Raw material conveying device for modified nylon processing

Abstract

The invention relates to the technical field of conveying and feeding, in particular to a raw material conveying device for modified nylon processing, which comprises a frame body, an inclined conveying pipe is arranged on the frame body, a feeding mechanism is arranged in the conveying pipe, the conveying pipe comprises a hard outer pipe and a soft inner pipe, and the surface of the soft inner pipe is fixedly sleeved with a plurality of groups of connecting ring plates. The connecting ring plates are fixedly installed in the hard outer pipe and divide the soft inner pipe into a plurality of sets, and a moving mechanism is arranged on the surface of each set of soft inner pipe and used for driving the soft inner pipe to move in the axial direction of the soft inner pipe. The moving mechanism comprises a sliding groove, a sliding base, a guide rod and an annular plate, the conveying pipe is composed of the hard outer pipe and the soft inner pipe, the moving structure is arranged, the soft inner pipe can be driven to move in a telescopic mode, vibration is generated on the surface of the soft inner pipe, and therefore powder attached to the surface of the soft inner pipe can be shaken off, and cleaning is convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of conveying and feeding, and particularly to a raw material conveying device for modified nylon processing. Background Art

[0002] Currently, in the conveying of raw materials for modified nylon processing, the basic resin powder raw materials need to be conveyed by a plate chain machine. By designing the plate chain to rotate forward and backward, flexible control of loading and unloading is achieved, but there are drawbacks. When feeding, baffles need to be set on both sides of the plate chain, and a sluice gate needs to be set at the upper discharging position to control the feeding. Therefore, in the improvement of the prior art, a screw feeding device is often used to convey the powder raw materials into a stirring and mixing device for processing. In the existing screw feeding device, due to the long pipeline, the middle part of the pipeline is not easy to clean. When the basic resin powder material is conveyed, it is easy to adhere to the inner wall of the pipeline. On the one hand, it causes waste of raw materials; on the other hand, with the accumulation of time, the raw materials adhering to the inner wall of the pipeline come into contact with the water vapor in the air and form a hard crust on the inner wall of the pipeline, affecting the conveying function of the screw feeding device and even causing blockage. For this reason, we propose a raw material conveying device for modified nylon processing. Summary of the Invention

[0003] The purpose of the present invention is to provide a raw material conveying device for modified nylon processing to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A raw material conveying device for modified nylon processing, including a frame body, an inclined feeding pipe is arranged on the frame body, a feeding mechanism is arranged inside the feeding pipe, the feeding pipe includes a hard outer pipe and a soft inner pipe, a plurality of connecting ring plates are fixedly sleeved on the surface of the soft inner pipe, the connecting ring plates are all fixedly installed inside the hard outer pipe, the connecting ring plates divide the soft inner pipe into multiple groups, and a moving mechanism is arranged on the surface of each group of soft inner pipes for driving the soft inner pipe to move in its axial direction; The moving mechanism includes a chute, a sliding seat, a guide rod and an annular plate. An annular plate is sleeved on the middle part of the surface of each group of soft inner pipes, and the chute is arranged on the surface of the hard outer pipe. One end of the sliding seat is fitted and installed inside the chute to form a moving pair, and one end of the sliding seat is connected to the annular plate. The sliding seat is partially located outside the hard outer pipe, and a guide rod is inserted at the center of the sliding seat. The guide rod is parallel to the central axis of the hard outer pipe, the sliding seat can move along the guide rod, and driving mechanisms are arranged at both ends of the guide rod to provide power for the sliding seat.

[0005] Preferably, the driving mechanism includes magnetic blocks, springs and electromagnets. There are two sets of magnetic blocks and electromagnets. The two sets of magnetic blocks are symmetrically installed at both ends of the sliding seat. The two sets of electromagnets are installed on the surface of the hard outer tube, and the two sets of electromagnets are respectively located at the moving ends of the two sets of magnetic blocks. There are two sets of springs sleeved on both ends of the guide rod.

[0006] Preferably, the driving mechanism further includes fixed conductive sheets, moving conductive sheets and circular plates. There are multiple sets of fixed conductive sheets, moving conductive sheets and circular plates, which correspond to the electromagnets one by one. One set of fixed conductive sheets, moving conductive sheets and electromagnets are connected in series. The fixed conductive sheets are fixedly installed on the surface of the hard outer tube. The moving conductive sheets are located on the surface of the circular plate. The circular plate is rotatably connected to the hard outer tube. The contact between the fixed conductive sheet and the moving conductive sheet makes the electromagnet energized.

[0007] Preferably, the positions of the moving conductive sheets on the circular plates on both sides of each soft inner tube are staggered.

[0008] Preferably, a circular rod is fixedly connected to the center of each circular plate. Both ends of the circular rod are rotatably connected to the hard outer tube, and one end of the circular rod is connected to a first motor.

[0009] Preferably, the annular plate is movably sleeved on the surface of the soft inner tube, and a torsion mechanism is arranged on the surface of the annular plate. The fixed end of the torsion mechanism is connected to the soft inner tube. When the moving mechanism operates, the torsion mechanism rotates relative to the annular plate.

[0010] Preferably, the torsion mechanism includes a toothed ring, a lead screw, a ball seat and a gear. The toothed ring is sleeved on the surface of the soft inner tube and fixedly connected thereto. The toothed ring is rotatably connected to the annular plate. A gear meshing with the toothed ring is rotatably connected to the surface of the sliding seat. A lead screw is fixedly connected to the center of the gear. Both ends of the lead screw are rotatably connected to the hard outer tube. The ball seat is sleeved on the surface of the lead screw, and the ball seat is fixedly connected to the sliding seat.

[0011] Preferably, the annular plate is arranged in a double-layer structure, and the toothed ring is fitted and installed in the annular plate to form a circumferential kinematic pair therewith.

[0012] Preferably, a conveying shaft is arranged at the center of the soft inner tube. Both ends of the conveying shaft are rotatably connected to the hard outer tube. A second motor is fixedly installed on one side of the hard outer tube. The output shaft of the second motor is fixedly connected to the conveying shaft. A dragon blade is arranged on the outer surface of the conveying shaft, and the dragon blade does not contact the soft inner tube.

[0013] Preferably, a hopper is fixedly installed on the frame body. The outlet end of the hopper is located at the bottom of the hard outer tube and is communicated therewith. A vertically arranged discharge pipe is fixedly connected through the top of the hard outer tube.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The conveying pipe in the present invention is composed of a rigid outer pipe and a soft inner pipe. By setting a moving structure, the soft inner pipe can be driven to expand and contract, generating vibrations on the surface of the soft inner pipe, thereby shaking off the powder material adhering to the surface of the soft inner pipe for easy cleaning.

[0015] 2. In the present invention, the driving mechanism provides power to the sliding seat, thereby driving the sliding seat, the annular plate, and the soft inner pipe to move, realizing the function of automatic cleaning of the soft inner pipe.

[0016] 3. By setting the torsion mechanism to cooperate with the moving mechanism, when the ball seat moves linearly along with the moving mechanism, the lead screw, gear, etc. can rotate, causing the soft inner pipe to rotate locally and the whole soft inner pipe to undergo torsional deformation, which can further shake off the powder raw material adhering to its surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of a raw material conveying device for modified nylon processing according to the present invention; Figure 2 is a cross-sectional view of the conveying pipe of a raw material conveying device for modified nylon processing according to the present invention; Figure 3 is a raw material conveying device for modified nylon processing according to the present invention Figure 2 a schematic diagram of a partial structure therein; Figure 4 is a raw material conveying device for modified nylon processing according to the present invention Figure 1 an enlarged view of part A therein; Figure 5 is a raw material conveying device for modified nylon processing according to the present invention Figure 3 an enlarged view of part B therein; Figure 6 is a schematic diagram of the structure of the torsion mechanism of a raw material conveying device for modified nylon processing according to the present invention; Figure 7 is a raw material conveying device for modified nylon processing according to the present invention Figure 6 an enlarged view of part C therein.

[0018] Wherein: 1. Frame; 2. Hard outer tube; 3. Soft inner tube; 4. Moving mechanism; 41. Chute; 42. Slide; 43. Guide rod; 44. Ring plate; 5. Driving mechanism; 51. Magnet; 52. Spring; 53. Electromagnet; 54. Fixed conductive sheet; 55. Movable conductive sheet; 56. Round rod; 57. Round plate; 58. First motor; 6. Torsion mechanism; 61. Gear ring; 62. Lead screw; 63. Ball seat; 64. Gear; 7. Hopper; 8. Second motor; 9. Discharge pipe; 10. Screw blade; 11. Conveyor shaft; 12. Connecting ring plate. Detailed implementation

[0019] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations.

[0020] As Figures 1-7 shown below, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Embodiment 1: Please refer to Figures 1-5 , a raw material conveying device for modified nylon processing shown in the figure, including a frame 1, an inclined feeding pipe is arranged on the frame 1, a feeding mechanism is arranged inside the feeding pipe, the feeding pipe includes a hard outer tube 2 and a soft inner tube 3, a plurality of groups of connecting ring plates 12 are fixedly sleeved on the surface of the soft inner tube 3, the connecting ring plates 12 are all fixedly installed inside the hard outer tube 2, the connecting ring plates 12 divide the soft inner tube 3 into multiple groups, and a moving mechanism 4 is arranged on the surface of each group of soft inner tubes 3 for driving the soft inner tube 3 to move in its axial direction; The moving mechanism 4 includes a chute 41, a slide 42, a guide rod 43 and a ring plate 44. A ring plate 44 is sleeved in the middle of the surface of each group of soft inner tubes 3, and the chute 41 is arranged on the surface of the hard outer tube 2. One end of the slide 42 is fitted and installed inside the chute 41 to form a moving pair, and one end of the slide 42 is connected to the ring plate 44. A part of the slide 42 is located outside the hard outer tube 2, and a guide rod 43 is inserted at the center of the slide 42. The guide rod 43 is parallel to the central axis of the hard outer tube 2. The slide 42 can move along the guide rod 43, and driving mechanisms 5 are arranged at both ends of the guide rod 43 to provide power for the slide 42.

[0022] Since the middle part of the inner wall of the conveying pipe is not conducive to cleaning, the conveying pipe in this embodiment is composed of a rigid outer pipe 2 and a flexible inner pipe 3. By setting a moving structure, the flexible inner pipe 3 can be driven to expand and contract, causing vibration on the surface of the flexible inner pipe 3, so as to shake off the powder material adhering to the surface of the flexible inner pipe 3, facilitating cleaning.

[0023] In this embodiment, the driving mechanism 5 provides power to the sliding seat 42, thereby driving the sliding seat 42, the annular plate 44 and the flexible inner pipe 3 to move, realizing the function of automatic cleaning of the flexible inner pipe 3.

[0024] Furthermore, the driving mechanism 5 includes magnetic blocks 51, springs 52 and electromagnets 53. There are two sets of magnetic blocks 51 and electromagnets 53. The two sets of magnetic blocks 51 are symmetrically installed at both ends of the sliding seat 42. The two sets of electromagnets 53 are installed on the surface of the rigid outer pipe 2, and the two sets of electromagnets 53 are respectively located at the moving ends of the two sets of magnetic blocks 51. There are two sets of springs 52 sleeved on both ends of the guide rod 43.

[0025] Furthermore, the driving mechanism 5 further includes fixed conductive sheets 54, moving conductive sheets 55 and circular plates 57. There are multiple sets of fixed conductive sheets 54, moving conductive sheets 55 and circular plates 57, which correspond to the electromagnets 53 one by one. One set of fixed conductive sheet 54, moving conductive sheet 55 and electromagnet 53 are connected in series. The fixed conductive sheet 54 is fixedly installed on the surface of the rigid outer pipe 2. The moving conductive sheet 55 is located on the surface of the circular plate 57. The circular plate 57 is rotatably connected to the rigid outer pipe 2. The contact between the fixed conductive sheet 54 and the moving conductive sheet 55 makes the electromagnet 53 energized.

[0026] Furthermore, the positions of the moving conductive sheets 55 on the circular plates 57 on both sides of each flexible inner pipe 3 are staggered.

[0027] Furthermore, circular rods 56 are fixedly connected to the centers of the circular plates 57. Both ends of the circular rods 56 are rotatably connected to the rigid outer pipe 2, and one end of the circular rod 56 is connected to a first motor 58.

[0028] In this embodiment, the first motor 58 is driven to rotate, thereby driving the round rod 56, the circular plate 57 and the moving conductive sheet 55 to rotate. Since the moving conductive sheets 55 on the two groups of circular plates 57 are arranged alternately, the two groups of moving conductive sheets 55 are in contact with the corresponding fixed conductive sheets 54 at staggered intervals, and the two groups of electromagnets 53 are energized at intervals, so that the magnetic blocks 51 on both sides of the slide 42 can be adsorbed at intervals, so that the slide 42 can reciprocate along the slide groove 41, thereby driving the soft inner tube 3 to reciprocate and stretch, and shaking off the powder raw material attached to its surface. In addition, by arranging the spring 52, when the slide 42 moves, the spring 52 will undergo elastic deformation. When the conveying pipe does not need to be cleaned, the first motor 58 can be used to drive the round rod 56 and the circular plate 57 to rotate, so that when the two groups of moving conductive sheets 55 are not in contact with the fixed conductive sheet 54, the electromagnets 53 are not energized, the spring 52 is restored, and the slide 42 can be moved to the initial position.

[0029] Furthermore, a conveying shaft 11 is provided at the center of the soft inner tube 3, and both ends of the conveying shaft 11 are rotatably connected to the hard outer tube 2, and a second motor 8 is fixedly installed on one side of the hard outer tube 2, and the output shaft of the second motor 8 is fixedly connected to the conveying shaft 11, and a Jiaolong blade 10 is provided on the outer surface of the conveying shaft 11, and the Jiaolong blade 10 does not contact the soft inner tube 3. A hopper 7 is fixedly installed on the frame 1, and the outlet end of the hopper 7 is located at the bottom of the hard outer tube 2 and is connected thereto, and a vertically arranged discharge pipe 9 is fixedly connected to the top of the hard outer tube 2, and the hopper 7 is used to hold the powder material to be transported. By driving the second motor 8, the conveying shaft 11 and the Jiaolong blade 10 are driven to rotate, and the Jiaolong blade 10 can transport the powder material located at a low place to a high place and discharge it from the discharge pipe 9.

[0030] In actual use, the switch interfaces of the first motor 58 and the second motor 8 are connected to the external power supply through wires, and a battery assembly is set on the frame 1 or any other part to provide corresponding power for the first motor 58 and the second motor 8. At the same time, a button can be set on the outer surface of the conveying tube, and pressing the button can control the switch of the first motor 58 or the second motor 8. The circuits involved and the related driver programs are all existing technologies and will not be repeated here.

[0031] Example 2: Please refer to Figures 6-7 On the basis of the first embodiment, the annular plate 44 is movably sleeved on the surface of the soft inner tube 3, and a torsion mechanism 6 is provided on the surface of the annular plate 44, and the fixed end of the torsion mechanism 6 is connected to the soft inner tube 3. When the moving mechanism 4 is running, the torsion mechanism 6 and the annular plate 44 rotate relative to each other.

[0032] Further, the torsion mechanism 6 includes a gear ring 61, a lead screw 62, a ball seat 63, and a gear 64. The gear ring 61 is sleeved on the surface of the soft inner tube 3 and fixedly connected thereto. The gear ring 61 is rotatably connected to the annular plate 44. A gear 64 meshing with the gear ring 61 is rotatably connected to the surface of the sliding seat 42. A lead screw 62 is fixedly connected to the center of the gear 64. Both ends of the lead screw 62 are rotatably connected to the rigid outer tube 2. The ball seat 63 is sleeved on the surface of the lead screw 62, and the ball seat 63 is fixedly connected to the sliding seat 42.

[0033] Further, the annular plate 44 is provided with a double-layer structure, and the gear ring 61 is fitted and installed in the annular plate 44 and forms a circumferential kinematic pair therewith.

[0034] In this embodiment, when the moving mechanism 4 operates, the sliding seat 42 moves, and the ball seat 63 provided on the sliding seat 42 also moves accordingly. As a result, the lead screw 62 rotates, driving the gear 64, the gear ring 61, and the soft inner tube 3 to rotate, so that the soft inner tube 3 undergoes a torsional deformation motion, which can further shake off the powder raw materials adhering to its surface.

[0035] It should be noted that: The ball screw is an existing transmission element that can convert rotational motion into linear motion or vice versa. In this embodiment, the ball screw is used to achieve the function of converting linear motion into rotational motion. Among them, in the actual use process, the linear motion of the ball seat 63 is controlled by the moving mechanism 4. When the ball seat 63 moves linearly following the moving mechanism 4, the lead screw 62, the gear 64, etc. can be made to perform rotational motion. The working principle of the ball screw is conventional prior art and will not be elaborated here.

[0036] In use, the hopper 7 is used to hold the powder material to be conveyed. Then, by driving the second motor 8, the conveying shaft 11 and the auger blade 10 are driven to rotate, and the auger blade 10 can convey the powder material at a lower position to a higher position and discharge it from the discharge pipe 9.

[0037] When internal cleaning is required, the moving mechanism 4 operates to drive the first motor 58 to rotate, driving the round rod 56, the round plate 57, and the moving conductive sheet 55 to rotate. Since the moving conductive sheets 55 on the two groups of round plates 57 are staggered, the moving conductive sheets 55 of the two groups are alternately spaced and contact the corresponding fixed conductive sheets 54. Thus, the two groups of electromagnets 53 are alternately energized, and can alternately adsorb the magnetic blocks 51 on both sides of the sliding seat 42, enabling the sliding seat 42 to reciprocate along the sliding groove 41, thereby driving the soft inner tube 3 to reciprocally expand and contract, shaking off the powder raw materials adhering to its surface. When the sliding seat 42 moves, the spring 52 will undergo elastic deformation, and the sliding seat 42 will move. The ball seat 63 provided on the sliding seat 42 also moves accordingly, and the lead screw 62 will thus rotate, driving the gear 64, the gear ring 61, and the soft inner tube 3 to rotate, so that the soft inner tube 3 undergoes torsional deformation movement, which can further shake off the powder raw materials adhering to its surface; when the conveying pipe does not need to be cleaned, the first motor 58 can be used to drive the round rod 56 and the round plate 57 to rotate. When the two groups of moving conductive sheets 55 do not contact the fixed conductive sheets 54, the electromagnets 53 are not energized, and the spring 52 is restored, and the sliding seat 42 can be moved to the initial position to perform the subsequent normal feeding process.

[0038] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw material conveying device for modified nylon processing, comprising a frame body (1), an inclined feeding pipe is arranged on the frame body (1), and a feeding mechanism is arranged inside the feeding pipe, and it is characterized in that: The material conveying pipe includes a rigid outer pipe (2) and a flexible inner pipe (3). A plurality of connecting ring plates (12) are fixedly sleeved on the surface of the flexible inner pipe (3). The connecting ring plates (12) are all fixedly installed inside the rigid outer pipe (2). The connecting ring plates (12) divide the flexible inner pipe (3) into multiple groups. A moving mechanism (4) is arranged on the surface of each group of the flexible inner pipes (3) for driving the flexible inner pipe (3) to move in its axial direction. The moving mechanism (4) includes a chute (41), a sliding seat (42), a guide rod (43) and an annular plate (44). An annular plate (44) is sleeved on the middle part of the surface of each group of the flexible inner pipes (3). The chute (41) is arranged on the surface of the rigid outer pipe (2). One end of the sliding seat (42) is fitted and installed inside the chute (41) to form a moving pair, and one end of the sliding seat (42) is connected to the annular plate (44). A part of the sliding seat (42) is located outside the rigid outer pipe (2). A guide rod (43) is inserted at the center of the sliding seat (42). The guide rod (43) is parallel to the central axis of the rigid outer pipe (2). The sliding seat (42) can move along the guide rod (43). Driving mechanisms (5) are arranged at both ends of the guide rod (43) to provide power for the sliding seat (42).

2. The raw material conveying device for modified nylon processing according to claim 1, characterized in that: The driving mechanism (5) includes magnetic blocks (51), springs (52) and electromagnets (53). Two sets of magnetic blocks (51) and two sets of electromagnets (53) are provided. The two sets of magnetic blocks (51) are symmetrically installed at both ends of the sliding seat (42). The two sets of electromagnets (53) are installed on the surface of the rigid outer pipe (2), and the two sets of electromagnets (53) are respectively located at the moving ends of the two sets of magnetic blocks (51). Two sets of springs (52) are provided and sleeved on both ends of the guide rod (43).

3. The raw material conveying device for modified nylon processing according to claim 2, characterized in that: The driving mechanism (5) further includes fixed conductive sheets (54), moving conductive sheets (55) and circular plates (57). A plurality of fixed conductive sheets (54), moving conductive sheets (55) and circular plates (57) are provided and correspond to the electromagnets (53) one by one. One set of the fixed conductive sheet (54), the moving conductive sheet (55) and the electromagnet (53) are connected in series. The fixed conductive sheet (54) is fixedly installed on the surface of the rigid outer pipe (2). The moving conductive sheet (55) is located on the surface of the circular plate (57). The circular plate (57) is rotatably connected to the rigid outer pipe (2). The contact between the fixed conductive sheet (54) and the moving conductive sheet (55) makes the electromagnet (53) energized.

4. The raw material conveying device for modified nylon processing according to claim 3, characterized in that: The positions of the moving conductive sheets (55) on the circular plates (57) on both sides of each group of the flexible inner pipes (3) are staggered.

5. The raw material conveying device for modified nylon processing according to claim 4, wherein: A circular rod (56) is fixedly connected to the center of each circular plate (57). Both ends of the circular rod (56) are rotatably connected to the rigid outer pipe (2), and a first motor (58) is connected to one end of the circular rod (56).

6. The raw material conveying device for modified nylon processing according to claim 1, wherein: The annular plate (44) is movably sleeved on the surface of the soft inner tube (3), and a torsion mechanism (6) is arranged on the surface of the annular plate (44). The fixed end of the torsion mechanism (6) is connected to the soft inner tube (3). When the moving mechanism (4) operates, the torsion mechanism (6) rotates relative to the annular plate (44).

7. The raw material conveying device for modified nylon processing according to claim 6, characterized in that: The torsion mechanism (6) includes a gear ring (61), a lead screw (62), a ball seat (63) and a gear (64). The gear ring (61) is sleeved on the surface of the soft inner tube (3) and fixedly connected thereto. The gear ring (61) is rotatably connected to the annular plate (44). A gear (64) meshing with the gear ring (61) is rotatably connected to the surface of the sliding seat (42). A lead screw (62) is fixedly connected to the center of the gear (64). The two ends of the lead screw (62) are rotatably connected to the hard outer tube (2). The ball seat (63) is sleeved on the surface of the lead screw (62), and the ball seat (63) is fixedly connected to the sliding seat (42).

8. The raw material conveying device for modified nylon processing according to claim 7, wherein: The annular plate (44) is arranged in a double-layer structure, and the gear ring (61) is fitted and installed in the annular plate (44) to form a circumferential kinematic pair therewith.

9. The raw material conveying device for modified nylon processing according to claim 1, wherein: A conveying shaft (11) is arranged at the center of the soft inner tube (3). The two ends of the conveying shaft (11) are rotatably connected to the hard outer tube (2). A second motor (8) is fixedly installed on one side of the hard outer tube (2). The output shaft of the second motor (8) is fixedly connected to the conveying shaft (11). A dragon blade (10) is arranged on the outer surface of the conveying shaft (11), and the dragon blade (10) does not contact the soft inner tube (3).

10. The raw material conveying device for processing modified nylon according to claim 1, characterized in that: A hopper (7) is fixedly installed on the frame body (1). The outlet end of the hopper (7) is located at the bottom of the hard outer tube (2) and communicates with the hard outer tube (2). A vertically arranged discharge pipe (9) is fixedly connected through the top of the hard outer tube (2).

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