TWI554662B - Cutting machine for circular knitting machine - Google Patents

Description

Circular knitting device

The invention relates to a shearing device for a circular knitting machine, in particular to a shearing device for a circular knitting machine which is formed by a ring cutter after forming a yarn loop.

Finely fluffy fabrics are popular with consumers because of their fur-like appearance and touch. A circular knitting machine that can be used to woven a finely fluffy fabric, such as U.S. Patent No. 7,146,829 and U.S. Patent No. 7,127,920, the entire disclosure of which is incorporated herein by reference. (needle dial) a plurality of latch needles, and a plurality of sinkers. The Schenker sheets are disposed on a Shenke seat surrounding the cylinder, each front end of the Shenke sheet has a knife, and the Shenke sheet is driven by a cam on the Shenke seat to the needle The cylinder slides, and the cutter of the singer sheet cuts the yarn loop formed by the yarn to form long pile hair. Other circular knitting machines for woven fine velvet fabrics can be found in the Chinese Patent Publication No. CN201136946 and No. CN201546011, the German Patent No. DE19518490, and the U.S. Patent Nos. 4,592,212 and 6,094,944. However, the circular knitting machine of the traditional woven fine pile fabric needs to add a singer seat around the cylinder around the cylinder barrel, which greatly increases the overall volume of the circular knitting machine and the number of assembled components, so that the structure of the circular knitting machine Quite complex and not easy to assemble.

In addition to using a shredder with a cutter to cut the gauze, the circular knitting machine can also A knitting needle with a blade is provided to cut the loop. For example, in the Republic of China Patent Publication No. 205255 and No. 208294, a shearing device design is disclosed in which a plurality of sets of vertical needles, horizontal knitting needles and horizontal Schenker pieces are arranged on the knitting machine needle cylinder, and the three are appropriate. In conjunction with the movement stroke, the knitting needle forms a loop tissue at the needle groove when the needle is pulled by the hook, and then uses the Shenke sheet to advance the needle loop fabric and push the needle upward to the highest point, so that it is located The blade at the lower end of the groove cuts the loop. However, in order to enable the needle to be pushed up to the highest point, it is necessary to increase the path of the needle travel, that is, to increase the time for cutting a single loop, and affect the efficiency of knitting the fine pile fabric.

SUMMARY OF THE INVENTION The main object of the present invention is to solve the problem of the need for an externally reinforced fine loop pile cutting device and a lower woven fine pile fabric for conventional woven fine pile fabrics.

In order to achieve the above object, the present invention provides a shearing device for a circular knitting machine, which is suitable for a circular knitting machine, the circular knitting machine comprising a circular cylinder, and a plurality of yarns to the circular cylinder The yarn feeding system comprises a plurality of first needle grooves arranged in parallel along the axial direction of the circular needle barrel, and a plurality of knitting needles disposed on the first needle groove and independently movable. The shearing device of the circular knitting machine includes an upper dial holder disposed on the circular barrel, and a plurality of shearing needle sets. The upper dial base includes a plurality of second needle slots radially aligned with the first needle groove centered on the axial direction of the circular syringe. Each of the yarn cutting needle sets includes a first needle that is movable toward the needle to perform a first hanging stroke against the yarn, and a first needle aligned with the first needle and the first needle a second needle moving toward the needle to perform a first yarn cutting stroke after the first hanging stroke is completed, the first needle being disposed between two adjacent needles, the first needle package Having a yarn receiving section for the yarn to bear and cooperate with the needle hook to pull the yarn to form a yarn loop, and a first cutter section connected to the yarn receiving section, the second knife The needle includes a second cutter segment that is interleaved with the first cutter segment during the first shear stroke to cut the loop.

In one embodiment, the first cutting edge of the first needle is inclined away from the knitting needle; the second cutting edge of the second needle is bent toward the first needle.

In one embodiment, the first yarn cutting stroke includes a first cutting blade segment, the second cutting blade segment, and a first portion of the yarn receiving segment that forms a closed yarn cutting space for receiving the yarn. Intermediate stroke.

In one embodiment, the first cutting segment of the first needle is inclined toward the knitting needle; the second cutting segment of the second needle is bent toward the first needle.

In an embodiment, the first shearing stroke includes a second between the first cutting blade segment and the second cutting blade segment that forms an open shearing space for receiving the yarn and having an upper opening. Intermediate stroke.

In one embodiment, the first needle includes a first end facing the needle, the first end including the first cutter segment.

The invention further provides a shearing device for a circular knitting machine, which is suitable for a circular knitting machine, the circular knitting machine comprising a circular cylinder, and a yarn feeding system for providing a plurality of yarns to the circular cylinder The circular needle barrel includes a plurality of first needle grooves arranged in parallel along the axial direction of the circular needle barrel. The shearing device of the circular knitting machine includes an upper dial holder disposed on the circular barrel and a plurality of shearing needle sets. The upper dial base includes a plurality of second needle grooves radially corresponding to the first needle groove centered on the axial direction of the circular needle barrel, and a plurality of knitting needles disposed on the second needle groove and independently movable. The plural scissors The yarn needle sets are respectively disposed in the first needle groove, and each of the yarn cutting needle sets includes a first needle that can move toward the knitting needle to perform a second hanging stroke to bear the yarn, and a a first needle that is arranged in parallel and that is moved toward the needle after the first needle completes the second hanging stroke to perform a second yarn cutting stroke, the first needle being disposed adjacent to the second needle Between the knitting needles, the first needle includes a yarn receiving section for the yarn to bear and cooperate with the needle hooks to pull the yarn to form a yarn loop, and a yarn joining section The first cutting blade segment includes a second cutting blade segment that moves toward the knitting needle during the second yarn cutting stroke and is interlaced with the first cutting blade segment to cut the yarn loop.

The shear ring device of the circular knitting machine of the present invention may be selectively provided on the circular cylinder or a plurality of yarn cutting needle sets are disposed on the upper needle holder. Using a first needle and a second needle in each of the yarn cutting needle sets, the yarn of the yarn loop simultaneously contacts the first cutter segment of the first needle and the second knife The second cutting segment of the needle is cut bidirectionally and the yarn loop is cut. Compared with the circular knitting machine of the traditional woven fine pile fabric, the invention does not need to add additional singer seat for guiding the skein sheet, and does not need to extend the traveling path of the knitting needle with the cutting edge, so that the circular knitting machine space structure is used. More efficient and improved the efficiency of weaving fine fleece.

S10‧‧‧Circular knitting machine

11‧‧‧round syringe

111‧‧‧first needle slot

112‧‧‧ knitting needles

113‧‧‧Protruding

12‧‧‧First needle

121‧‧‧First end

122‧‧‧ yarn section

123‧‧‧First cutting blade

124‧‧‧First control bump

13‧‧‧second needle

131‧‧‧second cutting blade

132‧‧‧Second control bump

14‧‧‧Feeding system

15‧‧‧ lower cam group

20‧‧‧Scissors

21‧‧‧Upper disk holder

211‧‧‧Second needle slot

212‧‧‧ knitting needles

213‧‧‧ protruding parts

22‧‧‧First needle

221‧‧‧ first end

222‧‧‧ yarn section

223, 223a‧‧‧ first cutting blade

224‧‧‧First control bump

23‧‧‧second needle

231, 231a‧‧‧second cutting blade

232‧‧‧Second control bump

24‧‧‧Upper cam group

30‧‧‧Closed yarn cutting space

40‧‧‧Open shearing space

51‧‧‧First yarn

52‧‧‧second yarn

53‧‧‧ yarn ring

54‧‧‧Fleece

A‧‧‧Axial

P‧‧‧First yarn cutting stroke

P1‧‧‧First Intermediate Stroke

P2‧‧‧second intermediate stroke

Q‧‧‧Second yarn cutting stroke

Q1‧‧‧First Intermediate Stroke

S1‧‧‧First hanging stroke

S2‧‧‧Second hanging stroke

α ‧‧‧first angle

β ‧‧‧second angle

Figure 1 is a schematic view showing the overall structure of an embodiment of the present invention applicable to a circular knitting machine.

Fig. 2 is a perspective view showing the appearance of a shear ring device of a circular knitting machine of the present invention.

Fig. 3 is a partial perspective view showing an embodiment of a shear ring device of a circular knitting machine of the present invention.

Fig. 4 is a perspective view showing the three-dimensional structure of the yarn cutting needle set of an embodiment of the shear ring device of the circular knitting machine of the present invention.

5-1 to 5-4 are schematic views showing the steps of the shear ring of an embodiment of the yarn cutting needle set of the scissors ring device of the present invention.

6-1 to 6-4 are schematic views showing the steps of the shear ring of another embodiment of the yarn cutting needle set of the scissors ring device of the present invention.

7-1 to 7-4 are schematic views showing the steps of the shear ring of another embodiment of the shear ring device of the circular knitting machine of the present invention.

The detailed description and technical contents of the present invention will now be described with reference to the following drawings: Please refer to FIG. 1 to FIG. 4, which are schematic diagrams of an overall structure of an embodiment of the present invention applicable to a circular knitting machine, and the present invention is cut. A partial perspective view of a ring device and a partial structural exploded view, as shown in the figure: The present invention is a circular ring cutter 20 for a circular knitting machine, which is suitable for a circular knitting machine 10 for knitting fine pile fabrics. The fine pile fabric comprises a pile surface and a base fabric for fixing the pile surface. The circular knitting machine 10 includes a circular cylinder 11 having an axial direction A, and a yarn feeding system 14 that supplies a plurality of yarns to the circular cylinder 11. The yarn comprises at least one first yarn 51 (generally referred to as a wool yarn) forming the loop surface and at least one second yarn 52 (generally referred to as a bottom yarn) forming the base fabric. The circular needle barrel 11 includes a plurality of first needle grooves 111 arranged in parallel along the axial direction A of the circular needle barrel 11, and a plurality of knitting needles 112 disposed on the first needle groove 111 and independently movable. In the present invention, the movement of the knitting needle 112 can be controlled by a lower cam group 15 which is conventionally disposed on the periphery of the circular cylinder 11, and the lower cam group 15 corresponds to the projection 113 of the knitting needle 112 (see "Figure 5-1" has a corresponding control track (not shown). When the lower cam group 15 moves relative to the circular syringe 11 When the protruding portion 113 of the knitting needle 112 is pulled by the control rail, the knitting needle 112 is moved in the first needle groove 111. The shear ring device 20 of the circular knitting machine includes an upper dial holder 21 disposed on the circular barrel 11, and a plurality of shearing needle sets for the upper dial holder 21. The upper dial holder 21 includes a plurality of second needle grooves 211 that radially align with the first needle grooves 111 centering on the axial direction A of the circular syringe 11. The set of yarn cutting needles are respectively disposed in the second needle groove 211.

Each of the yarn cutting needle sets includes a first needle 22 and a second needle 23 that are relatively movable, and the second needle 23 is arranged in parallel with the first needle 22, and the second needle 23 has a The first shear stroke P relative to the movement of the first needle 22. The first needle 22 includes a first end portion 221 facing the knitting needle 112, a yarn receiving section 222 for the first yarn 51 to bear, a first end portion 221 and the yarn receiving yarn. a first cutting segment 223 connected to the segment 222, and a first control projection 224, the second cutting needle 23 including a second cutting intersecting the first cutting segment 223 in the first shearing stroke P The knife segment 231 and a second control bump 232. In the present invention, the movement of the first needle 22 and the second needle 23 can be controlled by an upper cam set 24 which is conventionally disposed on the upper dial base 21, and the upper cam set 24 corresponds to the first The first control protrusion 224 of the needle 22 and the second control protrusion 232 of the second needle 23 respectively have a plurality of control tracks (not shown). When the upper cam group 24 moves relative to the upper dial holder 21, the first control protrusion 224 of the first needle 22 and the second control protrusion 232 of the second needle 23 are subjected to the control. The traction of the track causes the first needle 22 and the second needle 23 to move.

In the present embodiment, as shown in FIG. 3, FIG. 4 and FIG. 5-1, the first cutting blade segment 223 of the first needle 22 is inclined away from the knitting needle 112. A first angle α is formed between the first blade segment 223 and the yarn receiving segment 222, and the first angle α is less than 90°. The second cutting edge 231 of the second needle 23 is bent toward the first needle 22 and can even be bent to contact the first needle 22.

Please refer to Figure 5-1 to Figure 5-4 for the cutting of the circular knitting machine of the present invention. Schematic diagram of the shear ring step of an embodiment of the ring device, as shown, the yarn feeding system 14 guides the first yarn 51 and the second yarn 52 to the circular needle barrel 11, respectively. The first needle 22 is moved toward the needle 112 by the upper cam group 24 to perform a first hanging stroke S1, and the first yarn 51 is placed on the yarn of the first needle 22. Section 222, as shown in FIG. 5-1; the second yarn 52 passes under the yarn receiving section 222. Since each of the first needles 22 is disposed between two adjacent needles 112, when the needles 112 are driven by the lower cam group 15, they move downward, as shown in FIG. 5-2. The first yarn 51 resting on the yarn receiving section 222 of the first needle 22 is hooked together with the second yarn 52 located under the yarn receiving section 222 by the knitting needles 112 on both sides, the first yarn A yarn loop 53 is formed by the distance between the yarn receiving section 222 and the position after the hooking of the knitting needle 112, and the second yarn 52 is wound around the bottom of the yarn loop 53. Subsequently, the second needle 23 is subjected to the control of the upper cam set 24 to perform the first shear stroke P. When the second cutter needle 23 performs the first yarn cutting stroke P, that is, when the first cutter segment 223 and the second cutter segment 231 are initially interlaced, as shown in FIG. 5-3, A first intermediate stroke P1 is formed between the first cutting blade segment 223, the second cutting blade segment 231 and the yarn receiving section 222 for receiving the closed yarn cutting space 30 of the first yarn 51. When the second knife needle 23 continues the first yarn cutting stroke P, the first cutter segment 223 of the first needle 22 and the second cutter segment 231 of the second needle 23 respectively contact the The two sides of the first yarn 51 are formed in a manner similar to the double-side cutting of the scissors, and after the second cutting needle 23 completes the first yarn-cutting stroke P, the yarn loop 53 is smoothly cut and the pile 54 is formed, such as Figure 5-4』. In the embodiment, the closed shearing space 30 for accommodating the first yarn 51 between the first cutting blade segment 223, the second cutting blade segment 231 and the yarn receiving segment 222 can surely cut each A loop 54 forms a pile 54.

In another embodiment of the present invention, as shown in FIG. 6-1, the first cutting blade segment 223a of the first needle 22 is inclined toward the knitting needle 112, and the first cutting blade segment 223a is A second angle β is formed between the yarn receiving segments 222. The second angle β is greater than 90°, and the second cutting edge 231a of the second needle 23 is bent toward the first needle 22, To be bendable to contact the first needle 22.

Please refer to FIG. 6-1 to FIG. 6-4, which are schematic diagrams of a shear ring step of another embodiment of the shear ring device of the circular knitting machine of the present invention, as shown in the figure: the yarn feeding system 14 respectively The first yarn 51 and the second yarn 52 are guided to the circular syringe 11. The first needle 22 is moved toward the needle 112 by the upper cam group 24 to perform a first hanging stroke S1, and the first yarn 51 is placed on the yarn of the first needle 22. Section 222, as shown in FIG. 6-1; the second yarn 52 passes under the yarn receiving section 222. Since each of the first needles 22 is disposed between two adjacent needles 112, when the needles 112 are driven by the lower cam group 15, they move downward, as shown in FIG. 6-2. The first yarn 51 resting on the yarn receiving section 222 of the first needle 22 is hooked together with the second yarn 52 located under the yarn receiving section 222 by the knitting needles 112 on both sides, the first yarn A yarn loop 53 is formed by the distance between the yarn receiving section 222 and the position after the hooking of the knitting needle 112, and the second yarn 52 is wound around the bottom of the yarn loop 53. Subsequently, the second needle 23 is subjected to the control of the upper cam set 24 to perform the first shear stroke P. When the second cutter needle 23 performs the first yarn cutting stroke P, that is, when the first cutter segment 223 and the second cutter segment 231 are initially interlaced, as shown in FIG. 6-3. A second intermediate stroke P2 of the open shearing space 40 accommodating the first yarn 51 and having an upper opening is formed between the first cutting blade segment 223 and the second cutting blade segment 231. When the second knife needle 23 continues the first yarn cutting stroke P, the first cutter segment 223 of the first needle 22 and the second cutter segment 231 of the second needle 23 respectively contact the The two sides of the first yarn 51 are formed in a manner similar to the double-side cutting of the scissors, and after the second cutting needle 23 completes the first yarn-cutting stroke P, the yarn loop 53 is smoothly cut and the pile 54 is formed, such as Figure 6-4』.

In another embodiment, the clip ring device of the circular knitting machine of the present invention, as shown in FIG. 7-1, includes a plurality of upper dial holders 21 disposed on the second needle slot 211 and independently movable. The knitting needle 212 has a plurality of yarn cutting needle sets respectively disposed in the first needle groove 111. Each yarn cutting needle set contains a first knife that can be relatively movable a needle 12 and a second needle 13, the first needle 12 and the second needle 13 are arranged in parallel, and the second needle 23 has a second shearing stroke Q that moves upward relative to the first needle 12. . The first needle 12 includes a first end portion 121 facing the knitting needle 212, a yarn receiving section 122 for the first yarn 51 to bear, a first end portion 121 disposed on the yarn receiving portion The first cutting segment 123 connected to the segment 122 and a first control projection 124. The second knife needle 13 includes a second cutter segment 131 interlaced with the first cutter segment 123 in the second yarn cutting stroke Q, and a second control projection 132. In this embodiment, the movement of the first needle 12 and the second needle 13 can be controlled by a lower cam group 15 disposed on the periphery of the circular cylinder 11, and the lower cam group 15 corresponds to The first control protrusion 124 and the second control protrusion 132 of the first needle 12 and the second control needle 132 have corresponding control tracks (not shown). The movement of the needle 212 is controlled by the upper cam set 24 of the upper dial base 21, which has a plurality of control tracks (not shown) corresponding to the projections 213 of the needle 212.

Please refer to FIG. 7-1 to FIG. 7-4, which are schematic diagrams of a shear ring step of another embodiment of the shear ring device of the circular knitting machine of the present invention, as shown in the figure: the yarn feeding system 14 respectively The first yarn 51 and the second yarn 52 are guided to the circular cylinder 11. The first needle 12 is controlled to move upward toward the needle 212 by the lower cam group 15, and performs a second hanging stroke S2. The first yarn 51 rests on the first needle 12. The yarn segment 122 is as shown in FIG. 7-1; the second yarn 52 passes under the yarn receiving section 122. Since each of the first needles 12 is disposed between two adjacent needles 212, when the needles 212 are driven by the upper cam group 24, they move to the left, as shown in FIG. 7-2. The first yarn 51 resting on the yarn receiving section 122 of the first knife needle 12 is hooked together with the second yarn 52 located under the yarn receiving section 122 by the knitting needles 212 on both sides. A yarn 51 forms a loop 53 by the distance between the yarn receiving section 122 and the position at which the needle 212 is hooked, and the second yarn 52 is wound around the bottom of the loop 53. Subsequently, the second needle 13 is subjected to the control of the lower cam group 15 to perform the second yarn cutting stroke Q. The second needle 13 is performed In the middle of the second yarn cutting stroke Q, that is, when the first cutting blade segment 123 and the second cutting blade segment 131 are initially interlaced, as shown in FIG. 7-3, in the first cutting blade segment 123. A first intermediate stroke Q1 is formed between the second cutting blade segment 131 and the yarn receiving section 122 to accommodate the closed yarn cutting space 30 of the first yarn 51. When the second needle 13 continues the second yarn cutting stroke Q, the first cutter segment 123 of the first needle 12 and the second cutter segment 131 of the second needle 13 respectively contact the second cutter segment The two sides of the first yarn 51 are formed in a manner similar to the double-side cutting of the scissors, and after the second cutting needle 13 completes the second yarn-cutting stroke Q, the yarn loop 53 is smoothly cut and the pile 54 is formed, such as Figure 7-4』.

The shear ring device of the circular knitting machine of the present invention is optionally provided with a plurality of yarn cutting needle sets on the circular cylinder or on the upper needle holder. Using a first needle that is relatively movable in each of the yarn cutting needle sets and a second needle, such that the first yarn of the yarn loop simultaneously contacts the first cutter section of the first needle and the The second cutting blade of the second needle is cut bidirectionally and cuts the loop, so that the loop is cut to ensure that some of the loops cannot be cut to form fine fluff. Compared with the circular knitting machine of the traditional woven fine pile fabric, the invention does not need to add additional singer seat for guiding the skein sheet, and does not need to extend the traveling path of the knitting needle with the cutting edge, so that the circular knitting machine space structure is used. More efficient and improved the efficiency of weaving fine fleece.

111‧‧‧first needle slot

112‧‧‧ knitting needles

20‧‧‧Scissors

211‧‧‧Second needle slot

22‧‧‧First needle

23‧‧‧second needle

Claims (12)

A shearing device for a circular knitting machine, suitable for a circular knitting machine, comprising a circular cylinder, and a yarn feeding system for supplying a plurality of yarns to the circular cylinder, the circular The needle barrel includes a plurality of first needle grooves arranged in parallel along the axial direction of the circular needle barrel, and a plurality of knitting needles disposed on the first needle groove and independently movable, and the shear ring device of the circular knitting machine includes An upper dial holder disposed on the circular syringe, comprising a plurality of second needle slots radially corresponding to the first needle groove centered on the axial direction of the circular syringe; and a plurality of shear needle sets Separatingly disposed in the second needle groove, each of the yarn cutting needle sets includes a first needle movable toward the knitting needle to perform a first hanging stroke bearing the yarn, and a first needle The second needle is arranged in parallel with the needle and is moved toward the needle after the first needle completes the first hanging stroke to perform a first yarn cutting stroke, the first needle being disposed adjacent to the weave Between the needles, the first needle includes a yarn for the yarn to bear and cooperate with the needles adjacent to the two sides to pull the needle a wire forming a yarn looping segment and a first cutting blade segment coupled to the yarn receiving segment, the second needle comprising a needle moving in the first shearing stroke and the first cutting The segments are staggered to cut the second cutting segment of the loop. A shear ring device for a circular knitting machine according to claim 1, wherein the first cutting blade segment of the first needle is inclined away from the knitting needle direction. The shear ring device of the circular knitting machine of claim 2, wherein the first yarn cutting stroke comprises the first cutting blade segment, the second cutting blade segment and the receiving portion forming an accommodation between the yarn receiving segments A first intermediate stroke of the closed shearing space of the yarn. A shear ring device for a circular knitting machine according to claim 1, wherein the first cutter segment of the first needle is inclined toward the knitting needle. The shearing device of the circular knitting machine of claim 4, wherein the first yarn cutting stroke comprises a first cutting blade segment and the second cutting blade segment forming a receiving yarn and having a A second intermediate stroke of the open open shearing space of the upper opening. The shear ring device of a circular knitting machine according to any one of claims 1 to 5, wherein the second cutting blade segment of the second needle is bent toward the first needle direction. The shear ring device of the circular editing machine of claim 1, wherein the first needle includes a first end facing the knitting needle, the first end portion including the first cutting blade segment. A shearing device for a circular knitting machine, suitable for a circular knitting machine, comprising a circular cylinder, and a yarn feeding system for supplying a plurality of yarns to the circular cylinder, the circular The needle barrel includes a plurality of first needle grooves arranged in parallel along the axial direction of the circular needle barrel, and the shear ring device of the circular knitting machine comprises: an upper needle holder seat disposed on the circular needle barrel, comprising a plurality of second needle grooves radially corresponding to the first needle groove centered on the axial direction of the circular needle barrel, and a plurality of knitting needles respectively disposed on the second needle groove and independently movable; and a plurality of needle cutting needle groups And respectively disposed in the first needle groove, each of the yarn cutting needle sets includes a first needle that can move toward the knitting needle to perform a second hanging stroke to bear the yarn, and a first needle The second needle is arranged in parallel with the needle and is moved toward the needle after the first needle completes the second hanging stroke to perform a second yarn cutting stroke, the first needle being disposed adjacent to the second needle Between the needles, the first needle contains a yarn receiving section for the yarn to bear and cooperate with the needle hook to pull the yarn to form a yarn loop, and a first cutter section connected to the yarn receiving section, the second needle A second cutter segment is provided that moves toward the needle during the second shear stroke and interleaves with the first cutter segment to cut the loop. The shear ring device of the circular knitting machine of claim 8, wherein the first cutting blade segment of the first needle is inclined away from the knitting needle direction. The shear ring device of the circular editing machine according to claim 9, wherein the second yarn cutting stroke includes the first cutting blade segment, the second cutting blade segment, and an accommodation between the yarn receiving segments. A first intermediate stroke of the yarn's enclosed shearing space. A shear ring device for a circular knitting machine according to any one of claims 8 to 10, wherein the second cutting blade segment of the second needle is bent toward the first needle. A shear ring device for a circular knitting machine according to claim 8, wherein the first needle includes a first end facing the needle, the first end including the first cutter segment.