CN112962147A

CN112962147A - Mountain region ramie feeds numb device

Info

Publication number: CN112962147A
Application number: CN202110151185.6A
Authority: CN
Inventors: 颜波; 吕江南; 马兰; 刘佳杰; 向伟; 文庆华
Original assignee: Institute of Bast Fiber Crops of CAAS
Current assignee: Institute of Bast Fiber Crops of CAAS
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-06-15
Anticipated expiration: 2041-02-03
Also published as: CN112962147B

Abstract

The invention discloses a mountain ramie feeding device which comprises a rack and a ramie feeding device arranged on the rack, wherein the ramie feeding device comprises a feeding hopper, a clamping and conveying double-roller, a first rotary driving component for driving the clamping and conveying double-roller to rotate and feed, and a clutch mechanism for controlling the power clutch between the clamping and conveying double-roller and the first rotary driving component, the clamping and conveying double-roller comprises a clamping and conveying roller which is meshed with each other up and down, and the output end of the feeding hopper is connected with the input end of the clamping and conveying double-roller. When the ramie feeding device is used for feeding ramie, the first rotary driving piece drives the clamping conveying pair rollers to feed in a rotary mode, ramie stalks are fed into the ramie peeling device, then the clamping conveying rollers are controlled by the clutch mechanism to stop rotating, and the ramie is clamped by the clamping conveying pair rollers, so that both hands of an operator are liberated, and the labor intensity of the worker is reduced. After the decorticating of the decorticating device is finished, the operator can reversely draw out the hemp stalk by releasing the brake of the brake mechanism to control the clamping conveying roller.

Description

Mountain region ramie feeds numb device

Technical Field

The invention belongs to the technical field of ramie processing, and particularly relates to a mountain ramie feeding device.

Background

Ramie is a special product in China called Chinese grass, and the planting area and the yield of the ramie in China currently account for more than 90 percent of the world. The ramie fiber has the characteristics of good flexibility, large fiber strength, stiff and smooth fabric, good luster, quick moisture absorption and dispersion and the like, is a typical natural plant fiber raw material, and the textile is popular with domestic and foreign consumers.

From the last 90 s to the present, small mountain ramie decorticating devices are continuously developed in China, and the demand of partial individual farmers for ramie decorticating and processing is met. The reverse-pulling decorticator is the most common one. Specifically, the reverse-pulling ramie decorticating machine mainly relies on the hand to pull the ramie to carry out two ends and decorticate in turn, and the ramie decorticating quality basically meets the requirements of textile enterprises, but the ramie feeding device in the ramie decorticating machine still needs the hand to continuously pull the ramie end when in use, so that the labor intensity is high, the working efficiency is lower, and potential safety hazards exist.

Disclosure of Invention

The invention aims to provide a mountain ramie feeding device, so that the problems are solved.

In order to achieve the purpose, the invention discloses a mountain ramie feeding device which comprises a rack and a ramie feeding device arranged on the rack, wherein the ramie feeding device comprises a feeding hopper, a clamping and conveying double-roller, a first rotary driving assembly used for driving the clamping and conveying double-roller to rotate and feed, and a clutch mechanism used for controlling the power clutch between the clamping and conveying double-roller and the first rotary driving assembly, the clamping and conveying double-roller comprises a clamping and conveying roller which is meshed with each other up and down, and the output end of the feeding hopper is connected with the input end of the clamping and conveying double-roller.

Further, clutching mechanism includes that separation and reunion cover deciding, separation and reunion move cover, mount pad and be used for the drive separation and reunion moves the cover reciprocal drive spare of relative separation and reunion cover deciding reciprocating motion, the separation and reunion cover deciding is installed on the mount pad, separation and reunion cover deciding and reunion move the cover and all cup joint in the drive shaft of centre gripping conveying roller, first rotary driving subassembly with the mount pad transmission is connected, separation and reunion move the cover with the axial of drive shaft is the key cooperation slip joint, separation and reunion cover deciding and separation and reunion move and sheathe in and be provided with arch and the recess that is used for mutual joint.

Further, the reciprocating driving piece comprises a clutch shifting block, a clutch spring, a clutch pull wire, a pull wire outer sleeve and a clutch pedal, the clutch pull wire penetrates through the pull wire outer sleeve, an annular groove is formed in the circumferential direction of the outer side of the clutch moving sleeve, one end of the clutch shifting block is in sliding connection with the circumferential direction of the annular groove, the other end of the clutch shifting block is connected with one end of the clutch pull wire, two ends of the pull wire outer sleeve are fixedly connected to the rack, one end of the clutch spring abuts against the clutch shifting block, the other end of the clutch spring abuts against the pull wire outer sleeve, and the other end of the clutch pull wire is connected with the clutch pedal.

Furthermore, the clutch shifting block comprises two clutch semi-rings, two ends of each clutch semi-ring are connected to form a circular ring structure, and the circular ring structure is sleeved in the annular groove.

Further, the first rotary driving assembly comprises a spiral spring, the spiral spring is sleeved on the driving shaft of the clamping conveying roller, the inner end of the spiral spring is connected with the driving shaft, and the outer end of the spiral spring is connected with the frame.

Furthermore, first rotary driving subassembly still includes feeding footboard, footboard connecting rod, footboard bent axle and driving pulley, the mount pad is driven pulley, the separation and reunion cover certainly with the coaxial rigid coupling of driven pulley, the one end of footboard connecting rod with the feeding footboard is articulated, the other end with the one end of footboard bent axle is articulated, the other end of footboard bent axle with driving pulley coaxial coupling, driving pulley through a belt with driven pulley transmission.

Furthermore, the surface circumference of centre gripping conveying roller is provided with the ripple tooth, the ripple tooth is along the circumference equipartition of centre gripping conveying roller.

Furthermore, the ramie feeding device also comprises an angle adjusting mechanism, the feeding hopper adjusting mechanism comprises an angle adjusting screw rod and an angle adjusting nut, the upper end of the angle adjusting screw rod is hinged with the input end of the feeding hopper, and the lower end of the angle adjusting screw rod is fixedly connected to the rack through the angle adjusting nut.

Furthermore, the ramie feeding device also comprises a displacement adjusting mechanism used for adjusting the displacement of the feeding hopper along the conveying direction, the feeding hopper is provided with a strip hole along the conveying direction, the displacement adjusting mechanism comprises a displacement adjusting screw rod and a displacement adjusting nut, the displacement adjusting screw rod is in sliding connection with the strip hole, and the displacement adjusting screw rod is fixedly connected with the feeding hopper through the displacement adjusting nut.

Further, centre gripping conveying roller bearing frame is all installed at the both ends of centre gripping conveying roller, and the both sides of the centre gripping conveying roller bearing frame of relative upper and lower setting of arbitrary side all with a connecting rod sliding connection, the connecting rod with the frame sliding connection has cup jointed the extension spring on this connecting rod, the both ends of extension spring are supported respectively and are leaned on last downside on the centre gripping conveying roller bearing frame.

Compared with the prior art, the invention has the advantages that:

when the ramie feeding device is used for feeding ramie, the first rotary driving piece drives the clamping conveying pair rollers to feed the ramie in a rotary mode, the ramie stalks are fed into the ramie peeling device, and then the clamping conveying rollers are controlled by the first rotary driving piece to stop rotating, so that the ramie is clamped by the clamping conveying pair rollers, the hands of an operator are liberated, and the labor intensity of the worker is reduced. And after the decorticating of the decorticating device is finished, the power separation of the clamping conveying roller is realized through the clutch structure, and an operator can reversely draw out the hemp stalk. Furthermore, the spiral spring releases torsion to assist reverse pulling when the hemp stalk is drawn out through the force accumulation effect of the spiral spring during feeding, and the labor intensity of an operator is reduced.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a first isometric illustration of a feeding device as disclosed in a preferred embodiment of the present invention;

FIG. 2 is a schematic front view of the hemp feeding device disclosed in the preferred embodiment of the present invention;

FIG. 3 is a second axial view of the feeding device (hidden frame) disclosed in the preferred embodiment of the present invention;

FIG. 4 is a schematic axial view of a braking mechanism of the mountain ramie feeding device according to the preferred embodiment of the invention;

FIG. 5 is a schematic axial view of a spiral spring of a mountain ramie feeding device according to the preferred embodiment of the present invention;

FIG. 6 is a schematic axial view of a mountain ramie feeding device disclosed in the preferred embodiment of the invention;

FIG. 7 is an enlarged schematic view at A of FIG. 6;

FIG. 8 is a schematic front view of a ramie decorticator equipped with a mountain ramie feeding device according to the preferred embodiment of the present invention (with hidden road wheels and partial roller covers);

FIG. 9 is an enlarged schematic view at B of FIG. 8;

FIG. 10 is a schematic axial view of the drum of the decorticator equipped with the mountain ramie feeding device according to the preferred embodiment of the present invention;

FIG. 11 is a schematic front view of a ramie peeling concave of the ramie peeling machine equipped with a mountain ramie feeding device according to the preferred embodiment of the invention.

Illustration of the drawings:

1. a frame; 2. a feeding hopper; 3. a clamping conveying pair roller; 4. clamping a conveying roller; 5. a clutch fixed sleeve; 6. a clutch movable sleeve; 7. a driven pulley; 8. a drive shaft; 9. a volute spiral spring; 10. a clutch pedal; 11. a feed pedal; 12. a pedal connecting rod; 13. a pedal crankshaft; 14. a driving pulley; 15. a crankshaft bearing seat; 16. a belt; 17. a corrugated tooth; 18. an angle adjusting screw; 19. an angle adjusting nut; 20. an angle support plate; 21. a displacement adjusting screw; 22. a displacement adjusting nut; 23. a strip hole; 24. clamping a conveying roller bearing seat; 25. a connecting rod; 26. a tension spring; 27. a protrusion; 28. a groove; 30. a decorticating roller; 31. decorticating the hemp concave plate; 32. a drum shaft; 33. a slide carriage; 34. a gap adjusting screw rod; 35. a gap adjusting support plate; 36. a distance nut; 37. a concave lower support rod; 38. a support rod on the concave plate; 39. a U-shaped fork frame; 40. a U-shaped groove; 41. a concave plate buffer spring; 42. beating a plate; 43. a beating plate supporting plate; 44. punching a board slot; 45. a roller side plate; 46. an anti-winding sleeve; 47. a roller bearing seat; 48. a traveling wheel; 49. a support disc; 50. a U-shaped bolt; 51. a lifting adjusting screw; 52. a lifting adjusting nut; 53. supporting the cushion block; 54. a drum cover; 55. an arc-shaped hole; 56. a gasoline engine; 57. a clutch shifting block; 58. a clutch spring; 59. a pull wire is clutched; 60. a pull wire outer sleeve; 61. an annular groove; 62. and a clutch semi-ring.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1-5, the invention firstly discloses a mountain ramie feeding device, which comprises a frame 1 and a ramie feeding device arranged on the frame 1, wherein the ramie feeding device comprises a feeding hopper 2, a clamping and conveying pair roller 3 and a clutch mechanism for controlling the power clutch between the clamping and conveying pair roller 3 and a first rotary driving component, the clamping and conveying pair roller 3 comprises a clamping and conveying roller 4 which is meshed with each other up and down, and the output end of the feeding hopper 2 is connected with the input end of the clamping and conveying pair roller 3. Wherein, when the ramie is fed, the rotary drive subassembly drive centre gripping is carried pair roller 3 rotary feed, peels the ramie device with the ramie stalk feeding to carry pair roller 3 to rotate through the rotatory drive centre gripping of first rotary drive subassembly, and then carry the ramie to feeding hopper 2, simultaneously, when the braking of first rotary drive subassembly, can control centre gripping conveying roller 4 stall, thereby carry pair roller 3 centre gripping ramie through the centre gripping, thereby liberation operator's both hands, reduction workman's intensity of labour. And after the ramie decorticating device finishes decorticating, the power separation of the clamping conveying roller 4 and the first rotary driving component is realized through the clutch mechanism, so that an operator can easily and reversely draw out the ramie fibers (the required counter pull force is smaller at the moment).

In this embodiment, the clutch mechanism includes a clutch fixed sleeve 5, a clutch movable sleeve 6, a mounting seat and a reciprocating driving member for driving the clutch movable sleeve 6 to reciprocate relative to the clutch fixed sleeve 5, the clutch fixed sleeve 5 is mounted on the mounting seat, the clutch fixed sleeve 5 and the clutch movable sleeve 6 are both sleeved on a driving shaft 8 for clamping the conveying roller 4, the first rotary driving component is in transmission connection with the mounting seat, specifically, the first rotary driving component is in transmission connection with the mounting seat, and may be in chain transmission, belt transmission or other transmission modes, the axial directions of the clutch movable sleeve 6 and the driving shaft 8 are in key fit sliding connection, the clutch fixed sleeve 5 and the clutch movable sleeve 6 are provided with a protrusion 27 and a groove 28 for mutual clamping connection, the reciprocating driving member includes a clutch dial 57, a clutch spring 58, a clutch pull wire 59, an outer sleeve 60 and a clutch pedal 10, the clutch pull wire 59 passes through the pull wire outer sleeve 60, the outer circumference of the clutch movable sleeve 6 is provided with an annular groove 61, one end of the clutch shifting block 57 is circumferentially connected with the annular groove 61 in a sliding manner, the other end of the clutch shifting block is connected with one end of the clutch pull wire 59, two ends of the pull wire outer sleeve 60 are fixedly connected to the frame 1, one end of the clutch spring 58 abuts against the clutch shifting block 57, the other end of the clutch spring 58 abuts against the pull wire outer sleeve 60, the other end of the clutch pull wire 59 is connected with the clutch pedal 10, when ramie is required to be fed into the feeding hopper 2, the clutch movable sleeve 6 and the protrusion 27 and the groove 28 on the clutch fixed sleeve 5 are meshed with each other under the driving of the clutch spring 58, so that the torque is transmitted to the clutch mechanism through the mounting seat under the driving of the first rotary driving assembly, the torque is transmitted to the driving shaft 8, the clamping conveying roller 4 on the lower side is driven by the driving shaft 8 to. When ramie fibers need to be reversely drawn out after ramie peeling is finished, the clutch pedal 10 is trampled, the clutch pull wire 59 exerts pull force on the clutch shifting block 57 backwards, the clutch movable sleeve 6 is driven to be separated from the clutch fixed sleeve 5, at the moment, the mounting seat is in an idle load state, and the clamping conveying roller 4 on the lower side moves anticlockwise under the action of reverse pull force, so that smooth drawing is facilitated.

In this embodiment, in order to facilitate the clutch dial 57 to be clamped into the annular groove 61, the clutch dial 57 adopts a split design mode, including two clutch half rings 62, two ends of the clutch half rings 62 are connected to form a ring structure, and the ring structure is sleeved in the annular groove 61, so that the ring direction of the clutch moving sleeve 6 can be uniformly applied with force through the clutch dial 57.

In this embodiment, first rotary driving subassembly includes a volute spiral spring 9, volute spiral spring 9 cup joints on the drive shaft 8 of centre gripping conveying roller 4, the tip and the drive shaft 8 of volute spiral spring 9 inboard are connected, the tip and the frame 1 in the outside are connected, when centre gripping conveying roller 4 clockwise motion, hold up power through volute spiral spring 9, play the effect of the balanced flax pulling force of shelling when shelling the ramie device on the one hand, on the other hand makes things convenient for the operator when reverse take out the ramie fibre, realize releasing torsion and assist and pull, further reduce operator's intensity of labour.

In this embodiment, the first rotary driving assembly includes a feeding pedal 11, a pedal connecting rod 12, a pedal crankshaft 13 and a driving pulley 14, the pedal crankshaft 13 is pivoted on a crankshaft bearing seat 15 installed on the frame 1, one end of the pedal connecting rod 12 is hinged to the feeding pedal 11, the other end is hinged to one end of the pedal crankshaft 13, the other end of the pedal crankshaft 13 is coaxially connected with the driving pulley 14, the driving pulley 14 is driven by a belt 16 and the driven pulley 7, and the feeding pedal 11 is stepped to control the driving pulley 14 to drive the driven pulley 7 to rotate, so as to realize feeding and conveying of ramie.

In this embodiment, the surperficial circumference of centre gripping conveying roller 4 is provided with ripple tooth 17, and ripple tooth 17 has increased clamping-force through unevenness's clamping face on the one hand along the circumference equipartition of centre gripping conveying roller 4 through the meshing of ripple tooth 17, and on the other hand, the arc structure on ripple tooth 17 surface guarantees only to roll the ramie and not cut off destruction internal fiber.

In this embodiment, feed numb device still includes an angle adjustment mechanism, and angle adjustment mechanism includes angle adjusting screw 18 and angle adjusting nut 19, and the horizontal rigid coupling in frame 1 both sides has angle backup pad 20, and angle adjusting screw 18's upper end is articulated with the input end of feeding hopper 2, and the lower extreme passes through angle adjusting nut 19 rigid coupling on the angle backup pad 20 of frame 1 to through the lift of angle adjusting nut 19 control feeding hopper 2 input, and then with angle modulation to suitable operator.

In this embodiment, the hemp feeding device further includes a displacement adjusting mechanism for adjusting the displacement of the feeding hopper 2 along the conveying direction, the feeding hopper 2 is provided with a strip hole 23 along the conveying direction, the displacement adjusting mechanism includes a displacement adjusting screw 21 and a displacement adjusting nut 22, the displacement adjusting screw 21 is in sliding connection with the strip hole 23, the displacement adjusting screw 21 is fixedly connected with the feeding hopper 2 through the displacement adjusting nut 22, when the position of the input end of the conveying pair roller 3 needs to be adjusted and clamped, the displacement adjusting nut 22 is unscrewed, at this time, the feeding hopper 2 is in a free sliding adjustable state through the strip hole 23 and the displacement adjusting screw 21, after the proper position is adjusted, the displacement adjusting nut 22 is screwed, so that the feeding hopper 2 is fixed.

In this embodiment, centre gripping conveying roller bearing frame 24 is all installed at centre gripping conveying roller 4's both ends, centre gripping conveying roller bearing frame 24's the relative centre gripping conveying roller bearing frame 24's of upper and lower both sides of arbitrary side both sides all with a connecting rod 25 sliding connection, connecting rod 25 can be the bolt nut subassembly, head and the nut through the bolt are spacing to centre gripping conveying roller bearing frame 24 of the upper and lower side, connecting rod 25 and frame 1 sliding connection, extension spring 26 has been cup jointed on this connecting rod 25, extension spring 26 is tensile state, extension spring 26's both ends are supported respectively and are leaned on last downside centre gripping conveying roller bearing frame 24, thereby ensure that certain elasticity floats between the centre gripping conveying roller 4 of the upper and lower side, when the ramie feeding volume is great, the clearance of centre gripping conveying roller 4 of the upper and lower.

Then, as shown in fig. 6-11, the output end of the feeding device is provided with a decorticating device, the decorticating device comprises a second rotary driving component, a decorticating roller 30 and a decorticating concave plate 31, a roller cover 54 is arranged outside the decorticating roller 30 to prevent the separated bones and shells of the decorticating process from splashing, the decorticating concave plate 31 is arranged close to the decorticating roller 30 from the lower part to make the decorticated fiber far away from the decorticating roller 30 due to self weight and reduce the possibility of the decorticating, the second rotary driving component is a gasoline engine 56, the gasoline engine 56 and the decorticating roller 30 are in belt transmission, the upper end of the decorticating concave plate 31 horizontally extends towards the output end of the clamping conveying roller 3 to realize the butt joint, and a slide carriage 33 is obliquely arranged on the lower side of the decorticating roller 30 to facilitate the separated bones and shells of the decorticated hemp.

In this embodiment, the device further comprises a gap adjusting mechanism for adjusting the gap between the concave ramie peeling plate 31 and the ramie peeling roller 30, the gap adjusting mechanism comprises a gap adjusting screw 34, a gap adjusting support plate 35, a distance nut 36, a concave lower support rod 37, a concave upper support rod 38 and a U-shaped fork 39, the ramie peeling roller 30 comprises a beating plate 42 and a beating plate support plate 43, the beating plate support plate 43 is coaxially and fixedly connected with two ends of the roller shaft 32, the beating plate 42 is fixedly inserted into a beating plate slot 44 circumferentially arranged on the beating plate support plate 43, the gap adjusting support plate 35 is welded on the frame 1, the concave upper support rod 38 is fixedly connected with the lower side surface of the upper end of the concave ramie peeling plate 31, the concave upper support rod 38 is pivotally connected with the frame 1, the concave lower support rod 37 is fixedly connected with the lower side surface of the lower end of the concave ramie peeling plate 31, the gap adjusting screw 34 is fixedly connected with the U-shaped fork 39, and the concave lower support rod 37 is pivotally connected with a U-shaped groove 40, thereby play the effect of lifting concave bottom bar 37, transfer the clearance screw 34 through distance nut 36 rigid coupling on transferring the clearance backup pad 35, during the use, through rotatory distance nut 36, the lower extreme of shelling the numb concave 31 both can be swung around the backup pad 38 on the concave, and then continuous adjustment shells the distance between numb concave 31 and the board 42, is convenient for adjust to the best clearance of shelling the numb, also can adapt to the numb pole of different thickness.

In this embodiment, a notch board buffer spring 41 has been cup jointed on the clearance screw 34, notch board buffer spring 41's one end is leaned on U type crotch 39, the other end leans on frame 1, thereby it can self-adaptation float to shell the hemp notch board 31 at the in-process of shelling the hemp, when shelling the ramie between the hemp notch board 31 and the decortication cylinder 30 more, notch board buffer spring 41 can suitably compress, thereby increase the clearance, and then the decortication of the hemp pole of the different thicknesses of adaptation, prevent that the fixed clearance from bringing the problem that breaks the ramie fibre.

In this embodiment, in order to prevent the problem of ramie fiber winding, still include cylinder curb plate 45 and anti-winding cover 46, cylinder bearing 47 is installed at the both ends of cylinder 32, cylinder curb plate 45 installs the tip at clapper 42, and the external diameter of this cylinder curb plate 45 is greater than the radius of rotation in the clapper 42 outside, and then prevents that the fibre from both sides from droing, and the one end of anti-winding cover 46 extends to the inboard of clapper supporting disk 43, and the other end covers the upside at cylinder bearing 47 to carry out physical isolation to the easy winding cylinder bearing 47 position.

In this embodiment, walking wheel 48 is installed to the downside of frame 1, the lift supporting mechanism, backup pad 49 and U type bolt 50, walking wheel 48 and the setting of lift supporting mechanism are in one side of frame 1, backup pad 49 sets up the opposite side at frame 1, walking wheel 48's connecting axle and the pin joint of U type bolt 50, lift supporting mechanism includes lift adjusting screw 51 and lift adjusting nut 52, lift adjusting screw 51's lower extreme is provided with lip block 53, lift adjusting screw 51 passes through lift adjusting nut 52 rigid coupling on frame 1, when decorticator is in the level land operation, rise lift supporting mechanism to leaving ground, make walking wheel 48 contact ground, usable walking wheel 48 makes things convenient for the transfer of machines simultaneously. When the decorticator is operated on the mountain land, the lifting support mechanism is lowered to enable the lifting support mechanism to be in contact with the ground, the travelling wheels 48 are suspended, the travelling wheels 48 are quickly disassembled by loosening the nuts on the U-shaped bolts 50, then the lifting support mechanism is adjusted to enable the supporting cushion blocks 53 to be grounded, and the whole decorticator is guaranteed to be vertical and not to incline.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mountain land ramie feeds numb device, its characterized in that includes frame (1) and installs feed numb device in frame (1), feed numb device including feeding hopper (2), centre gripping transport pair roller (3), be used for the drive centre gripping to carry the first rotary driving subassembly of pair roller (3) rotary feed and be used for control power clutch's clutch mechanism between centre gripping transport pair roller (3) and the first rotary driving subassembly, centre gripping transport pair roller (3) are including upper and lower intermeshing's centre gripping conveying roller (4), the output of feeding hopper (2) with the input of centre gripping transport pair roller (3) is connected.

2. The mountain ramie feeding device according to claim 1, wherein the clutch mechanism comprises a clutch fixed sleeve (5), a clutch movable sleeve (6), a mounting seat and a reciprocating driving piece for driving the clutch movable sleeve (6) to reciprocate relative to the clutch fixed sleeve (5), the clutch fixed sleeve (5) is mounted on the mounting seat, the clutch fixed sleeve (5) and the clutch movable sleeve (6) are both sleeved on the driving shaft (8) of the clamping conveying roller (4), the first rotary driving assembly is in transmission connection with the mounting seat, the clutch movable sleeve (6) is in sliding connection with the driving shaft (8) in an axial direction through key matching, and protrusions (27) and grooves (28) which are used for being clamped with each other are arranged on the clutch fixed sleeve (5) and the clutch movable sleeve (6).

3. The mountain ramie feeding device according to claim 2, wherein the reciprocating drive element comprises a clutch block (57), a clutch spring (58), a clutch pull wire (59), a pull wire jacket (60) and a clutch pedal (10), the clutch pull wire (59) passes through the pull wire outer sleeve (60), an annular groove (61) is circumferentially arranged on the outer side of the clutch movable sleeve (6), one end of the clutch shifting block (57) is in circumferential sliding connection with the annular groove (61), the other end of the clutch shifting block is connected with one end of the clutch pull wire (59), two ends of the pull wire outer sleeve (60) are fixedly connected on the frame (1), one end of the clutch spring (58) is propped against the clutch shifting block (57), the other end is propped against the pull wire outer sleeve (60), the other end of the clutch pull wire (59) is connected with the clutch pedal (10).

4. The mountain ramie feeding device according to claim 3, wherein the clutch shifting block (57) comprises two clutch half rings (62), and the two ends of the clutch half rings (62) are connected to form a circular ring structure, and the circular ring structure is sleeved in the annular groove (61).

5. The mountain ramie feeding device according to claim 4, wherein the first rotary driving assembly comprises a scroll spring (9), the scroll spring (9) is sleeved on a driving shaft (8) of the clamping and conveying roller (4), the inner end of the scroll spring (9) is connected with the driving shaft (8), and the outer end of the scroll spring is connected with the frame (1).

6. The mountain ramie feeding device according to claim 5, wherein the first rotary driving assembly further comprises a feeding pedal (11), a pedal connecting rod (12), a pedal crankshaft (13) and a driving pulley (14), the mounting seat is a driven pulley (7), the clutch fixed sleeve (5) is coaxially and fixedly connected with the driven pulley (7), one end of the pedal connecting rod (12) is hinged to the feeding pedal (11), the other end of the pedal connecting rod is hinged to one end of the pedal crankshaft (13), the other end of the pedal crankshaft (13) is coaxially connected with the driving pulley (14), and the driving pulley (14) is in transmission with the driven pulley (7) through a belt (16).

7. The mountain ramie feeding device according to claim 1, wherein the surface of the clamping conveying roller (4) is circumferentially provided with corrugated teeth (17), and the corrugated teeth (17) are uniformly distributed along the circumferential direction of the clamping conveying roller (4).

8. The mountain ramie feeding device according to claim 1, further comprising an angle adjusting mechanism, wherein the feeding hopper adjusting mechanism comprises an angle adjusting screw (18) and an angle adjusting nut (19), the upper end of the angle adjusting screw (18) is hinged to the input end of the feeding hopper (2), and the lower end of the angle adjusting screw is fixedly connected to the frame (1) through the angle adjusting nut (19).

9. The mountain ramie feeding device according to any one of claims 1 to 8, wherein the device further comprises a displacement adjusting mechanism for adjusting the displacement of the feeding hopper (2) along the conveying direction, the feeding hopper (2) is provided with a strip hole (23) along the conveying direction, the displacement adjusting mechanism comprises a displacement adjusting screw (21) and a displacement adjusting nut (22), the displacement adjusting screw (21) is in sliding connection with the strip hole (23), and the displacement adjusting screw (21) is fixedly connected with the feeding hopper (2) through the displacement adjusting nut (22).

10. The mountain ramie feeding device according to claim 9, wherein the two ends of the clamping conveyor roller (4) are provided with clamping conveyor roller bearing seats (24), the two sides of the clamping conveyor roller bearing seats (24) which are arranged oppositely up and down on any side are connected with a connecting rod (25) in a sliding manner, the connecting rod (25) is connected with the rack (1) in a sliding manner, the connecting rod (25) is sleeved with a tension spring (26), and the two ends of the tension spring (26) are respectively abutted against the upper side and the lower side of the clamping conveyor roller bearing seats (24).