Mugwort defoliator and defoliation method

Abstract

The present invention relates to the technical field of Chinese herbal medicine processing, and specifically discloses an wormwood defoliator, comprising a bottom plate and a processing box, wherein a defoliation layer, a positioning layer and a pull-down layer are sequentially arranged inside the processing box from top to bottom, and the structures of the defoliation layer, the positioning layer and the pull-down layer are the same, and the defoliation layer comprises a first rope, a second rope, a linkage unit and a drive unit, and the first rope is located above the second rope and is arranged crosswise with the second rope; the present invention can locate the position of the wormwood branch through the rectangular hole between the first rope and the second rope, and can more accurately ensure that the wormwood on a single wormwood branch is processed separately, and the drive unit can drive the rectangular holes between multiple first ropes and multiple second ropes to become smaller, so that the rectangular holes clamp the wormwood branches, making it convenient for the pull-down layer to drive the wormwood branches to descend through the lifter, thereby directly peeling the wormwood roots from the wormwood branches through the rectangular holes, avoiding damage to the wormwood themselves.

Description

Technical Field

[0001] The invention relates to the technical field of Chinese herbal medicine processing, and in particular to a mugwort defoliator and a defoliation method. Background Art

[0002] Mugwort is a perennial herb belonging to the genus Artemisia of the Asteraceae family, distributed in Asia and Europe. It has the effects of warming the meridians, removing dampness, dispelling cold, stopping bleeding, anti-inflammatory, relieving asthma, relieving cough, stabilizing pregnancy, and anti-allergic.

[0003] Because mugwort has multiple functions, it is processed into a variety of mugwort products. Before processing into finished products, the mugwort leaves on the mugwort branches need to be peeled off. This is usually done manually, which takes time and manpower.

[0004] In the patent document with the authorization announcement number CN 113084919 B, a device for separating stems and leaves of mugwort in batches and by grading is disclosed, which includes a mugwort dead leaf removal and fixing mechanism, a mugwort grading and cutting mechanism, and a classification and collection mechanism, etc.; the mugwort dead leaf removal and fixing mechanism is connected to the mugwort grading and cutting mechanism; the mugwort dead leaf removal and fixing mechanism is connected to the classification and collection mechanism; and a classification and collection mechanism is provided on the side of the mugwort grading and cutting mechanism. The device for separating stems and leaves collects the rhizomes and leaves separately through the cooperation between the mugwort dead leaf removal and fixing mechanism and the mugwort grading and cutting mechanism. In the process of peeling the mugwort leaves from the mugwort branches, two spreaders are used to peel them off with the mugwort leaves, which greatly reduces the processing time and processing costs. However, the spreaders are in direct contact with the mugwort leaves, which will cause the spreaders to damage the mugwort leaves themselves, resulting in incomplete mugwort leaves and affecting the quality of the mugwort. Therefore, a mugwort defoliator and defoliation method are proposed to solve the above-mentioned problems. Summary of the Invention

[0005] The present invention provides a mugwort defoliator and a defoliation method, aiming to solve the technical problem in the related art that a defoliator directly contacts mugwort leaves, which may cause the defoliator to damage the mugwort leaves themselves, resulting in incomplete mugwort leaves and affecting the quality of the mugwort.

[0006] The mugwort defoliator and defoliation method of the present invention include:

[0007] base plate;

[0008] The processing box is connected to the bottom plate. The interior of the processing box is provided with a defoliation layer, a positioning layer and a pull-down layer from top to bottom. The defoliation layer, the positioning layer and the pull-down layer have the same structure. The defoliation layer includes:

[0009] A first rope and a second rope, each of the first rope and the second rope has a plurality of ropes, the first rope is arranged along a first direction of the processing box, the second rope is arranged along a second direction of the processing box, the first rope is located above the second rope and is arranged to cross the second rope, and a rectangular hole for the mugwort branches to pass through is provided between the first rope and the second rope;

[0010] Linkage units, each of which has four groups, each of which slides on the processing box and is symmetrically arranged between two opposing linkage units, wherein the first rope and the second rope are respectively located between two opposing linkage units, so that the spacing between the plurality of first ropes and the plurality of second ropes moves synchronously;

[0011] The driving unit has two driving units, and both ends of the driving unit are respectively connected to two corresponding linkage units to drive the linkage units to move the first rope and the second rope.

[0012] Preferably, the diameters of the first and second ropes in the pull-down layer are larger than the diameters of the first and second ropes in the defoliation layer.

[0013] Preferably, the linkage unit includes multiple positioning slides, elastic telescopic rods and pull ropes, the elastic telescopic rods are divided into multiple sections, the multiple positioning slides are respectively connected to the multiple sections of elastic telescopic rods, and the pull ropes pass through the multiple positioning slides and are connected to the multiple positioning slides.

[0014] Preferably, a slide groove is opened on the circumference of the processing box, and the positioning slide slides in the slide groove. First positioning grooves are opened on the upper and lower sides of the slide groove, and the upper and lower sides of the positioning slide have positioning protrusions that slide in the first positioning groove.

[0015] Preferably, the outer sides of the positioning layer and the pull-down layer are connected to a sliding frame, the inner side and the inner top side of the sliding frame are respectively provided with a second positioning groove and a T-shaped positioning groove, and the two positioning protrusions on the positioning slide correspond to the second positioning groove and the T-shaped positioning groove respectively.

[0016] Preferably, the driving unit includes a first mounting frame, a driver, two first mounting seats, four second mounting seats and two vertical plates, the driver is connected to the processing box, the telescopic end of the driver is connected to the first mounting frame, the two vertical plates are respectively connected to the two ends of the first mounting frame, the two first mounting seats are respectively connected to the upper ends of the two vertical plates, the elastic telescopic rods and pull ropes on the defoliation layer are connected to the first mounting seat, the four second mounting seats are divided into two groups and are respectively slidably connected to the vertical plates, the processing box is provided with a second slide corresponding to the vertical plates, and the two groups of second mounting seats are respectively connected to the elastic telescopic rods and pull ropes on the positioning layer and the lower pull layer through the second slide.

[0017] Preferably, a lifting unit is provided on the processing box, and the lifting unit includes a lifter, a first sliding plate and a second sliding plate. The lifter is connected to the processing box and connected to the second sliding plate. The second sliding plate is connected to the outside of the sliding frame on the positioning layer and slides on the processing box. The first sliding plate is connected to the outside of the sliding frame on the pull-down layer and slides on the processing box. The first sliding plate is located above the second sliding plate and fits with the second sliding plate.

[0018] Preferably, the width of the first sliding plate located outside the processing box is greater than the width of the second sliding plate, and a limiting block corresponding to the second sliding plate is connected to the processing box.

[0019] Preferably, a blowing unit connected to the processing box is provided above the driver, and the blowing unit includes a blower, a diverter plate and two second mounting brackets, the two second mounting brackets are at both ends of the blower, and the blower is mounted on the processing box through the second mounting bracket, and the blower is connected to the diverter plate on the side facing the processing box, and the diverter plate is connected to a plurality of air outlets corresponding to the slide grooves on the side facing the processing box.

[0020] A defoliation method for a mugwort defoliator comprises the following steps:

[0021] Step A: Insert the mugwort branch from the top of the processing box. One end of the mugwort branch will pass through the defoliation layer, the positioning layer and the pull-down layer and be located in the rectangular hole.

[0022] Step B: The driver drives the pull ropes in the defoliation layer, the positioning layer, and the lower pull layer through the first mounting bracket and the second mounting bracket, respectively. The pull ropes drive the positioning slide to contract the elastic telescopic rods. The two sets of relative elastic telescopic rods drive the first rope and the second rope to move, respectively, shrinking the rectangular hole between the first rope and the second rope, thereby confining the wormwood stems within the rectangular hole.

[0023] Step C: The lifter drives the pull-down layer downward through the first sliding plate, and the pull-down layer drives the mugwort branches downward. The mugwort leaves on the mugwort branches are peeled off through the rectangular holes on the defoliation layer and remain on the defoliation layer;

[0024] Step D: The blower blows toward the mugwort leaves separated from the mugwort branches through the air outlet on the diverter plate, so that the mugwort leaves fall to the bottom of the processing box through the remaining space after the first rope and the second rope move.

[0025] By adopting the above technical solution, the beneficial effects of the present invention are:

[0026] 1. The position of the mugwort branch can be located by the rectangular hole between the first rope and the second rope, which can ensure that the mugwort leaves on a single mugwort branch are processed more accurately. In addition, the driving unit can be used to drive the rectangular holes between multiple first ropes and multiple second ropes to become smaller, so that the rectangular holes can clamp the mugwort branches, making it easier for the pull-down layer to drive the mugwort branches down through the lifter, so that the mugwort leaves on the mugwort branches are peeled off through the defoliation layer and stay on the defoliation layer, thereby realizing the direct peeling of the mugwort roots from the mugwort branches through the rectangular holes, avoiding damage to the mugwort leaves themselves.

[0027] 2. The cooperation between the driving unit and the linkage unit can drive multiple first ropes and multiple second ropes to move synchronously and at equal distances, ensuring that the rectangular holes between the first ropes and the second ropes are of the same size, thereby preventing the mugwort from passing directly through the defoliation layer due to the different sizes of the rectangular holes.

[0028] 3. After clamping the position of the mugwort leaves, the lower pull-down layer is driven downward by the lifting unit, and at the same time, the lower pull-down layer drives the mugwort branches downward, so that the mugwort leaves on the mugwort branches are detached through the rectangular holes of the defoliation layer. The second sliding plate follows the movement of the first sliding plate to achieve the positioning layer following the movement of the lower pull-down layer, so that the mugwort branches are in a vertical state, avoiding the loosening of the first rope and the second rope, which causes the mugwort branches to fall over and cannot be detached from the lower pull-down layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the defoliator of the present invention.

[0030] Figure 2 It is a structural schematic diagram of a partial cross section of the defoliator of the present invention.

[0031] Figure 3 It is a structural schematic diagram of the defoliation layer of the present invention.

[0032] Figure 4 It is a structural schematic diagram of the cross section of the processing box of the present invention.

[0033] Figure 5 It is a structural schematic diagram of the sliding frame of the present invention.

[0034] Figure 6 It is a structural schematic diagram of the drive unit of the present invention.

[0035] Figure 7 It is a structural schematic diagram of the blowing unit of the present invention.

[0036] Reference numerals:

[0037] 1. Bottom plate; 2. Processing box; 21. Slide; 22. First positioning groove; 24. Second slide; 31. Lifter; 32. First sliding plate; 33. Second sliding plate; 34. Limit block; 35. Fourth slide; 4. Blowing unit; 41. Second mounting bracket; 42. Blower; 43. Diverter plate; 44. Air outlet; 5. Drive unit; 51. First mounting bracket; 52. Drive; 53. Vertical plate; 54. First mounting seat; 55. Second mounting seat; 531. T-shaped slide; 61. Defoliation layer; 62. Positioning layer; 63. Pull-down layer; 611. Positioning slide; 612. Elastic telescopic rod; 613. Pull rope; 614. Positioning protrusion; 615. Fixed frame; 616. First rope line; 617. Second rope line; 621. Sliding frame; 622. Second positioning groove; 623. T-shaped positioning groove. DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0039] like Figures 1 to 4As shown, the present invention provides an wormwood defoliator, including a base plate 1, the four lower corners of the base plate 1 are fixedly connected with support legs, and the top of the base plate 1 is fixedly connected with a processing box 2. In detail, the processing box 2 is connected from top to bottom, and the base plate 1 has a rectangular groove corresponding to the processing box 2 to facilitate the wormwood stems to fall out of the processing box 2. The interior of the processing box 2 is provided with a defoliation layer 61, a positioning layer 62 and a pull-down layer 63 from top to bottom. A lifting unit is provided on the right side of the processing box 2. The positioning layer 62 and the pull-down layer 63 slide up and down in the processing box 2 through the lifting unit. The defoliation layer 61 includes a first rope 616, a second rope 617 and a linkage unit. The first rope 616 and the second rope 617 each have multiple roots. The first direction of the processing box 2 is defined as the front-to-back direction, and the second direction of the processing box 2 is the left-to-right direction. The first rope 616 is arranged along the front-to-back direction of the processing box 2, and the second rope 617 is arranged along the left-to-right direction of the processing box 2. The first rope 616 is located above the second rope 617 and is cross-arranged with the second rope 617. There is a rectangular hole between the first rope 616 and the second rope 617 for the mugwort branches to pass through. A slide groove 21 is provided in the circumference of the processing box 2, and the linkage unit has four The four groups of linkage units slide in the slide groove 21 respectively, and are symmetrically arranged between the two relative linkage units. The first rope 616 and the second rope 617 are respectively located between the two relative linkage units, so that the spacing between the multiple first ropes 616 and the multiple second ropes 617 move synchronously. The front and left sides of the processing box 2 are provided with a driving unit 5, and the two ends of the driving unit 5 are respectively connected to the two corresponding linkage units. The positioning layer 62 and the pull-down layer 63 have the same structure as the defoliation layer 61. The diameter of the first rope 616 and the second rope 617 in the pull-down layer 63 is larger than the diameter of the first rope 616 and the second rope 617 in the defoliation layer 61, so that the pull-down layer 63 can fix the position of the mugwort branch to drive the mugwort branch downward and peel off the mugwort on the mugwort branch. The bottom right side and the rear side of the processing box 2 are respectively installed with storage boxes for collecting mugwort leaves.

[0040] In this embodiment, the position of the mugwort branch can be located by the rectangular hole between the first rope 616 and the second rope 617, which can ensure that the mugwort leaves on a single mugwort branch are processed more accurately. In addition, the driving unit 5 can drive the rectangular holes between multiple first ropes 616 and multiple second ropes 617 to become smaller, so that the rectangular holes clamp the mugwort branches, making it easier for the pull-down layer 63 to drive the mugwort branches down through the lifter 31, so that the mugwort leaves on the mugwort branches are peeled off through the defoliation layer 61 and stay on the defoliation layer 61, thereby directly peeling the mugwort roots from the mugwort branches through the rectangular holes, avoiding damage to the mugwort leaves themselves.

[0041] Figure 3 and Figure 5As shown, a fixed frame 615 fixedly connected to the inner wall of the processing box 2 is provided above the defoliation layer 61, so that the mugwort branches can enter the rectangular hole to prevent the mugwort branches from being stuck in the gap between the first rope 616 or the second rope 617 and the processing box 2. The outer sides of the positioning layer 62 and the pull-down layer 63 are connected with a sliding frame 621. The inner side and the inner top side of the sliding frame 621 are respectively provided with a second positioning groove 622 and a T-shaped positioning groove 623. The two positioning protrusions 614 on the positioning slide 611 correspond to the second positioning groove 622 and the T-shaped positioning groove 623 respectively. The cooperation between the two positioning protrusions 614, the second positioning groove 622 and the T-shaped positioning groove 623 is used to limit the position of the positioning slide 611 on the positioning layer 62 and the pull-down layer 63.

[0042] like Figure 3 and Figure 4 As shown, the linkage unit includes multiple positioning slides 611, elastic telescopic rods 612 and pull ropes 613. The elastic telescopic rods 612 are divided into multiple sections. Multiple positioning slides 611 are respectively fixedly connected to the multiple-section elastic telescopic rods 612. The pull ropes 613 pass through the multiple positioning slides 611 and are fixedly connected to the multiple positioning slides 611. In detail, the positioning slide 611 slides in the slide groove 21. The upper and lower sides of the slide groove 21 are provided with first positioning grooves 22. The upper and lower sides of the positioning slide 611 have positioning protrusions 614 that slide in the first positioning groove 22. The cooperation between the positioning protrusions 614 and the first positioning groove 22 can confine the positioning slide 611 in the slide groove 21. There are four pull ropes 613, and the four pull ropes 613 are respectively located at the four corners of the positioning slide 611.

[0043] In this embodiment, the linkage unit can drive multiple first ropes 616 and multiple second ropes 617 to move synchronously and at equal distances, ensuring that the rectangular holes between the first ropes 616 and the second ropes 617 are of the same size, thereby avoiding the mugwort leaves passing directly through the defoliation layer 61 due to the different sizes of the rectangular holes.

[0044] like Figure 2 and Figure 6As shown, the driving unit 5 includes a first mounting frame 51, a driver 52, two first mounting seats 54, four second mounting seats 55 and two vertical plates 53. The driver 52 can be a hydraulic cylinder, a pneumatic cylinder or the like. The driver 52 is fixedly connected to the processing box 2. The telescopic end of the driver 52 is fixedly connected to the first mounting frame 51. The first mounting frame 51 is arranged in the horizontal direction. The two vertical plates 53 are respectively fixedly connected to the two ends of the first mounting frame 51. The two first mounting seats 54 are respectively fixedly connected to the upper ends of the two vertical plates 53. The elastic telescopic rod 612 and the pull rope 613 on the defoliation layer 61 are fixedly connected to the first mounting seat 54. A T-shaped slide 531 is provided on the side of the vertical plate 53 facing the processing box 2. The four second mounting seats 55 are divided into two groups and are respectively slidably connected in the two T-shaped slides 531. The two second mounting seats 55 in the T-shaped slide 531 are arranged up and down. A second slide 24 corresponding to the vertical plate 53 is provided on the processing box 2. The two groups of second mounting seats 55 are respectively connected to the positioning layer 62 and the pull-down layer 63 through the second slide 24.

[0045] like Figure 1 As shown, the lifting unit includes a lifter 31, a first sliding plate 32 and a second sliding plate 33. The lifter 31 is fixedly connected to the right side of the processing box 2 and is fixedly connected to the second sliding plate 33. A fourth slide 35 is provided on the right side of the processing box 2. The second sliding plate 33 is fixedly connected to the outer side of the sliding frame 621 on the positioning layer 62 and slides in the fourth slide 35. The first sliding plate 32 is fixedly connected to the outer side of the sliding frame 621 on the pull-down layer 63 and slides in the fourth slide 35. The first sliding plate 32 is located above the second sliding plate 33 and is in contact with the second sliding plate 33. The width of the first sliding plate 32 located on the outside of the processing box 2 is greater than the width of the second sliding plate 33. Both sides of the fourth slide 35 are fixedly connected with limit blocks 34 corresponding to the second sliding plate 33.

[0046] In this embodiment, after the position of the mugwort leaves is clamped, the pull-down layer 63 is driven downward by the lifting unit, and at the same time, the pull-down layer 63 drives the mugwort branches downward, so that the mugwort leaves on the mugwort branches are detached through the rectangular holes of the defoliation layer 61, wherein the second sliding plate 33 follows the movement of the first sliding plate 32 to achieve the positioning layer 62 following the movement of the pull-down layer 63, so that the mugwort branches are in a vertical state, avoiding the loosening of the first rope 616 and the second rope 617, causing the mugwort branches to fall over and be unable to detach from the pull-down layer 63.

[0047] like Figure 1 and Figure 7As shown, a blowing unit 4 connected to the processing box 2 is provided above the driver 52, and the blowing unit 4 includes a blower 42, a diverter plate 43 and two second mounting frames 41. The two second mounting frames 41 are fixed at both ends of the blower 42, and the blower 42 is fixed to the processing box 2 through the second mounting frames 41. The blower 42 is fixedly connected to the diverter plate 43 on the side facing the processing box 2, and the diverter plate 43 is fixedly connected to a plurality of air outlets 44 corresponding to the slide 21 on the side facing the processing box 2.

[0048] In this embodiment, the blowing unit 4 can be used to blow the mugwort leaves on the defoliation layer 61 off the defoliation layer 61. The blown mugwort leaves move between the first rope 616 and the second rope 617 to create space and fall to the bottom of the processing box 2, thereby realizing the collection of the mugwort leaves.

[0049] A defoliation method for a mugwort defoliator comprises the following steps:

[0050] Step A: First, insert the mugwort branch from the top of the processing box 2. One end of the mugwort branch will pass through the defoliation layer 61, the positioning layer 62 and the pull-down layer 63 and be located in the rectangular hole;

[0051] Step B: Then the driver 52 works to drive the pull ropes 613 in the defoliation layer 61, the positioning layer 62 and the lower pull layer 63 to move through the first mounting bracket 51 and the second mounting bracket 55 respectively. The pull ropes 613 drive the positioning slide 611 to shrink the elastic telescopic rod 612. The two sets of relatively elastic telescopic rods 612 drive the first ropes 616 and the second ropes 617 to move respectively, so that the spacing between the multiple first ropes 616 and the multiple second ropes 617 is reduced, and the area of ​​the rectangular hole is reduced. The multiple first ropes 616 and the multiple second ropes 617 move toward the left side and the front side of the processing box 2 respectively, resulting in material leakage areas on the right side and the rear side of the processing box 2. At the same time, the mugwort stems are confined to the lower pull layer 63 by the multiple first ropes 616 and the multiple second ropes 617.

[0052] Step C: The lifter 31 drives the pull-down layer 63 to descend through the first sliding plate 32, and the pull-down layer 63 drives the wormwood branch to move downward. The wormwood leaves on the wormwood branch are peeled off through the rectangular holes on the defoliation layer 61 and stay on the defoliation layer 61. At the same time, the positioning layer 62 moves downward following the first sliding plate 32 under the influence of gravity through the second sliding plate 33. When the second sliding plate 33 contacts the limit block 34, the positioning layer 62 stops moving, and the pull-down layer 63 continues to move downward until the wormwood branch is separated from the defoliation layer 61. The wormwood branch is located between the positioning layer 62 and the pull-down layer 63 to ensure that the wormwood branch is in a vertical state, thereby preventing the first rope 616 and the second rope 617 from loosening and causing the wormwood branch to fall and be unable to separate from the pull-down layer 63;

[0053] Step D: Finally, after the mugwort leaves are removed from the mugwort branches, the positioning layer 62 and the pull-down layer 63 are reset. The distance between the adjacent layers of the defoliation layer 61, the positioning layer 62 and the pull-down layer 63 is not enough to allow the mugwort leaves to fall in. The blower 42 blows towards the mugwort leaves after they are removed from the mugwort branches through the air outlet 44 on the diverter plate 43, causing the mugwort leaves to pass through the leakage area and fall into the storage box below the processing box 2. Subsequently, the first rope 616 and the second rope 617 on the defoliation layer 61, the positioning layer 62 and the pull-down layer 63 are reset under the action of the driver 52. At this time, the mugwort branches fall from the pull-down layer 63, thereby working in a reciprocating cycle to remove the mugwort from the mugwort branches.

[0054] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0055] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0056] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A mugwort defoliator, characterized in that: include: base plate; The processing box is connected to the bottom plate. The interior of the processing box is provided with a defoliation layer, a positioning layer and a pull-down layer from top to bottom. The structures of the defoliation layer, the positioning layer and the pull-down layer are the same. The defoliation layer includes: A first rope and a second rope, each of the first rope and the second rope has a plurality of ropes, the first rope is arranged along a first direction of the processing box, the second rope is arranged along a second direction of the processing box, the first rope is located above the second rope and is arranged to cross the second rope, and a rectangular hole for the mugwort branches to pass through is provided between the first rope and the second rope; The linkage units have four groups, and the four groups of linkage units are respectively slid on the processing box and symmetrically arranged between two relative linkage units. The first rope and the second rope are respectively located between the two relative linkage units, so that the spacing between the plurality of first ropes and the plurality of second ropes moves synchronously; The driving unit has two driving units, and the two ends of the driving unit are respectively connected to the two corresponding linkage units to drive the linkage unit to drive the first rope and the second rope to move; the driving unit includes a first mounting frame, a driver, two first mounting seats, four second mounting seats and two vertical plates. The driver is connected to the processing box, and the telescopic end of the driver is connected to the first mounting frame. The two vertical plates are respectively connected to the two ends of the first mounting frame, and the two first mounting seats are respectively connected to the upper ends of the two vertical plates. The elastic telescopic rods and pull ropes on the defoliation layer are connected to the first mounting seat, and the four second mounting seats are divided into two groups and are respectively slidably connected to the vertical plates. The processing box is provided with a second slide corresponding to the vertical plate, and the two groups of second mounting seats are respectively connected to the elastic telescopic rods and pull ropes on the positioning layer and the pull-down layer through the second slide.

2. The wormwood defoliator according to claim 1, characterized in that: The diameters of the first and second cords in the pull-down layer are greater than the diameters of the first and second cords in the defoliation layer.

3. The wormwood defoliator according to claim 1, characterized in that: The linkage unit includes multiple positioning slides, elastic telescopic rods and pull ropes. The elastic telescopic rods are divided into multiple sections. The multiple positioning slides are respectively connected to the multiple sections of the elastic telescopic rods. The pull ropes pass through the multiple positioning slides and are connected to the multiple positioning slides.

4. The mugwort defoliator according to claim 3, characterized in that: The processing box is provided with a slide groove in its circumference, the positioning slide slides in the slide groove, the upper and lower sides of the slide groove are provided with first positioning grooves, and the upper and lower sides of the positioning slide have positioning protrusions that slide in the first positioning grooves.

5. The mugwort defoliator according to claim 3, characterized in that: The outer sides of the positioning layer and the pull-down layer are connected to a sliding frame, the inner side and the inner top side of the sliding frame are respectively provided with a second positioning groove and a T-shaped positioning groove, and the two positioning protrusions on the positioning slide correspond to the second positioning groove and the T-shaped positioning groove respectively.

6. The mugwort defoliator according to claim 5, characterized in that: A lifting unit is provided on the processing box, and the lifting unit includes a lifter, a first sliding plate and a second sliding plate. The lifter is connected to the processing box and is connected to the second sliding plate. The second sliding plate is connected to the outside of the sliding frame on the positioning layer and slides on the processing box. The first sliding plate is connected to the outside of the sliding frame on the pull-down layer and slides on the processing box. The first sliding plate is located above the second sliding plate and is in contact with the second sliding plate.

7. The mugwort defoliator according to claim 6, characterized in that: The width of the first sliding plate located outside the processing box is greater than the width of the second sliding plate, and the processing box is connected to a limiting block corresponding to the second sliding plate.

8. The mugwort defoliator according to claim 1, characterized in that: A blowing unit connected to the processing box is provided above the driver, and the blowing unit includes a blower, a diverter plate and two second mounting brackets. The two second mounting brackets are at both ends of the blower. The blower is mounted on the processing box through the second mounting bracket. The blower is connected to the diverter plate on the side facing the processing box, and the diverter plate is connected to a plurality of air outlets corresponding to the chute on the side facing the processing box.

9. A defoliation method for a mugwort defoliator, characterized in that: The following steps are involved: Step A: Insert the mugwort branch from the top of the processing box. One end of the mugwort branch will pass through the defoliation layer, the positioning layer and the pull-down layer and be located in the rectangular hole. Step B: The driver drives the pull ropes in the defoliation layer, the positioning layer, and the lower pull layer through the first mounting bracket and the second mounting bracket, respectively. The pull ropes drive the positioning slide to contract the elastic telescopic rods. The two sets of relative elastic telescopic rods drive the first rope and the second rope to move, respectively, shrinking the rectangular hole between the first rope and the second rope, thereby confining the wormwood stems within the rectangular hole. Step C: The lifter drives the pull-down layer downward through the first sliding plate, and the pull-down layer drives the mugwort branches downward. The mugwort leaves on the mugwort branches are peeled off through the rectangular holes on the defoliation layer and remain on the defoliation layer; Step D: The blower blows toward the mugwort leaves separated from the mugwort branches through the air outlet on the diverter plate, so that the mugwort leaves fall to the bottom of the processing box through the remaining space after the first rope and the second rope move.

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