Discharging device of circular knitting machine

Abstract

The utility model relates to a discharging device of a circular knitting machine, the discharging device comprises a rack and a wind-up roller, the wind-up roller is located on the rack and is connected with the rack, the discharging device further comprises two supporting plates, a pushing mechanism, a driving motor, a transmission mechanism and a lifting mechanism, the two supporting plates are located at the two ends of the wind-up roller respectively, each supporting plate is vertically arranged, and the pushing mechanism is arranged between the two supporting plates; the side wall of each supporting plate makes contact with the end of the winding roller, a pushing mechanism located on the rack is connected with the supporting plates and used for driving the supporting plates to move in the direction close to or away from the winding roller, a driving motor is located on the supporting plates and connected with the supporting plates, and an output shaft of the driving motor is connected with a transmission mechanism. The transmission mechanism located at the end of the wind-up roller is connected with the wind-up roller and used for driving the wind-up roller to rotate along with rotation of an output shaft of the driving motor, and the lifting mechanism located at the bottom of the wind-up roller makes contact with the end of the wind-up roller and used for lifting the wind-up roller. The device has the effects that the wind-up roller is convenient to disassemble and replace, and time and labor are saved.

Description

Technical Field

[0001] The present application relates to the field of circular knitting machines, and in particular to a discharging device of a circular knitting machine. Background Art

[0002] Moisture-conducting, breathable, soft and functional knitted fabrics are knitted fabrics with special functions, mainly used in the manufacture of clothing and other textiles. Moisture-conducting, breathable, soft and functional knitted fabrics are often woven by circular knitting machines. Because circular knitting machines have multiple loop forming systems, high speed, high output, fast shape change, good fabric quality, fewer processes, and strong product adaptability.

[0003] The Chinese invention patent with authorization announcement number CN110983604A discloses a circular knitting machine, including three support frames distributed in a central symmetrical manner, a base is provided between the three support frames, a connecting disk is provided on the top of the base, a winding mechanism is provided on the top of the connecting disk, an opening mechanism coaxial with the connecting disk is provided on the outside of the winding mechanism, a machine head connected to the support frame is provided on the outside of the opening mechanism, wherein the winding mechanism includes a winding roller installed on the top of the connecting disk, a clamping roller rotatably connected to the connecting disk is provided on one side of the winding roller, a transmission mechanism is provided at the bottom of the connecting disk, and the transmission mechanism and the winding roller are connected by an adjustment mechanism.

[0004] In the above circular knitting machine, after the winding roller has finished winding up the knitted fabric, the staff needs to separate the winding roller and the knitted fabric from the connecting disk. Due to the heavy weight of the winding roller and the knitted fabric, the staff wastes time and effort, thus affecting production efficiency. Utility Model Content

[0005] In order to facilitate the staff to disassemble and replace the winding roller and save time and effort, the present application provides a discharging device for a circular knitting machine.

[0006] The present application provides a discharging device for a circular knitting machine, which adopts the following technical solution:

[0007] The discharging device of a large circular knitting machine comprises a frame and a winding roller, the winding roller is located on the frame and connected to the frame, and also comprises a support plate, a pushing mechanism, a driving motor, a transmission mechanism and a lifting mechanism, wherein there are two support plates, and the two support plates are respectively located at two ends of the winding roller, each of the support plates is vertically arranged, and the side wall of each support plate contacts with the end of the winding roller, the pushing mechanism is located on the frame, the pushing mechanism is connected to the support plate and is used to drive the support plate to move in a direction approaching or away from the winding roller, the driving motor is located on the support plate and connected to the support plate, the output shaft of the driving motor is connected to the transmission mechanism, the transmission mechanism is located at the end of the winding roller, the transmission mechanism is connected to the winding roller and is used to drive the winding roller to rotate as the output shaft of the driving motor rotates, the lifting mechanism is located at the bottom of the winding roller, the lifting mechanism contacts with the end of the winding roller and is used to lift the winding roller.

[0008] By adopting the above technical solution, the two support plates support the winding roller, and the staff starts the drive motor. The output shaft of the drive motor rotates to drive the transmission mechanism to rotate synchronously, thereby driving the winding roller to rotate and collect the knitted fabric. When the winding roller is wound, the staff adjusts the pushing mechanism to drive the two support plates to move away from each other until the end of the winding roller is disengaged from the transmission mechanism, thereby allowing the winding roller and the knitted fabric to be transferred to the lifting mechanism and finally to transportation equipment such as forklifts, thereby facilitating the staff to transfer the winding roller, reducing the staff's workload, saving time and effort, and improving production efficiency.

[0009] Preferably, a slide groove is provided on the frame, and the length direction of the slide groove is consistent with the axial direction of the winding roller. The pushing mechanism includes a slider, a connecting plate and a driving source. The slider is horizontally arranged and located at the bottom of the support plate, the top of the slider is connected to the bottom of the support plate, the bottom of the slider extends into the slide groove and contacts the side wall of the slide groove, the connecting plate is horizontally arranged and located on one side of the support plate, the connecting plate is connected to the support plate, and the driving source is connected to the connecting plate and is used to drive the connecting plate to move.

[0010] By adopting the above technical solution, the staff starts the driving source, thereby driving the connecting plate to move in a direction perpendicular to the axial direction of the winding roller, and then driving the connecting plate to move synchronously. Through the slide groove and the slider, the two support plates move in a direction away from each other, thereby disengaging the winding roller from the transmission mechanism and finally transmitting it to the lifting mechanism, making it convenient for the staff to disassemble and replace the winding roller, saving time and effort.

[0011] Preferably, the driving source includes a cylinder and a driving plate, the cylinder is horizontally arranged and located on a frame, the cylinder body of the cylinder is connected to the frame, the axial direction of the piston rod of the cylinder is perpendicular to the axial direction of the winding roller, the piston rod of the cylinder is connected to the driving plate, the driving plate is horizontally arranged and located below the winding roller, and the end of the driving plate away from the cylinder is connected to the end of the connecting plate.

[0012] By adopting the above technical solution, the staff starts the cylinder, and the piston rod of the cylinder is extended and retracted to drive the drive plate to move synchronously along the width direction of the frame, thereby driving the connecting plate to move, and finally driving the two support plates to move in a direction away from each other, thereby facilitating the separation of the winding roller and the support plate.

[0013] Preferably, the transmission mechanism includes a transverse axis, a transmission shaft and a connecting piece, the transverse axis is horizontally arranged, the outer side wall of the transverse axis is connected to the support plate, the end of the transverse axis is circumferentially connected to the output shaft of the driving motor, a transverse groove is coaxially opened at one end of the transverse axis away from the driving motor, the transverse groove is horizontally arranged, the transmission shaft is horizontally arranged, one end of the transmission shaft extends into the transverse groove and contacts the side wall of the transverse groove, the other end of the transmission shaft is connected to the end of the winding roller, the connecting piece is located at the end of the transmission shaft, the connecting piece contacts the side wall of the transverse groove and is used to make the transmission shaft rotate with the rotation of the transverse axis.

[0014] By adopting the above technical solution, the horizontal axis provides support for the transmission shaft and the connecting piece. The staff starts the drive motor, and the output shaft of the drive motor rotates to drive the horizontal axis to rotate synchronously. The transmission shaft rotates with the horizontal axis through the connecting piece, thereby driving the winding roller to rotate synchronously, thereby facilitating the winding of the knitted fabric by the winding roller.

[0015] Preferably, a connecting groove is opened on the side wall of the transverse groove, and the connecting groove is horizontally arranged. The connecting member includes a connecting block, one side of the connecting block is connected to the end of the transmission shaft, and the other side of the connecting block extends into the connecting groove and contacts the side wall of the connecting groove.

[0016] By adopting the above technical solution, one end of the connecting block is connected to the transmission shaft, and the other end of the connecting block extends into the connecting groove. When the horizontal axis rotates, the connecting shaft rotates with the horizontal axis through the connecting block and the connecting groove, thereby driving the winding roller to rotate synchronously.

[0017] Preferably, the lifting mechanism includes a rotating plate and a buffer, the rotating plate is inclined and located below the winding roller, the rotating plate is connected to the frame, the top of the rotating plate is used to contact the end of the winding roller, the buffer is located at the bottom of the rotating plate, and the buffer is connected to the rotating plate and used to buffer the rotating plate.

[0018] By adopting the above technical solution, when the winding roller is separated from the transmission mechanism, the winding roller is transmitted to the rotating plate, and the impact damage caused by the contact between the winding roller and the rotating plate is reduced through the buffer component, so that the winding roller is transmitted to the transportation equipment such as forklift after passing through the rotating plate.

[0019] Preferably, the buffer comprises a vertical rod, a horizontal plate and a spring, the vertical rod is vertically arranged and located below the rotating plate, one end of the vertical rod passes through the frame and extends to the bottom of the frame, the other end of the vertical rod is connected to the horizontal plate, the horizontal plate is horizontally arranged, the top of the horizontal plate contacts the bottom of the rotating plate, the spring is vertically arranged and sleeved on the vertical rod, one end of the spring is connected to the horizontal plate, and the other end of the spring is connected to the frame.

[0020] By adopting the above technical solution, when the winding roller is transmitted to the rotating plate, part of the weight potential energy of the winding roller is converted into the elastic potential energy of the spring, thereby reducing the wear caused by the impact between the winding roller and the rotating plate and improving the quality of the knitted fabric.

[0021] Preferably, a plurality of balls are arranged on the side wall of the slide groove, and the plurality of balls are evenly distributed along the length direction of the slide groove, one side of each ball is connected to the side wall of the slide groove, and the other side of each ball is in contact with the side wall of the slider.

[0022] By adopting the above technical solution, the ball converts the sliding friction between the side wall of the slide groove and the slider into rolling friction, thereby reducing the wear between the slider and the side wall of the slide groove and extending the service life of the slider and the slide groove.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. When the winding roller is winding the knitted fabric, the staff starts the driving motor, and the output shaft of the driving motor rotates to drive the horizontal axis to rotate synchronously. Through the connecting block and the connecting groove, the transmission block rotates with the rotation of the horizontal axis, thereby driving the winding roller to rotate synchronously, and then winding the knitted fabric. When the knitted fabric is wound, the support plate moves in a direction away from each other through the pushing mechanism, so that the winding roller and the transmission shaft are separated from the support plate and transmitted to the rotating plate, so that the staff does not need to lift the winding roller and the knitted fabric, saving time and effort, and improving production efficiency;

[0025] 2. When the winding roller and the knitted fabric are in contact with the top of the rotating plate, part of the gravity potential energy of the winding roller is converted into the elastic potential energy of the spring, thereby reducing the collision damage between the winding roller and the rotating plate and improving the quality of the knitted fabric;

[0026] 3. One side of the ball is connected to the side wall of the slide groove, and the other side of the ball is in contact with the side wall of the slider, thereby converting the sliding friction between the side wall of the slide groove and the slider into rolling friction, thereby reducing the wear between the slider and the slide groove and extending the service life of the slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The present invention is a schematic diagram of the overall structure of a discharging device of a circular knitting machine.

[0028] Figure 2 It is a partial structural diagram of the discharge device of a circular knitting machine, mainly showing the driving mechanism.

[0029] Figure 3 It is an exploded schematic diagram of a partial structure of the discharge device of a circular knitting machine, mainly showing the transverse grooves.

[0030] Explanation of the accompanying drawings: 1. Frame; 11. Slide groove; 12. Ball bearing; 21. Support plate; 22. Winding roller; 23. Driving motor; 3. Transmission mechanism; 31. Horizontal axis; 32. Transmission shaft; 33. Connecting block; 41. Horizontal groove; 42. Connecting groove; 5. Pushing mechanism; 51. Slider; 52. Connecting plate; 53. Driving source; 531. Cylinder; 532. Driving plate; 6. Lifting mechanism; 61. Rotating plate; 62. Buffer; 621. Vertical rod; 622. Horizontal plate; 623. Spring; 71. Rotating groove; 72. Flexible layer; 73. Abutment plate. DETAILED DESCRIPTION

[0031] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0032] The embodiment of the present application discloses a discharging device of a circular knitting machine.

[0033] Reference Figure 1 and Figure 2 A discharging device of a circular knitting machine includes a frame 1, a slide groove 11 is opened on the frame 1, the slide groove 11 passes through the frame 1 in a horizontal direction, the slide groove 11 is T-shaped, a plurality of balls 12 are installed in the slide groove 11, and the plurality of balls 12 are evenly distributed along the length direction of the slide groove 11, and one side of each ball 12 is rotatably connected to the side wall of the slide groove 11.

[0034] A support plate 21 and a winding roller 22 are installed on the frame 1. There are two support plates 21, and the bottoms of the two vertically arranged support plates 21 are in contact with the top of the frame 1. The winding roller 22 is located between the two support plates 21, and the two ends of the winding roller 22 are rotatably connected to the side walls of the two support plates 21 respectively.

[0035] Reference Figure 1 and Figure 3The transmission mechanism 3 and the driving motor 23 are installed on the support plate 21. The transmission mechanism 3 includes a transverse shaft 31, a transmission shaft 32 and a connecting piece. The connecting piece includes a connecting block 33. The driving motor 23 is located on the support plate 21. The driving motor 23 is connected to the side wall of the support plate 21. The output shaft of the driving motor 23 is circumferentially fixedly connected to the transverse shaft 31. The horizontally arranged transverse shaft 31 is coaxially arranged with the winding roller 22, and the outer side wall of the transverse shaft 31 is rotatably connected with the side wall of the support plate 21. A transverse groove 41 is coaxially provided at one end of the transverse shaft 31 away from the driving motor 23. The transverse groove 41 is horizontally arranged. A connecting groove 42 is provided on the side wall of the transverse groove 41. The connecting groove 42 is horizontally arranged. One end of the horizontally arranged transmission shaft 32 extends into the transverse groove 41 and contacts the side wall of the transverse groove 41. The other end of the transmission shaft 32 is fixedly connected to the end of the winding roller 22. The connecting block 33 is located in the transverse groove 41 , one side of the connecting block 33 is connected to the end of the transmission shaft 32 , and the other side of the connecting block 33 extends into the connecting groove 42 and contacts the side wall of the connecting groove 42 .

[0036] The staff starts the driving motor 23, and the output shaft of the driving motor 23 rotates to drive the horizontal axis 31 to rotate synchronously. Through the connecting groove 42 and the connecting block 33, the transmission shaft 32 rotates synchronously with the horizontal axis 31, thereby driving the winding roller 22 to rotate synchronously, making it convenient for the winding roller 22 to wind up the knitted fabric.

[0037] Reference Figure 1 and Figure 2 The frame 1 is provided with a driving mechanism 5 for driving the two support plates 21 to move away from or towards each other. The driving mechanism 5 includes a slider 51, a connecting plate 52 and a driving source 53. There are two sliders 51 and two connecting plates 52, and the two sliders 51 and the two connecting plates 52 correspond to the two support plates 21 one by one. Each horizontally arranged slider 51 is in a T shape. Each slider 51 is located at the bottom of the support plate 21, and the top of each slider 51 is fixedly connected to the bottom of the support plate 21. The bottom of each slider 51 extends into the slide groove 11 and contacts the ball 12. The horizontally arranged connecting plate 52 is located at one side of the support plate 21, and the end of the connecting plate 52 is hinged to the side wall of the support plate 21. The driving source 53 includes a cylinder 531 and a driving plate 532. The horizontally arranged cylinder 531 is located on the frame 1, and the cylinder body of the cylinder 531 is fixedly connected to the frame 1. The axial direction of the piston rod of the cylinder 531 is perpendicular to the width direction of the frame 1. The piston rod of the cylinder 531 is fixedly connected to the driving plate 532. The horizontally arranged driving plate 532 is located below the winding roller 22, and the end of the driving plate 532 away from the cylinder 531 is hinged to the end of the connecting plate 52.

[0038] The staff starts the cylinder 531, and the piston rod of the cylinder 531 is extended and retracted to drive the driving plate 532 to move along the width direction of the frame 1, thereby driving the connecting plate 52 to move synchronously, and through the slider 51 and the slide groove 11, the two support plates 21 move in a direction away from or close to each other, thereby driving the driving motor 23 and the horizontal axis 31 to move synchronously, thereby making the side wall of the transmission shaft 32 disengage from the side wall of the horizontal groove 41, thereby facilitating the disengagement of the winding roller 22 from the horizontal axis 31 and facilitating the staff to disassemble the winding roller 22.

[0039] Reference Figure 2 and Figure 3 The frame 1 is provided with a lifting mechanism 6, which includes a rotating plate 61 and a buffer 62. The tilted rotating plate 61 is located below the winding roller 22, and the end of the rotating plate 61 is hinged to the frame 1. A rotating groove 71 is provided at the bottom of the rotating plate 61. The rotating groove 71 is T-shaped, and the length direction of the rotating groove 71 is consistent with the length direction of the rotating plate 61. A flexible layer 72 is installed on the top of the rotating plate 61. Specifically, the flexible layer 72 is made of rubber material. The bottom of the flexible layer 72 is bonded to the rotating plate 61, and the top of the flexible layer 72 contacts the end of the winding roller 22, thereby reducing the wear of the knitted fabric caused by the collision between the winding roller 22 and the rotating plate 61.

[0040] The buffer member 62 includes a vertical rod 621, a horizontal plate 622 and a spring 623. The vertical rod 621 is located below the rotating plate 61. One end of the vertical rod 621 passes through the frame 1 and extends to the bottom of the frame 1. The other end of the vertical rod 621 is installed with an abutment plate 73. The abutment plate 73 is in a T shape. The top of the abutment plate 73 extends into the rotating groove 71 and contacts the side wall of the rotating groove 71. The bottom of the abutment plate 73 is hinged to the top of the vertical rod 621. The horizontally arranged horizontal plate 622 is in a disc shape and is located below the abutment plate 73. The horizontal plate 622 is sleeved on the vertical rod 621 and fixedly connected to the vertical rod 621. The vertically arranged spring 623 is sleeved on the vertical rod 621. One end of the spring 623 is connected to the bottom of the horizontal plate 622, and the other end of the spring 623 is fixedly connected to the top of the frame 1.

[0041] When the winding roller 22 and the transmission shaft 32 are separated from the horizontal shaft 31, the side wall of the winding roller 22 contacts the flexible layer 72 on the rotating plate 61, and part of the gravitational potential energy of the winding roller 22 and the knitted fabric is converted into the elastic potential energy of the spring 623, thereby reducing the collision damage between the winding roller 22 and the knitted fabric and the rotating plate 61, thereby improving the quality of the winding roller 22 and the knitted fabric. At the same time, after the winding roller 22 and the fabric are transferred to the rotating plate 61, they are finally transferred to the set position through transportation equipment such as forklifts, thereby eliminating the need for staff to manually lift the winding roller 22 and the knitted fabric, saving time and effort and improving production efficiency.

[0042] The implementation principle of the discharge device of a circular knitting machine in an embodiment of the present application is as follows: when the knitted fabric is transmitted to the winding roller 22, the staff starts the driving motor 23, and the output shaft of the driving motor 23 rotates to drive the horizontal axis 31 to rotate synchronously. Through the connecting groove 42 and the connecting block 33, the transmission shaft 32 rotates synchronously with the horizontal axis 31, thereby driving the winding roller 22 to rotate synchronously, thereby winding the knitted fabric.

[0043] When the winding roller 22 finishes winding the knitted fabric, the staff starts the cylinder 531, and the piston rod of the cylinder 531 is extended and retracted to drive the driving plate 532 to move synchronously along the width direction of the frame 1, thereby driving the connecting plate 52 to move synchronously, and through the slider 51, the two support plates 21 move in a direction away from each other, thereby driving the horizontal axis 31 to move synchronously until the horizontal axis 31 is disengaged from the transmission shaft 32, so that the winding roller 22 and the knitted fabric are transmitted to the rotating plate 61 until the rotating plate 61 rotates, and the horizontal plate 622 and the vertical rod 621 move vertically downward, thereby converting part of the gravitational potential energy of the winding roller 22 and the knitted fabric into the elastic potential energy of the spring 623, thereby reducing the collision and wear between the winding roller 22 and the knitted fabric, and improving the processing quality of the knitted fabric.

[0044] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A discharging device for a circular knitting machine, comprising a frame (1) and a winding roller (22), wherein the winding roller (22) is located on the frame (1) and connected to the frame (1), and characterized in that: The machine also comprises a support plate (21), a driving mechanism (5), a driving motor (23), a transmission mechanism (3) and a lifting mechanism (6); there are two support plates (21), and the two support plates (21) are respectively located at two ends of the winding roller (22); each of the support plates (21) is vertically arranged, and the side wall of each of the support plates (21) is in contact with the end of the winding roller (22); the driving mechanism (5) is located on the frame (1), and the driving mechanism (5) is connected to the support plate (21) and is used to drive the support plate (21) to move closer to or farther from the winding roller (22). The winding roller (22) is movable in the direction of rotation, the driving motor (23) is located on the supporting plate (21) and is connected to the supporting plate (21), the output shaft of the driving motor (23) is connected to the transmission mechanism (3), the transmission mechanism (3) is located at the end of the winding roller (22), the transmission mechanism (3) is connected to the winding roller (22) and is used to drive the winding roller (22) to rotate along with the output shaft of the driving motor (23), the lifting mechanism (6) is located at the bottom of the winding roller (22), the lifting mechanism (6) is in contact with the end of the winding roller (22) and is used to lift and lower the winding roller (22).

2. The discharging device of a circular knitting machine according to claim 1, characterized in that: The frame (1) is provided with a slide groove (11), the length direction of the slide groove (11) is consistent with the axial direction of the winding roller (22), the pushing mechanism (5) comprises a slider (51), a connecting plate (52) and a driving source (53), the slider (51) is horizontally arranged and located at the bottom of the support plate (21), the top of the slider (51) is connected to the bottom of the support plate (21), the bottom of the slider (51) extends into the slide groove (11) and contacts the side wall of the slide groove (11), the connecting plate (52) is horizontally arranged and located on one side of the support plate (21), the connecting plate (52) is connected to the support plate (21), and the driving source (53) is connected to the connecting plate (52) and is used to drive the connecting plate (52) to move.

3. The discharging device of a circular knitting machine according to claim 2, characterized in that: The driving source (53) comprises a cylinder (531) and a driving plate (532); the cylinder (531) is horizontally arranged and located on the frame (1); the cylinder body of the cylinder (531) is connected to the frame (1); the axial direction of the piston rod of the cylinder (531) is perpendicular to the axial direction of the winding roller (22); the piston rod of the cylinder (531) is connected to the driving plate (532); the driving plate (532) is horizontally arranged and located below the winding roller (22); and one end of the driving plate (532) away from the cylinder (531) is connected to the end of the connecting plate (52).

4. The discharging device of a circular knitting machine according to claim 1, characterized in that: The transmission mechanism (3) comprises a transverse shaft (31), a transmission shaft (32) and a connecting member, wherein the transverse shaft (31) is arranged horizontally, an outer side wall of the transverse shaft (31) is connected to a support plate (21), an end of the transverse shaft (31) is circumferentially connected to an output shaft of a drive motor (23), an end of the transverse shaft (31) away from the drive motor (23) is coaxially provided with a transverse groove (41), the transverse groove (41) is arranged horizontally, the transmission shaft (32) is arranged horizontally, one end of the transmission shaft (32) extends into the transverse groove (41) and contacts the side wall of the transverse groove (41), the other end of the transmission shaft (32) is connected to the end of a winding roller (22), and the connecting member is located at the end of the transmission shaft (32), the connecting member contacts the side wall of the transverse groove (41) and is used to make the transmission shaft (32) rotate with the rotation of the transverse shaft (31).

5. The discharging device of the circular knitting machine according to claim 4, characterized in that: A connecting groove (42) is provided on the side wall of the transverse groove (41), the connecting groove (42) being arranged horizontally, and the connecting member comprises a connecting block (33), one side of the connecting block (33) being connected to the end of the transmission shaft (32), and the other side of the connecting block (33) extending into the connecting groove (42) and contacting the side wall of the connecting groove (42).

6. The discharging device of a circular knitting machine according to claim 1, characterized in that: The lifting mechanism (6) comprises a rotating plate (61) and a buffer (62); the rotating plate (61) is arranged at an angle and is located below the winding roller (22); the rotating plate (61) is connected to the frame (1); the top of the rotating plate (61) is used to contact the end of the winding roller (22); the buffer (62) is located at the bottom of the rotating plate (61); and the buffer (62) is connected to the rotating plate (61) and is used to buffer the rotating plate (61).

7. A discharging device for a circular knitting machine according to claim 6, characterized in that: The buffer member (62) comprises a vertical rod (621), a horizontal plate (622) and a spring (623); the vertical rod (621) is vertically arranged and located below the rotating plate (61); one end of the vertical rod (621) passes through the frame (1) and extends to the bottom of the frame (1); the other end of the vertical rod (621) is connected to the horizontal plate (622); the horizontal plate (622) is horizontally arranged; the top of the horizontal plate (622) contacts the bottom of the rotating plate (61); the spring (623) is vertically arranged and sleeved on the vertical rod (621); one end of the spring (623) is connected to the horizontal plate (622); and the other end of the spring (623) is connected to the frame (1).

8. The discharging device of a circular knitting machine according to claim 2, characterized in that: A plurality of balls (12) are arranged on the side wall of the slide groove (11), and the plurality of balls (12) are evenly distributed along the length direction of the slide groove (11), one side of each ball (12) is connected to the side wall of the slide groove (11), and the other side of each ball (12) is in contact with the side wall of the slider (51).

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