Brassica juncea harvesting and laying machine

Abstract

The invention discloses a leaf mustard harvesting and laying machine which comprises a walking chassis, a leaf gathering and pulling device, a clamping and conveying device, a root cutting device and an overturning and laying device, and the leaf gathering and pulling device, the clamping and conveying device, the root cutting device and the overturning and laying device are installed on the walking chassis. The output end of the clamping and conveying device is connected with the input end of the overturning and laying device, the root cutting device is installed below the clamping and conveying device to cut off roots of leaf mustard, and the clamping and conveying device is hinged to the walking chassis in the mode that the input end can deflect. The automatic leaf mustard harvesting and laying machine can realize full-automatic operation of leaf mustard harvesting and laying, improves the leaf mustard harvesting efficiency and quality, reduces the harvesting cost, reduces the loss of stems and leaves, and is convenient to popularize and apply.

Description

Technical Field

[0001] This invention relates to the field of agricultural machinery technology, specifically to a mustard harvesting and laying machine. Background Technology

[0002] Mustard greens are a vegetable native to China, with a long history, many varieties, and wide cultivation. Traditionally, mustard greens are harvested manually and spread out, which is inefficient and causes significant damage to the stems and leaves.

[0003] Currently, some semi-automatic mustard harvesting machines can automate operations such as loosening the soil, digging, and pulling mustard. However, they still cannot achieve fully automated harvesting and orderly laying of mustard after harvesting, hindering the realization of fully automated mustard harvesting. Summary of the Invention

[0004] The purpose of this invention is to provide a mustard harvesting and laying machine to solve the above-mentioned problems.

[0005] To achieve the above objectives, the present invention discloses a mustard harvesting and laying machine, comprising a walking chassis and a leaf-pulling device, a clamping and conveying device, a root-cutting device, and a flipping and laying device mounted on the walking chassis. The output end of the leaf-pulling device is connected to the input end of the clamping and conveying device, the output end of the clamping and conveying device is connected to the input end of the flipping and laying device, the root-cutting device is installed below the clamping and conveying device to cut off the roots of the mustard, and the clamping and conveying device is hinged to the walking chassis in a manner in which the input end can be tilted.

[0006] Furthermore, the leaf-gathering and pulling device includes a leaf-gathering cone for gathering mustard leaves. The leaf-gathering cone is disposed on both sides of the input end of the clamping and conveying device. The small end of the leaf-gathering cone is inclined downward and shallowly inserted into the soil to gather the mustard leaves towards the center.

[0007] Furthermore, a pull-out shovel for loosening the soil on both sides of the mustard root is provided below the conical tube. The pull-out shovel includes a soil-breaking plate with an inclined soil-breaking blade connected to its upper end.

[0008] Furthermore, the large end of the condensing cone is hinged to the pulling shovel, and an elastic adjusting element is installed between the condensing cone and the pulling shovel.

[0009] Furthermore, it also includes a root-cutting shovel assembly, which includes a crank-rocker mechanism and a root-cutting shovel. The blade at one end of the root-cutting shovel is located below the leaf-pulling device, and the other end is hinged to the support frame. The rocker arm of the crank-rocker mechanism is connected to the root-cutting shovel to drive the blade into the soil to cut the roots of the mustard while shaking the soil apart.

[0010] Furthermore, the clamping and conveying device includes a sway drive, a support frame, and a clamping conveyor belt, a tension wheel, and a drive wheel mounted on the support frame. The fixed end of the sway drive is hinged to the walking chassis, and the telescopic end is hinged to the support frame. The clamping conveyor belt is sleeved on the tension wheel and the drive wheel, and the clamping conveyor belts on both sides form a clamping gap for the mustard greens. The support frame is inclined so that the mustard greens are pulled upwards during the conveying process.

[0011] Furthermore, the clamping conveyor belt is evenly distributed with flexible rings, which form clamping gaps for keeping the mustard greens vertically pulled out and tilted during transport.

[0012] Furthermore, the root cutting device includes a rotary drive and a rotary cutting blade. The rotary cutting blade is mounted on the drive shaft of the rotary drive and is positioned below the clamping conveyor belts on both sides that form the clamping gap for the mustard greens.

[0013] Furthermore, a root limiting assembly is provided below the clamping conveyor belt. The root limiting assembly includes a root limiting rod and an elastic support member arranged opposite to each other. One end of the elastic support member is connected to the support frame, and the other end is connected to the root limiting rod. A root dragging assembly for dragging the root neck of the mustard greens between the root limiting rods is provided below the root limiting rod. The root cutting device is located behind the root dragging assembly.

[0014] Furthermore, the root dragging assembly consists of two sets arranged opposite to each other. The root dragging assembly includes a clamping dragging conveyor belt assembly and a drive assembly. The dragging conveyor belts of the clamping dragging conveyor belt assemblies on both sides are arranged opposite to each other to form a clamping gap for downward clamping and dragging.

[0015] Furthermore, the conveyor belt of the clamping and dragging conveyor belt assembly is provided with a root cutter, which extends along the conveying direction of the mustard greens.

[0016] Furthermore, the flipping and laying device includes a flipping and laying frame and multiple conveyor belt assemblies arranged in parallel on the flipping and laying frame. The conveyor belt assembly includes a conveyor belt and a drive roller and a driven roller sleeved in the conveyor belt. The conveyor belt includes a horizontally arranged mustard input section and a downwardly inclined mustard flipping section. Skirts are provided on both sides of the conveying surface of the conveyor belt. Skirt drive mechanisms are provided on both sides of the mustard flipping section to drive the skirts to move relative to each other to clamp the mustard.

[0017] Compared with the prior art, the advantages of the present invention are as follows: This invention uses a leaf-gathering and pulling device to gather and align mustard leaves with wide leaf spread and drooping outer leaf tips. A root-cutting shovel assembly then cuts the roots in the soil for the first time, reducing root-soil anchoring force and facilitating the smooth entry of the mustard into a clamping and conveying device. Within this device, the mustard is tilted upwards and pulled out. A clamping and dragging conveyor belt assembly cuts the roots of different diameters to ensure smooth entry into a root-limiting component, achieving root restriction. The root-cutting device then removes the roots. After cutting, the mustard is flipped and laid out in an orderly manner using a flipping and laying device. This fully automates the mustard harvesting and laying process, improving harvesting efficiency and quality, reducing harvesting costs, minimizing stem and leaf loss, and facilitating widespread application.

[0018] The present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0019] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings: Figure 1 This is an isometric schematic diagram of a mustard harvesting and laying machine disclosed in a preferred embodiment of the present invention; Figure 2 This is a front view schematic diagram of a mustard harvesting and laying machine disclosed in a preferred embodiment of the present invention; Figure 3 This is an isometric schematic diagram of the leaf-drawing device disclosed in a preferred embodiment of the present invention; Figure 4 This is a schematic diagram of the clamping and conveying device disclosed in a preferred embodiment of the present invention; Figure 5 This is an isometric schematic diagram of the root cutting device disclosed in a preferred embodiment of the present invention; Figure 6 This is an isometric schematic diagram of the root limiting component disclosed in a preferred embodiment of the present invention; Figure 7 This is a front view schematic diagram of the root drag component disclosed in a preferred embodiment of the present invention; Figure 8 This is a front view schematic diagram of the flipping and laying device disclosed in a preferred embodiment of the present invention.

[0020] Legend: 1. Chassis; 11. Control panel; 2. Condensed blade pulling device; 21. Condensed blade cone; 22. Pulling shovel; 221. Inclined soil-breaking blade; 222. Soil-breaking plate; 23. Elastic adjustment component; 3. Clamping and conveying device; 31. Oscillating drive component; 32. Support frame; 33. Clamping conveyor belt; 34. Tensioner wheel; 35. Drive wheel; 36. Flexible ring; 4. Root cutting device; 41. Rotary drive component; 42. Rotary cutting blade; 5. Turning and laying device; 51. Turning and laying frame; 52. Conveyor belt assembly; 521. Conveyor belt; 522. Drive roller; 523. Driven roller; 524. Mustard input section; 525. Mustard turning section; 526. Skirt; 53. Skirt drive mechanism; 54. Conveyor belt tensioning mechanism; 55. Telescopic drive component; 6. Root limiting component; 61. Root limiting rod; 62. Elastic support component; 7. Root dragging assembly; 71. Clamping dragging conveyor belt assembly; 72. Drive assembly; 73. Drag conveyor belt; 75. Root cutter; 8. Root cutting shovel assembly; 81. Crank rocker mechanism; 82. Root cutting shovel; 821. Shovel blade. Detailed Implementation

[0021] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0022] like Figures 1-8 As shown in the figure, this invention discloses a mustard harvesting and laying machine, including a walking chassis 1 and a leaf-pulling device 2, a clamping and conveying device 3, a root-cutting device 4, and a turning and laying device 5 mounted on the walking chassis 1. The walking chassis 1 is a tracked walking chassis with good passability, and an operating platform 11 is provided on its upper part. The output end of the leaf-pulling device 2 is connected to the input end of the clamping and conveying device 3, and the output end of the clamping and conveying device 3 is connected to the input end of the turning and laying device 5. The root-cutting device 4 is installed below the clamping and conveying device 3 to cut off the roots of the mustard. The clamping and conveying device 3 is hinged to the walking chassis 1 in a way that allows the input end to swing. Thus, the leaf-gathering and pulling device 2 gathers and aligns the wide-spread mustard leaves with their outer tips drooping to the ground. The root-cutting shovel assembly 8 then cuts the roots in the soil for the first time, reducing root-soil anchoring force and facilitating the smooth entry of the mustard greens into the clamping and conveying device 3. In the clamping and conveying device 3, the mustard greens are tilted upwards and pulled out. The clamping and dragging conveyor belt assembly 71 cuts the roots of different diameters to ensure smooth entry into the root limiting assembly 6, achieving root limiting and ensuring cutting accuracy. Then, the root-cutting device 4 removes the roots of the mustard greens. After cutting, the mustard greens are flipped and laid out in an orderly manner by the flipping and laying device 5, facilitating drying. This achieves fully automated mustard green harvesting and laying, improving harvesting efficiency and quality, reducing harvesting costs, minimizing stem and leaf loss, and facilitating widespread application.

[0023] In this embodiment, as Figure 3As shown, the leaf-gathering and pulling device 2 includes a leaf-gathering cone 21 for gathering mustard leaves. The leaf-gathering cone 21 has a gradually tapered structure with a large front end and a small rear end. The leaf-gathering cone 21 is set on both sides of the input end of the clamping and conveying device 3. The small end of the leaf-gathering cone 21 is inclined downward and shallowly inserted into the soil to gather the mustard leaves towards the center, making it easy for the clamping and conveying device 3 to enter. The structural shape of the leaf-gathering cone 21 can avoid damage to the mustard leaves.

[0024] In this embodiment, a pull-out shovel 22 for loosening the soil on both sides of the mustard root is provided below the conical tube 21. The pull-out shovel 22 has an inverted V-shaped structure and includes a soil-breaking plate 222 connected to the upper end to form an inclined soil-breaking blade 221. The soil-breaking plate 222 also has an inclined structure. The front part of the pull-out shovel 22 has an insertion tip, thereby reducing the force exerted by the clamping and conveying device 3 when clamping and pulling.

[0025] In this embodiment, the large end of the conical blade 21 is hinged to the pull shovel 22 and is installed together at the front end of the clamping and conveying device 3. An elastic adjusting member 23 is installed between the conical blade 21 and the pull shovel 22. The elastic adjusting member 23 is a compression spring. When it enters the soil and encounters a hard rock, the conical blade 21 can retract backward. After passing the hard rock, it returns to its original position under the action of the elastic adjusting member 23, thereby protecting the conical blade 21 and preventing it from bending and being damaged.

[0026] In this embodiment, as Figure 1 , 2 As shown in Figure 4, the clamping and conveying device 3 includes a sway drive 31, a support frame 32, and a clamping conveyor belt 33, a tension wheel 34, and a drive wheel 35 mounted on two sets of opposing support frames 32. The drive wheel 35 includes a driving wheel at one end of the clamping conveyor belt 33 and a driven wheel at the other end. The fixed end of the sway drive 31 is hinged to the traveling chassis 1, and the telescopic end is hinged to the support frame 32, thereby controlling the up-and-down sway position of the front end of the support frame 32, and thus controlling the leaf-pulling device 2 as shown in the figure or the soil being excavated. The clamping conveyor belt 33 is sleeved outside the tension wheel 34 and the drive wheel 35. The clamping conveyor belts 33 on both sides form a clamping gap for the mustard. The support frame 32 is inclined so that the mustard is pulled upward during the conveying process, thereby realizing the integrated synchronous operation of conveying and pulling.

[0027] In this embodiment, in order to ensure that the mustard greens remain vertical during the conveying process and reduce clamping damage, flexible rings 36 are evenly distributed on the clamping conveyor belt 33. The flexible rings 36 can be made of the same material as the conveyor belt and bonded together. The flexible rings 36 form a clamping gap for keeping the mustard greens vertically pulled out and tilted during conveying, or a structure similar to a snap-fit ​​groove, to achieve multi-level flexible clamping.

[0028] In this embodiment, as Figure 7As shown, in order to remove the unusable root tip of the mustard root, the root cutting device 4 includes a rotary drive 41 and a rotary cutting blade 42. The rotary cutting blade 42 is mounted on the drive shaft of the rotary drive 41. The rotary drive 41 can be a drive motor. The rotary cutting blade 42 is located below the mustard clamping gap formed by the clamping conveyor belts 33 on both sides. When the mustard is conveyed along the clamping conveyor belts 33 and passes through the rotary cutting blade 42, it can be automatically cut off.

[0029] In this embodiment, as Figure 4 , 6 As shown in Figure 7, since the clamping conveyor belt 33 clamps the mustard at different positions each time, in order to ensure that the cutting position of the rotary cutting blade 42 is always at the root neck of the mustard (the connection between the root and the stem and leaves), thus achieving consistent cutting position, a root limiting component 6 is provided below the clamping conveyor belt 33 of the rotary cutting blade 42. The root limiting component 6 includes a root limiting rod 61 and an elastic support member 62 arranged opposite to each other. The elastic support member 62 is a spring plate assembly, which restricts the root limiting rod 61 to only move relative to each other and not move up and down. One end of the elastic support member 62 is connected to the support frame 32, and the other end is connected to the root limiting rod 61. Below the root limiting rod 61, there is a root dragging component 7 for dragging the root neck of the mustard greens to the root limiting rod 61. When the root dragging component 7 drags the root downwards, the root limiting rod 61 can move appropriately to both sides to accommodate mustard greens of different root sizes. However, when the root neck reaches the root limiting rod 61, the volume of the stem and leaves increases significantly, and it can no longer move downwards. Thus, the root limiting rod 61 plays a limiting role. At this time, the root cutting device 4 is set behind the root dragging component 7, so that it can cut to the root neck position more accurately, thereby ensuring the consistency of the cut mustard greens.

[0030] In this embodiment, the root dragging components 7 are arranged in two opposite groups. Each root dragging component 7 includes a clamping and dragging conveyor belt assembly 71 and a drive assembly 72. The dragging conveyor belts 73 on both sides of the clamping and dragging conveyor belt assembly 71 are arranged opposite each other to form a clamping gap for downward dragging. In order to ensure the dragging effect and facilitate the cutting of loose root hairs to avoid affecting the root cutting device 4, a root cutting blade 75 is provided on the conveyor belt of the clamping and dragging conveyor belt assembly 71. The root cutting blade 75 extends along the conveying direction of the mustard greens and can be inserted into the root, resulting in a better downward dragging effect.

[0031] In this embodiment, as Figure 1 and 2As shown, it also includes a root-cutting shovel assembly 8, which cooperates with the leaf-gathering and pulling device 2. The root-cutting shovel assembly 8 includes a crank-rocker mechanism 81 and a root-cutting shovel 82. The root-cutting shovel 82 has a U-shaped structure. The blade 821 at one end of the root-cutting shovel 82 is located below the leaf-gathering and pulling device 2, and the other end is hinged to the support frame 32. The rocker arm of the crank-rocker mechanism 81 is connected to the root-cutting shovel 82 to drive the blade 821 into the soil to cut the roots of the mustard greens, thereby reducing the root-soil anchoring force and simultaneously loosening the soil, thus achieving simultaneous root cutting and soil loosening. This facilitates the leaf-gathering and pulling device 2 and the clamping and conveying device 3 in pulling out the mustard greens.

[0032] In this embodiment, as Figure 8 As shown, the flipping and laying device 5 includes a flipping and laying frame 51 and multiple conveyor belt assemblies 52 arranged in parallel on the flipping and laying frame 51. The flipping and laying frame 51 is hinged to the traveling chassis 1. The flipping and laying frame 51 is driven to swing up and down by a telescopic drive member 55, thereby adapting to the collection box in different positions. The conveyor belt assembly 52 includes a conveyor belt 521 and a drive roller 522 and a driven roller 523 sleeved in the conveyor belt 521. The conveyor belt 521 is a triangular conveyor belt, which is tensioned by a conveyor belt tensioning mechanism 55. The conveyor belt 521 includes a horizontally arranged mustard input section 524 and a downwardly inclined mustard flipping section 525. The mustard input section 524 is used to receive mustards pulled out of the soil and cut off at the bottom. Skirts 526 are provided on both sides of the conveying surface of the conveyor belt 521. Skirt drive mechanisms 53 are provided on both sides of the mustard flipping section 525 to drive the skirts 526 to move relative to each other to clamp the mustards. After being harvested, the mustard greens fall orderly into the mustard green input section 524 following the clamping and conveying device 3. They then gradually enter the mustard green turning section 525. Due to the synchronous driving of the skirt edge 53, the skirt edge 526 moves relative to the mustard greens. Thus, the mustard greens can be clamped and tilted downwards through the mustard green turning section 525. When the mustard green turning section 525 turns at the output end, it can turn and fall, and then fall orderly into the collection box. This avoids the damage to the mustard greens caused by falling from a great height and the problem of disordered collection, achieving orderly conveying and laying, and reducing damage to the stems and leaves of the mustard greens.

[0033] In this embodiment, the skirt 526 is a continuously arranged wavy annular structure, which can flexibly hold the mustard greens and avoid damage to them. The two sides of the skirt 526 form a mustard green conveying groove, which also prevents the mustard greens from falling off the conveyor belt 521.

[0034] The working principle of the mustard harvesting and laying machine of the present invention is as follows: During machine operation, the small end of the leaf-pulling device 2 at the front of the leaf-pulling device 2 is shallowly inserted into the soil. As the machine continues to move forward, the mustard leaves are gathered together. Then, the pulling shovel 22 loosens the soil on both sides of the mustard roots, thereby reducing the force of the clamping and pulling device 3. During the transportation process, the roots of the mustard are dragged to the predetermined position by the root dragging component 7. Then, the rotary cutting blade 42 under the clamping and conveying device 3 cuts off the roots of the mustard. When the cut roots of the mustard are transported to the end of the clamping and conveying device 3, the clamping force is weakened and it falls onto the turning and laying device 5. As the skirt conveyor belt 521 rotates, the mustard moves with the conveyor belt 521 under the flexible clamping action of the skirt. In the turning section of the skirt conveyor belt 521, the gap between the skirts is reduced by the gap adjusting rod to increase the clamping force and prevent the mustard from falling off. After the mustard is turned, it leaves the turning section and falls into the field under the action of gravity, realizing the laying and turning of the mustard in the field for drying.

[0035] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A mustard green harvesting and spreading machine, characterized in that, The device includes a walking chassis (1) and a leaf-pulling device (2), a clamping and conveying device (3), a root-cutting device (4), and a flipping and laying device (5) mounted on the walking chassis (1). The output end of the leaf-pulling device (2) is connected to the input end of the clamping and conveying device (3), and the output end of the clamping and conveying device (3) is connected to the input end of the flipping and laying device (5). The root-cutting device (4) is installed below the clamping and conveying device (3) to cut off the roots of the mustard. The clamping and conveying device (3) is hinged to the walking chassis (1) in a way that the input end can be tilted.

2. The mustard harvesting and spreading machine according to claim 1, characterized in that, The leaf-gathering and pulling device (2) includes a leaf-gathering cone (21) for gathering mustard leaves. The leaf-gathering cone (21) is arranged on both sides of the input end of the clamping and conveying device (3). The small end of the leaf-gathering cone (21) is inclined downward and shallowly inserted into the soil to gather the mustard leaves towards the center.

3. The mustard harvesting and spreading machine according to claim 2, characterized in that, Below the conical tube (21) is a pull-out shovel (22) for loosening the soil on both sides of the mustard root. The pull-out shovel (22) includes a soil-breaking plate (222) with an inclined soil-breaking blade (221) connected to its upper end.

4. The mustard harvesting and spreading machine according to claim 2, characterized in that, The large end of the condenser cone (21) is hinged to the puller shovel (22), and an elastic adjusting member (23) is installed between the condenser cone (21) and the puller shovel (22).

5. The mustard harvesting and spreading machine according to claim 1, characterized in that, The clamping and conveying device (3) includes a sway drive (31), a support frame (32), and a clamping conveyor belt (33), a tension wheel (34), and a drive wheel (35) mounted on the support frame (32). The fixed end of the sway drive (31) is hinged to the walking chassis (1), and the telescopic end is hinged to the support frame (32). The clamping conveyor belt (33) is sleeved outside the tension wheel (34) and the drive wheel (35). The clamping conveyor belts (33) on both sides form a clamping gap for the mustard greens. The support frame (32) is inclined so that the mustard greens are pulled upward during the conveying process.

6. The mustard harvesting and spreading machine according to claim 5, characterized in that, Flexible rings (36) are evenly distributed on the clamping conveyor belt (33), and the flexible rings (36) form a clamping gap for keeping the mustard greens vertically pulled out and inclined conveyed.

7. The mustard harvesting and spreading machine according to claim 5, characterized in that, The root cutting device (4) includes a rotary drive (41) and a rotary cutting blade (42). The rotary cutting blade (42) is mounted on the drive shaft of the rotary drive (41) and is positioned below the clamping conveyor belts (33) on both sides to form a clamping gap for mustard greens.

8. The mustard harvesting and spreading machine according to claim 5, characterized in that, A root limiting component (6) is provided below the clamping conveyor belt (33). The root limiting component (6) includes a root limiting rod (61) and an elastic support (62) arranged opposite to each other. One end of the elastic support (62) is connected to the support frame (32), and the other end is connected to the root limiting rod (61). A root dragging component (7) for dragging the root neck of the mustard to the root limiting rod (61) is provided below the root limiting rod (61). The root cutting device (4) is located behind the root dragging component (7).

9. The mustard harvesting and spreading machine according to claim 8, characterized in that, The root dragging assembly (7) consists of two sets arranged opposite to each other. The root dragging assembly (7) includes a clamping dragging conveyor belt assembly (71) and a drive assembly (72). The dragging conveyor belts (73) of the clamping dragging conveyor belt assemblies (71) on both sides are arranged opposite to each other to form a clamping gap for downward clamping and dragging.

10. The mustard harvesting and spreading machine according to claim 9, characterized in that, The conveyor belt of the clamping and dragging conveyor belt assembly (71) is provided with a root cutter (75) that extends along the conveying direction of the mustard greens.

11. The mustard harvesting and spreading machine according to claim 5, characterized in that, It also includes a root cutting shovel assembly (8), which includes a crank rocker mechanism (81) and a root cutting shovel (82). The blade (821) at one end of the root cutting shovel (82) is located below the leaf pulling device (2), and the other end is hinged to the support frame (32). The rocker arm of the crank rocker mechanism (81) is connected to the root cutting shovel (82) to drive the blade (821) to enter the soil to cut the roots of the mustard while shaking the soil.

12. The mustard harvesting and spreading machine according to any one of claims 1-11, characterized in that, The flipping and laying device (5) includes a flipping and laying frame (51) and multiple conveyor belt assemblies (52) arranged in parallel on the flipping and laying frame (51). The conveyor belt assembly (52) includes a conveyor belt (521) and a drive roller (522) and a driven roller (523) sleeved in the conveyor belt (521). The conveyor belt (521) includes a horizontally arranged mustard input section (524) and a downwardly inclined mustard flipping section (525). The mustard input section (524) is connected to the output end of the clamping and conveying device (3). Skirts (526) are provided on both sides of the conveying surface of the conveyor belt (521). Skirt driving mechanisms (53) for driving the skirts (526) to move relative to each other to clamp the mustard are provided on both sides of the mustard flipping section (525).

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