Adjusting ring. Detailed implementation manners
[0034] The following will Figures 1-5 make a further detailed description of the present application in conjunction with the attached
[0035] The embodiment of the present application discloses a yarn feeding device for a circular knitting machine.
[0036] Referring to Figure 1 and Figure 2 , a yarn feeding device for a circular knitting machine includes a yarn feeder body 1. An insertion opening 11 is provided on one side of the yarn feeder body 1. A bidirectional lead screw 2 is arranged in the insertion opening 11. Both ends of the bidirectional lead screw 2 are rotatably connected to the yarn feeder body 1. A driving member 21 is arranged on one side of the yarn feeder body 1. The output end of the driving member 21 is fixedly connected to the bidirectional lead screw 2. Two clamping members 22 are threadedly connected to the bidirectional lead screw 2. The bidirectional lead screw 2 is used to drive the two clamping members 22 to move in the same or opposite directions; a yarn guiding component 3 is arranged on one side of the yarn feeder body 1. The yarn guiding component 3 is inserted into the insertion opening 11. The clamping member 22 is used to clamp and fix the yarn guiding component 3 in the insertion opening 11. In this embodiment, the driving member 21 adopts a motor.
[0037] The yarn guiding component 3 can be removed from the yarn feeder body 1 and the yarn guiding component 3 can be replaced, thereby reducing the possibility of the yarn guiding route of the yarn guiding component 3 deviating and improving the accuracy of the yarn guiding path. When installing the guiding component, the yarn guiding component 3 is inserted into the insertion opening 11, the driving member 21 is started, the driving member 21 drives the bidirectional lead screw 2 to rotate, and the two clamping members 22 move relatively, so as to clamp the yarn guiding component 3. By arranging the bidirectional lead screw 2, the clamping members 22 move the same displacement, so that both sides of the guiding component are subjected to the same clamping force, reducing the possibility of the guiding component deviating and improving the accuracy of the yarn guiding path.
[0038] Referring toFigure 3 and Figure 4 To reduce the cleaning difficulty inside the intersection 11, a guide rod 23 is provided inside the intersection 11. Both ends of the guide rod 23 are fixedly connected to the yarn feeder body 1, and the guide rod 23 is slidably connected to the clamping member 22.
[0039] The two clamping members 22 are symmetrically arranged. The clamping member 22 includes a clamping block 221 and a clamping rod 222. One side of the clamping block 221 is fixedly connected to the clamping rod 222. The clamping rod 222 is located on the opposite side of the two clamping blocks 221. The yarn guiding member 3 is provided with a clamping groove 311, and the clamping rod 222 is inserted into the clamping groove 311.
[0040] The clamping groove 311 is flared near the notch to guide the insertion direction of the clamping rod 222 and reduce the installation difficulty of the yarn guiding member 3.
[0041] Referring to Figure 2 , the yarn guiding member 3 includes a socket 31, a yarn pressing member 32, a yarn guiding member 33 and a yarn guiding wheel 34. The socket 31 is inserted into the intersection 11. A dislocation groove 312 is provided on one side of the socket 31. After the socket 31 is inserted into the intersection 11, the socket 31 abuts against the inner groove wall of the intersection 11. The bidirectional lead screw 2 is located in the dislocation groove 312. The yarn pressing member 32 is detachably connected to the top wall of the socket 31. The yarn guiding member 33 is detachably connected to one end side of the socket 31 away from the dislocation groove 312. The yarn guiding wheel 34 is detachably connected to the side of the yarn guiding member 33 away from the socket 31. In this embodiment, the yarn pressing member 32 is fixed to the top wall of the socket 31 by screws, and the yarn guiding member 33 is fixed to one side of the socket 31 by another screw.
[0042] Referring to Figure 5 , a connecting rod 4 is fixedly connected to the yarn guiding member 33. A wheel seat 41 is sleeved on the outer wall of the connecting rod 4. The outer wall of the wheel seat 41 is annular. The outer wall of the wheel seat 41 is rotatably connected to the inner wall of the yarn guiding wheel 34. A limiting member 42 is fixed to one end of the connecting rod 4 away from the yarn guiding member 33. The limiting member 42 is annular, and the diameter of the outer ring of the limiting member 42 is smaller than the diameter of the inner ring of the wheel seat 41, which is convenient for removing the wheel seat 41 from the connecting rod 4, so as to realize the removal operation of the yarn guiding wheel 34 from the yarn guiding member 33. One end of the yarn guiding member 33 away from the connecting rod 4 is hinged with a wing plate 43. One side of the wing plate 43 is attached to the side of the limiting member 42 away from the wheel seat 41. A locking member 44 is provided on the side of the wing plate 43 away from the limiting member 42. The locking member 44 is threadedly connected to the connecting rod 4. The locking member 44 is used to fix the wing plate 43 and the connecting rod 4. In this embodiment, the locking member 44 is a locking nut.
[0043] To facilitate the adjustment of the position of the yarn guiding wheel 34 and improve the accuracy of the yarn guiding route of the yarn guiding wheel 34, the connecting rod 4 is provided with an adjustment assembly for adjusting the position of the yarn guiding wheel 34.
[0044] The adjusting assembly includes a sliding ring 45, a spring 46 and an adjusting ring 47. One end of the sliding ring 45 is provided with a protrusion. The sliding ring 45 is slidably connected to the connecting rod 4. One end of the spring 46 is fixedly connected to the sliding ring 45, and the end of the spring 46 away from the sliding ring 45 is fixedly connected to the yarn guiding member 33. The wheel seat 41 is sleeved on the outer wall of the sliding ring 45 and abuts against the protruding end of the sliding ring 45. The adjusting ring 47 is threadedly connected to the end of the connecting rod 4 away from the spring 46, and the adjusting ring 47 abuts against the side of the sliding ring 45 away from the spring 46.
[0045] When installing the yarn guiding wheel 34, the yarn guiding wheel 34 is rotatably connected to the wheel seat 41. The wheel seat 41 is sleeved on the outer wall of the sliding ring 45, and the wheel seat 41 abuts against the protruding end of the sliding ring 45 to position the position of the wheel seat 41 on the sliding ring 45. Rotate the wing plate 43 to make the wing plate 43 abut against the limiting member 42, and threadedly tighten the locking member 44 on the connecting rod 4. The wing plate 43 is fixed to the connecting rod 4 through the locking member 44, and the spring 46 is in a compressed state. When rotating the adjusting ring 47, the position of the sliding ring 45 on the connecting rod 4 can be adjusted, so as to realize the installation of the yarn guiding wheel 34.
[0046] The implementation principle of the yarn feeding device of a circular knitting machine in the embodiment of the present application is as follows: When the yarn guiding path of the yarn guiding component 3 is offset, the yarn guiding component 3 can be removed from the yarn feeder body 1 and the yarn guiding component 3 can be replaced, so as to reduce the possibility of the yarn guiding route of the yarn guiding component 3 being offset and improve the accuracy of the yarn guiding path. When installing the guiding component, insert the socket 31 into the insertion opening 11. The socket 31 abuts against the inner groove wall of the insertion opening 11. Start the driving member 21, and the driving member 21 drives the bidirectional lead screw 2 to rotate. The two clamping members 22 move relatively, and the clamping rod 222 is inserted into the clamping groove 311, so as to clamp and fix the yarn guiding component 3, reduce the possibility of the guiding component being offset during installation, and further improve the accuracy of the yarn guiding path.
[0047] The above are all the preferred embodiments of the present application. This embodiment is only an explanation of the present application and does not limit the protection scope of the present application in turn. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A yarn feeding device for a circular knitting machine, characterized in that, It includes a yarn feeder body (1). One side of the yarn feeder body (1) is provided with an insertion opening (11). A bidirectional lead screw (2) is arranged in the insertion opening (11). Both ends of the bidirectional lead screw (2) are rotatably connected to the yarn feeder body (1). A driving member (21) is arranged on one side of the yarn feeder body (1). The output end of the driving member (21) is connected to the bidirectional lead screw (2). The bidirectional lead screw (2) is threadedly connected with two clamping members (22). The bidirectional lead screw (2) is used to drive the two clamping members (22) to move in the same or opposite directions. A yarn guiding component (3) is arranged on one side of the yarn feeder body (1). The yarn guiding component (3) is inserted into the insertion opening (11). The clamping member (22) is used to clamp and fix the yarn guiding component (3) in the insertion opening (11).
2. The yarn feeding device of a circular knitting machine according to claim 1, wherein, A guiding rod (23) is arranged in the insertion opening (11). Both ends of the guiding rod (23) are connected to the yarn feeder body (1). The guiding rod (23) is slidably connected with the clamping member (22).
3. The yarn feeding device of a circular knitting machine according to claim 1, characterized in that, The two clamping members (22) are symmetrically arranged. The clamping member (22) includes a clamping block (221) and a clamping rod (222). One side of the clamping block (221) is connected to the clamping rod (222). The yarn guiding component (3) is provided with a clamping groove (311). The clamping rod (222) is inserted into the clamping groove (311).
4. The yarn feeding device of a circular knitting machine according to claim 3, characterized in that, The clamping groove (311) is in a flared shape near the slot opening.
5. The yarn feeding device of a circular knitting machine according to claim 1, characterized in that, The yarn guiding component (3) includes a socket (31), a yarn pressing member (32), a yarn guiding member (33) and a yarn guiding wheel (34). The socket (31) is inserted into the insertion opening (11). The yarn pressing member (32) is detachably connected to the socket (31). The yarn guiding member (33) is detachably connected to the socket (31). The yarn guiding wheel (34) is detachably connected to the yarn guiding member (33).
6. The yarn feeding device of a circular knitting machine according to claim 5, characterized in that, The yarn guiding member (33) is connected with a connecting rod (4). A wheel seat (41) is sleeved on the outer wall of the connecting rod (4). The wheel seat (41) is rotatably connected with the yarn guiding wheel (34). One end of the connecting rod (4) away from the yarn guiding member (33) is fixed with a limiting member (42). The yarn guiding member (33) is hinged with a wing plate (43). The wing plate (43) is attached to the limiting member (42). A locking member (44) is arranged on one side of the wing plate (43) away from the limiting member (42). The locking member (44) is threadedly connected with the connecting rod (4). The locking member (44) is used to fix the wing plate (43) and the connecting rod (4).
7. The yarn feeding device of a circular knitting machine according to claim 6, characterized in that, The connecting rod (4) is provided with an adjusting component. The adjusting component is used to adjust the position of the yarn guiding wheel (34).
8. The yarn feeding device of a circular knitting machine according to claim 7, characterized in that, The adjusting assembly includes a sliding ring (45), a spring (46) and an adjusting ring (47). The sliding ring (45) is slidably connected to the connecting rod (4). One end of the spring (46) is connected to the sliding ring (45), and the other end of the spring (46) away from the sliding ring (45) is connected to the yarn guiding member (33). The wheel seat (41) is sleeved on the sliding ring (45). The adjusting ring (47) is threadedly connected to the connecting rod (4), and the adjusting ring (47) abuts against the side of the sliding ring (45) away from the spring (46).