Yarn guide mechanism for circular knitting machine

Abstract

The utility model relates to the technical field of circular knitting machines, and discloses a yarn guide mechanism for a large circular knitting machine. The yarn guide mechanism of the utility model comprises: a fixed seat, a connecting plate, a guide wheel and a yarn guide mouth, the connecting plate is arranged on the fixed seat, the guide wheel and the yarn guide mouth are arranged on the connecting plate, the yarn guide mouth is provided with a first channel, a second channel and a boss, the entrances of the first channel and the second channel are arranged on the front of the yarn guide mouth, the exit of the first channel is arranged on the back of the yarn guide mouth, the exit of the second channel is arranged on the bottom surface of the yarn guide mouth, and the boss is arranged on the front of the yarn guide mouth. In the yarn guide mechanism of the utility model, the first yarn and the second yarn are respectively arranged in the first channel and the second channel of the yarn guide mouth, and are fed into the needle hook of the knitting needle, and the spatial staggered angle between the two is large; after being guided by the guide wheel, the spandex yarn bypasses from under the boss of the yarn guide mouth, and the boss accurately feeds the spandex yarn into the needle hook of the knitting needle; and the spandex yarn will not accumulate dust, thereby improving the weaving quality of the fabric.

Description

Technical Field

[0001] The utility model embodiment relates to the technical field of circular knitting machines, and in particular to a yarn guide mechanism for large circular knitting machines. Background Art

[0002] The circular knitting machine feeds the yarn from the weft direction to the working needles of the circular knitting machine, so that the yarn is bent into loops sequentially and interlaced with each other in the longitudinal direction to form a woven fabric.

[0003] When the circular knitting machine is knitting plain plated fabric, all the loops are composed of three yarns (the first yarn covers the second yarn + spandex yarn), the face yarn (spandex yarn) is on the front side of the fabric, and the ground yarn (the first and second yarns) is on the back side of the fabric. The yarn is fed into the needle hook of the circular knitting machine through the yarn guide mechanism.

[0004] The inventor of the present application has found that the yarn guide mechanism of the current circular knitting machine cannot accurately feed the spandex yarn into the needle hook of the knitting needle, and the spandex yarn is prone to accumulate dust when being fed in, which affects the quality of the fabric. Utility Model Content

[0005] The utility model aims to provide a yarn guiding mechanism for a circular knitting machine to solve the problems in the above-mentioned background technology.

[0006] The utility model provides a yarn guide mechanism for a circular knitting machine, comprising: a fixed seat, a connecting plate, a guide wheel and a yarn guide nozzle;

[0007] The fixing seat is used for fixing;

[0008] The connecting plate is arranged on the fixing seat, and the guide wheel and the yarn guide nozzle are arranged at the bottom end of the connecting plate and are respectively located on two opposite sides of the connecting plate;

[0009] The yarn guide nozzle is provided with a first channel, a second channel and a boss;

[0010] The entrances of the first channel and the second channel are both arranged on the front side of the yarn guide nozzle, the exit of the first channel is arranged on the back side of the yarn guide nozzle, the exit of the second channel is arranged on the bottom side of the yarn guide nozzle, and the boss is arranged on the front side of the yarn guide nozzle;

[0011] The first channel and the second channel are used for allowing the first yarn and the second yarn to pass through respectively, the guide wheel is used for guiding the spandex yarn, and the boss is used for abutting against the spandex yarn so that the spandex yarn is fed into the needle hook of the circular knitting machine.

[0012] Based on the above scheme, it can be known that the yarn guide mechanism for a large circular knitting machine of the utility model is provided with a fixed seat, a connecting plate, a guide wheel and a yarn guide nozzle, the connecting plate is provided on the fixed seat, the guide wheel and the yarn guide nozzle are provided on the connecting plate, the yarn guide nozzle is provided with a first channel, a second channel and a boss, the entrances of the first channel and the second channel are both provided on the front of the yarn guide nozzle, the exit of the first channel is provided on the back of the yarn guide nozzle, the exit of the second channel is provided on the bottom of the yarn guide nozzle, and the boss is provided on the front of the yarn guide nozzle. The yarn guide mechanism for a large circular knitting machine of the utility model, the guide wheel and the yarn guide nozzle are provided on the connecting plate, and are located near the knitting needles of the large circular knitting machine. The first yarn and the second yarn are respectively passed through the first channel and the second channel of the yarn guide nozzle, and then fed into the knitting needle hooks of the circular knitting machine; the spandex yarn is guided by the guide wheel and bypasses from under the boss of the yarn guide nozzle, and the boss enables the spandex yarn to be accurately positioned, and the spandex yarn is accurately fed into the knitting needle hooks of the circular knitting machine; and the spandex yarn bypasses from under the boss and does not accumulate dust; the first yarn and the second yarn are respectively passed through the back and bottom of the yarn guide nozzle, and the spatial staggered angle between the two is larger, which is conducive to the first yarn covering the second yarn during weaving, thereby improving the quality of the fabric.

[0013] In a feasible solution, the guide wheel is provided with a guide rod;

[0014] The end of the guide rod is provided with a locking hook;

[0015] The connecting plate is provided with a threaded hole, and a fixing screw is passed through the locking hook and engaged with the threaded hole, so as to fix the guide rod on the connecting plate.

[0016] In a feasible solution, the yarn guide nozzle is provided with a mounting plate, and the mounting plate is arranged on the connecting plate by fastening screws.

[0017] In a feasible solution, the mounting plate is provided with an elongated hole so that the mounting plate can be adjusted in position on the connecting plate.

[0018] In a feasible solution, the connecting plate is provided with a limiting sliding groove;

[0019] The mounting plate is provided with a protruding sliding block, and the protruding sliding block can be slidably embedded in the limiting sliding groove.

[0020] In a feasible solution, the connecting plate is provided with a limiting slot, and the limiting slot is used for the fixing seat to be inserted.

[0021] In a feasible solution, the yarn guide nozzle is made of ceramic. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] 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 some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is an exploded schematic diagram of a yarn guide mechanism for a circular knitting machine in an embodiment of the utility model;

[0024] Figure 2 Schematic diagram of the yarn guide mechanism in the embodiment of the utility model;

[0025] Figure 3 In the embodiment of the utility model Figure 2 A partial enlarged view of the

[0026] Figure 4 It is a schematic diagram of another angle of the yarn guide mechanism in the embodiment of the utility model;

[0027] Figure 5 This is a schematic diagram of the installation state of the yarn guide mechanism in the embodiment of the utility model;

[0028] Figure 6 In the embodiment of the utility model Figure 5 Magnified view of point A in .

[0029] Numbers in the figure:

[0030] 1. Fixed seat; 2. Connecting plate; 21. Limiting slide groove; 22. Limiting card slot; 3. Guide wheel; 31. Guide rod; 32. Lock hook; 4. Yarn guide nozzle; 41. First channel; 42. Second channel; 43. Boss; 44. Mounting plate; 441. Long hole; 442. Protruding slider; 51. Fixing screw; 52. Fastening screw; 53. Fixing bolt; 110. Knitting needle; 210. First yarn; 220. Second yarn; 230. Spandex yarn. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The following specific embodiments are used to describe the technical solution of the utility model in detail. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0035] As described in the background technology of this application, when the circular knitting machine is knitting plain added yarn structure, all the coils are composed of three yarns (the first yarn covers the second yarn + spandex yarn), the face yarn (spandex yarn) is on the front side of the fabric, and the ground yarn (the first and second yarns) are on the back side of the fabric. The yarn is fed into the needle hook of the circular knitting machine through a yarn guiding mechanism.

[0036] The inventor of the present application has found that the yarn guide mechanism of the current circular knitting machine cannot accurately feed the spandex yarn into the needle hook of the knitting needle, and the spandex yarn is prone to accumulate dust when being fed in, which affects the quality of the fabric.

[0037] In order to solve the above problems, the inventor of the present application proposed the technical solution of the present application, and the specific embodiments are as follows:

[0038] Figure 1 Schematic diagram of an exploded view of a yarn guide mechanism for a circular knitting machine in an embodiment of the utility model. Figure 2 Schematic diagram of the yarn guide mechanism in the embodiment of the utility model, Figure 3 In the embodiment of the utility model Figure 2 A partial enlarged view of Figure 4 This is a schematic diagram from another angle of the yarn guide mechanism in the embodiment of the utility model. Figure 5 Schematic diagram of the installation state of the yarn guide mechanism in the embodiment of the utility model, Figure 6 In the embodiment of the utility model Figure 5 Magnified view of point A in .

[0039] like Figures 1 to 6 As shown, the yarn guide mechanism for the circular knitting machine of this embodiment includes: a fixed seat 1, a connecting plate 2, a guide wheel 3 and a yarn guide nozzle 4.

[0040] The fixing seat 1 is fixedly arranged on the machine table of the circular knitting machine through a connecting piece.

[0041] The connecting plate 2 is in the shape of an elongated strip, the top of which is arranged on the fixing seat 1 , the guide wheel 3 and the yarn guide nozzle 4 are arranged on the bottom of the connecting plate 2 , and the guide wheel 3 and the yarn guide nozzle 4 are arranged on the opposite side walls of the connecting plate 2 respectively.

[0042] The yarn guide nozzle 4 is provided with a first channel 41 and a second channel 42 penetrating therethrough, and the yarn guide nozzle 4 is provided with a boss 43 .

[0043] The entrances of the first channel 41 and the second channel 42 are both arranged on the front side of the yarn guide nozzle 4, the exit of the first channel 41 is located on the back side of the yarn guide nozzle 4, the exit of the second channel 42 is located on the bottom side of the yarn guide nozzle 4, and the boss 43 is in a square block shape and is arranged on the front side of the yarn guide nozzle 4.

[0044] like Figure 5 and Figure 6 As shown, in this embodiment, the guide wheel 3 and the yarn guide mouth 4 are arranged on the connecting plate 2, and are located near the knitting needle 110 of the circular knitting machine. The first yarn 210 and the second yarn 220 released from the yarn drum are respectively passed through the first channel 41 and the second channel 42 of the yarn guide mouth 4, and then fed into the needle hook of the knitting needle 210; the spandex yarn 230 released from the yarn drum abuts against the guide wheel 3, and after being guided by the guide wheel 3, the spandex yarn 230 bypasses from the bottom of the boss 43 of the yarn guide mouth 4, and the boss 43 of the yarn guide mouth 4 abuts against the spandex yarn 230, accurately guiding the spandex yarn 230, accurately positioning the spandex yarn 230, and accurately feeding the spandex yarn 230 into the needle hook of the knitting needle 110 of the circular knitting machine to achieve the weaving of the fabric.

[0045] The first yarn enters from the front side of the yarn guide nozzle and passes through the back side, and the second yarn enters from the front side of the yarn guide nozzle and passes through the bottom side. The spatial staggered angle of the first yarn and the second yarn is larger, which is conducive to the first yarn covering the second yarn during knitting. The yarn entry spacing of the first yarn, the second yarn and the spandex yarn is large, and will not interfere with each other. The yarn output directions of the three yarns are basically the same, so that the three yarns are fed into the same knitting needle hook of the circular knitting machine for knitting, so that the three yarns can be fed at a higher speed, and the three yarns can have independent yarn feeding speeds without interfering with each other.

[0046] It is not difficult to find from the above content that the yarn guide mechanism for a large circular knitting machine of this embodiment is provided with a fixed seat, a connecting plate, a guide wheel and a yarn guide nozzle, the connecting plate is provided on the fixed seat, the guide wheel and the yarn guide nozzle are provided on the connecting plate, the yarn guide nozzle is provided with a first channel, a second channel and a boss, the entrances of the first channel and the second channel are both provided on the front of the yarn guide nozzle, the exit of the first channel is provided on the back of the yarn guide nozzle, the exit of the second channel is provided on the bottom of the yarn guide nozzle, and the boss is provided on the front of the yarn guide nozzle. The yarn guide mechanism for a large circular knitting machine of this embodiment, the guide wheel and the yarn guide nozzle are provided on the connecting plate, and are located near the knitting needles of the large circular knitting machine. The first yarn and the second yarn are respectively passed through the first channel and the second channel of the yarn guide nozzle, and then fed into the knitting needle hooks of the circular knitting machine; the spandex yarn is guided by the guide wheel and bypasses from under the boss of the yarn guide nozzle, and the boss enables the spandex yarn to be accurately positioned, and the spandex yarn is accurately fed into the knitting needle hooks of the circular knitting machine; and the spandex yarn bypasses from under the boss and does not accumulate dust; the first yarn and the second yarn are respectively passed through the back and bottom of the yarn guide nozzle, and the spatial staggered angle between the two is larger, which is conducive to the first yarn covering the second yarn during weaving, thereby improving the quality of the fabric.

[0047] Optionally, in the circular knitting machine of the present embodiment, the yarn guiding mechanism, the guide wheel 3 is provided with a guide rod 31 , and the guide wheel 3 is passed through the guide rod 31 .

[0048] A locking hook 32 is provided at one end of the guide rod 31 .

[0049] The bottom end of the connecting plate 2 is provided with a threaded hole, and the fixing screw 51 is rotatably inserted into the locking hook 32 of the guide rod 31 and meshed with the threaded hole of the connecting plate 2. When the fixing screw 51 is tightened, it abuts against the locking hook 32, so that the guide rod 31 and the guide wheel 3 are fixed on the connecting plate 2. When the fixing screw 51 is loosened, the locking hook 32 can rotate around the fixing screw 51 to adjust the angle and position of the guide wheel 3.

[0050] Optionally, in the circular knitting machine yarn guide mechanism of the present embodiment, the yarn guide nozzle 4 is provided with a mounting plate 44 , and the mounting plate 44 of the yarn guide nozzle 4 is fixed to the threaded hole of the connecting plate 2 by means of fastening screws 52 .

[0051] Furthermore, in the yarn guiding mechanism of the circular knitting machine in this embodiment, the yarn guide nozzle 4 is provided with a long hole 441 on the mounting plate 44, and the fastening screw 52 passes through the long hole 441 of the mounting plate 44 and engages with the threaded hole of the connecting plate 2, so that the mounting plate 44 and the yarn guide nozzle 4 are adjustable in position on the connecting plate 2 through the fastening screw 52.

[0052] Furthermore, in the yarn guide mechanism for the circular knitting machine in this embodiment, a limiting slide groove 21 is provided on the side wall of the bottom end of the connecting plate 2, and the limiting slide groove 21 is vertically arranged on the connecting plate 2.

[0053] A protruding slider 442 is provided on one side of the mounting plate 44. The protruding slider 442 of the mounting plate 44 can be slidably embedded in the limiting slide groove 21 of the connecting plate 2, so that the mounting plate 44 is limitedly fixed in the left-right direction.

[0054] Optionally, in the yarn guide mechanism of the circular knitting machine in this embodiment, a limiting slot 22 is provided at the top of the connecting plate 2.

[0055] The fixing seat 1 is fixed on the machine table of the circular knitting machine through a connecting piece, the limiting slot 22 of the connecting plate 2 is clamped on one side of the fixing seat 1, and then the connecting plate 2 is fixed on the fixing seat 1 through a fixing bolt 53, which facilitates the installation and positioning of the connecting plate 2 on the fixing seat 1.

[0056] Furthermore, in the yarn guide mechanism of the circular knitting machine in this embodiment, the yarn guide nozzle 4 is made of ceramic.

[0057] The yarn guide mouth 4 is made of ceramic material, which makes the yarn guide mouth 4 smooth and wear-resistant, which can effectively reduce the friction between the yarn guide mouth and the moving yarn, reduce the friction damage of the yarn, stabilize the working angle of the yarn, thereby reducing the bad points on the surface of the knitted fabric and reducing the replacement frequency of the yarn guide mouth.

[0058] In the present invention, unless otherwise clearly specified and limited, a first feature being “on” or “under” a second feature may mean that the first feature and the second feature are in direct contact, or the first feature and the second feature are in indirect contact via an intermediate medium.

[0059] Moreover, the first feature being “above”, “above”, and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being “below”, “below”, and “below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0060] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A yarn guide mechanism for a circular knitting machine, characterized in that: include: Fixed seat, connecting plate, guide wheel and yarn guide nozzle; The fixing seat is used for fixing; The connecting plate is arranged on the fixing seat, and the guide wheel and the yarn guide nozzle are arranged at the bottom end of the connecting plate and are respectively located on two opposite sides of the connecting plate; The yarn guide nozzle is provided with a first channel, a second channel and a boss; The entrances of the first channel and the second channel are both arranged on the front side of the yarn guide nozzle, the exit of the first channel is arranged on the back side of the yarn guide nozzle, the exit of the second channel is arranged on the bottom side of the yarn guide nozzle, and the boss is arranged on the front side of the yarn guide nozzle; The first channel and the second channel are used for allowing the first yarn and the second yarn to pass through respectively, the guide wheel is used for guiding the spandex yarn, and the boss is used for abutting against the spandex yarn so that the spandex yarn is fed into the needle hook of the circular knitting machine.

2. The yarn guide mechanism for a circular knitting machine according to claim 1, characterized in that: The guide wheel is provided with a guide rod; The end of the guide rod is provided with a locking hook; The connecting plate is provided with a threaded hole, and a fixing screw is passed through the locking hook and engaged with the threaded hole, so as to fix the guide rod on the connecting plate.

3. The yarn guide mechanism for a circular knitting machine according to claim 1, characterized in that: The yarn guide nozzle is provided with a mounting plate, and the mounting plate is arranged on the connecting plate by fastening screws.

4. The yarn guide mechanism for a circular knitting machine according to claim 3, characterized in that: The mounting plate is provided with an elongated hole so that the mounting plate can be adjusted in position on the connecting plate.

5. The yarn guide mechanism for a circular knitting machine according to claim 4, characterized in that: The connecting plate is provided with a limiting sliding groove; The mounting plate is provided with a protruding sliding block, and the protruding sliding block can be slidably embedded in the limiting sliding groove.

6. The yarn guiding mechanism for a circular knitting machine according to claim 1, characterized in that: The connecting plate is provided with a limiting slot, and the limiting slot is used for the fixing seat to be inserted.

7. The yarn guiding mechanism for a circular knitting machine according to any one of claims 1 to 6, characterized in that: The material of the yarn guide nozzle is ceramic.

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