Automatic fiber hemp cutting machine

Abstract

The present invention discloses an automatic fiber hemp segmenting machine, aiming to provide a machine that is highly efficient, time-saving, and labor-saving, and produces neatly cut segments. The machine frame is constructed as a frame, with a lower support and an upper support disposed horizontally therein. The frames on either side of the frame, the lower support, and the upper support form a longitudinal channel. A saw blade shaft is horizontally mounted on the lower support, rolling in a transverse direction. The outer end of the saw blade shaft is coupled to a cutting motor. Two cutting saw blades are fixedly mounted on the saw blade shaft and divide the longitudinal channel into three sections along the transverse direction. The two cutting saw blades are located on one side of the longitudinal channel entrance. A feeding plate is mounted on the lower support. A hemp stalk conveyor and a hemp stalk compactor are mounted on the upper support. A grass clearing device is disposed behind the hemp stalk conveyor. The present invention is suitable for automatic fiber hemp segmenting operations.

Description

Technical Field

[0001] The invention belongs to hemp processing machinery, in particular to an automatic fiber hemp segment cutting machine. Background Art

[0002] The husk of fiber hemp is a high-quality textile raw material, and the core can be used as a biomass raw material. Essentially, the entire plant is a valuable resource. In recent years, the cultivated area nationwide has gradually increased. After harvesting and retting fiber hemp, processing it off the field is a crucial step. Hemp stalks are typically 2-3 meters tall, while the maximum inlet width of the husk-and-stem separation equipment is 1 meter. This necessitates cutting the stalks into segments of less than 1 meter before debarking. Currently, due to the lack of dedicated segmenting machines, semi-manual hoeing and cutting equipment is used. This is labor-intensive, time-consuming, and inefficient, resulting in poorly aligned segments. Summary of the Invention

[0003] The object of the present invention is to provide an automatic fiber hemp cutting machine with high working efficiency, time and labor saving and neat cutting, in order to solve the above problems.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: the automatic fiber hemp segmenting machine of the present invention includes a frame, and also includes a hemp stalk cutting device, a hemp stalk conveying device, a hemp stalk compactor, and a grass clearing device. The hemp stalk cutting device is composed of a feeding table, a cutting saw blade, a saw blade shaft, and a cutting motor. The frame is a frame structure, and a lower bracket and an upper bracket are horizontally arranged therein. The frames on both sides of the frame and the lower bracket and the upper bracket form a longitudinal channel. The saw blade shaft is horizontally arranged on the lower bracket in a rolling manner in the transverse direction. The outer end of the saw blade shaft is connected to the cutting motor. Two cutting saw blades are fixed on the saw blade shaft, and the two cutting saw blades divide the longitudinal channel into three sections in the transverse direction and are located on one side of the entrance of the longitudinal channel. A feeding table is arranged on the lower bracket, the hemp stalk conveying device and the hemp stalk compactor are arranged on the upper bracket, and the grass clearing device is arranged behind the hemp stalk conveying device.

[0005] As a preferred embodiment of the present invention, the hemp stalk conveying device is composed of a feeding finger, a sprocket, a front sprocket shaft, a feeding motor, a guide guard plate, and a rear sprocket shaft. The front sprocket shaft and the rear sprocket shaft are parallel to the saw blade shaft and are arranged in an inverted triangle. The front sprocket shaft and the rear sprocket shaft are respectively rollingly arranged at the front and rear ends of the upper bracket, wherein the outer end of the rear sprocket shaft is connected to the feeding motor, and six sprockets are respectively arranged on the front and rear ends of the front sprocket shaft and the rear sprocket shaft and six conveyor chains are hung. Feeding fingers are arranged at equal intervals on the conveyor chain, wherein two pairs of sprockets are respectively symmetrically arranged on both sides of the two cutting saw blades. The guide guard plate is arranged below the six conveyor chains, and the guide guard plate is provided with six running channels corresponding to the feeding fingers, and the front end of the guide guard plate is in the shape of an arc that wraps the sprocket.

[0006] As a preferred embodiment of the present invention, the hemp stalk compactor is composed of a presser foot, a support screw, and a longitudinal beam. The presser foot is composed of two longitudinal lower bow-shaped pressure rods combined by two front and rear transverse tie bars. The two support screws are vertically fixed on the two front and rear transverse tie bars and are located directly above the two cutting saw blades. Two longitudinal beams are arranged on the upper bracket. The presser foot is respectively arranged between each pair of sprockets in the two pairs of sprockets. The presser foot is hoisted on the longitudinal beam by two support screws, and the cutting saw blade extends upward between the two longitudinal lower bow-shaped pressure rods of the presser foot.

[0007] As a preferred embodiment of the present invention, the grass cleaning device consists of a finger roller, a combing finger, and a grass cleaning motor, which is located at the rear and lower part of the rear sprocket shaft. The finger roller is horizontally arranged in the arc plate at the end of the guide guard plate, and the shafts at both ends of the finger roller are rollingly arranged on the frames on both sides of the frame. One end of the finger roller is connected to the grass cleaning motor, and the combing finger is in the shape of a swept arc tip plate relative to the rotation direction. The combing finger is evenly distributed on the finger roller along the circumference, and a row of the combing fingers is symmetrically arranged on the left and right corresponding to the feeding fingers in the running channel. Two rows of the combing fingers are in the running channel and extend from the arc plate at the end of the guide guard plate.

[0008] As a preferred solution of the present invention, a cover plate is provided above the frame, and a conveyor belt is provided obliquely at the rear and lower part of the grass clearing device.

[0009] As a preferred solution of the present invention, the lateral distance between the two cutting saw blades is 0.9 m, and the lateral distance between each cutting saw blade and the frames on both sides of the frame is 1 m.

[0010] Due to the adoption of the above technical solution, the fiber hemp automatic segmenting machine provided by the present invention has the following beneficial effects compared with the prior art:

[0011] The two cutting saw blades of the present invention are fixedly mounted on the saw blade shaft and divide the longitudinal channel into three sections along the transverse direction. The blades are located on one side of the longitudinal channel entrance. A feeding platen is provided on the lower bracket, and the stalk conveyor and stalk compactor are provided on the upper bracket. The weed clearing device is located behind the stalk conveyor. The stalks are neatly laid on the feeding platen at the entrance of the longitudinal channel and forcibly fed by the stalk conveyor's feeding fingers. When they are transported to the vicinity of the two cutting saw blades, they are gradually compacted by the pressure foot of the stalk compactor. The two cutting saw blades neatly cut the stalks into three sections. The cut stalks continue to be transported backward. At the rear end, the combing and feeding fingers of the weed clearing device cooperate to completely discharge the stalks from the longitudinal channel exit and onto the conveyor belt. The entire segmentation process is completed automatically, continuously, and neatly cut, significantly improving efficiency compared to manual hoeing. This results in high work efficiency, time and labor savings, and neatly cut sections. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of the structure of the automatic fiber hemp cutting machine of the present invention;

[0013] Figure 2 yes Figure 1 Side view of

[0014] Figure 3 yes Figure 1 A partial enlarged view of middle Ⅰ;

[0015] Figure 4 yes Figure 2 Partial cross-sectional view along line AA;

[0016] Figure 5 yes Figure 2 Partial cross-sectional view along line BB;

[0017] Figure 6 It is a partial enlarged view of the presser foot structure of the present invention.

[0018] In the figure: frame 1; feeding table 2; finger roller 3; combing finger 4; feeding finger 5; presser foot 6; sprocket 7; front sprocket shaft 8; cover plate 9; cutting saw blade 10; saw blade shaft 11; cutting motor 12; grass cleaning motor 13; feeding motor 14; support screw 15; conveyor belt 16; guide guard plate 17; longitudinal beam 18; rear sprocket shaft 19. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0020] like Figure 1 、 Figure 2 As shown, a structural schematic diagram of a preferred embodiment of the automatic fiber hemp segmenting machine of the present invention is given, which includes a frame 1, a hemp stalk segmenting device, a hemp stalk conveying device, a hemp stalk compactor, and a grass clearing device. The hemp stalk segmenting device consists of a feeding table 2, a cutting saw blade 10, a saw blade shaft 11, and a cutting motor 12. The frame 1 is a frame structure, in which a lower bracket and an upper bracket are horizontally arranged. The frames on both sides of the frame 1 and the lower bracket and the upper bracket form a longitudinal channel. The saw blade shaft 11 is horizontally arranged on the lower bracket in a transverse rolling manner. The outer end of the saw blade shaft 11 is connected to the cutting motor 12. Two cutting saw blades 10 are fixed on the saw blade shaft 11, and the two cutting saw blades 10 divide the longitudinal channel into three sections along the transverse direction. The transverse spacing between the two cutting saw blades 10 is 0.9m, and each of the cutting saw blades 10 is 1m away from the frames on both sides of the frame 1. Located at one side of the longitudinal channel entrance, a feeding platform 2 is provided on the lower bracket, the stalk conveying device and the stalk compactor are provided on the upper bracket, and the grass cleaning device is provided behind the stalk conveying device.

[0021] As a preferred embodiment of the present invention, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 As shown, the hemp stalk conveying device is composed of a feeding finger 5, a sprocket 7, a front sprocket shaft 8, a feeding motor 14, a guide guard plate 17, and a rear sprocket shaft 19. The front sprocket shaft 8 and the rear sprocket shaft 19 are parallel to the saw blade shaft 11 and are arranged in an inverted triangle. The front sprocket shaft 8 and the rear sprocket shaft 19 are respectively rotatably arranged at the front and rear ends of the upper bracket, wherein the outer end of the rear sprocket shaft 19 is connected to the feeding motor 14, and six sprockets 7 are respectively arranged on the front and rear ends of the front sprocket shaft 8 and the rear sprocket shaft 19 and six conveying chains are hung. The feeding fingers 5 are arranged at equal intervals on the conveying chains, wherein two pairs of sprockets 7 are respectively symmetrically arranged on both sides of the two cutting saw blades 10, and the guide guard plate 17 is arranged below the six conveying chains, and the guide guard plate 17 is provided with six running channels corresponding to the feeding fingers 5, and the head end of the guide guard plate 17 is in the shape of an arc that wraps the sprocket 7.

[0022] As a preferred embodiment of the present invention, Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 As shown, the hemp stalk compactor is composed of a presser foot 6, a support screw 15, and a longitudinal beam 18. The presser foot 6 is composed of two longitudinal lower bow-shaped pressure rods combined by two front and rear transverse tie bars. The two support screws 15 are vertically fixed on the two front and rear transverse tie bars and are located directly above the two cutting saw blades 10. Two longitudinal beams 18 are set on the upper bracket. The presser foot 6 is respectively set between each pair of sprockets 7 in the two pairs of sprockets 7. The presser foot 6 is hoisted on the longitudinal beam 18 by two support screws 15, and the cutting saw blade 10 extends upward between the two longitudinal lower bow-shaped pressure rods of the presser foot 6.

[0023] As a preferred embodiment of the present invention, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 As shown, the grass cleaning device consists of a finger roller 3, a combing finger 4, and a grass cleaning motor 13, which is located at the rear and lower rear of the rear sprocket shaft 19. The finger roller 3 is laterally arranged in the end arc plate of the guide guard plate 17, and the two end shafts of the finger roller 3 are rollingly arranged on the frames on both sides of the frame 1. One end of the finger roller 3 is connected to the grass cleaning motor 13, and the combing finger 4 is in the shape of a swept arc tip plate relative to the rotation direction. The combing finger 4 is evenly distributed on the finger roller 3 along the circumference, and a row of the combing fingers 4 is symmetrically arranged on the left and right corresponding to the feeding fingers 5 in the running channel. Two rows of the combing fingers 4 are in the running channel and extend from the end arc plate of the guide guard plate 17.

[0024] As a preferred embodiment of the present invention, Figure 1 、 Figure 2 As shown, a cover plate 9 is provided above the frame 1, and a conveyor belt 16 is provided obliquely at the rear lower portion of the grass clearing device.

[0025] The working principle of the present invention is described below. First, the cutting motor 12, the weeding motor 13, and the feeding motor 14 are started, so that the stalk segmenting device, the stalk conveying device, and the weeding device reach normal working state, and the stalks are neatly laid on the feeding plate 2 at the entrance of the longitudinal channel. The six sprockets 7 of the stalk conveying device drive the six conveyor chains to move the feeding fingers 5. Under the action of the feeding fingers 5, the stalks are forcibly fed from under the guide guard plate 17. When they are transported to the vicinity of the two cutting saw blades 10, they are gradually compacted by the pressure foot 6 of the stalk compactor. The two cutting saw blades 10 neatly cut the stalks into three sections. The cut stalks continue to be conveyed backward. At the rear end, the combing fingers 4 of the weeding device remove the stalks brought back by the feeding fingers 5 running to the rear end. The stalks are completely discharged from the longitudinal channel outlet and land on the conveyor belt 16. The length of the cut stalks is controlled to be less than 1m, meeting the requirements of the skin and stalk separation operation.

[0026] In actual use, the compaction degree of the presser foot 6 can be adjusted by changing the installation height position of the support screw 15 of the stalk compactor on the longitudinal beam 18 according to the quality of the stalk cut segments.

[0027] The invention is suitable for the automatic segmentation operation of fiber hemp.

Claims

1. An automatic fiber hemp cutting machine, comprising a frame (1), characterized in that: The machine also includes a stalk cutting device, a stalk conveying device, a stalk compactor, and a grass clearing device. The stalk cutting device is composed of a feeding table (2), a cutting saw blade (10), a saw blade shaft (11), and a cutting motor (12). The frame (1) is a frame structure, in which a lower bracket and an upper bracket are horizontally arranged. The frames on both sides of the frame (1) and the lower bracket and the upper bracket form a longitudinal channel. The saw blade shaft (11) is horizontally arranged on the lower bracket in a rolling manner in the transverse direction. The outer end of the saw blade shaft (11) is connected to the cutting motor (12). Two cutting saw blades (10) are fixed on the saw blade shaft (11). The two cutting saw blades (10) divide the longitudinal channel into three sections in the transverse direction and are located on one side of the entrance of the longitudinal channel. The feeding table (2) is arranged on the lower bracket. The stalk conveying device and the stalk compactor are arranged on the upper bracket. The grass clearing device is arranged behind the stalk conveying device. The hemp stalk conveying device is composed of a feeding finger (5), a sprocket (7), a front sprocket shaft (8), a feeding motor (14), a guide guard (17), and a rear sprocket shaft (19). The front sprocket shaft (8) and the rear sprocket shaft (19) are parallel to the saw blade shaft (11) and are arranged in an inverted triangle. The front sprocket shaft (8) and the rear sprocket shaft (19) are respectively arranged at the front and rear ends of the upper bracket in a rolling manner. The outer end of the rear sprocket shaft (19) is connected to the feeding motor (14). Six sprockets (7) are respectively arranged on the front and rear of the sprocket shaft (19) and are connected to six conveyor chains. The conveyor chains are provided with transmission fingers (5) at equal intervals. Two pairs of sprockets (7) are respectively and symmetrically arranged on both sides of the two cutting saw blades (10). The guide guard plate (17) is arranged below the six conveyor chains and is provided with six running channels corresponding to the transmission fingers (5). The front end of the guide guard plate (17) is in the shape of an arc that wraps around the sprocket (7). The hemp stalk compactor is composed of a presser foot (6), a supporting screw rod (15), and a longitudinal beam (18). The presser foot (6) is composed of two longitudinal lower arched press rods assembled by two front and rear transverse tie rods. The two supporting screw rods (15) are vertically fixed on the two front and rear transverse tie rods and are located directly above the two cutting saw blades (10). Two longitudinal beams (18) are provided on the upper bracket. The presser foot (6) is respectively provided between each pair of sprockets (7) in the two pairs of sprockets (7). The presser foot (6) is hoisted on the longitudinal beam (18) by the two supporting screw rods (15). The cutting saw blade (10) extends upward between the two longitudinal lower arched press rods of the presser foot (6). The grass cleaning device consists of a finger roller (3), a combing finger (4), and a grass cleaning motor (13), which is located at the rear lower part of the rear sprocket shaft (19). The finger roller (3) is arranged in the horizontal direction in the end arc plate of the guide guard plate (17). The two end shafts of the finger roller (3) are rollingly arranged on the two side frames of the frame (1). One end of the finger roller (3) is connected to the grass cleaning motor (13). The combing finger (4) is in the shape of a swept arc tip plate relative to the rotation direction. The combing finger (4) is evenly distributed on the finger roller (3) along the circumference, and a row of the combing fingers (4) is symmetrically arranged on the left and right corresponding to the feeding fingers (5) in the running channel. The two rows of the combing fingers (4) are in the running channel and extend from the end arc plate of the guide guard plate (17).

2. The automatic fiber hemp cutting machine according to claim 1, characterized in that: A cover plate (9) is provided above the frame (1), and a conveyor belt (16) is provided obliquely below the rear of the grass clearing device.

3. The automatic fiber hemp cutting machine according to claim 1, characterized in that: The transverse distance between the two cutting saw blades (10) is 0.9 m, and the transverse distance between each cutting saw blade (10) and the frames on both sides of the frame (1) is 1 m.

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