Circular knitting machine capable of stably feeding yarns

Abstract

The utility model relates to a circular knitting machine with stable yarn feeding, which comprises a circular knitting machine body and a mounting plate, the mounting plate is fixedly mounted at the top of the circular knitting machine body, a sliding plate is arranged above the mounting plate, a clamping mechanism comprises a protective cylinder fixedly mounted at the top of the sliding plate, and a threaded rod is driven to rotate through starting of a motor. The outer side wall of the threaded rod is provided with positive and negative threads, so that the sliding blocks are driven to move mutually, the connecting blocks are made to ascend under the action of connection of the first connecting rod, the sliding plate is driven to ascend while ascending, the second connecting rod is driven to conduct angle change, and when the angle of the second connecting rod is changed, the third connecting rod and the fourth connecting rod are linked to move; and therefore, the plurality of U-shaped plates are supported outwards, wire coils arranged on the outer side walls of the U-shaped plates in a sleeving manner are supported and fixed, and the working efficiency and the product quality are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of circular knitting machine technology, and in particular to a circular knitting machine with stable yarn feeding. Background Technology

[0002] Against the backdrop of the rapid development of the modern textile industry, knitted fabrics, with their softness, comfort, and good elasticity, are widely used in various fields such as clothing, home textiles, and industrial fabrics. Circular knitting machines, as the core equipment for knitted fabric production, occupy an important position in the textile market due to their significant advantages, including multiple loop-forming systems, high speed, large output, flexible pattern variations, excellent fabric quality, simplified processes, and strong product adaptability. In recent years, the market size has continued to expand, and the pace of equipment upgrades has accelerated.

[0003] The large circular knitting machine disclosed in Chinese Patent Publication No. CN204255939U uses a transmission component to drive two tension rollers in the tensioning component to move relative to each other, so that the fabric is tightly attached between them. In conjunction with the fabric winding component below, the distance between the fabric and the tension rollers is adjusted according to the thickness of the wrapped fabric, which effectively maintains the stability of the fabric tension, reduces the generation of wrinkles, and improves the density of the fabric during the weaving process and the quality of the final product.

[0004] In actual production, this technology still has significant limitations. In the weaving process of knitted fabrics, the stability of the yarn spool plays a crucial role in controlling yarn tension. Existing technologies struggle to effectively stabilize the yarn spool; when the spool is unstable, the yarn tension fluctuates frequently during weaving. Related research indicates that when yarn tension fluctuations exceed ±10% of a set threshold, the probability of physical property damage due to excessive yarn stretching increases by 30%, and the incidence of yarn breakage increases by approximately 20%. Conversely, insufficient tension leads to uneven loop structure in the fabric, resulting in a 15%-20% defect rate of loose, inconsistently spaced products, severely impacting fabric smoothness and appearance quality, thus reducing the product's market competitiveness. With consumers' increasing demands for knitted fabric quality and the gradual expansion of the high-end knitted product market share, solving the yarn spool stability problem and achieving precise yarn tension control has become a key technological requirement for improving the production efficiency and product quality of circular knitting machines. Utility Model Content

[0005] To overcome the technical defects of the existing technology, this utility model provides a circular knitting machine with stable yarn feeding.

[0006] The technical solution adopted by this utility model is as follows: it includes a large circular knitting machine body and a mounting plate. The mounting plate is fixedly installed on the top of the large circular knitting machine body. A sliding plate is provided above the mounting plate. A clamping mechanism is provided on the top of the sliding plate. A snap-fit ​​mechanism is also provided on the top of the mounting plate.

[0007] The clamping mechanism includes a protective cylinder fixedly installed on the top of the sliding plate, and multiple sliding columns are fixedly installed on the top of the mounting plate, with the multiple sliding columns slidably connected to the sliding plate.

[0008] Preferably, in order to raise and lower the lifting plate, a U-shaped frame is fixedly installed on the top of the sliding plate, and threaded rods are rotatably connected to both sides of the inner wall of the U-shaped frame. Limit blocks are fixedly installed on the outer side of the threaded rods. A motor is fixedly installed on the top of the sliding plate, and the output end of the motor is connected to the threaded rods. Two sliding blocks are also provided on the outer side of the threaded rods, and the two sliding blocks are respectively located on both sides of the sliding blocks.

[0009] Preferably, in order for the lifting plate to lift, the two sides of the sliding block are rotatably connected with connecting rods, the bottom of the sliding plate is fixedly installed with two connecting blocks, the two sets of connecting rods are hinged to the two connecting blocks, the bottom of the sliding plate is fixedly installed with a sliding frame, and the sliding frame is sleeved with the protective cylinder.

[0010] Preferably, in order to support and fix the coil, multiple sets of hinge seats are fixedly installed on the top of the sliding plate, and the top of the multiple sets of hinge seats is hinged to the connecting rod two. The connecting rod two is hinged to the U-shaped plate. Multiple connecting rod three are hinged to the outer wall of the sliding column. The multiple connecting rod three are hinged to the U-shaped plate. The outer wall of the sliding column is also hinged to multiple connecting rod four. The multiple connecting rod three are located between the multiple connecting rod two and the multiple connecting rod four. The multiple connecting rod four are hinged to the U-shaped plate.

[0011] Preferably, in order to support and fix the coil, two rectangular blocks are fixedly installed on one side of the U-shaped plate, and rollers are rotatably connected between the two rectangular blocks. Multiple support blocks are fixedly installed on the top of the outer wall of the sliding column, and multiple limiting strips are hinged to the top of the sliding column. The multiple limiting strips are in contact with the multiple support blocks.

[0012] Preferably, for quick disassembly and assembly, the snap-fit ​​mechanism includes four sliding boxes fixedly installed on the top of the mounting plate, sliders slidably connected inside the four sliding boxes, a movable shell fixedly installed on one side of the slider, the movable shell slidably connected to the mounting plate, and a snap-fit ​​strip fixedly installed on the top of the movable shell.

[0013] Preferably, in order to enable quick disassembly and assembly, a motor is fixedly installed on the top of the sliding box, a rotating disk is provided above the sliding box, and the output end of the motor is connected to the rotating disk.

[0014] Preferably, for quick disassembly and assembly, a connecting column is fixedly installed on the top of the slider, and multiple sliding grooves are opened on the top of the rotating disk. The connecting column slides between the sliding grooves, and an L-shaped clamping plate is fixedly installed on the bottom of the sliding plate. The L-shaped clamping plate is engaged with the clamping strip.

[0015] The beneficial effects of this utility model are:

[0016] 1. This stable yarn feeding circular knitting machine, through the cooperation of a protective cylinder, sliding column, U-shaped frame, motor, threaded rod, limit block, sliding block, connecting rod one, connecting block, hinge seat, connecting rod two, connecting rod three, connecting rod four, U-shaped plate, rectangular block, roller, support block, support block, and sliding frame, is driven by the motor to rotate the threaded rod. Because the outer wall of the threaded rod is provided with positive and negative threads, it drives the sliding block to move relative to each other. Under the action of connecting rod one, the connecting block rises, driving the sliding plate to rise simultaneously. This causes connecting rod two to change angle. When connecting rod two changes angle, it moves connecting rod three and connecting rod four, thereby causing multiple U-shaped plates to be supported outward, supporting and fixing the yarn rolls sleeved on the outer wall of the U-shaped plates. The rollers installed are used to rotate during the support and fixing process, thus achieving stable yarn feeding of the yarn rolls. During the yarn feeding process, constant tension is maintained, ensuring that the loop size of the fabric is uniform and consistent, effectively improving work efficiency and product quality.

[0017] 2. This stable yarn feeding circular knitting machine, through the cooperation of an installed snap-fit ​​mechanism, a moving shell, an L-shaped clamping plate, a sliding box, a slider, a connecting column, a motor, a rotating disk, a sliding groove, and a snap-fit ​​strip, utilizes a combination of these components. Starting the motor drives the rotating disk to rotate, causing the connecting column to move inside the sliding groove. This, in turn, moves the slider outward, which in turn moves the moving shell, thus achieving snap-fit ​​between the snap-fit ​​strip and the L-shaped clamping plate. This facilitates the complete removal, loading, and unloading of yarn spools by operators, effectively improving convenience. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the clamping mechanism in this utility model;

[0020] Figure 3 This is a cross-sectional connection diagram of the sliding plate in this utility model;

[0021] Figure 4 In this utility model Figure 3 Enlarged view of the A structure;

[0022] Figure 5This is a cross-sectional structural diagram of the snap-fit ​​mechanism in this utility model.

[0023] Explanation of reference numerals in the attached drawings: 1. Main body of the large circular knitting machine; 10. Mounting plate; 11. Sliding plate; 2. Clamping mechanism; 201. Protective cylinder; 202. Sliding column; 203. U-shaped frame; 204. Motor; 205. Threaded rod; 206. Limiting block; 207. Sliding block; 208. Connecting rod one; 209. Connecting block; 210. Hinge seat; 211. Connecting rod two; 212. Connecting rod three; 213. Connecting rod four; 214. U-shaped plate; 215. Rectangular block; 216. Roller; 217. Limiting strip; 218. Support block; 219. Sliding frame; 3. Clamping mechanism; 301. Moving shell; 302. L-shaped clamping plate; 303. Sliding box; 304. Slider; 305. Connecting column; 306. Motor; 307. Rotary disk; 308. Sliding groove; 309. Clamping strip. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings:

[0025] like Figure 1 - Figure 5 As shown, this embodiment provides a circular knitting machine with stable yarn feeding, including a circular knitting machine body 1 and a mounting plate 10. The mounting plate 10 is fixedly installed on the top of the circular knitting machine body 1, and a sliding plate 11 is provided above the mounting plate 10. A clamping mechanism 2 is provided on the top of the sliding plate 11.

[0026] The clamping mechanism 2 includes a protective cylinder 201 fixedly installed on the top of the sliding plate 11. Multiple sliding columns 202 are fixedly installed on the top of the mounting plate 10. The multiple sliding columns 202 are slidably connected to the sliding plate 11. The clamping mechanism 2 is used to stably feed the yarn spool, ensuring that the loop size of the fabric is uniform, effectively improving work efficiency and product quality. The clamping mechanism 3 is used to facilitate workers to completely remove the yarn spool, and to load or unload the yarn spool, effectively improving convenience.

[0027] Please see Figure 2 and Figure 4A U-shaped frame 203 is fixedly installed on the top of the sliding plate 11. Threaded rods 205 are rotatably connected to both sides of the inner wall of the U-shaped frame 203. Limiting blocks 206 are fixedly installed on the outer wall of the threaded rods 205. A motor 204 is fixedly installed on the top of the sliding plate 11. The output end of the motor 204 is connected to the threaded rods 205. Two sliding blocks 207 are also provided on the outer wall of the threaded rods 205. The two sliding blocks 207 are located on both sides of the sliding blocks 207. The motor 204 drives the threaded rods 205 to rotate. Because the outer wall of the threaded rods 205 is provided with positive and negative threads, it drives the sliding blocks 207 to move relative to each other. Thus, under the action of the connecting rod 208, the connecting block 209 is raised. At the same time as it rises, the sliding plate 11 is raised, and the connecting rod 211 changes angle to raise the sliding plate 11.

[0028] Please see Figure 2 and Figure 4 The sliding block 207 is rotatably connected to the two sides of the connecting rod 208. The bottom of the sliding plate 11 is fixedly installed with two connecting blocks 209. The two sets of connecting rods 208 are hinged to the two connecting blocks 209. The bottom of the sliding plate 11 is fixedly installed with a sliding frame 219. The sliding frame 219 and the protective cylinder 201 are fitted together. The installed sliding frame 219 and the protective cylinder 201 are used to protect the internal electronic components and avoid damage caused by external factors.

[0029] Please see Figure 2 and Figure 4 Multiple sets of hinge seats 210 are fixedly installed on the top of the sliding plate 11. The top of the multiple sets of hinge seats 210 is hinged to the connecting rod 211. The connecting rod 211 is connected to the U-shaped plate 214. Multiple connecting rods 3 212 are hinged to the outer wall of the sliding column 202. The multiple connecting rods 3 212 are hinged to the U-shaped plate 214. The outer wall of the sliding column 202 is also hinged to multiple connecting rods 4 213. The multiple connecting rods 3 212 are located between the multiple connecting rods 211 and the multiple connecting rods 4 213. The multiple connecting rods 4 213 are hinged to the U-shaped plate 214. When the angle of the connecting rod 211 changes, the connecting rods 3 212 and the connecting rods 4 213 move together, thereby causing the multiple U-shaped plates 214 to be supported outward, so that the coil sleeved on the outer wall of the U-shaped plate 214 is supported and fixed.

[0030] Please see Figure 2 and Figure 4Two rectangular blocks 215 are fixedly installed on one side of the U-shaped plate 214. Rollers 216 are rotatably connected between the two rectangular blocks 215. Multiple support blocks 218 are fixedly installed on the top of the outer wall of the sliding column 202. Multiple limiting strips 217 are hinged to the top of the sliding column 202. The multiple limiting strips 217 are in contact with the multiple support blocks 218. By manually moving the multiple limiting strips 217, the multiple limiting strips 217 are made to be in a vertical state. Then, the yarn spool is manually put on, and the limiting strips 217 are made to be in a horizontal state by manually moving them, so that they are in contact with the support blocks 218, thereby preventing the yarn spool from falling off when rotating. The installed rollers 216 are used to support and fix the rotation, so as to achieve stable yarn feeding of the yarn spool. During the yarn feeding process, constant tension is maintained to ensure that the loop size of the fabric is uniform, which effectively improves work efficiency and product quality.

[0031] The top of the mounting plate 10 is also provided with a snap-fit ​​mechanism 3;

[0032] Please see Figure 5 The snap-fit ​​mechanism 3 includes four sliding boxes 303 fixedly installed on the top of the mounting plate 10. Slider 304 is slidably connected inside the four sliding boxes 303. A movable shell 301 is fixedly installed on one side of the slider 304. The movable shell 301 is slidably connected to the mounting plate 10. A snap-fit ​​strip 309 is fixedly installed on the top of the movable shell 301. By starting the motor 306, the rotating disk 307 is driven to rotate, causing the connecting column 305 to move inside the sliding groove 308, thereby causing the slider 304 to move outward. When moving outward, the movable shell 301 moves in conjunction with the slider 304, thereby realizing the snap-fit ​​strip 309 and the L-shaped snap-fit ​​plate 302. This makes it easy for workers to remove the entire wire roll and load or unload the wire roll, effectively improving convenience.

[0033] Please see Figure 5 A motor 306 is fixedly installed on the top of the sliding box 303, and a rotating disk 307 is provided above the sliding box 303. The output end of the motor 306 is connected to the rotating disk 307. The installed sliding box 303 is used to limit the slider 304, so that the slider 304 moves in a predetermined position.

[0034] Please see Figure 5 A connecting post 305 is fixedly installed on the top of the slider 304. Multiple sliding grooves 308 are opened on the top of the rotating disk 307. The connecting post 305 slides with the sliding grooves 308. An L-shaped locking plate 302 is fixedly installed on the bottom of the sliding plate 11. The L-shaped locking plate 302 is locked with the locking strip 309. The sliding grooves 308 are used to limit the connecting post 305 and prevent the rotating disk 307 from rotating when the connecting post 305 moves.

[0035] The implementation principle of this application is as follows: The installed clamping mechanism 2 is used to stably feed the yarn spool, ensuring that the loop size of the fabric is uniform, effectively improving work efficiency and product quality. The clamping mechanism 3 is used to facilitate the complete removal of the yarn spool by the staff for loading or unloading, effectively improving convenience. The motor starter 204 drives the threaded rod 205 to rotate. Because the outer wall of the threaded rod 205 is provided with positive and negative threads, it drives the sliding block 207 to move relative to each other. Thus, under the action of the connecting rod 208, the connecting block 209 is connected. The mechanism rises, simultaneously lifting the sliding plate 11 and causing the connecting rod 211 to change angle. This rise is achieved through the installed sliding frame 219 and protective cylinder 201, which protect the internal electronic components from external damage. As the connecting rod 211 changes angle, it also moves the connecting rods 212 and 213, causing multiple U-shaped plates 214 to be pushed outwards. This supports and secures the coils fitted onto the outer walls of the U-shaped plates 214. Multiple limiting strips 217 are manually adjusted to position themselves... In a vertical position, the yarn spool is manually fitted, and then the limiting strip 217 is manually moved to a horizontal position, contacting the support block 218, thus preventing the yarn spool from falling off during rotation. The installed rollers 216 support and fix the spool while rotating, achieving stable yarn feeding and maintaining constant tension during the feeding process. This ensures uniform loop size in the fabric, effectively improving work efficiency and product quality. The motor 306 is started, driving the rotating disk 307 to rotate, causing the connecting column 305 to move within the sliding groove 308. The movement causes the slider 304 to move outward, and the moving housing 301 moves in conjunction with it, thereby enabling the locking strip 309 to engage with the L-shaped locking plate 302. This facilitates the removal, loading, or unloading of the wire coil by the operator, effectively improving convenience. The installed sliding box 303 is used to limit the slider 304, allowing it to move in a predetermined position. The sliding groove 308 is used to limit the connecting post 305, preventing the rotating disk 307 from being unable to rotate when the connecting post 305 moves.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from the spirit and scope of the invention. All such changes and modifications fall within the scope of the invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. A circular knitting machine with stable yarn feeding, comprising a circular knitting machine body (1) and a mounting plate (10), characterized in that: The mounting plate (10) is fixedly installed on the top of the large circular machine body (1). A sliding plate (11) is provided above the mounting plate (10). A clamping mechanism (2) is provided on the top of the sliding plate (11). A snap-fit ​​mechanism (3) is also provided on the top of the mounting plate (10). The clamping mechanism (2) includes a protective cylinder (201) fixedly installed on the top of the sliding plate (11), and a plurality of sliding columns (202) are fixedly installed on the top of the mounting plate (10), and the plurality of sliding columns (202) are slidably connected to the sliding plate (11).

2. The circular knitting machine with stable yarn feeding as described in claim 1, characterized in that: A U-shaped frame (203) is fixedly installed on the top of the sliding plate (11). Threaded rods (205) are rotatably connected to both sides of the inner wall of the U-shaped frame (203). Limiting blocks (206) are fixedly installed on the outer wall of the threaded rods (205). A motor (204) is fixedly installed on the top of the sliding plate (11). The output end of the motor (204) is connected to the threaded rods (205). Two sliding blocks (207) are also provided on the outer wall of the threaded rods (205). The two sliding blocks (207) are located on both sides of the sliding blocks (207).

3. The circular knitting machine with stable yarn feeding as described in claim 2, characterized in that: The sliding block (207) is rotatably connected to two connecting rods (208), and two connecting blocks (209) are fixedly installed at the bottom of the sliding plate (11). The two sets of connecting rods (208) are hinged to the two connecting blocks (209). A sliding frame (219) is fixedly installed at the bottom of the sliding plate (11), and the sliding frame (219) is sleeved with the protective cylinder (201).

4. The circular knitting machine with stable yarn feeding as described in claim 3, characterized in that: The top of the sliding plate (11) is fixedly installed with multiple sets of hinge seats (210), and the top of the multiple sets of hinge seats (210) is hinged with connecting rod two (211). The connecting rod two (211) is connected to the U-shaped plate (214). The outer wall of the sliding column (202) is hinged with multiple connecting rod three (212). The multiple connecting rod three (212) is hinged to the U-shaped plate (214). The outer wall of the sliding column (202) is also hinged with multiple connecting rod four (213). The multiple connecting rod three (212) is located between the multiple connecting rod two (211) and the multiple connecting rod four (213). The multiple connecting rod four (213) is hinged to the U-shaped plate (214).

5. The circular knitting machine with stable yarn feeding as described in claim 4, characterized in that: Two rectangular blocks (215) are fixedly installed on one side of the U-shaped plate (214), and a roller (216) is rotatably connected between the two rectangular blocks (215). Multiple support blocks (218) are fixedly installed on the top of the outer side wall of the sliding column (202), and multiple limiting strips (217) are hinged to the top of the sliding column (202). The multiple limiting strips (217) are in contact with the multiple support blocks (218).

6. The circular knitting machine with stable yarn feeding as described in claim 1, characterized in that: The snap-fit ​​mechanism (3) includes four sliding boxes (303) fixedly installed on the top of the mounting plate (10), with sliders (304) slidably connected inside the four sliding boxes (303), a movable shell (301) fixedly installed on one side of the slider (304), the movable shell (301) being slidably connected to the mounting plate (10), and a snap-fit ​​strip (309) fixedly installed on the top of the movable shell (301).

7. The circular knitting machine with stable yarn feeding as described in claim 6, characterized in that: A motor (306) is fixedly installed on the top of the sliding box (303), and a rotating disk (307) is provided above the sliding box (303). The output end of the motor (306) is connected to the rotating disk (307).

8. The circular knitting machine with stable yarn feeding as described in claim 7, characterized in that: A connecting column (305) is fixedly installed on the top of the slider (304), and a plurality of sliding grooves (308) are opened on the top of the rotating disk (307). The connecting column (305) slides with the sliding grooves (308). An L-shaped clamping plate (302) is fixedly installed on the bottom of the sliding plate (11), and the L-shaped clamping plate (302) is clamped with the clamping strip (309).

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