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CN-122013425-A - Double-sided needle cylinder rounding machine

CN122013425ACN 122013425 ACN122013425 ACN 122013425ACN-122013425-A

Abstract

The invention discloses a double-sided needle cylinder circular machine which comprises an upper supporting disc and a lower supporting disc, wherein the upper supporting disc is provided with an upper needle disc, the lower supporting disc is provided with a lower needle disc, the upper needle disc and the lower needle disc are mutually matched to realize knitting, a cloth-moving gap for a fabric to pass through is formed between the upper needle disc and the lower needle disc, and the double-sided needle cylinder circular machine further comprises a linkage frame, the linkage frame is positioned at the inner periphery of the upper supporting disc, the linkage frame is fixedly connected with the upper supporting disc and the lower supporting disc respectively, and the upper supporting disc and the lower supporting disc synchronously rotate through the linkage frame. According to the invention, the upper supporting disc and the lower supporting disc can be determined to be in a relatively fixed state all the time, synchronous rotation can be realized, and the influence of rotation errors between the upper needle disc and the lower needle disc can be eliminated.

Inventors

  • LI DINGYUN

Assignees

  • 绍兴祥铭机械科技有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (10)

  1. 1. The double-sided needle cylinder circular machine is characterized by comprising an upper supporting disc (1) and a lower supporting disc (2), wherein the upper supporting disc (1) is provided with an upper needle disc (11), the lower supporting disc (2) is provided with a lower needle disc (21), the upper needle disc (11) and the lower needle disc (21) are mutually matched to realize knitting, and a cloth moving gap (100) for a fabric to pass through is formed between the upper needle disc (11) and the lower needle disc (21); Still include link frame (3), link frame (3) are located the inner periphery of last supporting disk (1), link frame (3) respectively with last supporting disk (1), lower supporting disk (2) fixed connection, go up supporting disk (1), lower supporting disk (2) through link frame (3) synchronous rotation.
  2. 2. The double-sided syringe rounding machine according to claim 1, characterized in that the linkage frame (3) comprises a linkage arm (31), a first end (311) of the linkage arm (31) is fixedly connected with the lower supporting disc (2), a second end (312) of the linkage arm (31) is fixedly connected with the upper supporting disc (1), and a cloth slitting knife (4) is arranged on the upper side of the linkage arm (31).
  3. 3. A double-sided syringe rounding machine according to claim 2, characterized in that the linkage frame (3) comprises a plurality of groups of linkage arms (31), each linkage arm (31) is evenly distributed in a ring shape along the lower supporting disc (2), and a slitting knife (4) is arranged on the upper side of each linkage arm (31).
  4. 4. The double-sided syringe rounding machine according to claim 1, characterized by comprising a frame, wherein the frame comprises a lower supporting part (5), a rotary connecting part (22) is fixedly connected to the lower side of the lower supporting plate (2), and the rotary connecting part (22) is rotatably mounted on the lower supporting part (5).
  5. 5. The double-sided syringe rounding machine according to claim 1, characterized in that the machine frame further comprises an upper supporting portion (7), the upper supporting portion (7) is located on the upper side of the machine frame (5), the upper supporting portion (7) comprises a fixed shaft seat (71), the central shaft (6) is rotatably installed on the fixed shaft seat (71), and the upper supporting disc (1) is fixedly connected with the central shaft (6).
  6. 6. The double-sided syringe rounding machine according to claim 4, characterized in that the central shaft (6) is rotatably mounted in the fixed shaft seat (71) through a bearing group (73) and can realize circumferential rotation and axial limiting with the fixed shaft seat (71).
  7. 7. The double-sided syringe rounding machine according to claim 4, characterized in that the inner periphery of the fixed shaft seat (71) is provided with a movable shaft seat (72), the central shaft (6) is rotatably arranged in the movable shaft seat (72) through a bearing group (73), and the central shaft and the movable shaft seat (72) can realize circumferential rotation and axial limiting.
  8. 8. The double-sided syringe rounding machine according to claim 7, wherein the movable shaft seat (72) can be adjusted in a vertical sliding mode in the fixed shaft seat (71), the fixed shaft seat (71) is provided with a toothed ring mounting portion (711), a toothed ring (74) is mounted in the toothed ring mounting portion (711), the toothed ring (74) is sleeved outside the movable shaft seat (72) and is in threaded connection with the movable shaft seat (72), the fixed shaft seat (71) is further provided with a gear mounting portion (712), an adjusting gear (75) is rotatably mounted in the gear mounting portion (712), the adjusting gear (75) and the toothed ring (74) are in meshed transmission, and the double-sided syringe rounding machine further comprises an adjusting driver, and the adjusting driver is mounted on the fixed shaft seat (71) and used for driving the adjusting gear (75) to rotate.
  9. 9. The double-sided syringe rounding machine according to claim 5, further comprising a rotary driver (8), wherein the rotary driver (8) is mounted on the upper supporting portion (7), the rotary driver (8) is used for driving the central shaft (6) to rotate, and the rotary driver (8) comprises an output shaft (821), and the output shaft (821) is inserted into the upper end portion (61) of the central shaft (6) and can be mutually and circumferentially synchronous and axially adjusted.
  10. 10. The double-sided syringe rounding machine according to claim 4, further comprising a rotary driver (8), wherein the rotary driver (8) is mounted on the lower supporting portion (5), the rotary driver (8) is used for driving the lower supporting plate (2) to rotate, the rotary driver (8) comprises an output shaft (821), a driving gear is mounted on the output shaft (821), a driving tooth portion is fixed on the periphery of the lower supporting plate (2), and the driving gear and the driving tooth portion are in meshed transmission.

Description

Double-sided needle cylinder rounding machine Technical Field The invention relates to a circular knitting machine, in particular to a double-sided needle cylinder circular knitting machine. Background The double-sided needle cylinder circular machine is provided with two needle cylinders, namely an upper needle dial and a lower needle dial, wherein the upper needle dial and the lower needle dial synchronously rotate to realize knitting in the working process, and fabrics produced by knitting are downwards circulated through a gap between the upper needle dial and the lower needle dial to realize fabric winding. In the existing double-sided needle cylinder circular knitting machine, a gear structure is arranged on the outer Zhou Junyi body of an upper needle disc and a lower needle disc, a transmission shaft which is vertically arranged on the outer side of a needle cylinder is arranged on the outer side of the needle cylinder, and two groups of gear structures are arranged on the transmission shaft and are respectively meshed with the upper needle disc and the lower needle disc for transmission. In the working process, the driving motor drives the transmission shaft to rotate, and the transmission shaft drives the upper needle dial and the lower needle dial to synchronously rotate through the gear structure, so that knitting action can be realized. The transmission structure realizes transmission through a transmission shaft and a gear between an upper needle disc and a lower needle disc, has certain clearance and error in the gear transmission process, influences the synchronism of the upper needle disc and the lower needle disc, and further influences the knitting stability and precision of a circular knitting machine, and has larger size of the gear outside a needle cylinder due to larger radial outlines of the upper needle disc and the lower needle disc, so that certain precision error can be inevitably generated in the production and processing process, and the synchronism of the upper needle disc and the lower needle disc is influenced. Therefore, a new technical scheme is required to be provided to solve the problem of synchronization of two needle cylinders in the double-needle cylinder circular knitting machine. Disclosure of Invention The invention aims to overcome the defects of the prior art and provides a double-sided needle cylinder circular knitting machine. In order to achieve the aim, the double-sided needle cylinder circular machine comprises an upper supporting disc and a lower supporting disc, wherein the upper supporting disc is provided with an upper needle disc, the lower supporting disc is provided with a lower needle disc, the upper needle disc and the lower needle disc are mutually matched to achieve knitting, a cloth-moving gap for a fabric to pass through is formed between the upper needle disc and the lower needle disc, and the double-sided needle cylinder circular machine further comprises a linkage frame, the linkage frame is positioned at the inner periphery of the upper supporting disc, the linkage frame is fixedly connected with the upper supporting disc and the lower supporting disc respectively, and the upper supporting disc and the lower supporting disc synchronously rotate through the linkage frame. Further, the linkage frame comprises a linkage arm, a first end of the linkage arm is fixedly connected to the lower supporting disc, a second end of the linkage arm is fixedly connected to the upper supporting disc, and a cloth slitting knife is arranged on the upper side of the linkage arm. Further, the linkage frame comprises a plurality of groups of linkage arms, each linkage arm is uniformly distributed in a ring shape along the lower supporting disc, and a cloth cutting knife is arranged on the upper side of each linkage arm. Further, the device comprises a frame, wherein the frame comprises a lower supporting part, the lower side of the lower supporting plate is fixedly connected with a rotary connecting part, and the rotary connecting part is rotatably arranged on the lower supporting part; Further, the frame also comprises an upper supporting part, the upper supporting part is positioned at the upper side of the frame, the upper supporting part comprises a fixed shaft seat, a central shaft is rotatably arranged in the fixed shaft seat, and the upper supporting disc is fixedly connected with the central shaft. Further, the central shaft is rotatably arranged in the fixed shaft seat through the bearing group and can realize circumferential rotation and axial limiting with the fixed shaft seat. Further, the movable shaft seat is arranged on the inner periphery of the fixed shaft seat, and the central shaft is rotatably arranged in the movable shaft seat through the bearing group and can realize circumferential rotation and axial limiting with the movable shaft seat. The movable shaft seat is provided with a gear ring installation part, a gear ring is installed in the