JP6014378B2 - Tea leaf picking machine - Google Patents

Description

  The present invention relates to a tea leaf plucking machine that conveys branches and leaves of a tea tree cut from a tea plantation by a cutting device to the rear of the machine body by an air current.

  In such a tea leaf plucking machine, for example, as described in Patent Document 1, on the rear side in the traveling direction of the traveling vehicle body that can travel across the tea tree pod, the tea tree branches and leaves are faced to the upper surface of the tea bud. A mowing device for harvesting is provided, a transport duct for transporting the branches and leaves of the tea plant that has been harvested is provided above the mowing device, and a storage device for housing the branches and leaves of the tea plant that is transported by the transport duct is provided on the rear side of the transport duct. There is something.

  The storage device includes an upper frame provided on the rear side of the traveling vehicle body, a lower frame provided below the upper frame, and three storage bags suspended from the upper frame. The lower frame is foldably supported. At the top of the storage device, there is a tea leaf separation frame that separates and drops the tea leaves conveyed by the conveyance duct from the discharge direction, and the branch leaves of the tea tree cut by the reaping device flow through the conveyance duct to the tea leaf separation frame. It is carried in and air and tea leaves are separated by the tea leaf separation frame, and the tea leaves fall and are stored in the storage bag.

  In addition, as described in Patent Document 2, the tea leaf plucking machine is detachably mounted on the lower part of the tea leaf separation frame with a cutting device that drops the branches and leaves of the harvested tea tree between the bushes of the tea plantation. There is something.

JP 2004-229586 A JP 2004-222669 A

  These conventional tea leaf plucking machines are equipped with a storage device or a cutting device when the tea device is attached to the tea leaf picking machine, so that the structure of the tea leaf picking machine is complicated and costly. Was inviting. For this reason, provision of the tea leaf picking machine of the simple structure which can send the branch leaf discharged from a conveyance duct directly to a storage device or a cutting device without a tea leaf separation frame is desired.

  The present invention has been made in order to meet such a demand, and provides a tea leaf picking machine having a simple structure capable of directly sending branches and leaves discharged from a transport duct to a storage device or a cutting device. With the goal.

In order to solve such a problem, the tea leaf plucking machine of the present invention is a cutting body that cuts the branches and leaves of the tea tree facing the upper surface of the tea tree pod on the traveling vehicle body that travels forward across the tea tree cocoon, and the reaping device cuts the tea leaves. A tea leaf plucking machine provided with a transport duct for transporting the branches and leaves of the tea tree, wherein the hole extends in the vertical direction to the rear side of the transport duct and communicates with the discharge port of the transport duct at the top (Embodiment) A back plate having a communication hole 52b) is provided, and an upper plate is provided on the back plate above the hole so as to be pivotable in the vertical direction and supported in a developed position extending rearward. The lower plate is provided on the back plate below the hole, and is provided so as to be pivotable in the vertical direction and supported at the unfolded position extending to the rear side. In the meantime, let the air escape from the branches and leaves that contain air transported from the transport duct. A storage body that can be deformed in an eye shape is attached, and an upper plate, a lower plate, a back plate, and a space that can store branches and leaves of tea trees that are transported by a transport duct are formed in a region surrounded by the storage body, The upper plate is provided with a hole covered with a mesh member (net 55 in the embodiment) that allows air to escape from the branches and leaves including the air that is conveyed from the conveyance duct, and at least the housing barrel is removed from the upper plate. In this state, the upper plate is equipped with a cutting device for dropping and guiding the branches and leaves of the tea tree cut by the cutting device between the bushes of the tea tree (claim 1).

Further, on the upper part of the trimming device of the present invention, when the trimming device is mounted on the upper plate, an opening communicating with the hole provided in the back plate and a hole covered by the mesh member of the upper plate An opening communicating with the portion is formed (claim 2 ).

  According to the tea leaf plucking machine according to the present invention, the tea leaf plucking machine having a simple structure capable of directly feeding the branches and leaves discharged from the transport duct to the storage device or the cutting device by having the above-described characteristics. Can do.

The tea leaf picking machine at the time of the harvest work state concerning the 1st embodiment of the present invention is shown, the figure (a) is a top view of the tea leaf picking machine, the figure (b) is a front view of the tea leaf picking machine, The figure (c) is a side view of a tea leaf picking machine. The explanatory view of the state which the accommodation device was developed is shown, the figure (a) is a perspective view of the accommodation device in the development state, and the figure (b) of the accommodation device for explaining the internal structure of the accommodation device. It is a perspective view. The side view of the accommodation apparatus in the tea leaf picking machine at the time of a harvesting operation is shown. The perspective view of the accommodation apparatus of the folded state is shown. The side view of the tea leaf picking machine at the time of non-working is shown. The tea leaf picking machine with which the harvesting and discarding apparatus concerning 2nd Embodiment of this invention was mounted | worn is shown, The figure (a) is a rear view of a tea leaf picking machine, The figure (b) is a side view of a tea leaf picking machine. It is.

  Hereinafter, a preferred embodiment of the present invention will be described with reference to FIGS. In this embodiment, a description will be given of a riding-type tea leaf plucking machine as an example.

[First embodiment]
First, a tea leaf plucking machine according to the first embodiment of the present invention will be described. As shown in FIG. 1 (a) (plan view), FIG. 1 (b) (front view), and FIG. 1 (c) (side view), the tea leaf plucking machine 1 is a traveling vehicle body that travels forward while straddling a tea tree cocoon. 10, a cutting device 40 disposed on the rear side of the traveling vehicle body 10, and a storage device 50 that is provided at the rear of the traveling vehicle body 10 and conveys and stores branches and leaves cut by the cutting device 40 by airflow. It has.

  The traveling vehicle body 10 includes a front frame 12 and a rear frame 13 formed in a gate shape so as to travel while straddling a tea tree casket, and a pair of left and right upper connection frames 14 and a lower portion that connect the front frame 12 and the rear frame 13. The connecting frame 15 is provided.

  The front frame 12 and the rear frame 13 are opposed to each other in a state of being separated from each other in the front-rear direction of the body, and have a left-right divided structure so that the gauge can be expanded and contracted in the left-right direction of the body. The front frame 12 and the rear frame 13 are provided with hydraulic gauge expansion / contraction cylinders, and the gauges of the front frame 12 and the rear frame 13 can be expanded / contracted by the expansion / contraction of the gauge expansion / contraction cylinders.

  A pair of left and right lower connecting frames extending in the longitudinal direction of the fuselage between the lower end portions of the leg portions extending in the vertical direction on both the left and right sides of the front frame 12 and the lower end portions of the leg portions extending in the vertical direction on the left and right sides of the rear frame 13. 15 are connected. These lower connecting frames 15 are provided with a hydraulic traveling device 20 in which a crawler 19 is wound between a driving wheel 16 and a driven wheel 17. Above each traveling device 20, a hydraulic tank for supplying hydraulic pressure to the hydraulic actuator and a fuel tank for supplying fuel to a drive source described later are attached and fixed. In addition, the traveling device 20 is not limited to the one using a crawler, and may be one using a wheel, a rail type, or the like, for example.

  A pair of left and right upper connecting frames 14 are coupled between the left and right ends of the front frame 12 and the rear frame 13. A horizontal frame is laid between the inner sides of these upper connecting frames 14, and a floor plate portion 23 is stretched between the horizontal frame and the front frame 12.

  The floor plate portion 23 is disposed on the right front portion of the machine body, and a control portion 24 is disposed on the upper surface thereof. A blower and an engine unit are provided around the control unit 24.

  The control unit 24 is provided with various switches and the like for performing machine operation and tea garden management work (storage work). The control unit 24 is provided with a control seat 25, an operation handle 26, and various machine operation levers 27 for an operator to sit and perform machine operation and tea garden management work.

  An engine as a power source of the traveling vehicle body 10 is disposed in the engine unit. The blower generates wind (airflow), and the wind (airflow) is sent to the front side of the reaping device 40 via the blower duct 30 extending to the lower side of the machine body and then becomes upward pressure wind. The branches and stems, which are ejected from the blower outlet and are cut from the tea culm by the reaping device 40 via the conveying duct 31 extending upward, are blown away toward the rear of the machine body and accommodated in the accommodating device 50, and then released into the atmosphere. The

  The reaping device 40 is formed in a front view arc shape (or horizontal) in accordance with a tree shape for the purpose of plucking. On the lower side of the cutting device 40, a hydraulic cutting blade (clippers blade) for cutting branches and leaves and stems from the tea tree cocoon is attached so as to be able to reciprocate in the body width direction. The reaping device 40 is supported by an elevating device installed on the traveling vehicle body 10 so as to be movable up and down.

  Above the mowing apparatus 40, a transport duct 31 for conveying the trimmed leaves and trunk is provided, and on the rear side of the machine body of the mowing apparatus 40, an accommodation device 50 for accommodating the trimmed leaves and trunk is provided. Yes.

  As shown in FIGS. 2A, 2 </ b> B, and 3, the storage device 50 includes a container 51 formed in a rectangular parallelepiped shape and a lifting device 70 that lifts and lowers the container 51. The container 51 includes a back plate 52 that extends in the vertical direction and has a rectangular shape when viewed from the front, a top plate 54 that is provided at the upper end portion of the back plate 52 and extends rearward, and a lower end portion of the back plate 52. A lower plate 57 that is provided and extends rearward and has a rectangular shape in plan view, a housing body 61 connected between the upper plate 54 and the lower plate 57, and a rotation range of the upper plate 54 and the lower plate 57. And a link mechanism portion 64 that regulates.

  In the upper part of the back plate 52, rectangular holes 52a are provided adjacent to each other in the width direction, and these holes 52a are covered with a mesh-like net 53 that allows air to pass but does not allow tea tree branches and leaves to pass through. . The back plate 52 above the hole 52a is provided with a pair of communication holes 52b communicating with the upper end of the transport duct 31 in the width direction. For this reason, the branches and leaves of the tea tree flowing in the transport duct 31 are transported from the transport duct 31 into the housing body 61 through the communication hole 52b.

  The upper side of the upper plate 54 is pivotally connected to the upper end of the back plate 52 and is rotatable in the vertical direction. The upper plate 54 is provided with rectangular holes 54a (see FIG. 4) adjacent to each other in the width direction, and these holes 54a are covered with a mesh-like net 55 through which air passes. The net 55 is made of, for example, a synthetic resin material. The net 55 may be one obtained by punching metal on a part of an aluminum plate or one provided with air holes on a part of a sheet of vinyl material. The rotation range of the upper plate 54 is restricted by a link mechanism portion 64 described later.

  The lower plate 57 includes a lower frame 58 formed in a rectangular shape and a bottom plate portion (not shown) that is rotatably attached to the inner side of the lower frame 58. The front end of the lower frame 58 is pivotally connected to the lower end of the back plate 52 and can be pivoted up and down. The bottom plate portion is normally supported while being held inside the lower frame 58 and is integrated with the lower frame 58, and rotates together with the lower frame 58 in the vertical direction. The rotation range of the lower plate 57 is restricted by a link mechanism portion 64 described later.

  The bottom plate portion is pivotally connected to the moving end side of the lower frame 58 and can be pivoted in the vertical direction. Usually, the bottom plate portion is located on the same plane as the lower frame 58 and is opened inside the lower frame 58. An inner hole (not shown) is closed. One end of a wire 59 that maintains a state where the inner hole of the lower frame 58 is closed is connected to the bottom plate. The other end of the wire 59 extends to the cockpit side, and the wire 59 can be operated. When the wire 59 is operated, the bottom plate portion is rotated downward with respect to the lower frame 58 to open the inner hole portion, and the branches and leaves of the tea tree accommodated in the container 51 are discharged downward from the inner hole portion. can do.

  The housing body 61 connected between the upper plate 54 and the lower plate 57 is formed by a mesh 62 that is deformable through the air conveyed along with the branches and leaves of the tea tree by the conveying duct 31. The net 62 of the housing body 61 is made of, for example, a synthetic resin material. The housing body 61 may be one obtained by punching metal on a part of an aluminum plate or one provided with air holes on a part of a sheet of vinyl material. The accommodating drum 61 is detachably connected to the left ends of the upper plate 54 and the lower plate 57 and detachably connected to the right ends of the upper plate 54 and the lower plate 57. It has a body right 61b and a housing body rear 61c detachably connected to the rear ends of the upper plate 54 and the lower plate 57. The housing body left 61a, the housing body right 61b, and the housing body The rear 61c is continuously connected.

  The storage barrel portion 61a of the storage barrel 61 has a lower end connected to the left end of the back plate 52 and a lower end connected to the left end of the lower plate 57, and an upper end. Is detachably connected to the left end of the upper plate 54. FIG. 2A shows a state in which the upper end portion of the accommodation barrel portion left 61a is connected to the left end portion of the upper plate 54, and in FIG. 2B, the upper end portion of the accommodation barrel portion left 61a is the upper end portion. The state removed from the left end part of the board 54 is shown.

  In addition, the accommodation barrel portion right 61b of the accommodation barrel portion 61 has a front end connected to the right end of the back plate 52, a lower end connected to the right end of the lower plate 57, and an upper end. The upper plate 54 is detachably connected to the right end portion.

  The rear end 61c of the storage barrel 61 has a lower end connected to the rear end of the lower plate 57 and an upper end detachably connected to the rear end of the upper plate 54.

  The link mechanism portion 64 is pivotally connected at one end side to a flange portion 52c provided so as to project rearwardly on the lower side of the back plate 52 and pivots at the other end side in the width direction end portion of the upper plate 54. An upper link member 65 that is freely connected, and a lower link member 66 that is rotatably connected at one end side to the flange portion 52c and is rotatably connected at the other end side to the width direction end portion of the lower plate 57. Have.

  The upper link member 65 is configured to be able to maintain the state of extending in the substantially horizontal direction while restricting the upward rotation in a state where the upper plate 54 extends rearward in the substantially horizontal direction. That is, the upper plate 54 is rotatable between an unfolded position Pa1 extending rearward in the substantially horizontal direction by the upper link member 65 and a folding position Pa2 (see FIG. 4) extending downward along the back plate 52. is there.

  The lower link member 66 is configured to be able to maintain a state in which the lower plate 57 is tilted slightly upward from the horizontal direction while restricting rotation downward from the lower plate 57 and tilted slightly upward. Yes. That is, the lower plate 57 is positioned between the unfolded position Pb1 extending rearward while being slightly inclined upward by the lower link member 66 and the folding position Pb2 extending upward along the back plate 52 (see FIG. 4). It can rotate freely.

  When the upper plate 54 and the lower plate 57 are moved to the unfolded positions Pa1 and Pb1, the storage barrel 61 extends in the vertical direction, and the upper plate 54, the lower plate 57, the back plate 52, and the storage barrel 61 A space 68 capable of accommodating tea leaves and the like conveyed by the conveyance duct 31 is formed in the enclosed region.

  The container 51 configured as described above can be moved up and down by the lifting device 70. The elevating device 70 includes a first elevating arm 71 that rotatably connects the connecting column 35 erected at the rear portion of the tea leaf plucking machine 1 and the widthwise ends of the back plate 52 of the container 51, and a first elevating arm. 71, a second elevating arm 72 that is provided substantially in parallel with the connecting column 35 and rotatably connects the widthwise ends of the back plate 52 of the container 51, and the first elevating arm 71 is urged upward to energize the container. It has the raising / lowering cylinder 73 which moves 51 upwards. The telescopic operation of the elevating cylinder 73 can be operated from the cockpit 25.

  When accommodating leaves and the like in such an accommodation device 50, as shown in FIG. 3, the tea leaf plucking machine 1 is moved forward with the upper plate 54 and the lower plate 57 moved to the deployment positions Pa1 and Pb1. The branches and leaves cut by the cutting device 40 flow in the transport duct 31 by the air flow and are discharged into the space 68 of the container 51. Here, the air discharged from the transport duct 31 is discharged to the outside from the meshes 55 and 53 provided on the upper plate 54 and the back plate 52 and the mesh 62 of the housing body 61. Therefore, the branches and leaves discharged into the container 51 are separated from the air flow and moved to the bottom side of the container 51 due to their own weight.

  When the inside of the container 51 is filled with branches and leaves, the tea leaf plucking machine 1 is moved to a predetermined position in the field, the container 51 is lifted by the lifting device 70, and moved onto a loading platform such as a truck stopped at the predetermined position. The wire 59 is operated to rotate the bottom plate portion of the lower plate 57 to move the branches and leaves from the inner hole portion onto the loading platform.

  In this way, the branches and leaves discharged from the transport duct 31 are simply moved by moving the upper plate 54 and the lower plate 57 to the deployment positions Pa1 and Pb1 and attaching the accommodating body 61 to the upper plate 54, the lower plate 57, and the back plate 52. Can be formed. For this reason, the tea leaf separation frame which has been conventionally required can be eliminated, and the tea leaf plucking machine 1 having a simple structure can be provided.

  On the other hand, when storing the storage device 50, as shown in FIG. 4, the lower plate 57 is moved from the deployed position Pb1 to the folding position Pb2, and then the upper plate 54 is moved from the deployed position Pa1 to the folded position Pa2. . When the upper plate 54 and the lower plate 57 are rotated, the housing body 61 is deformed and folded. For this reason, the rotation of the upper plate 54 and the lower plate 57 is not restricted by the housing body 61.

  Thus, when storing the storage device 50, the upper plate 54 and the lower plate can be rotated while the storage body 61 is attached to the upper plate 54 and the lower plate 57. The operation is easy, and the labor of the storage operation can be reduced. Moreover, since the accommodating drum 61 is formed of a deformable net, the structure of the accommodating device 50 can be simplified, the cost of the accommodating device 50 can be reduced, and the weight can be reduced. Furthermore, since the storage device 50 is reduced in weight, it is possible to improve operability when the operator rotates the upper plate 54 and the lower plate 57.

  When storing the storage device 50, in order to make the storage barrel 61 easier to fold, the upper end of the storage barrel 61 is removed from the upper plate 54, and the other portions are left connected. The housing body 61 may be folded by rotating the plate 54 and the lower plate 57.

  Further, as shown in FIG. 5, when the storage device 50 is stored, the upper plate 54 and the lower plate 57 move to positions along the connecting pillar 35. For this reason, it can suppress that the front-back direction length of the tea leaf plucking machine 1 becomes large, and the possibility that the balance of the front-back direction of the tea leaf plucking machine 1 may worsen can be prevented.

  In the above-described embodiment, the case where the housing body 61 is connected to the back plate 52 is shown. However, the housing body 61 is formed in a cylindrical shape, and the upper plate 54, the lower plate 57, and the housing body 61. Thus, a space 68 that can accommodate branches and the like may be formed.

[Second Embodiment]
Next, a tea leaf picking machine according to a second embodiment of the present invention will be described with reference to FIG. 6 (a) (rear view) and FIG. 6 (b) (side view). In the second embodiment, a tea leaf plucking machine 1 equipped with a trimming device 75 will be described. In the second embodiment, only differences from the above-described first embodiment will be described, and the same reference numerals will be given to the same aspects as those in the first embodiment, and the description thereof will be omitted.

  As shown in FIGS. 6 (a) and 6 (b), the tea leaf plucking machine 1 has a trimming device 75 mounted on an upper plate 54 that is a part of the container 51. The trimming device 75 guides the branches and leaves of the tea plant that has been harvested by the harvesting device 40 to fall between the tea plantations. The trimming device 75 is mounted on the upper plate 54 that is supported by being moved to the deployment position Pa1, and is connected to the discharge port of the transport duct 31 and includes a carry-in member 76 that includes a separation port for ventilating to carry branches and leaves. A conveyance guide member 77 that is detachably attached to the lower part of the carry-in member 76 and conveys and guides the branches and leaves to the upper part of the tea cup, and a branch guide that is detachably attached to the lower part of the conveyance guide member 77 and the leaves and leaves of the tea tree And a drop guide member 78 for guiding the drop.

  The carry-in member 76 is formed in a box shape with openings at the top, front, and lower portions thereof, and the upper opening 76a (separation port) is covered by the net 55 (see FIG. 4) of the upper plate 54. Yes. A plurality of patch locks 79 are provided on the upper end of the outer periphery of the carry-in member 76, and the patch locks 79 are engaged with hooks provided on the outer periphery of the upper plate 54 so that the carry-in member 76 can be attached to and detached from the upper plate 54. It is attached. When the carry-in member 76 is attached to the upper plate 54, the opening 76 b that opens at the front portion of the carry-in member 76 communicates with the communication hole 52 b provided in the back plate 52. For this reason, the air discharged from the discharge port of the transport duct 31 and the branches and leaves flow into the carry-in member 76 through the communication hole 52b, and the air passes through the separation port and the net 55 (see FIG. 4) of the upper plate 54. To the outside. Therefore, the branches and leaves that have flowed into the carry-in member 76 can be separated and the branches and leaves can be dropped.

  The conveyance guide member 77 is inclined and extended outward in the width direction of the tea leaf plucking machine 1 as it extends downward, and is formed in a tapered funnel shape. A drop guide member 78 is connected to the lower end of the transport guide member 77.

  A pair of trimming devices 75 including a carry-in member 76, a conveyance guide member 77, and a drop guide member 78 are provided symmetrically in the width direction of the tea leaf plucking machine 1. For this reason, branches and leaves can be dropped between the ridges on both sides in the width direction of the ridge.

  Next, the case where the trimming device 75 is attached to the tea leaf plucking machine 1 will be described. First, at least the upper part of the housing body 61 (see FIG. 3) is removed from the upper plate 54 of the container 51. Then, the lower plate 57 is moved to the folding position Pb2, and the upper plate 54 is moved to the unfolding position Pa1. Then, the trimming device 75 is attached to both sides of the upper plate 54 in the width direction, and the mounting of the trimming device 75 to the tea leaf plucking machine 1 is completed.

  As described above, when the carry-in device 75 is attached to the upper plate 54, the trimming device 75 flows into the carry-in member 76 through the opening 76 a (separation port) on the upper portion of the carry-in member 76 and the net 55 of the upper plate 54. Can be discharged to the outside. For this reason, the branches and leaves that have flowed into the carry-in member 76 can be separated from the air, and the branches and leaves can be dropped. Therefore, the conventional tea leaf separation frame is not required, and the tea leaf picking machine 1 having a simple structure that can directly feed the branches and leaves discharged from the transport duct 31 to the trimming device 75 can be provided.

  In the above-described embodiment, the back plate 52 is formed in a plate shape, but is not limited thereto. The back plate 52 communicates with, for example, a frame that forms a hollow space inside, and a communication frame that is provided so as to form a communication hole 52b that communicates with the transport duct 31 at an upper portion inside the frame. It may be configured to have a mesh member capable of covering the space inside the frame body excluding the frame and allowing air to escape.

  In the above-described embodiment, the upper plate 54 is formed in a plate shape. However, the present invention is not limited to this. The upper plate 54 may be configured to include, for example, a frame body that forms a hole inside, and a mesh member that covers the hole of the frame body and allows air to escape. Note that the frame body may be formed in a U shape in plan view and a part of the frame body may be in a discontinuous state in addition to the continuous frame body.

  Moreover, this invention is not only applied to the tea leaf plucking machine 1, but can also be applied to, for example, a riding type plucking machine, a riding type pruning machine, an agricultural working machine, and the like.

DESCRIPTION OF SYMBOLS 1 Tea leaf picking machine 10 Traveling vehicle body 31 Conveyance duct 40 Harvesting device 52 Back plate 52b Communication hole part (hole part)
54 Upper plate 54a Hole 55 Net (mesh member)
57 Lower plate 61 Storage barrel 68 Space 75 Trimming device 76a, 76b Opening portion Pa1, Pb1 Deployment position

Claims (2)

Tea leaves provided with a cutting device that cuts off the branches and leaves of the tea tree facing the upper surface of the tea tree pod and a transport duct that conveys the branches and leaves of the tea tree cut by the cutting device on a traveling vehicle body that travels forward across the tea tree pod A plucking machine,
A back plate extending in the vertical direction on the rear side of the transport duct and having a hole portion communicating with the discharge port of the transport duct at the top is provided.
On the back plate above the hole portion, an upper plate is provided that is rotatably provided in the vertical direction and is supported at a deployment position extending rearward.
The lower plate below the hole is provided with a lower plate that is rotatably supported in the up and down direction and is supported at a deployment position extending to the rear side,
Between the upper plate and the lower plate and the back plate, a mesh-shaped and deformable accommodation barrel that allows air to escape from the branches and leaves containing air conveyed from the conveying duct is attached,
A space that can accommodate branches and leaves of tea tree conveyed by the conveyance duct is formed in a region surrounded by the upper plate, the lower plate, the back plate, and the accommodation body,
The upper plate is provided with a hole covered with a mesh member that allows air to escape from the branches and leaves containing air conveyed from the conveying duct ,
A trimming device is mounted on the upper plate for guiding the fallen leaves of the tea tree cut by the harvesting device between the bushes in a state where the housing body is removed from at least the upper plate. Tea leaf picking machine. When the trimming device is mounted on the upper plate, the upper portion of the trimming device is covered with an opening communicating with the hole provided in the back plate and the mesh member of the upper plate. The tea leaf plucking machine according to claim 1 , wherein an opening communicating with the hole is formed.

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