Yarn breaking prevention mechanism of warp knitting machine

Abstract

The utility model belongs to the field of warp knitting machine yarn, and particularly relates to a warp knitting machine yarn breakage prevention mechanism which comprises a base and a guide roller. An adjusting mechanism is arranged on the base and comprises two sets of adjusting discs, the two sets of adjusting discs are fixedly connected to a connecting block, the connecting block is fixedly connected with a moving block, the moving block is in threaded connection to a threaded rod, and the top end of the threaded rod is rotationally connected with the inner wall of a long plate; a connecting rod is fixedly connected to the bottom end of the threaded rod, a first bevel gear is fixedly connected to the connecting rod, the first bevel gear is meshed with a second bevel gear, a rotating rod is inserted into the second bevel gear, a motor is fixedly connected to the left side of the rotating rod, and the bottom end of the motor is fixedly connected to a supporting frame; the supporting frame is fixedly connected to the base, the connecting block is slidably connected to the interior of a movable groove, and the movable groove is formed in one side of the long plate.

Description

Technical Field

[0001] The utility model relates to the field of warp knitting machine yarns, in particular to a warp knitting machine yarn breakage prevention mechanism. Background Art

[0002] The main loop forming parts of a warp knitting machine include knitting needles, yarn guide needles, sinkers and pressure plates. The knitting needles are arranged in a row on the needle bed and move with the needle bed. The yarn guide needles are installed on the strips to form a comb bar. The warp yarn passes through the holes of the yarn guide needles and moves with the comb bar to wrap around the needles. The knitting needles, sinkers and other loop forming parts move together to weave fabrics. Generally, a break prevention mechanism is set on the warp knitting machine to prevent the yarn from breaking.

[0003] The existing yarn breaking prevention mechanism of the warp knitting machine can be specifically referred to the Chinese utility model patent with application number: CN202320644397.2, a yarn bobbin yarn winding anti-wear and anti-breaking structure, which relates to the technical field of yarn bobbins, including: a base and two yarn bobbin disks; two support plates, symmetrically fixedly installed on the top of the base, and one side of the two support plates is fixedly installed with a fixing strip. The utility model, by applying a tensile force to the guide roller, drives the bending connecting strip to rotate around the fixing rod to one side of the yarn bobbin disk, so that the curvature of the yarn bypassing the guide roller can be reduced, and the rotation of the bending connecting strip can stretch the tension spring, and under the reset force of the tension spring, the guide roller is returned to its original position through the bending connecting strip, so that the yarn returns to the initial curvature of the guide roller. In this way, when the tension on the yarn is too large, the wear of the yarn can be reduced, thereby preventing the yarn from breaking, ensuring the process of yarn winding of the yarn bobbin, and thus improving the efficiency of yarn winding of the yarn bobbin.

[0004] However, the anti-breaking structure in the above technology changes the position of the guide roller by manually pulling the bent connecting strip to reduce the tightness of the yarn, thereby preventing the yarn from being subjected to a large pulling force. However, it cannot freely adjust the tightness of the yarn and can only reduce the tightness of the yarn, resulting in the inability to effectively adjust the yarn when it is too loose. Therefore, a warp knitting machine yarn anti-breaking mechanism is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the anti-breaking structure in the above technology changes the position of the guide roller by manually pulling the bent connecting strip to reduce the tightness of the yarn, thereby preventing the yarn from being subjected to a large pulling force. However, it cannot freely adjust the tightness of the yarn and can only reduce the tightness of the yarn, resulting in the problem that the yarn cannot be effectively adjusted when it is too loose. The utility model proposes a yarn anti-breaking mechanism for a warp knitting machine.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a yarn breaking prevention mechanism of a warp knitting machine described in the utility model comprises a base and a guide roller; an adjusting mechanism is arranged on the base, and the adjusting mechanism comprises two groups of adjusting disks, and the two groups of adjusting disks are fixedly connected to a connecting block, the connecting block is fixedly connected to a moving block, the moving block is threadedly connected to a threaded rod, the top of the threaded rod is rotatably connected to the inner wall of a long plate, the bottom end of the threaded rod is fixedly connected to a connecting rod, the connecting rod is fixedly connected to a first bevel gear, the first bevel gear is meshed with a second bevel gear, a rotating rod is inserted inside the second bevel gear, a motor is fixedly connected to the left side of the rotating rod, the bottom end of the motor is fixedly connected to a supporting frame, the supporting frame is fixedly connected to the base, the connecting block is slidably connected to the inside of a movable groove, the movable groove is arranged on one side of the long plate, and two groups of cavities are arranged inside the base.

[0007] Preferably, two groups of guide rods are passed through the interior of the moving block, and the top and bottom ends of the guide rods are fixedly connected to the top and bottom ends of the inner wall of the long board.

[0008] Preferably, a fixing plate is fixedly connected inside the long plate, the threaded rod passes through the fixing plate, and the fixing plate is kept level with the bottom end of the movable groove.

[0009] Preferably, support blocks are sleeved on both left and right sides of the rotating rod, the rotating rod is rotatably connected to the support blocks, and the bottom end of the support block is fixedly connected to the inner wall of the cavity.

[0010] Preferably, protrusions are fixedly connected to both the front and rear sides of the long board, and bolts are threadedly connected to the bottom end of the support frame and the protrusions.

[0011] Preferably, a pad is fixedly connected to the top of the inner wall of the long board, and the pad is made of rubber.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model adopts the structural design of the adjustment mechanism, and the motor drives the second bevel gear to rotate and drives the first bevel gear to rotate, so that the threaded rod inside the long plate rotates, and the moving block on the threaded rod moves up and down, and the adjusting disk can move together with the moving block, so as to change the tightness of the yarn and adjust the situation when the yarn is too loose or too tight, which solves the problem that the anti-breaking structure in the above technology changes the position of the guide roller by manually pulling the bent connecting strip to reduce the tightness of the yarn, thereby preventing the yarn from being subjected to a large pulling force, but it cannot freely adjust the tightness of the yarn, and can only reduce the tightness of the yarn, resulting in the problem that the yarn cannot be effectively adjusted when it is too loose;

[0014] 2. The utility model guides the moving block during movement through the structural design of the guide rod to ensure that the moving block can move stably on the threaded rod and prevent the moving block from rotating with the rotation of the threaded rod, causing the connecting block to abut against the inner wall of the movable groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

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

[0017] Figure 2 It is a schematic diagram of the structure inside the long board of the utility model;

[0018] Figure 3 It is a schematic diagram of the upper cross-section structure of the long board of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure inside the cavity of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the utility model viewed from above.

[0021] In the figure: 1, base; 20, guide roller; 21, long board; 22, moving block; 23, threaded rod; 24, movable groove; 25, connecting block; 26, adjusting plate; 27, connecting rod; 28, first bevel gear; 29, second bevel gear; 30, rotating rod; 31, cavity; 32, motor; 33, support frame; 34, support block; 35, guide rod; 36, cushion block; 37, fixing plate; 38, protrusion. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1 - Figure 5As shown, a warp knitting machine yarn breakage prevention mechanism includes a base 1 and a guide roller 20; an adjustment mechanism is arranged on the base 1, and the adjustment mechanism includes two groups of adjustment disks 26, and the two groups of adjustment disks 26 are fixed to the connecting block 25 by welding, and the connecting block 25 is welded and fixed to the moving block 22, and the moving block 22 is threadedly connected to the threaded rod 23, and the moving block 22 is rectangular in design and smaller in size than the long plate 21, so as to ensure that the moving block 22 will not contact the inner wall of the long plate 21 when moving inside the long plate 21, and the top end of the threaded rod 23 is rotatably connected to the inner wall of the long plate 21, and the bottom end of the threaded rod 23 is fixedly connected to the connecting rod 27, and the connecting rod 27 is cylindrical, and its bottom end is inserted into the cavity The interior of 31 is used to connect the threaded rod 23 and the first bevel gear 28. The first bevel gear 28 is fixedly connected to the connecting rod 27. The first bevel gear 28 is meshed with the second bevel gear 29. A rotating rod 30 is inserted into the interior of the second bevel gear 29. A motor 32 is fixedly connected to the left side of the rotating rod 30. The bottom end of the motor 32 is fixedly connected to the support frame 33. The support frame 33 is fixedly connected to the base 1. The connecting block 25 is slidably connected to the inside of the movable groove 24. The movable groove 24 is opened on one side of the long board 21. Two groups of cavities 31 are opened inside the base 1. The cavity 31 is rectangular in design. The inner wall of the cavity 31 does not contact the first bevel gear 28 and the second bevel gear 29.

[0024] When working, the anti-breaking structure in the above technology changes the position of the guide roller by manually pulling the bent connecting strip to reduce the tightness of the yarn, thereby preventing the yarn from being subjected to a large pulling force. However, it cannot freely adjust the tightness of the yarn, but can only reduce the tightness of the yarn, resulting in the inability to effectively adjust the yarn when it is too loose. Through the structural design of the adjustment mechanism, the motor 32 drives the second bevel gear 29 to rotate and drives the first bevel gear 28 to rotate, thereby rotating the threaded rod 23 inside the long plate 21, and the moving block 22 on the threaded rod 23 will move up and down, and the adjusting disk 26 can move with the moving block 22, thereby changing the tightness of the yarn and adjusting the situation when the yarn is too loose or too tight. When the tightness of the yarn needs to be adjusted, First, the second bevel gear 29 is driven to rotate by the motor 32, and the second bevel gear 29 and the first bevel gear 28 are meshed to convert the vertical rotation of the second bevel gear 29 into the horizontal rotation of the first bevel gear 28, and the threaded rod 23 inside the long plate 21 is driven to rotate through the connecting rod 27, and the moving block 22 threadedly connected to the threaded rod 23 will also move up and down, so that the adjusting disk 26 moves downward, thereby adjusting the tightness of the yarn on the bottom end of the adjusting disk 26, wherein the yarn is led out from the bottom end of the adjusting disk 26 through the guide roller 20, and the first bevel gear 28 and the second bevel gear 29 are both provided with two groups for driving the two groups of threaded rods 23 to rotate, and transmit power through the rotating rod 30, and the first bevel gear 28 and the second bevel gear 29 are both arranged inside the cavity 31.

[0025] Furthermore, two sets of guide rods 35 are inserted into the interior of the moving block 22, and the top and bottom ends of the guide rods 35 are welded and fixed to the top and bottom ends of the inner wall of the long plate 21;

[0026] During operation, the movable block 22 is guided by the structural design of the guide rod 35 to ensure that the movable block 22 can move stably on the threaded rod 23, thereby preventing the movable block 22 from rotating with the rotation of the threaded rod 23, causing the connecting block 25 to abut against the inner wall of the movable groove 24.

[0027] Furthermore, a fixing plate 37 is welded and fixed inside the long plate 21. The fixing plate 37 is rectangular and has the same size as the inner wall of the long plate 21 so as to be fixed inside the long plate 21. The threaded rod 23 passes through the fixing plate 37. The fixing plate 37 is kept level with the bottom end of the movable groove 24.

[0028] During operation, the fixed plate 37 is fixed to the inside of the long plate 21 by welding and the fixed plate 37 is kept level with the bottom end of the movable groove 24. The downward movement range of the movable block 22 is limited by the fixed plate 37 to ensure that the movable block 22 moves normally within the range of the movable groove 24. The threaded rod 23 passes through the fixed plate 37, and a circular hole corresponding to the threaded rod 23 is opened on the fixed plate 37, and the fixed plate 37 does not contact the threaded rod 23.

[0029] Furthermore, support blocks 34 are sleeved on both the left and right sides of the rotating rod 30, the rotating rod 30 is rotatably connected to the support blocks 34, and the bottom end of the support blocks 34 is fixedly connected to the inner wall of the cavity 31;

[0030] During operation, the support block 34 is sleeved on the left and right sides of the rotating rod 30. The support block 34 can provide support to the left and right sides of the rotating rod 30 while rotating with the rotating rod 30, thereby ensuring that the position height of the rotating rod 30 does not change. The bottom end of the support block 34 is fixed to the inner wall of the cavity 31 by bolts, and the left and right sides of the rotating rod 30 are respectively inserted into the two groups of cavities 31.

[0031] Furthermore, protrusions 38 are welded and fixed on both the front and rear sides of the long plate 21. The protrusions 38 are rectangular in design. Bolts are threadedly connected to the bottom end of the support frame 33 and the protrusions 38.

[0032] During operation, the long board 21 is fixed to the top of the base 1 by two groups of protrusions 38 on the bottom and bolts threadedly connected to the protrusions 38 for easy installation and removal. The support frame 33 is also fixed to the left side of the base 1 by bolts.

[0033] Furthermore, a pad 36 is glued and fixed on the top of the inner wall of the long board 21, and the pad 36 is made of rubber;

[0034] During operation, the cushion block 36 is fixed to the inside of the long board 21 by gluing, and is used to provide a buffer between the top of the moving block 22 and the inner wall of the long board 21 , wherein the two sets of guide rods 35 also pass through the cushion block 36 .

[0035] Working principle: The anti-breaking structure in the above technology changes the position of the guide roller by manually pulling the bent connecting strip to reduce the tightness of the yarn, thereby preventing the yarn from being subjected to a large pulling force. However, it cannot freely adjust the tightness of the yarn, but can only reduce the tightness of the yarn, resulting in the inability to effectively adjust the yarn when it is too loose. Through the structural design of the adjustment mechanism, the motor 32 drives the second bevel gear 29 to rotate and drives the first bevel gear 28 to rotate, thereby rotating the threaded rod 23 inside the long plate 21, and the moving block 22 on the threaded rod 23 will move up and down, and the adjusting disk 26 can move with the moving block 22, thereby changing the tightness of the yarn and adjusting the situation when the yarn is too loose or too tight. When the tightness of the yarn needs to be adjusted First, the second bevel gear 29 is driven to rotate by the motor 32, and the second bevel gear 29 and the first bevel gear 28 are meshed to convert the vertical rotation of the second bevel gear 29 into the horizontal rotation of the first bevel gear 28, and the threaded rod 23 inside the long plate 21 is driven to rotate through the connecting rod 27, and the moving block 22 threadedly connected to the threaded rod 23 will also move up and down, so that the adjusting disk 26 moves downward, thereby adjusting the tightness of the yarn on the bottom end of the adjusting disk 26, wherein the yarn is led out from the bottom end of the adjusting disk 26 through the guide roller 20, and the first bevel gear 28 and the second bevel gear 29 are both provided with two groups for driving the two groups of threaded rods 23 to rotate, and transmit power through the rotating rod 30, and the first bevel gear 28 and the second bevel gear 29 are both arranged inside the cavity 31.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A warp knitting machine yarn breakage prevention mechanism, comprising a base (1) and a guide roller (20); characterized in that: The base (1) is provided with an adjustment mechanism, which comprises two groups of adjustment disks (26), both of which are fixedly connected to the connecting block (25), the connecting block (25) is fixedly connected to the moving block (22), the moving block (22) is threadedly connected to the threaded rod (23), the top end of the threaded rod (23) is rotatably connected to the inner wall of the long plate (21), the bottom end of the threaded rod (23) is fixedly connected to the connecting rod (27), the connecting rod (27) is fixedly connected to the first bevel gear (28), the first bevel gear (28) is fixedly connected to the first bevel gear (28), and the first bevel gear (28) is fixedly connected to the first bevel gear (28). A bevel gear (28) is meshed with a second bevel gear (29); a rotating rod (30) is inserted into the interior of the second bevel gear (29); a motor (32) is fixedly connected to the left side of the rotating rod (30); the bottom end of the motor (32) is fixedly connected to a support frame (33); the support frame (33) is fixedly connected to the base (1); the connecting block (25) is slidably connected to the interior of a movable groove (24); the movable groove (24) is provided on one side of the long board (21); and two groups of cavities (31) are provided inside the base (1).

2. The yarn breaking prevention mechanism for a warp knitting machine according to claim 1, characterized in that: Two groups of guide rods (35) are inserted into the interior of the moving block (22), and the top and bottom ends of the guide rods (35) are fixedly connected to the top and bottom ends of the inner wall of the long plate (21).

3. The yarn breaking prevention mechanism for a warp knitting machine according to claim 2, characterized in that: A fixing plate (37) is fixedly connected inside the long plate (21), the threaded rod (23) passes through the fixing plate (37), and the fixing plate (37) is kept level with the bottom end of the movable groove (24).

4. The yarn breaking prevention mechanism for a warp knitting machine according to claim 3, characterized in that: Support blocks (34) are sleeved on both left and right sides of the rotating rod (30), the rotating rod (30) is rotatably connected to the support block (34), and the bottom end of the support block (34) is fixedly connected to the inner wall of the cavity (31).

5. The yarn breaking prevention mechanism for a warp knitting machine according to claim 4, characterized in that: The front and rear sides of the long board (21) are both fixedly connected with protrusions (38), and the bottom end of the support frame (33) and the protrusions (38) are both threadedly connected with bolts.

6. The yarn breaking prevention mechanism for a warp knitting machine according to claim 5, characterized in that: A cushion block (36) is fixedly connected to the top end of the inner wall of the long plate (21), and the cushion block (36) is made of rubber.

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