A needle straightening machine

Abstract

The utility model relates to knitting needle straightening technical field, especially is knitting needle general straightening machine, this kind of knitting needle general straighten machine, including feeding mechanism, carousel mechanism sets up in the discharge side of feeding mechanism, carrier sets up in the carousel of carrier disc mechanism, knitting needle is placed on the carrier, vertical straightening mechanism, horizontal straightening mechanism set up in the side of carousel mechanism, vertical straightening mechanism can be to knitting needle vertical straightening, horizontal straightening mechanism can be to knitting needle horizontal straightening, discharging mechanism sets up in the discharge side of carousel mechanism, and discharging mechanism can recover knitting needle after straightening. Feeding mechanism loads knitting needle to carrier disc, carrier disc rotates, and knitting needle passes through vertical straightening mechanism, horizontal straightening mechanism, and vertical straightening and horizontal straightening are completed in proper order, and the discharging mechanism classifies knitting needle and recycles after straightening. Visible, this knitting needle general straightening machine realizes automatic feeding, straightening, discharging, and process connection is close, and the degree of automation is higher, helps to improve straightening efficiency.

Description

Technical Field

[0001] This utility model relates to the field of needle straightening technology, and in particular to a universal needle straightening machine. Background Technology

[0002] Needle punching machines are widely used in the nonwoven fabric weaving of nonwoven fabrics such as papermaking felt, shoe material base fabric, and microfiber. The needle is the most important part of the needle punching machine, and its specifications and quality have a direct impact on the performance and quality of the needle punching process. After the needles are produced, they usually need to be straightened to ensure quality.

[0003] Knitting needle straightening typically involves feeding, straightening, and unloading. While there are some knitting needle straightening devices on the market, some can only straighten knitting needles and cannot automatically feed and unload them, resulting in low automation and low straightening efficiency.

[0004] For example, Chinese patent application number CN202021789881.7, "Knitting Needle Curvature Inspection and Correction Device," describes a device that can only detect and straighten the curvature of knitting needles. It has a low degree of automation and low straightening efficiency. Utility Model Content

[0005] In view of this, the present invention addresses the deficiencies of the existing technology and its main purpose is to provide a universal straightening machine for knitting needles that can automatically feed, straighten, and unload materials, with a higher degree of automation, thereby overcoming the shortcomings of the existing technology.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: This application provides a universal straightening machine for knitting needles, including a feeding mechanism; a turntable mechanism is disposed on the discharge side of the feeding mechanism; a carrier is disposed on the turntable of the carrier mechanism, and the knitting needles are placed on the carrier; The vertical straightening mechanism and the horizontal straightening mechanism are located on the side of the turntable mechanism; the vertical straightening mechanism can straighten the knitting needles vertically; the horizontal straightening mechanism can straighten the knitting needles horizontally. The feeding mechanism is located on the feeding side of the turntable mechanism; the feeding mechanism can retract the straightened knitting needles.

[0007] Preferably, the feeding mechanism includes a vibrating feeding trough, a first feeding robot arm disposed on the upper side of the feeding trough, a suction device disposed on the discharge end of the feeding trough, and a feeding robot arm disposed on the upper side of the suction device; the first feeding robot arm can move the knitting needles in the feeding trough; the suction device picks up the knitting needles in the feeding trough; the feeding robot arm clamps the knitting needles on the suction device and transfers the knitting needles to the carrier.

[0008] Preferably, the suction device includes a mounting frame, a suction head rotatably mounted on the mounting frame, a baffle plate mounted on the side of the suction head, and a guide frame mounted on the side of the mounting frame; the guide frame is provided with a guide hole; the suction head is provided with a suction groove; the end of the suction head is provided with a connector; a rotating shaft is eccentrically mounted on the connector; the rotating shaft is inserted into the guide hole.

[0009] Preferably, the carrier includes a carrier base, a clamping block inclinedly disposed on the carrier base, and a spring rod connected to the clamping block; the spring rod pulls the clamping block; a push rod is disposed on the lower side of the turntable; the push rod pushes the spring rod, and the carrier opens.

[0010] Preferably, the clamping block has a stepped opening that can press the knitting needle tightly.

[0011] Preferably, the vertical straightening mechanism includes a first straight module, a first straightening fixture disposed in the first straight module, and a first sensor disposed on the upper or lower side of the first straightening fixture; the knitting needle extends into the straightening opening of the first straightening fixture, and the first straightening fixture straightens the knitting needle; The lateral straightening mechanism includes a second straight module, a second straightening fixture disposed on the second straight module, and a second sensor disposed on the upper or lower side of the second straightening fixture; the knitting needle extends into the straightening opening of the second straightening fixture, and the second straightening fixture straightens the knitting needle.

[0012] Preferably, a tensioning fixture is also provided on the lower side of the turntable; the tensioning fixture can pull the spring rod.

[0013] Preferably, a tongue-pulling mechanism is further provided between the vertical straightening mechanism and the horizontal straightening mechanism; the tongue-pulling mechanism includes a first cylinder, a second cylinder provided at the output end of the first cylinder, and a needle-pulling mechanism provided at the output end of the second cylinder; the needle-pulling mechanism can move the tongue plate on the knitting needle.

[0014] Preferably, the unloading mechanism includes a recycling tank, an unloading robot and a second material-dispensing robot disposed on the upper side of the recycling tank, a waste bin disposed on the side of the recycling tank, and a pusher plate disposed at the end of the recycling tank; the unloading robot can transfer the knitting needles on the carrier to the recycling tank or the waste bin; the pusher plate can push the knitting needles in the recycling tank, and the second material-dispensing robot can move the knitting needles in the recycling tank.

[0015] Preferably, the recycling tank is provided with a top plate; a bracket is provided on the inner side of the recycling tank; a support is provided on the outer side of the recycling tank; the top plate lifts the tray in the recycling tank; and the bracket supports the tray onto the support.

[0016] Compared with existing technologies, this invention has significant advantages and beneficial effects. Specifically, as shown in the above technical solution, the feeding mechanism loads the knitting needles onto the carrier plate; the carrier plate rotates, and the knitting needles pass through the vertical straightening mechanism and the horizontal straightening mechanism, completing vertical and horizontal straightening sequentially; after straightening, the unloading mechanism sorts and collects the knitting needles. Therefore, this universal knitting needle straightening machine achieves automatic feeding, straightening, and unloading, with close process connections and a higher degree of automation, which helps improve straightening efficiency. Attached Figure Description

[0017] Figure 1 This is an overall schematic diagram of an embodiment of the present utility model.

[0018] Figure 2 This is a top view schematic diagram of an embodiment of the present utility model.

[0019] Figure 3 This is an embodiment of the present utility model. Figure 1 Another perspective diagram.

[0020] Figure 4 This is a schematic diagram of the feeding mechanism according to an embodiment of the present utility model.

[0021] Figure 5 This is an exploded view of part of the feeding mechanism according to an embodiment of the present utility model.

[0022] Figure 6 This is a schematic diagram of part of the feeding mechanism in an embodiment of this utility model.

[0023] Figure 7 This is a schematic diagram of the vehicle tensioning according to an embodiment of the present utility model.

[0024] Figure 8 This is a schematic diagram of the vehicle being tensioned and opened according to an embodiment of this utility model.

[0025] Figure 9 This is a schematic diagram of the lateral straightening mechanism according to an embodiment of the present invention.

[0026] Figure 10 This is a schematic diagram of the tongue-pulling mechanism according to an embodiment of the present invention.

[0027] Figure 11 This is a schematic diagram of the lateral straightening mechanism according to an embodiment of the present invention.

[0028] Figure 12 This is a schematic diagram of the feeding mechanism according to an embodiment of the present utility model.

[0029] Figure 13 This is a side view schematic diagram of the feeding mechanism according to an embodiment of the present invention. Explanation of reference numerals in the attached diagram: 10. Knitting needle; 20. Feeding mechanism; 21. Feeding trough; 22. First feeding robot; 30. Suction device; 31. Guide frame; 32. Guide hole; 33. Connector; 34. Rotary shaft; 35. Mounting frame; 36. Suction head; 37. Suction trough; 38. Baffle plate; 39. Third cylinder; 40. Turntable mechanism; 41. Turntable; 42. Fourth cylinder; 43. Push rod; 44. Tensioning fixture; 45. Fifth cylinder; 46. CCD camera; 50. Carrier; 51. Carrier base; 52. Clamping block; 53. Step opening; 54. Spring rod; 60. Vertical straightening mechanism; 61. First linear module; 62. First straightening fixture; 63. First sensor; 70. Tongue-pulling mechanism; 71. First cylinder; 72. Second cylinder; 73. Pulling needle; 80. Lateral straightening mechanism; 81. Second straightening fixture; 82. Second sensor; 83. Second linear module; 90. Unloading mechanism; 91. Recycling tank; 92. Carrier tray; 93. Top plate; 94. Unloading robot; 95. Second material-pulling robot; 96. Scrap bin; 97. Sixth cylinder; 98. Pusher plate; 99. Seventh cylinder; 910. Eighth cylinder; 911. Bracket; 912. Support. Detailed Implementation

[0030] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0031] Please refer to Figures 1 to 13 As shown, it illustrates the specific structure of a preferred embodiment of the present invention, which is a universal straightening machine for knitting needles 10.

[0032] Among them, the feeding mechanism 20, the turntable mechanism 40, the carrier 50, the vertical straightening mechanism 60, the horizontal straightening mechanism 80, and the unloading mechanism 90 work together to achieve automated feeding, straightening, and unloading, with a higher degree of automation.

[0033] This application provides a universal straightening machine for knitting needles 10, including a feeding mechanism 20; a turntable mechanism 40 disposed on the discharge side of the feeding mechanism 20; a carrier 50 disposed on the turntable 41 of the carrier mechanism 92, on which knitting needles 10 are placed; a vertical straightening mechanism 60 and a horizontal straightening mechanism 80 disposed beside the turntable mechanism 40; the vertical straightening mechanism 60 can vertically straighten the knitting needles 10; the horizontal straightening mechanism 80 can horizontally straighten the knitting needles 10; and a discharging mechanism 90 disposed on the discharging side of the turntable mechanism 40, capable of recycling the straightened knitting needles 10. The turntable 41 is driven to rotate by a servo motor. The feeding mechanism 20 is used to load the knitting needles 10 onto the carrier 50; the carrier 50 passes through the vertical straightening mechanism 60 and the horizontal straightening mechanism 80 to complete the vertical and horizontal straightening respectively; after the knitting needles 10 are straightened, the discharging mechanism 90 sorts and recycles the knitting needles 10 on the carrier 50. Therefore, this type of universal straightening machine for knitting needles achieves automatic feeding, straightening, and unloading, has good versatility, a higher degree of automation, and helps to improve straightening efficiency.

[0034] Preferably, the feeding mechanism 20 includes a vibrating feeding trough 21, a first feeding robot 22 disposed on the upper side of the feeding trough 21, a suction device 30 disposed at the discharge end of the feeding trough 21, and a feeding robot disposed on the upper side of the suction device 30; the first feeding robot 22 can move the knitting needles 10 in the feeding trough 21; the suction device 30 picks up the knitting needles 10 in the feeding trough 21; the feeding robot grips the knitting needles 10 on the suction device 30 and transfers the knitting needles 10 to the carrier 50. A carrier tray 92 is placed in the feeding trough 21, and the carrier tray 92 has a large number of knitting needles 10. The feeding trough 21 is mounted on a vibrator. The vibration of the vibrator causes the knitting needles 10 in the feeding trough 21 to move forward to the suction device 30. The first gripper of the first material-pushing robot 22 on the upper side of the feeding trough 21 can also push the knitting needles 10 in the trough onto the suction device 30. The suction device 30 picks up the knitting needles 10 and positions them. The feeding robot grips the knitting needles 10 on the suction device 30 and then loads the knitting needles 10 onto the carrier 50. The carrier 50 clamps the knitting needles 10, and the knitting needles 10 wait for subsequent processing.

[0035] Preferably, the suction device 30 includes a mounting frame 35, a suction head 36 rotatably mounted on the mounting frame 35, a baffle plate 38 disposed beside the suction head 36, and a guide frame 31 disposed beside the mounting frame 35; the guide frame 31 is provided with a guide hole 32; the suction head 36 is provided with a suction groove 37; a connector 33 is provided at the end of the suction head 36; a rotating shaft 34 is eccentrically mounted on the connector 33; the rotating shaft 34 is inserted into the guide hole 32. The suction head 36 is roller-shaped, and the suction groove 37 on the suction head 36 is connected to a vacuum pump, and the suction groove 37 can pick up the knitting needle 10. After the suction head 36 picks up the knitting needle 10, it rotates upward 90° so that the knitting needle 10 is in a horizontal state, so as to facilitate subsequent vertical straightening. The suction head 36 can rotate on the mounting frame 35; the baffle plate 38 and the suction head 36 rise and fall synchronously. When the baffle plate 38 rises, it can block the discharge end of the feeding trough 21 to prevent the knitting needles 10 from falling. The third cylinder 39 drives the suction head 36 and the baffle plate 38 to move up and down. When the suction head 36 and the baffle plate 38 rise, the eccentrically set rotating shaft 34 on the connecting member 33 is inserted into the guide hole 32, which in turn drives the rising suction head 36 to rotate, that is, to adjust the suction trough 37 from a vertical state to a horizontal state, so that the subsequent feeding robot can grasp the knitting needles 10 on the suction device 30 and transfer the knitting needles 10 to the carrier 50. This suction device 30 has a simple structure, accurate suction, and high working efficiency.

[0036] Preferably, the carrier 50 includes a carrier base 51, a clamping block 52 inclinedly disposed on the carrier base 51, and a spring rod 54 connected to the clamping block 52; the spring rod 54 pulls the clamping block 52; a push rod 43 is disposed on the lower side of the turntable 41; the push rod 43 pushes the spring rod 54, and the carrier 50 opens. The clamping block 52 has a stepped opening 53, which can clamp the knitting needle 10. The output end of the fourth cylinder 42 pushes the spring rod 54 through the push rod 43, the carrier 50 opens, and the knitting needle 10 is placed into the material trough; the elastic force of the spring rod 54 causes the clamping block 52 to move downward at an angle, clamping the knitting needle 10 onto the carrier base 51. The stepped opening 53 allows the clamping block 52 to clamp the knitting needle 10 better, preventing the knitting needle 10 from loosening and improving its stability.

[0037] Preferably, the vertical straightening mechanism 60 includes a first straight module 61, a first straightening fixture 62 disposed on the first straight module 61, and a first sensor 63 disposed on the upper or lower side of the first straightening fixture 62. The knitting needle 10 extends into the straightening opening of the first straightening fixture 62, and the first straightening fixture 62 straightens the knitting needle 10. The first sensor 63 is used to detect the degree of vertical bending of the knitting needle 10. During vertical straightening, the knitting needle 10 extends into the straightening opening of the first straightening fixture 62, and the first straight module 61 drives the first straightening fixture 62 to move up and down to achieve vertical straightening.

[0038] The lateral straightening mechanism 80 includes a second linear module 83, a second straightening fixture 81 disposed on the second linear module 83, and a second sensor 82 disposed on the upper or lower side of the second straightening fixture 81. The knitting needle 10 extends into the straightening opening of the second straightening fixture 81, and the second straightening fixture 81 straightens the knitting needle 10. The second sensor 82 is used to detect the vertical bending degree of the knitting needle 10. During vertical straightening, the knitting needle 10 extends into the straightening opening of the second straightening fixture 81, and the second linear module 83 drives the second straightening fixture 81 to move laterally to achieve lateral straightening. The straightening methods of the vertical straightening mechanism 60 and the lateral straightening mechanism 80 are simple and efficient, and the structure is simple. The first linear module 61 and the second linear module 83 are lead screw servo modules; the first sensor 63 and the second sensor 82 are one of a photoelectric sensor, a laser sensor, or a pressure sensor.

[0039] Preferably, a tensioning fixture 44 is also provided on the lower side of the turntable 41; the tensioning fixture 44 can pull the lower end of the clamping block 52. A clamping mechanism is provided below the turntable 41 corresponding to the vertical straightening mechanism 60 and the horizontal straightening mechanism 80. The rotation of the turntable 41 causes the lower end of the clamping block 52 to enter the opening of the tensioning fixture 44. Then, the fifth cylinder 45 drives the tensioning fixture 44 to pull the lower end of the clamping block 52, making the clamping block 52 hold the knitting needle 10 more firmly and preventing it from loosening during straightening. Specifically, a CCD camera 46 is also provided on the upper side of the turntable 41, which can perform quality detection on the knitting needle 10.

[0040] Preferably, a tongue-pulling mechanism 70 is further provided between the vertical straightening mechanism 60 and the horizontal straightening mechanism 80; the tongue-pulling mechanism 70 includes a first cylinder 71, a second cylinder 72 disposed at the output end of the first cylinder 71, and a shifting needle 73 disposed at the output end of the second cylinder 72; the shifting needle 73 can actuate the tongue plate on the knitting needle 10. The tongue-pulling mechanism 70 is used to close the tongue plate on the knitting needle 10, facilitating subsequent straightening. When the tongue-pulling mechanism 70 is working, the shifting needle 73 moves to the tongue plate position, and then the first cylinder 71 and the second cylinder 72 act simultaneously, so that the tongue plate can close on the knitting needle 10. This type of closing tongue plate has a simple structure and high operating efficiency.

[0041] Preferably, the unloading mechanism 90 includes a recycling trough 91, an unloading robot 94 and a second feeding robot 95 disposed on the upper side of the recycling trough 91, a waste bin 96 disposed beside the recycling trough 91, and a pusher plate 98 disposed at the end of the recycling trough 91. The unloading robot 94 can transfer the knitting needles 10 on the carrier 50 to the recycling trough 91 or the waste bin 96; the pusher plate 98 can push the knitting needles 10 in the recycling trough, and the second claw of the second feeding robot 95 can move the knitting needles 10 in the recycling trough 91. A carrier tray 92 is placed in the recycling trough 91, and the knitting needles 10 can be placed on the carrier tray 92. The unloading robot 94 is used to remove the knitting needles 10 from the carrier 50, placing qualified products into the carrier tray 92 and discarding unqualified products into the waste bin 96. During unloading, the corresponding fourth cylinder 42 pushes the spring rod 54, the carrier 50 is opened, the unloading robot 94 picks up the knitting needles 10 on the carrier 50, and then places the qualified knitting needles 10 on the carrier plate 92. The sixth cylinder 97 drives the push plate to push the knitting needles 10 to the preset position. When the number of knitting needles 10 of the same structure reaches the design quantity, the second material-shifting robot 95 shifts the knitting needles 10 of the same structure to the design position. This structure is simple and is conducive to the grouping and storage of knitting needles 10.

[0042] Preferably, a top plate 93 is provided inside the recycling tank 91; a bracket 911 is provided on the inner side of the recycling tank 91; a support is provided on the outer side of the recycling tank 91; the top plate 93 lifts the carrier tray 92 inside the recycling tank 91; the bracket 911 lifts the carrier tray 92 onto the support 912. A seventh cylinder 99 drives the top plate 93 to move up and down. After the carrier tray 92 is fitted with the knitting needle 10, the top plate 93 lifts the carrier tray 92; an eighth cylinder 910 drives the bracket 911 to lift the carrier tray 92 onto the support. This structure allows for large-scale material unloading and higher work efficiency.

[0043] In summary, the key design feature of this utility model is that its feeding mechanism 20 can load the knitting needles 10 onto the carrier plate 92; the knitting needles 10 on the carrier 50 pass through the vertical straightening mechanism 60, the tongue plate mechanism 70, and the horizontal straightening mechanism 80 to complete vertical straightening, tongue plate closure, and horizontal straightening in sequence; after straightening, the unloading mechanism 90 can classify and recycle the knitting needles 10. Therefore, the universal knitting needle straightening machine realizes automatic feeding, straightening, and unloading, and the process is closely connected, with a higher degree of automation, which helps to improve straightening efficiency.

[0044] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A universal straightening machine for knitting needles, characterized in that: It includes a feeding mechanism (20); a turntable mechanism (40) is set on the discharge side of the feeding mechanism (20); a carrier (50) is set on the turntable (41) of the carrier (92) mechanism, and the knitting needles (10) are placed on the carrier (50); The vertical straightening mechanism (60) and the horizontal straightening mechanism (80) are located on the side of the turntable mechanism (40); the vertical straightening mechanism (60) can vertically straighten the knitting needle (10); the horizontal straightening mechanism (80) can horizontally straighten the knitting needle (10); The feeding mechanism (90) is located on the feeding side of the turntable mechanism (40); the feeding mechanism (90) can retract the straightened knitting needles (10).

2. The universal straightening machine for knitting needles according to claim 1, characterized in that: The feeding mechanism (20) includes a vibrating feeding trough (21), a first feeding robot (22) disposed on the upper side of the feeding trough (21), a suction device (30) disposed on the discharge end of the feeding trough (21), and a feeding robot disposed on the upper side of the suction device (30); the first feeding robot (22) can move the knitting needles (10) in the feeding trough (21); the suction device (30) picks up the knitting needles (10) in the feeding trough (21); the feeding robot picks up the knitting needles (10) on the suction device (30) and transfers the knitting needles (10) to the carrier (50).

3. A universal straightening machine for knitting needles according to claim 2, characterized in that: The suction device (30) includes a mounting frame (35), a suction head (36) rotatably mounted on the mounting frame (35), a baffle plate (38) mounted on the side of the suction head (36), and a guide frame (31) mounted on the side of the mounting frame (35); the guide frame (31) is provided with a guide hole (32); the suction head (36) is provided with a suction groove (37); the end of the suction head (36) is provided with a connector (33); the connector (33) is eccentrically mounted with a rotating shaft (34); the rotating shaft (34) is inserted into the guide hole (32).

4. A universal straightening machine for knitting needles according to claim 1, characterized in that: The vehicle (50) includes a vehicle seat (51), a clamp (52) inclinedly disposed on the vehicle seat (51), and a spring rod (54) connected to the clamp (52); the spring rod (54) pulls the clamp (52); a push rod (43) is disposed on the lower side of the turntable (41); the push rod (43) pushes the spring rod (54), and the vehicle (50) opens.

5. A universal straightening machine for knitting needles according to claim 4, characterized in that: The clamp (52) has a stepped opening (53) that can press the knitting needle (10) tightly.

6. A universal straightening machine for knitting needles according to claim 1, characterized in that: The vertical straightening mechanism (60) includes a first straight module (61), a first straightening fixture (62) disposed on the first straight module (61), and a first sensor (63) disposed on the upper or lower side of the first straightening fixture (62); the knitting needle (10) extends into the straightening opening of the first straightening fixture (62), and the first straightening fixture (62) straightens the knitting needle (10); The horizontal straightening mechanism (80) includes a second straight module (83), a second straightening fixture (81) disposed on the second straight module (83), and a second sensor (82) disposed on the upper or lower side of the second straightening fixture (81); the knitting needle (10) extends into the straightening port of the second straightening fixture (81), and the second straightening fixture (81) straightens the knitting needle (10).

7. A universal straightening machine for knitting needles according to claim 4, characterized in that: A tensioning fixture (44) is also provided on the lower side of the turntable (41); the tensioning fixture (44) can pull the spring rod (54).

8. A universal straightening machine for knitting needles according to claim 1, characterized in that: A tongue-pulling mechanism (70) is also provided between the vertical straightening mechanism (60) and the horizontal straightening mechanism (80); the tongue-pulling mechanism (70) includes a first cylinder (71), a second cylinder (72) provided at the output end of the first cylinder (71), and a needle-pulling device (73) provided at the output end of the second cylinder (72); the needle-pulling device (73) can move the tongue plate on the knitting needle (10).

9. A universal straightening machine for knitting needles according to claim 1, characterized in that: The unloading mechanism (90) includes a recycling tank (91), an unloading robot (94) and a second material-dispensing robot (95) located on the upper side of the recycling tank (91), a waste bin (96) located on the side of the recycling tank (91), and a pusher plate (98) located at the end of the recycling tank (91). The unloading robot (94) can transfer the knitting needles (10) on the carrier (50) to the recycling tank (91) or the waste bin (96). The pusher plate (98) can push the knitting needles (10) in the recycling tank, and the second material-dispensing robot (95) can dispensing the knitting needles (10) in the recycling tank (91).

10. A universal straightening machine for knitting needles according to claim 9, characterized in that: The recycling tank (91) is provided with a top plate (93); a bracket (911) is provided on the inner side of the recycling tank (91); a support is provided on the outer side of the recycling tank (91); the top plate (93) lifts up the tray (92) in the recycling tank (91); the bracket (911) lifts the tray (92) onto the support.

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