CN211848362U

CN211848362U - Yarn guide mechanism for circular knitting machine

Info

Publication number: CN211848362U
Application number: CN202020279533.9U
Authority: CN
Inventors: 熊志
Original assignee: Shaoxing Jinxiong Knitting & Textile Co ltd
Current assignee: Shaoxing Jinxiong Knitting & Textile Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-11-03
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses a yarn guide mechanism for circular knitting machine, including fixed plate and bottom plate, the bottom plate both sides are equipped with the support, wear to be equipped with the pivot between two supports, the pivot includes first pivot portion, second pivot portion and silk pole portion, second pivot portion tip rigid coupling has the handle wheel, be equipped with the yarn guide wheel in the silk pole portion, the yarn guide wheel includes the spiro union wheel of spiro union on silk pole portion, the cover is established at the spiro union wheel outlying roll wheel and makes the spiro union wheel rotate the bearing of being connected with the roll wheel, the sunken circular ring form guide slot that forms in roll wheel annular outer wall middle part, the outside perpendicular arch of roll wheel annular outer wall forms a pair of bulge loop, a pair of bulge loop is located guide slot both sides and guide slot top edge line and the coincidence of bulge loop medial surface base. The utility model discloses a yarn guide wheel and the regulation of feeding the distance between yarn mouth and angle to obtain suitable yarn angle and yarn tension of advancing, prevent the yarn fracture, solved among the prior art problem that the yarn easily followed yarn guide wheel side roll-off, guaranteed the spinning quality.

Description

Yarn guide mechanism for circular knitting machine

Technical Field

The utility model relates to a textile machinery equipment technical field especially relates to a yarn guide mechanism for circular knitting machine.

Background

The circular knitting machine, known as circular weft knitting machine, develops rapidly because of the characteristics of more loop forming systems (called as yarn feeding path number or loop forming path number, for short, path number in enterprises) of the circular knitting machine, high rotating speed, high yield, rapid change of pattern, good fabric quality, less working procedures, strong product adaptability and the like. Among the prior art, big circular knitting machine includes creel and yarn feeding device, set up the yarn section of thick bamboo on the yarn guide frame, yarn feeding device is including feeding the yarn mouth and being used for coming out the yarn guide to the guide wheel of feeding the yarn mouth by the yarn section of thick bamboo, because the guide wheel angle is improper, the phenomenon that the yarn turns over the silk or the yarn easily follows guide wheel side roll-off often can appear, because the position of guide wheel is improper and unadjustable in addition, still cause the wearing and tearing of yarn in feeding yarn mouth department easily, thereby lead to the yarn fracture, consequently need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a yarn guiding mechanism for circular knitting machine, realized the regulation of distance and angle between yarn guide wheel and the yarn feeding mouth to obtain suitable yarn angle and yarn tension of advancing, prevent the yarn fracture, solved among the prior art problem that the yarn easily followed yarn guide wheel side roll-off, guaranteed the spinning quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a yarn guide mechanism for a circular knitting machine comprises a fixed plate and a bottom plate which are fixedly connected up and down, wherein two sides of the lower surface of the bottom plate are respectively fixed with a bracket, a rotating shaft penetrates between the two brackets, the rotating shaft comprises a first rotating shaft part which is rotatably connected with the bracket on one side, a second rotating shaft part which passes through the bracket on the other side and is rotatably connected with the bracket, and a screw rod part which is connected with the first rotating shaft part and the second rotating shaft part, a handle wheel is fixedly connected at the end part of the second rotating shaft part, a yarn guide wheel is arranged on the screw rod part, the yarn guide wheel comprises a screw connection wheel screwed on the screw rod part, a rolling wheel sleeved on the periphery of the screw connection wheel and a bearing for rotatably connecting the screw connection wheel and the rolling wheel, the middle of the annular outer wall of the rolling wheel is sunken to form an annular guide groove, the annular outer wall of the rolling wheel protrudes outwards vertically to form a pair of convex rings, and the pair of convex rings are positioned on two sides of the guide groove, and the edge line of the top end of the guide groove is superposed with the bottom edge line of the inner side surface of each convex ring.

The center of the fixing plate is connected with the center of the bottom plate in series through a pin shaft.

Threaded holes are evenly distributed in the circumferential direction of the outer edge of the fixed plate, a pair of through holes are symmetrically formed in the outer edge of the bottom plate, the bottom plate is fixedly connected with the fixed plate through a pair of bolts, and the bolts penetrate through the through holes and are screwed to the threaded holes.

The annular outer wall of spiro union wheel is equipped with cyclic annular first step portion, the inboard sunken cyclic annular second step portion that forms of roller terminal surface, the bottom surface sets up relatively in bottom surface and the first step portion in the second step portion, the bearing sets up between first step portion annular outer wall and second step portion annular inner wall, bearing one end inner circle butt joint to the first step portion in the bottom surface and bearing other end outer lane butt joint to the second step portion in the bottom surface, bearing one end outer lane is fixed on second step portion annular inner wall and bearing other end inner circle passes through the jump ring spacing fixing on first step portion annular outer wall through the jump ring.

The utility model has the advantages that: the thread connection of the thread connection wheel and the thread rod part enables the yarn guide wheel to move through the driving of the handle wheel, and meanwhile, the fixed plate is connected with the bottom plate in series through the pin shaft, so that the angle of the yarn guide wheel on the horizontal plane can be adjusted after the bolt is unscrewed, and further, the adjustment of the distance and the angle between the yarn guide wheel and the yarn feeding nozzle is realized, so that the proper yarn feeding angle and the yarn tension are obtained, and the yarn is prevented from being broken; the screw wheel is rotationally connected with the rolling wheel through the bearing, so that the friction force borne by the yarn when the yarn passes through the yarn guide wheel is reduced, and the yarn guide is smoother; through the matching design of the guide groove and the pair of convex rings, the problem that yarns are easy to slide out from the side edge of the yarn guide wheel in the prior art is solved, and the spinning quality is ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic bottom view of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic perspective view of the yarn passing through the yarn guide wheel of the present invention.

In the figure: the yarn guide device comprises a fixing plate 1, a threaded hole 11, a bottom plate 2, a pin shaft 21, a through hole 22, a bracket 3, a bolt 4, a rotating shaft 5, a first rotating shaft part 51, a screw rod part 52, a second rotating shaft part 53, a handle wheel 6, yarn 7, a yarn guide wheel 8, a screwing wheel 81, a rolling wheel 82, a bearing 83, a guide groove 84, a first step part 85, a clamp spring 86, a second step part 87 and a convex ring 88.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 4, a yarn guide mechanism of a great circle machine includes a fixed plate 1 and a bottom plate 2 which are fixedly connected up and down, two brackets 3 are respectively fixed on two sides of the lower surface of the bottom plate 2, a rotating shaft 5 penetrates between the two brackets 3, the rotating shaft 5 includes a first rotating shaft portion 51 which is rotatably connected with one side bracket 3, a second rotating shaft portion 53 which penetrates through the other side bracket 3 and is rotatably connected with the bracket 3, and a screw rod portion 52 which is connected with the first rotating shaft portion 51 and the second rotating shaft portion 53, the first rotating shaft portion 51, the screw rod portion 52 and the second rotating shaft portion 53 are integrally formed, and the first rotating shaft portion 51 and the second rotating shaft portion 53 are rotatably connected with the bracket 3 through corresponding bearings.

The end part of the second rotating shaft part 53 is fixedly connected with a handle wheel 6, the silk pole part 52 is provided with a yarn guide wheel 8, when the yarn guide angle is adjusted, the rotating shaft 5 can be driven to rotate by manually rotating the handle wheel 6, and then the yarn guide wheel 8 is driven to axially move.

The yarn guide wheel 8 comprises a screw connection wheel 81 screwed on the screw rod part 52, a rolling wheel 82 sleeved on the periphery of the screw connection wheel 81 and a bearing 83 enabling the screw connection wheel 81 and the rolling wheel 82 to be connected in a rotating mode, the middle of the annular outer wall of the rolling wheel 82 is sunken to form an annular guide groove 84, the annular outer wall of the rolling wheel 82 protrudes outwards vertically to form a pair of convex rings 88, and the pair of convex rings 88 are located on two sides of the guide groove 84, and the edge line of the top end of the guide groove 84 is overlapped with the bottom edge line of the inner side face of each convex ring 88. The section of the guide groove 84 is arc-shaped, the rotating connection arrangement of the screw joint wheel 81 and the rolling wheel 82 reduces the friction force applied when the yarn 7 slides, so that the yarn 7 slides smoothly, and the height of the convex ring 88 needs to meet the requirement that the yarn 7 cannot slide out of the side edge of the yarn guide wheel 8; during yarn guiding, a fixing plate 1 of the yarn guiding mechanism is fixed on a frame of the circular knitting machine, the yarn guiding mechanism is matched with a yarn guiding nozzle and a yarn barrel of a creel for use, yarn 7 is C-shaped and passes through the yarn guiding wheel 8, namely the yarn 7 is output from the yarn barrel and enters the yarn guiding nozzle along a guide groove 84, and the yarn 7 is effectively prevented from sliding out from the side edge of the yarn guiding wheel 8 through the guide groove 84 and a pair of convex rings 88.

Threaded holes 11 are evenly distributed in the circumferential direction of the outer edge of the fixing plate 1, a pair of through holes 22 are symmetrically formed in the outer edge of the bottom plate 2, the bottom plate 2 is fixedly connected with the fixing plate 1 through a pair of bolts 4, and the bolts 4 penetrate through the through holes 22 and are screwed to the threaded holes 11. When needing to adjust the yarn feeding angle, rotate handle wheel 6 earlier and adjust the axial position of leading yarn wheel 8, if not suitable yet, unscrew bolt 4 again, rotate bottom plate 2 to required position in order to adjust the angle of leading yarn wheel 8 at the horizontal plane, later find the most suitable yarn feeding angle through the fine setting of bottom plate 2 and handle wheel 6 again, screw up bolt 4 at last with PMKD 2, realize leading the regulation of distance and angle between yarn wheel and the yarn feeding mouth through above-mentioned regulative mode, in order to obtain suitable yarn 7 and advance yarn angle and advance yarn tension, effectively avoided the fracture of yarn 7.

The annular outer wall of spiro union wheel 81 is equipped with cyclic annular first step portion 85, the inboard sunken cyclic annular second step portion 87 that forms of roll wheel 82 terminal surface, the bottom surface sets up relatively in second step portion 87 and the first step portion 85, bearing 83 sets up between first step portion 85 annular outer wall and the annular inner wall of second step portion 87, bearing 83 one end inner circle butt joint is to the bottom surface and bearing 83 other end outer lane butt joint to the inner bottom surface of second step portion 87 in first step portion 85, bearing 83 one end outer lane is fixed on the annular inner wall of second step portion 87 and bearing 83 other end inner circle is spacing to be fixed on the annular outer wall of first step portion 85 through jump ring 86.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a yarn guide mechanism for circular knitting machine, includes upper and lower fixed connection's fixed plate (1) and bottom plate (2), its characterized in that: the bottom plate (2) lower surface both sides are fixed with support (3) respectively, wear to be equipped with pivot (5) between two support (3), pivot (5) include with one side support (3) rotate first pivot portion (51) of being connected, pass another side support (3) and rotate second pivot portion (53) of being connected and lead screw portion (52) of connecting first pivot portion (51) and second pivot portion (53) with this support (3), second pivot portion (53) tip rigid coupling has handle wheel (6), be equipped with yarn guide wheel (8) on lead screw portion (52), yarn guide wheel (8) include spiro union wheel (81) on lead screw portion (52), the cover establish at spiro union wheel (81) outlying rolling wheel (82) and make spiro union wheel (81) and rolling wheel (82) rotate bearing (83) of being connected, the annular outer wall middle part of rolling wheel (82) is sunken to form ring form circle shape guide slot (84), the outer annular wall of the rolling wheel (82) protrudes outwards vertically to form a pair of convex rings (88), the pair of convex rings (88) are positioned at two sides of the guide groove (84), and the edge line of the top end of the guide groove (84) is overlapped with the bottom edge line of the inner side surface of the convex ring (88).

2. The yarn guide mechanism for circular knitting machines according to claim 1, characterized in that: the center of the fixing plate (1) is connected with the center of the bottom plate (2) in series through a pin shaft (21).

3. The yarn guide mechanism for circular knitting machines according to claim 1, characterized in that: the fixed plate (1) is outer along department circumference equipartition threaded hole (11), bottom plate (2) are outer along department symmetry and are equipped with a pair of through-hole (22), link firmly through a pair of bolt (4) between bottom plate (2) and fixed plate (1), bolt (4) pass through-hole (22) and screw up to threaded hole (11).

4. The yarn guide mechanism for circular knitting machines according to claim 1, characterized in that: the utility model discloses a bearing, including the spiro union wheel (81), the inside sunken cyclic annular second step portion (87) that forms of rolling wheel (82) terminal surface, the bottom surface sets up relatively in second step portion (87) and first step portion (85), bearing (83) set up between first step portion (85) annular outer wall and second step portion (87) annular inner wall, bearing (83) one end inner circle butt joint to first step portion (85) interior bottom surface and bearing (83) other end outer lane butt joint to second step portion (87) interior bottom surface, bearing (83) one end outer lane is spacing to be fixed on second step portion (87) annular inner wall and bearing (83) other end pass through jump ring (86) spacing fixing on first step portion (85) annular outer wall through jump ring (86) inner circle through jump ring (86).