Yarn conveying tension adjusting device of circular knitting machine

Abstract

The utility model relates to the technical field of circular knitting machines, and discloses a yarn conveying tension adjusting device of a circular knitting machine, which comprises a support cross frame plate and guide rollers arranged at two ends of the support cross frame plate, and further comprises a positive and negative tooth screw rod arranged on one side of the support cross frame plate; the two groups of guide main discs are arranged on the same side of the positive and negative tooth screw rod and are oppositely distributed; the guide connecting disc is arranged on one side of the guide main disc, and guide sliding rails are fixedly arranged on the surfaces of the guide main disc and the guide connecting disc; and the positioning insertion rod is arranged on one side, close to the guide main disc, of the guide connecting disc. The side, away from the positioning insertion rod, of the guiding connection disc is also provided with the positioning insertion hole connected with the other positioning insertion rod in an inserted mode, so that different numbers of guiding connection discs can be increased according to the number of the knitting threads, the whole adjusting device can synchronously bear more knitting threads, the application range is widened, and the application capacity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of large circular knitting machines, in particular to a yarn conveying tension regulating device for large circular knitting machines. Background Art

[0002] Circular knitting machine, scientifically known as circular weft knitting machine, has developed rapidly due to its multiple loop forming systems (called yarn feeding paths or loop forming paths in enterprises, referred to as paths), high speed, high output, fast pattern change, good fabric quality, fewer processes and strong product adaptability. Ordinary single-sided circular knitting machines have single-needle channel, two-needle channel, three-needle channel, four-needle channel and six-needle channel models.

[0003] Through patent search, it was found that the tension-adjustable tension tensioning structure for a large circular knitting machine with publication number CN220376886U, when the knitting thread becomes loose and the pressure sensor detects that the pressure is lower than the set threshold, the motor rotates through the third shaft to drive the first support plate to deflect, thereby increasing the inclination angle of the first support plate, and re-tensioning the knitting thread to achieve automatic adjustment, thereby preventing the knitting thread from detaching or being damaged due to loosening, and improving the knitting efficiency. Although the above-mentioned comparative document can realize the adjustment of the tensioning angle, the wire wheels at both ends are separately arranged and cannot carry a large number of groups of knitting threads at the same time, which causes certain inconveniences in use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a yarn conveying tension adjustment device for a large circular knitting machine, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: comprising: a supporting cross frame plate and guide rollers installed at both ends of the supporting cross frame plate,

[0006] Also includes:

[0007] The positive and negative threaded screws are arranged on one side of the supporting cross frame plate;

[0008] Two sets of guide main discs are arranged and arranged on opposite sides of the positive and negative threaded rods;

[0009] The guide connecting plate is arranged on one side of the guide main plate, and the surfaces of the guide main plate and the guide connecting plate are both fixedly provided with guide rails;

[0010] The positioning plug rod is arranged on one side of the guide connecting plate close to the guide main plate, and a positioning plug hole which is plugged and matched with the positioning plug rod is provided on the surface of the guide slide rail located on the side wall of the guide main plate.

[0011] Furthermore, opposite sleeves on the outer walls of the positive and negative threaded rods are provided with movable kits, and the two sets of movable kits are connected to the guide main disk through a connecting structure, and a reinforcing connecting rod is installed on the top of the positive and negative threaded rods.

[0012] Furthermore, support column plates are fixedly provided at two points of the supporting cross frame plate, an L-shaped extension portion is provided at the bottom of the supporting column plate, and a motor for driving the forward and reverse screw rods to rotate is provided at the bottom of the forward and reverse screw rods.

[0013] Furthermore, a reinforcement screw hole is provided on the surface of the positioning rod.

[0014] Furthermore, a circular hole extending outward is arranged in the cavity of the guide main disk.

[0015] Furthermore, a limiting screw is provided on one side of the guide main disk, and the limiting screw passes through the round hole and is threadedly connected with the reinforcing screw hole.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The present application adopts a split design for the guide main disk and the guide connecting disk, and the guide main disk and the guide connecting disk are combined by extending the positioning rod into the interior of the positioning hole, and the side of the guide connecting disk away from the positioning rod is also provided with a positioning hole connected to another set of positioning rods. Therefore, different numbers of guide connecting disks can be added according to the number of knitting threads, so that the entire adjustment device can carry more knitting threads simultaneously, thereby improving the scope of application and applicability, and being more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a side view of the utility model;

[0020] Figure 3 This is an enlarged view of the guide main plate of the utility model;

[0021] Figure 4 This is an enlarged view of the positioning rod of the utility model.

[0022] In the figure: 1. Support cross frame plate; 2. Support column plate; 3. Guide roller; 4. Reinforcement connecting rod; 5. Positive and negative threaded screw; 6. Moving kit; 7. Guide main plate; 8. Guide slide rail; 9. Positioning socket; 10. Guide connecting plate; 11. Positioning plug rod; 12. Limit screw; 15. Reinforcement screw hole. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 , including: a supporting cross frame plate 1 and guide rollers 3 installed at both ends of the supporting cross frame plate 1, two groups of guide rollers 3 are located on the same side of the supporting cross frame plate 1, two groups of spaced support column plates 2 are fixed on the surface of the supporting cross frame plate 1, and an L-shaped extension is arranged at the bottom of the supporting column plate 2, and the extension is used to support the entire device, the positive and negative threaded rods 5 are arranged on one side of the supporting cross frame plate 1, and the positive and negative threaded rods 5 are placed longitudinally, and a motor for driving the positive and negative threaded rods 5 to rotate is arranged at the bottom of the positive and negative threaded rods 5, and a reinforcing connecting rod 4 is also fixed on the surface of the supporting cross frame plate 1, and the upper and lower ends of the reinforcing connecting rod 4 are provided with bending portions toward one side of the supporting cross frame plate 1, and the bending portion at the top of the reinforcing connecting rod 4 is connected to the top of the positive and negative threaded rods 5, and the bottom of the reinforcing connecting rod 4 The bent portion is connected to the base of the motor, and two groups of movable meshing moving kits 6 are arranged on the outer surface of the positive and negative threaded rods 5, and sliding rods are longitudinally inserted in the two groups of moving kits 6. After the motor is started, the two groups of moving kits 6 can be moved synchronously by rotating the positive and negative threaded rods 5, and the sliding rod is used to keep the movement of the moving kit 6 stable. Two groups of guide main disks 7 are arranged, and they are arranged on the same side of the positive and negative threaded rods 5. A connecting structure is arranged between the moving kit 6 and the guide main disk 7. The connecting structure is the same as the first support plate, sliding channel, first slider, second slider, telescopic member, spring, pressure sensor structure design and use and principle in the comparative document in the background technology, and both can detect tension while keeping the guide main disk 7 stable;

[0025] The guide connecting disk 10 is arranged on one side of the guide main disk 7. The surfaces of the guide main disk 7 and the guide connecting disk 10 are fixed with guide rails 8. Both ends of the guide connecting disk 10 are provided with guide rails 8. After the guide connecting disk 10 and the guide rails 8 between the guide main disk 7 are combined, an arc-shaped groove is formed for carrying knitting threads. A protruding positioning rod 11 and a concave positioning socket 9 are respectively fixed on the surface of the guide rail 8 at the guide connecting disk 10, and a concave positioning socket 9 is also provided on the surface of the guide rail 8 at the guide main disk 7. At the same time, the positioning rod 11 can be inserted into the groove of the positioning socket 9. Therefore, the positioning rod 11 is inserted into the positioning socket 9 to make the guide connecting disk 10 and the guide slide rail 8 of the guide main disk 7 are butted against each other, and a reinforcing screw hole 15 is opened on the surface of the positioning plug rod 11, and a round hole is set in the cavity of the guide main disk 7, and the round hole extends outward through the guide main disk 7. After the positioning plug rod 11 is extended into the positioning socket 9 and is completely immersed in it, the reinforcing screw hole 15 is aligned with the round hole, and the limiting screw 12 set outside the guide main disk 7 can enter into the round hole, and the thread at the front end of the limiting screw 12 can be engaged with the thread of the reinforcing screw hole 15, and the larger area of ​​the rear end of the limiting screw 12 is retained on the outside of the guide main disk 7. Therefore, the positioning plug rod 11 can be restricted in the hole of the positioning socket 9, thereby completing the combination and fixation of the guide connecting disk 10 and the guide main disk 7.

[0026] 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 yarn conveying tension adjustment device for a large circular knitting machine, comprising: A supporting cross frame plate (1) and guide rollers (3) installed at both ends of the supporting cross frame plate (1), It is characterized by further comprising: A positive and negative threaded rod (5) is arranged on one side of the supporting cross frame plate (1); Two sets of guide main discs (7) are arranged and arranged on the same side of the positive and negative threaded rods (5) and opposite to each other; The guide connecting plate (10) is arranged on one side of the guide main plate (7), and the surfaces of the guide main plate (7) and the guide connecting plate (10) are both fixedly provided with guide slide rails (8); The positioning rod (11) is arranged on a side of the guide connecting plate (10) close to the guide main plate (7), and a positioning hole (9) adapted to be plugged into the positioning rod (11) is provided on the surface of the guide slide rail (8) located on the side wall of the guide main plate (7).

2. The yarn conveying tension adjustment device for a large circular knitting machine according to claim 1, characterized in that: The outer walls of the positive and negative threaded rods (5) are oppositely sleeved with movable sets (6), and the two sets of movable sets (6) are connected to the guide main disk (7) through a connecting structure.

3. The yarn conveying tension adjusting device for a large circular knitting machine according to claim 1, characterized in that: A supporting column plate (2) is fixedly provided at two points of the supporting cross frame plate (1), an L-shaped extension portion is provided at the bottom of the supporting column plate (2), a motor for driving the forward and reverse threaded rods (5) to rotate is provided at the bottom of the forward and reverse threaded rods (5), and a reinforcing connecting rod (4) is installed at the top of the forward and reverse threaded rods (5).

4. The yarn conveying tension adjusting device for a large circular knitting machine according to claim 1, characterized in that: A reinforcement screw hole (15) is provided on the surface of the positioning insertion rod (11).

5. The yarn conveying tension adjusting device for a large circular knitting machine according to claim 1, characterized in that: A circular hole extending outward is arranged in the cavity of the guide main disk (7).

6. The yarn conveying tension adjusting device for a large circular knitting machine according to claim 1, characterized in that: A limiting screw rod (12) is arranged on one side of the guide main plate (7), and the limiting screw rod (12) passes through the circular hole and is threadedly connected with the reinforcing screw hole (15).

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