Synchronous yarn feeding structure of knitting machine

Abstract

The utility model belongs to the technical field of knitting machine synchronous yarn feeding, and particularly relates to a knitting machine synchronous yarn feeding structure which comprises a supporting frame, a rotating shaft is arranged on the vertical portion of the supporting frame, a first yarn feeding roller is fixedly connected to the outer side of the rotating shaft in a sleeved mode, and the first yarn feeding roller makes contact with the supporting frame. A guide roller is arranged on the vertical portion of the supporting frame and located on the rear side of the first yarn feeding roller, the outer side of the rotating shaft is fixedly sleeved with a first belt wheel, the vertical portion of the supporting frame is fixedly connected with a mounting frame, and a screw is mounted on the vertical portion of the mounting frame through a bearing. Through the arrangement of the servo motor, the first belt wheel, the triangular belt and other structures, the rotating shaft can be driven to rotate so as to drive the first yarn feeding roller to rotate, then yarn is synchronously conveyed, under the action of the screw rod, the sliding block and other structures, the servo motor can be driven to drive the second belt wheel to move, then the triangular belt is tensioned, and the yarn feeding roller is driven to rotate. And the transmission performance of the triangular belt is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of synchronous yarn feeding of knitting machines, in particular to a synchronous yarn feeding structure of a knitting machine. Background Art

[0002] As we all know, the synchronous yarn feeding of knitting machines means that during the knitting process, the yarn or thread bundle can be fed into the needle bed in a certain rhythm and step to ensure the accurate coordination of the needle and yarn and a good knitting effect. The key to synchronous yarn feeding is to keep the tension and speed of the yarn consistent with the movement of the needle bed to avoid the relaxation or tension of the yarn, thereby ensuring the quality and uniformity of the knitted fabric.

[0003] The utility model patent with announcement number CN214362026U discloses a synchronous yarn feeding device of a single-sided knitting circular machine, including a box body, on which a main shaft and a yarn feeding shaft parallel to the main shaft are rotatably arranged respectively, a main shaft synchronous wheel is arranged on the main shaft and located in the box body, a yarn feeding synchronous wheel corresponding to the main shaft synchronous wheel is arranged on the yarn feeding shaft and located in the box body, the main shaft synchronous wheel is connected to the yarn feeding synchronous wheel through an annular synchronous belt, a screw for adjusting the tightness of the annular synchronous belt is rotatably arranged on one side of the box body between the main shaft synchronous wheel and the yarn feeding synchronous wheel, a first thread is arranged on the screw and located in the box body, a first slider is threadably connected to the first thread on the screw, a first spring is arranged between the first slider and the inner wall of the box body, a first roller for abutting one side of the annular synchronous belt is rotatably arranged on the first slider, and an offset device for offsetting the elastic force of the first spring is arranged between the two sides of the annular synchronous belt on the box body.

[0004] However, the existing synchronous yarn feeding structure of knitting machines still has certain shortcomings: first, the existing synchronous yarn feeding structure of knitting machines mostly uses a synchronous belt to drive the rotating shaft to drive the yarn feeding roller to rotate. Due to the influence of factors such as the material of the synchronous belt itself, long-term use will cause the synchronous belt to loosen;

[0005] Secondly, the existing synchronous yarn feeding structures of knitting machines mostly use a fixed-position installation to install and use the yarn feeding roller. Due to the differences in yarn sizes, it is difficult for the yarn feeding roller in a fixed position to effectively guide and transport the yarn. Utility Model Content

[0006] The utility model aims to provide a synchronous yarn feeding structure for a knitting machine, which solves the problem that the existing synchronous yarn feeding structure for a knitting machine mostly adopts a synchronous belt to drive a rotating shaft to drive a yarn feeding roller to rotate, and the problem that the synchronous belt will become loose after long-term use due to the influence of factors such as the material of the synchronous belt itself; and solves the problem that the existing synchronous yarn feeding structure for a knitting machine mostly adopts a fixed-position installation form to install and use the yarn feeding roller, and the yarn feeding roller in a fixed position is difficult to effectively guide and transport the yarn due to the difference in yarn size.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a synchronous yarn feeding structure of a knitting machine, comprising a support frame, a rotating shaft is provided on the vertical portion of the support frame, a yarn feeding roller is fixedly sleeved on the outer side of the rotating shaft, the yarn feeding roller is in contact with the support frame, a guide roller is provided on the vertical portion of the support frame and located on the rear side of the yarn feeding roller, a pulley is fixedly sleeved on the outer side of the rotating shaft, a mounting frame is fixedly connected to the vertical portion of the support frame, a screw is installed on the vertical portion of the mounting frame through a bearing, a slider is threadedly connected to the outer side of the screw, the slider is slidably connected to the mounting frame, and a servo motor is fixedly installed on the left end of the slider.

[0008] Preferably, a second pulley is fixedly sleeved on the outer side of the output shaft of the servo motor, and a V-belt is commonly provided on the surfaces of the second pulley and the first pulley. The V-belt can drive the yarn feeding roller to rotate.

[0009] Preferably, a guide plate is fixedly connected to the horizontal portion of the mounting frame, and the guide plate is in contact with the output shaft of the servo motor. By setting the guide plate, the output shaft of the servo motor can be guided.

[0010] Preferably, the vertical part of the support frame is fixedly installed with a cylinder, the telescopic end of the cylinder is fixedly connected with a moving block, the interior of the moving block is installed with a yarn feeding roller 2 through a supporting shaft, the yarn feeding roller 2 is in contact with the support frame, the vertical part of the support frame is fixedly connected with an oil storage block, the oil storage block is in contact with the telescopic end of the cylinder, the vertical part of the support frame is fixedly connected with two symmetrically distributed support plates, an oil storage barrel is fixedly connected between the two support plates, the interior of the oil storage barrel is fixedly connected with a guide pipe, the guide pipe is fixedly connected to the oil storage block, The inner wall of the oil storage cylinder is fixedly connected with a fixed column, the interior of the fixed column is slidably connected with a telescopic column, the lower end of the telescopic column is fixedly connected with a plug, the outer side of the telescopic column is fixedly sleeved with a magnetic ring, the magnetic ring is in contact with the fixed column, and the inner wall of the oil storage cylinder is installed with an annular electromagnet through a mounting piece, the annular electromagnet is slidably connected with the telescopic column, and the telescopic column can be pulled to move through the action of the annular electromagnet, the magnetic ring and other structures, thereby driving the plug to move, so that the guide pipe is in a flow state, and the lubricating oil is diverted.

[0011] Preferably, the plug is in contact with the guide tube, and the plug is in contact with the oil storage cylinder. By setting the plug, the guide tube can be sealed.

[0012] Preferably, a spring is welded to the upper end of the plug, and one end of the spring is welded to the oil storage cylinder. The plug can be tightened by the provision of the spring.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can drive the rotating shaft to rotate through the arrangement of the servo motor, the first pulley, the V-belt and other structures, so as to drive the yarn feeding roller to rotate, and then synchronously transport the yarn. Under the action of the screw rod, the slider and other structures, the servo motor can be driven to drive the second pulley to move, and then the V-belt is tensioned to ensure the transmission performance of the V-belt.

[0015] 2. The utility model can push the moving block to move through the telescopic effect of the cylinder, thereby adjusting the position of the yarn feeding roller 2, and then adjusting the spacing between the yarn feeding roller 1 and the yarn feeding roller 2, thereby improving the conveying effect of yarns of different sizes. Under the action of the annular electromagnet, the magnetic ring, the spring and other structures, the plug can be pulled out of the guide tube, thereby allowing the lubricating oil to contact the telescopic end of the cylinder to complete the lubrication of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 A side view of a stereogram;

[0018] Figure 3 For the utility model Figure 1 A front cross-sectional view of

[0019] Figure 4 For the utility model Figure 3 Enlarged view of the oil reservoir.

[0020] In the figure: 1. support frame; 2. rotating shaft; 3. yarn feed roller 1; 4. guide roller; 5. pulley 1; 6. mounting frame; 7. screw; 8. slider; 9. servo motor; 10. pulley 2; 11. V-belt; 12. guide plate; 13. cylinder; 14. moving block; 15. yarn feed roller 2; 16. oil storage block; 17. support plate; 18. oil storage cylinder; 19. guide tube; 20. fixed column; 21. telescopic column; 22. plug; 23. spring; 24. magnetic ring; 25. annular electromagnet. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A synchronous yarn feeding structure of a knitting machine comprises a support frame 1, a rotating shaft 2 is arranged on the vertical part of the support frame 1, a yarn feeding roller 3 is fixedly sleeved on the outer side of the rotating shaft 2, the yarn feeding roller 3 is in contact with the support frame 1, a guide roller 4 is arranged on the vertical part of the support frame 1 and located at the rear side of the yarn feeding roller 3, a pulley 5 is fixedly sleeved on the outer side of the rotating shaft 2, a mounting frame 6 is fixedly connected to the vertical part of the support frame 1, a screw rod 7 is installed on the vertical part of the mounting frame 6 through a bearing, a slider 8 is connected to the outer side of the screw rod 7 through a thread, and a slider 8 is connected to the slider 8 through a thread. The block 8 is slidably connected to the mounting frame 6, and a servo motor 9 is fixedly installed on the left end of the slider 8. A pulley 2 10 is fixedly sleeved on the outer side of the output shaft of the servo motor 9. The surfaces of the pulley 2 10 and the pulley 1 5 are jointly provided with a V-belt 11. Through the setting of the V-belt 11, the yarn feeding roller 1 3 can be driven to rotate. The horizontal part of the mounting frame 6 is fixedly connected with a guide plate 12, and the guide plate 12 is in contact with the output shaft of the servo motor 9. Through the setting of the guide plate 12, the output shaft of the servo motor 9 can be guided.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4The vertical part of the support frame 1 is fixedly installed with a cylinder 13, and the telescopic end of the cylinder 13 is fixedly connected with a moving block 14. A yarn feeding roller 15 is installed inside the moving block 14 through a support shaft. The yarn feeding roller 15 is in contact with the support frame 1. The vertical part of the support frame 1 is fixedly connected with an oil storage block 16, and the oil storage block 16 is in contact with the telescopic end of the cylinder 13. The vertical part of the support frame 1 is fixedly connected with two symmetrically distributed support plates 17, and an oil storage cylinder 18 is fixedly connected between the two support plates 17. The interior of the oil storage cylinder 18 is fixedly connected with a guide pipe 19, and the guide pipe 19 is fixedly connected to the oil storage block 16. The interior of the oil storage cylinder 18 A fixed column 20 is fixedly connected to the side wall, a telescopic column 21 is slidably connected inside the fixed column 20, a plug 22 is fixedly connected to the lower end of the telescopic column 21, a magnetic ring 24 is fixedly sleeved on the outer side of the telescopic column 21, the magnetic ring 24 is in contact with the fixed column 20, an annular electromagnet 25 is installed on the inner wall of the oil storage cylinder 18 through a mounting piece, the annular electromagnet 25 is slidably connected to the telescopic column 21, and the telescopic column 21 can be pulled to move by the action of the annular electromagnet 25, the magnetic ring 24 and other structures, thereby driving the plug 22 to move, so that the guide tube 19 is in a flow state, thereby diverting the lubricating oil.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The plug 22 is in contact with the guide tube 19, and the plug 22 is in contact with the oil storage cylinder 18. By setting the plug 22, the guide tube 19 can be sealed. A spring 23 is welded to the upper end of the plug 22, and one end of the spring 23 is welded to the oil storage cylinder 18. By setting the spring 23, the plug 22 can be tightened.

[0025] The specific implementation process of the utility model is as follows: when it is necessary to use the synchronous yarn feeding structure of the knitting machine, start the servo motor 9 to drive the output shaft to rotate, so as to drive the pulley 10 to rotate. Under the transmission action of the V-belt 11, the pulley 15 can be driven to rotate, and then the rotating shaft 2 can be driven to rotate, and finally the yarn feeding roller 13 can be driven to rotate, so that the yarn can be transported. Under the action of the yarn feeding roller 15 and the guide roller 4, the transported yarn can be guided. By pushing the screw 7 to rotate, the slider 8 can be pushed to move under the relationship of threaded connection, so as to drive the servo motor 9 to move, and then the pulley 10 can be driven to move, and the V-belt 11 is tensioned to ensure the transmission effect of the V-belt 11.

[0026] Start the cylinder 13 to drive the telescopic end to move, so as to push the moving block 14 to move, and then drive the yarn feeding roller 2 15 to move, and adjust the spacing between the yarn feeding roller 2 15 and the yarn feeding roller 1 3 to adapt to the use of yarns of different sizes. Start the annular electromagnet 25 to magnetically attract the magnetic ring 24, and pull the telescopic column 21 to move, so as to drive the plug 22 to move upward, and the spring 23 is deformed, so that the plug 22 is finally separated from the guide tube 19, and the lubricating oil can be diverted so that the lubricating oil flows into the oil storage block 16, and finally the lubricating oil contacts the telescopic end of the cylinder 13, so as to lubricate the cylinder 13.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A synchronous yarn feeding structure for a knitting machine, comprising a support frame (1), characterized in that: The vertical part of the support frame (1) is provided with a rotating shaft (2), the outer side of the rotating shaft (2) is fixedly sleeved with a yarn feeding roller (3), the yarn feeding roller (3) is in contact with the support frame (1), the vertical part of the support frame (1) and located at the rear side of the yarn feeding roller (3) is provided with a guide roller (4), the outer side of the rotating shaft (2) is fixedly sleeved with a pulley (5), the vertical part of the support frame (1) is fixedly connected with a mounting frame (6), the vertical part of the mounting frame (6) is installed with a screw rod (7) through a bearing, the outer side of the screw rod (7) is connected with a slider (8) through a thread, the slider (8) is slidably connected to the mounting frame (6), and a servo motor (9) is fixedly installed at the left end of the slider (8).

2. A synchronous yarn feeding structure for a knitting machine according to claim 1, characterized in that: A second pulley (10) is fixedly sleeved on the outer side of the output shaft of the servo motor (9), and a V-belt (11) is provided on the surfaces of the second pulley (10) and the first pulley (5).

3. A synchronous yarn feeding structure for a knitting machine according to claim 1, characterized in that: A guide plate (12) is fixedly connected to the horizontal portion of the mounting frame (6), and the guide plate (12) is in contact with the output shaft of the servo motor (9).

4. A synchronous yarn feeding structure for a knitting machine according to claim 1, characterized in that: The vertical part of the support frame (1) is fixedly mounted with a cylinder (13), the telescopic end of the cylinder (13) is fixedly connected with a moving block (14), the interior of the moving block (14) is installed with a yarn feeding roller (15) through a support shaft, the yarn feeding roller (15) is in contact with the support frame (1), the vertical part of the support frame (1) is fixedly connected with an oil storage block (16), the oil storage block (16) is in contact with the telescopic end of the cylinder (13), the vertical part of the support frame (1) is fixedly connected with two symmetrically distributed support plates (17), an oil storage cylinder (18) is fixedly connected between the two support plates (17), the oil storage cylinder (18) ) is fixedly connected to the inside of a guide tube (19), the guide tube (19) is fixedly connected to an oil storage block (16), the inner side wall of the oil storage cylinder (18) is fixedly connected to a fixed column (20), the inside of the fixed column (20) is slidably connected to a telescopic column (21), the lower end of the telescopic column (21) is fixedly connected to a plug (22), the outer side of the telescopic column (21) is fixedly sleeved with a magnetic ring (24), the magnetic ring (24) is in contact with the fixed column (20), the inner side wall of the oil storage cylinder (18) is installed with an annular electromagnet (25) through a mounting member, and the annular electromagnet (25) is slidably connected to the telescopic column (21).

5. A synchronous yarn feeding structure for a knitting machine according to claim 4, characterized in that: The plug (22) is in contact with the flow guide tube (19), and the plug (22) is in contact with the oil storage cylinder (18).

6. A synchronous yarn feeding structure for a knitting machine according to claim 4, characterized in that: A spring (23) is welded to the upper end of the plug (22), and one end of the spring (23) is welded to the oil storage cylinder (18).

Images