Yarn clamping mechanism of knitting machine

Abstract

The utility model relates to the technical field of knitting machines, and provides a yarn clamping mechanism of a knitting machine, which comprises a mounting seat, a cylinder is fixedly connected to one side of the mounting seat, a threaded rod is rotatably connected to the middle of the interior of the cylinder, a left yarn pressing sheet and a right yarn pressing sheet are sleeved outside the cylinder, and the left yarn pressing sheet and the right yarn pressing sheet are arranged on the mounting seat. The left wire pressing piece is located on the side close to the installation base, and the upper end of the left wire pressing piece and the upper end of the right wire pressing piece are each provided with a fixing assembly. According to the yarn clamping mechanism of the knitting machine, the moving block is limited by the sliding block and the limiting groove to get close to the left yarn pressing piece, the moving block drives the connecting rod and the right yarn pressing piece to move towards the left yarn pressing piece, and therefore knitting yarns of different sizes can be pressed; the left thread pressing piece and the right thread pressing piece can be quickly disassembled and assembled, the left thread pressing piece and the right thread pressing piece can be conveniently replaced, and wool on the surfaces of the left thread pressing piece and the right thread pressing piece can be conveniently cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to knitting machine technical field, especially a knitting machine's line clamping mechanism. BACKGROUND

[0002] With the continuous development of science and technology, the automation degree of sewing machine is higher and higher, the existing sewing machine generally is equipped with automatic thread cutting mechanism, can use automatic thread cutting mechanism to cut off the sewing thread to separate the sewing thread and cloth after cloth is put into sewing machine and starts to be sewn in place, this can save sewing time and reduce the labor intensity of sewing workers.

[0003] At present, the existing patent with the patent number CN211848351U discloses a line clamping mechanism in knitting machine, the line clamping mechanism includes T-shaped column, the left end of T-shaped column is fixedly connected with connecting rod, the right end of T-shaped column is connected with mounting rod, the right part of mounting rod is equipped with external thread, the line clamping mechanism further includes left pressure line piece, right pressure line piece, movable spring seat, adjusting turntable and spring, the center of left pressure line piece and right pressure line piece is equipped with through hole, the size of through hole is matched with the size of long column of T-shaped column, the adjusting turntable, movable spring seat and other structures are set, the compression degree of spring can be adjusted according to actual conditions, the knitting thread can be stably clamped between left and right pressure line pieces, and the phenomenon of winding jamming can be avoided, the sleeve is set, the knitting thread can be prevented from winding on spring and other structures, and the device is easy to disassemble and install.

[0004] But in the implementation process of the above technical scheme, at least the following technical problems are found: the above scheme only relies on the restoring force of spring to clamp the knitting thread, the force of spring is not stable during clamping, and the knitting thread cannot be effectively clamped, in addition, the above scheme cannot quickly disassemble and assemble the pressure line piece, and the pressure line piece is inconvenient to replace and clean subsequently, therefore, the utility model provides a line clamping mechanism of knitting machine. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the defects of the prior art, the utility model provides a line clamping mechanism of knitting machine, which solves the technical problems that the above scheme only relies on the restoring force of spring to clamp the knitting thread, the force of spring is not stable during clamping, and the knitting thread cannot be effectively clamped, in addition, the above scheme cannot quickly disassemble and assemble the pressure line piece, and the pressure line piece is inconvenient to replace and clean subsequently.

[0007] (II) technical scheme

[0008] To achieve the above purposes, the utility model is realized by the following technical scheme:

[0009] The thread clamping mechanism of the knitting machine comprises a mounting base, a cylindrical barrel fixedly connected to one side of the mounting base, a threaded rod rotatably connected to the middle of the inside of the cylindrical barrel, a left thread pressing piece and a right thread pressing piece sleeved on the outside of the cylindrical barrel, the left thread pressing piece being located on the side close to the mounting base, and a fixed component provided on the upper end of each of the left thread pressing piece and the right thread pressing piece.

[0010] Preferably, the outside of the threaded rod is threadedly connected with a moving block, the top of the moving block is fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with a fixed block two, the bottom end of the moving block is fixedly connected with a sliding block, and the inside of the cylindrical barrel is provided with a limiting groove corresponding to the sliding block.

[0011] The technical effect of the above further scheme is that the threaded rod is rotated, at this time, the moving block is close to the left thread pressing piece under the limitation of the sliding block and the limiting groove, the moving block drives the connecting rod and the right thread pressing piece to move to the left thread pressing piece, so that the thread pressing can be realized on the knitting thread of different sizes.

[0012] Preferably, the fixed component comprises a bent clamping rod, the bent clamping rod is inserted into the middle of the right thread pressing piece, a restoring spring is fixedly connected between the top of the bent clamping rod and the right thread pressing piece, the middle of the restoring spring is provided with a guide column, the two ends of the guide column are welded with the inner wall of the right thread pressing piece, the guide column is slidingly embedded in the middle of the bent clamping rod, the top of the fixed block two is provided with a positioning hole corresponding to the bent clamping rod, the right bent clamping rod is inserted into the inside of the left thread pressing piece, the bottom end of the bent clamping rod is provided with a fixed block one, the fixed block one is fixedly connected above the cylindrical barrel, and the top end of the fixed block one is provided with a clamping hole corresponding to the bent clamping rod.

[0013] The technical effect of the above further scheme is that the left thread pressing piece and the right thread pressing piece are used for a long time, a large amount of fine hair of the knitting thread falling off is attached to the surface of the left thread pressing piece and the right thread pressing piece, the bent clamping rod can be pulled upward, at this time, the restoring spring is compressed, the bottom end of the bent clamping rod is separated from the positioning hole above the fixed block two, the right thread pressing piece can be taken out from the outside of the cylindrical barrel, when the right thread pressing piece is fixed, the right thread pressing piece is sleeved above the cylindrical barrel, the notch of the right thread pressing piece is aligned with the fixed block two, the right thread pressing piece is sleeved outside the fixed block two, the bent clamping rod enters the inside of the positioning hole under the restoring force of the restoring spring, and the right thread pressing piece can be installed, and the left thread pressing piece can be quickly disassembled.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model discloses a thread pressing mechanism of knitting machine, through setting up screw rod, moving block, sliding block, limiting slot, connecting rod and fixed block two, rotate screw rod, moving block is under the restriction of sliding block and limiting slot and left pressure line piece and draw close to each other to left pressure line piece, and moving block drives connecting rod and right pressure line piece and left pressure line piece moves, so this can realize to the knitting thread of different size and press line.

[0017] 2. The utility model discloses a fixing assembly is set up, under the cooperation of bending clamp lever, guide column, restoration spring and positioning hole, can realize the quick dismounting of left pressure line piece and right pressure line piece, is convenient for replacing left pressure line piece and right pressure line piece and cleaning the hairiness on its surface. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following detailed description of the preferred examples of the utility model and cooperate with the drawings.

[0019] Figure 1 It is the schematic diagram of the structure of the front view of the embodiment of the utility model;

[0020] Figure 2 It is the schematic diagram of the structure of the section of the embodiment of the utility model;

[0021] Figure 3 It is the schematic diagram of the structure of the section of the embodiment of the utility model; Figure 2 It is the schematic diagram of the structure of the section of the embodiment of the utility model;

[0022] Figure 4 It is the schematic diagram of the structure of the section of the embodiment of the utility model; Figure 2 It is the schematic diagram of the structure of the section of the embodiment of the utility model.

[0023] Legend: 1, mounting seat; 2, cylindrical barrel; 3, left pressure line piece; 31, fixed block one; 4, right pressure line piece; 5, fixing assembly; 51, bending clamp lever; 52, guide column; 53, restoration spring; 55, positioning hole; 6, screw rod; 61, moving block; 62, sliding block; 63, limiting slot; 64, connecting rod; 65, fixed block two. DETAILED DESCRIPTION

[0024] The embodiment of the application provides a kind of thread clamping mechanism of knitting machine, by setting screw rod, moving block, sliding block, limiting slot, connecting rod and fixed block two, rotate screw rod, moving block is under the restriction of sliding block and limiting slot and left pressure line piece and draw close to each other to left pressure line piece, and moving block drives connecting rod and right pressure line piece and left pressure line piece moves, so this can realize to the knitting thread of different size and press line, by setting fixing assembly, under the cooperation of bending clamp lever, guide column, restoration spring and positioning hole, can realize the quick dismounting of left pressure line piece and right pressure line piece, is convenient for replacing left pressure line piece and right pressure line piece and cleaning the hairiness on its surface.

[0025] Embodiment 1

[0026] The technical scheme in the embodiment of the application effectively solves the technical problem in the prior art that the spring is not stable in the clamping process and cannot effectively clamp the knitting line, and the prior art cannot quickly disassemble and assemble the line pressing piece, which is not convenient for subsequent replacement and cleaning of the line pressing piece.

[0027] As shown in Figures 1 to 4 , to solve the problems in the prior art, the utility model provides a knitting machine's thread clamping mechanism, including the mounting seat 1, one side of mounting seat 1 is fixedly connected with the cylinder 2, the inside middle part of cylinder 2 is rotatably connected with the threaded rod 6, the outside of cylinder 2 is equipped with left line pressing piece 3 and right line pressing piece 4, left line pressing piece 3 is located on the side close to mounting seat 1, the upper end of left line pressing piece 3 and right line pressing piece 4 is provided with fixed assembly 5, the outside of threaded rod 6 is threadedly connected with moving block 61, the top of moving block 61 is fixedly connected with connecting rod 64, the top end of connecting rod 64 is fixedly connected with fixed block two 65, the bottom end of moving block 61 is fixedly connected with sliding block 62, the inside of cylinder 2 is provided with the limiting slot 63 corresponding with sliding block 62.

[0028] By adopting the above technical scheme, the knitting line is placed between the left line pressing piece 3 and the right line pressing piece 4, the threaded rod 6 is rotated, at this time, the moving block 61 is close to the left line pressing piece 3 under the limitation of the sliding block 62 and the limiting slot 63, the moving block 61 drives the connecting rod 64 and the right line pressing piece 4 to move to the left line pressing piece 3, so that the line pressing on the knitting line of different sizes can be realized.

[0029] Embodiment 2

[0030] As shown in Figures 1 to 4 , the fixed assembly 5 includes the bent clamping rod 51, the bent clamping rod 51 is inserted in the middle part of the right line pressing piece 4, the top of the bent clamping rod 51 and the right line pressing piece 4 are fixedly connected with the restoring spring 53, the middle part of the restoring spring 53 is provided with the guide column 52, the both ends of the guide column 52 are welded with the inner wall of the right line pressing piece 4, the guide column 52 is slidingly embedded in the middle part of the bent clamping rod 51, the top of the fixed block two 65 is provided with the positioning hole 55 corresponding with the bent clamping rod 51, the inside of the left line pressing piece 3 is inserted with the bent clamping rod 51, the bottom end of the bent clamping rod 51 is provided with the fixed block one 31, the fixed block one 31 is fixedly connected above the cylinder 2, and the top end of the fixed block one 31 is provided with the clamping hole corresponding with the bent clamping rod 51.

[0031] By adopting the above technical scheme, the left pressing wire sheet 3 and the right pressing wire sheet 4 can be pulled up for a long time, and a large amount of fine hair of the knitting line can be attached to the surface, the bent clamping rod 51 can be pulled up, the bottom end of the bent clamping rod 51 is separated from the positioning hole 55 above the fixed block two 65 under the compression of the restoring spring 53, the right pressing wire sheet 4 can be taken out from the outside of the cylindrical barrel 2, when the right pressing wire sheet 4 is fixed, the right pressing wire sheet 4 is sleeved above the cylindrical barrel 2, the notch of the right pressing wire sheet 4 is aligned with the fixed block two 65, and the right pressing wire sheet 4 is sleeved outside the fixed block two 65, the bent clamping rod 51 enters the positioning hole 55 under the action of the restoring force of the restoring spring 53, and the right pressing wire sheet 4 can be installed, and the left pressing wire sheet 3 can be quickly disassembled.

[0032] Working principle: in use, the knitting line is placed between the left pressing wire sheet 3 and the right pressing wire sheet 4, the threaded rod 6 is rotated, the moving block 61 is close to the left pressing wire sheet 3 under the limitation of the sliding block 62 and the limiting groove 63, the moving block 61 drives the connecting rod 64 and the right pressing wire sheet 4 to move to the left pressing wire sheet 3, so that the knitting line of different sizes can be pressed, the left pressing wire sheet 3 and the right pressing wire sheet 4 can be pulled up for a long time, and a large amount of fine hair of the knitting line can be attached to the surface, the bent clamping rod 51 can be pulled up, the bottom end of the bent clamping rod 51 is separated from the positioning hole 55 above the fixed block two 65 under the compression of the restoring spring 53, the right pressing wire sheet 4 can be taken out from the outside of the cylindrical barrel 2, when the right pressing wire sheet 4 is fixed, the right pressing wire sheet 4 is sleeved above the cylindrical barrel 2, the notch of the right pressing wire sheet 4 is aligned with the fixed block two 65, and the right pressing wire sheet 4 is sleeved outside the fixed block two 65, the bent clamping rod 51 enters the positioning hole 55 under the action of the restoring force of the restoring spring 53, and the right pressing wire sheet 4 can be installed, and the left pressing wire sheet 3 can be quickly disassembled.

[0033] It should be noted that: obviously, the above examples are only examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled persons in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or changes derived therefrom are still within the protection scope of the utility model.

Claims

1. A thread gripper mechanism of a knitting machine comprising a mounting seat (1), characterized in that: One side of mounting seat (1) is fixedly connected with cylindrical barrel (2), the inner middle part of cylindrical barrel (2) is rotatably connected with threaded rod (6), the outer part of cylindrical barrel (2) is sleeved with left wire pressing sheet (3) and right wire pressing sheet (4), left wire pressing sheet (3) is located on the side close to mounting seat (1), the upper end of left wire pressing sheet (3) and right wire pressing sheet (4) is provided with fixed assembly (5).

2. A thread gripper mechanism for a knitting machine as claimed in claim 1, characterized in that: The outer part of threaded rod (6) is threadedly connected with moving block (61), the top of moving block (61) is fixedly connected with connecting rod (64), the top end of connecting rod (64) is fixedly connected with fixed block two (65).

3. A thread gripper mechanism for a knitting machine as claimed in claim 2, characterised in that: The bottom end of moving block (61) is fixedly connected with sliding block (62), the inner part of cylindrical barrel (2) is provided with limiting groove (63) corresponding to sliding block (62).

4. A thread gripper mechanism for a knitting machine as claimed in claim 1, characterized in that: Fixed assembly (5) includes bending clamping rod (51), bending clamping rod (51) is inserted in the middle part of right wire pressing sheet (4), restoring spring (53) is fixedly connected between the top of bending clamping rod (51) and right wire pressing sheet (4).

5. A thread gripper mechanism for a knitting machine as claimed in claim 4, characterised in that: The middle part of restoring spring (53) is provided with guide column (52), both ends of guide column (52) are welded with the inner wall of right wire pressing sheet (4), guide column (52) is slidingly embedded in the middle part of bending clamping rod (51).

6. A thread gripper mechanism for a knitting machine as claimed in claim 2, characterized in that: The top of fixed block two (65) is provided with positioning hole (55) corresponding to bending clamping rod (51).

7. A thread gripper mechanism for a knitting machine as defined in claim 1, characterized in that: Right bending clamping rod (51) is inserted in the inner part of left wire pressing sheet (3), the bottom end of bending clamping rod (51) is provided with fixed block one (31).

8. A thread gripper mechanism for a knitting machine as claimed in claim 7, characterised in that: Fixed block one (31) is fixedly connected above cylindrical barrel (2), and the top end of fixed block one (31) is provided with clamping hole corresponding to bending clamping rod (51).

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