A machine for picking fruit and leaves from a tree by cutting around the fruit

Abstract

The application discloses a whole-branch fruit and leaf picking machine, and relates to the field of picking machines.The device provides a whole-branch fruit and leaf picking device which can pick fruits and leaves on a whole branch at one time, adopts a tubular knife to surround cutting, the tubular knife can rotate at high speed, when the whole branch passes through the tubular knife, the tubular knife cuts off the stems of the fruits and leaves around the branch, and the whole-branch fruit and leaf picking device is matched with a branch discharging system to automatically pick the fruits and leaves after the branch is fed, so that the whole-branch fruit and leaf picking device is simple, convenient and fast, and the fruits and leaves are not damaged.The whole-branch fruit and leaf picking machine comprises a surrounding cutting system, a branch discharging system and a corresponding power transmission system.The application is suitable for picking green flower pepper fruit, mulberry leaves and crops with similar growth structures.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of around cutting type whole branch fruit leaf picker, to picking machinery field. BACKGROUND

[0002] Pick fruit or leaf from plant branches, such as picking green pricklyash fruit, picking mulberry leaf, etc. At present, manual picking is mainly used, which is low in efficiency and poor in working environment, especially for prickly crops such as green pricklyash, which is also easy to be pricked.

[0003] In the prior art, CN201721561019 discloses a kind of semi-automatic hand-held saw type vine pepper picker;Prior art CN201820830017 discloses a kind of vine pepper picker, which uses a scraper to pick vine pepper. The above technology, instead of traditional manual scissors, can pick crops such as green pricklyash, which has a certain effect, but they can only pick single cluster of fruit, and cannot pick fruit and leaf on whole branches at one time, which is low in efficiency.

[0004] Invention content

[0005] The purpose of the present application is to provide a kind of around cutting type whole branch fruit leaf picker which can pick fruit and leaf on whole branches at one time.

[0006] The purpose of the present application is achieved by the fact that, according to the characteristics of fruit and leaf growth around the cross section of branches of crops such as pricklyash and mulberry leaf, the branches are fed into the inlet end of the pipe-shaped knife with a blade or saw teeth, and the pipe-shaped knife cuts off the stems of fruit and leaf from the cross section of the branches, achieving picking.

[0007] Preferably, a bushing pipe and an outer sleeve pipe are added outside the pipe-shaped knife, bearings and transmission wheels are added outside the outer sleeve pipe, or the outer sleeve pipe is placed in a hollow motor to rotate the pipe-shaped knife, so as to obtain better cutting effect.

[0008] Preferably, a pair of upper and lower clamping wheels are arranged at the outlet of the pipe-shaped knife, and the upper and lower clamping wheels rotate in opposite directions along a specific direction. The operator puts the branches to be picked into the pipe-shaped knife from the inlet end, the pipe-shaped knife cuts off the stems of fruit and leaf around the branches, and the corresponding pair of upper and lower clamping wheels drag the picked branches out of the pipe-shaped knife, completing the automatic picking of the whole branches.

[0009] The present application has the advantages that: due to the use of pipe-shaped knife around cutting, the pipe-shaped knife can rotate at high speed, and when the whole branch passes through, the pipe-shaped knife cuts off the stems of fruit and leaf around the branch, and cooperates with the branch outlet system to complete automatic picking after feeding the branches, which is simple, convenient and fast, and does not damage the fruit and leaf. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is the front view of the standard type of the present application

[0011] Figure 2 is a back view of the standard version of the present invention

[0012] Figure 3 is a top view of the standard version of the present invention

[0013] Figure 4 is a side view of the standard version of the present invention

[0014] Figure 5 is a top view of the rotary cutting unit of the present invention

[0015] Figure 6 is a front view of the rotary cutting unit of the present invention

[0016] Figure 7 is a front view of the compact version of the present invention

[0017] Figure 8 is a back view of the compact version of the present invention

[0018] Figure 9 is a front view of the internal structure of the compact version of the present invention

[0019] Figure 10 is a top view of the internal structure of the compact version of the present invention

[0020] Figure 11 is a front view of the simple version of the present invention without branch system

[0021] Figure 12 is a side view of the simple version of the present invention without branch system

[0022] Figure 13 is a front view of the hand-held version of the present invention

[0023] Figure 14 is a side view of the hand-held version of the present invention

[0024] Figure 15 is a front view of the simple hand-held version of the present invention

[0025] Figure 16 is a side view of the simple hand-held version of the present invention

[0026] Figure marked: tube-shaped knife 1, bushing tube 2, outer sleeve tube 3, bearing 4, transmission wheel 5, belt 6, rotary cutting total program frame 7, clamping wheel 8, clamping wheel upper shaft 9, clamping wheel lower shaft 10, gear 11, clamping wheel rotating shaft chain wheel 12, speed reducer chain wheel 13, chain 14, motor or engine pulley 15, speed reducer pulley 16, rack 17, cover 18, built-in worm 19, up and down worm gear 20, worm output transmission gear 21, motor or engine 22, speed reducer 23, battery 24, hollow shaft motor 25, clamping upper and lower shaft mounting slot 26, compact machine type shell 27, clamping rotating shaft bearing sleeve 28, spring 29, rotary cutting unit gear 30, handle 31, transmission wheel on the worm 32. Specific embodiments

[0027] The present application is further described below in conjunction with the accompanying drawings. Embodiments of the present application include, but are not limited to, the following examples.

[0028] Example 1

[0029] As shown in the figure, it is a standard type structure embodiment of the present application. Figures 1 to 6

[0030] A surrounding cutting type fruit and leaf pruning and picking machine, composed of a surrounding cutting system, a branch output system and a power transmission system.

[0031] The surrounding cutting system is composed of a rotary cutting total program frame 7 and several rotary cutting units. The rotary cutting total program frame has several rotary cutting unit mounting slots. Each rotary cutting unit is composed of a tube-shaped knife 1, a bushing tube 2, an outer sleeve tube 3, and a transmission wheel 5 between the bearings at both ends of the outer sleeve tube.

[0032] The tube-shaped knife 1 is hollow tubular, with a blade or serrated teeth at the branch entry end.

[0033] The outer diameter of the outer sleeve tube 3 is matched with the inner diameter of the bushing tube 2. Different inner diameters of the tube-shaped knife 1, matched with the same outer diameter of the bushing tube 2, can be placed in the same outer sleeve tube 3.

[0034] Preferably, the outer surface of the bushing tube 2 can be conical, and the inner hole of the outer sleeve tube 3 can also be conical.

[0035] ​The clamping wheel system is composed of the clamping wheel upper shaft 9, the clamping wheel lower shaft 10 and the clamping wheel 8 arranged on the clamping upper and lower shafts corresponding to each rotary cutting unit. Preferably, the clamping wheel upper shaft 9 and the clamping wheel lower shaft 10 are provided with clamping rotating shaft bearing sleeves 28 at both ends, and the clamping rotating shaft bearing sleeves 28 are arranged in the clamping upper and lower shaft mounting grooves 26 at both ends of the frame. Preferably, the clamping rotating shafts are pressed towards each other by springs 29. The diameters of the clamping wheels 8 can be arranged in equal differences, and the largest clamping wheel 8 corresponds to the rotary cutting unit where the tubular cutter 1 with the smallest inner diameter is located, and the smallest clamping wheel 8 corresponds to the rotary cutting unit where the tubular cutter 1 with the largest inner diameter is located. When the clamping wheel upper shaft 9 and the clamping wheel lower shaft 10 are arranged in parallel, the upper and lower clearances of the small clamping wheel 8 are large, the upper and lower clearances of the large clamping wheel 8 are small, and the clearances between the clamping wheels 8 are adapted to the size of the inner diameter of the tubular cutter 1 and the size of the branch.

[0036] The clamping wheel rotating shaft sprocket 12 arranged on the clamping wheel upper shaft 9 or the clamping wheel lower shaft 10 is connected with the speed reducer sprocket 13 on the output shaft of the transmission system through the chain 14. The same end of the clamping wheel upper shaft 9 and the clamping wheel lower shaft 10 is provided with a pair of meshing gears 11 to realize the reverse rotation of the clamping wheel upper shaft 9 and the clamping wheel lower shaft 10.

[0037] The power transmission system is composed of the motor or engine 22, the motor or engine belt pulley 15, the speed reducer 23, the speed reducer belt pulley 16 and the speed reducer sprocket 13.

[0038] Preferably, the motor or engine belt pulley 15 and the speed reducer belt pulley 16 are both double grooves, one groove is used for connecting and driving each other by the belt 6, and the other groove is respectively connected and driven with the transmission wheel 5 on one or two rotary cutting units. The speed reducer sprocket 13 drives the clamping wheel rotating shaft sprocket 12 arranged on the clamping wheel upper shaft 9 or the clamping wheel lower shaft 10 through the chain 14.

[0039] Example 2

[0040] As shown in the figure, it is a compact embodiment of the present application. Figures 7 to 10

[0041] In the compact machine design, a worm is arranged at the same end of the clamping wheel upper shaft 9 and the clamping wheel lower shaft 10, and the upper and lower worms 20 are meshed with the built-in worm 19 located therebetween. The built-in worm 19 drives the clamping wheel upper shaft 9 and the clamping wheel lower shaft 10 to rotate in reverse directions through the upper and lower worms 20.

[0042] In the compact machine, the motor or engine belt pulley 15 is connected and driven with the transmission wheel 32 on the worm through the transmission belt, to drive the built-in worm 19. The built-in worm 19 drives the upper and lower worms 20, and the worm output transmission gear 21 is meshed with the gear 30 of the adjacent rotary cutting unit. The gears 30 of the rotary cutting units are also meshed with each other. The compact embodiment adopts the built-in worm and gear mode, so that the volume of the present application is reduced.​

[0043] Example 3

[0044] As shown in Figure 11 and Figure 12 , the simple embodiment of the present application without branch stripping system.

[0045] The motor or engine 22 is mounted on the frame 17, and the motor or engine pulley 15 drives the transmission pulley 5 on the two rotary cutting units through the belt 6, and then drives the tubular cutter 1 to rotate. The battery 24 is only installed when the motor is a direct current motor. The branches to be picked are manually fed into the inlet of the tubular cutter, and then manually pulled out from the outlet end. Since the branch stripping system is not installed, only the surrounding cutting system is retained, and the transmission system is also simplified, thereby reducing the weight and adapting to mountain or field operation.

[0046] Example 4

[0047] As shown in Figure 13 and Figure 14 , the handheld embodiment of the present application.

[0048] The bushing pipe 2 and the tubular cutter 1 are installed in the hollow shaft motor 25, and the handle 31 is connected with the hollow motor shell to form a handheld surrounding cutting and pruning fruit leaf picking machine.

[0049] Example 5

[0050] When the stems of fruit leaves are easily cut off, the tubular cutter 1 can not rotate, and the handle 31 is directly connected with the outer sleeve pipe 3 to form a more simple handheld surrounding cutting and pruning fruit leaf picking machine.

[0051] The above is only to illustrate some principles of the surrounding cutting type pruning fruit leaf picking machine of the present application, and is not intended to limit the present application to the specific structures and application ranges shown and described. All possible corresponding modifications and equivalents belong to the patent scope of the present application.

Claims

1. A machine for picking fruit and leaves from a tree by circumferential cutting, characterized in that, The application relates to a picking and pruning fruit and leaf ring-around cutting type pruning and picking machine, which comprises a standard type, a compact type, a simple type and a handheld type, wherein the standard type and the compact type are composed of a ring-around cutting system, a branch outlet system and a corresponding power transmission system; the simple type is composed of the ring-around cutting system and the corresponding power transmission system; the handheld type is composed of a handle, the ring-around cutting system or the handle, the ring-around cutting system and the corresponding power transmission system; the ring-around cutting system comprises a tubular knife in a hollow pipe shape, the branch inlet end of the tubular knife is in a blade edge or has serrated fine teeth, a bushing pipe and an outer sleeve pipe are additionally arranged outside the tubular knife, and the inner diameter of the outer sleeve pipe and the outer diameter of the bushing pipe are matched; the ring-around cutting system is provided with one bearing (4) at each end of the outer sleeve pipe (3), a transmission wheel (5) is arranged between the two bearings, and a rotary cutting unit is formed to rotate the tubular knife (1) to perform ring-around cutting; the ring-around cutting system is installed on a rotary cutting total stroke frame (7), and the inner diameters of the tubular knives (1) of the rotary cutting units are different to adapt to branches of different sizes; the branch outlet system is composed of a clamping wheel upper shaft (9), a clamping wheel lower shaft (10) and a clamping wheel (8) arranged on the clamping wheel upper shaft and the clamping wheel lower shaft corresponding to each rotary cutting unit, square clamping rotating shaft bearing sleeves (28) are arranged at the two ends of the clamping wheel upper shaft (9) and the clamping wheel lower shaft (10), the clamping rotating shaft bearing sleeves (28) are arranged in clamping upper and lower shaft installation grooves (26) located at the two ends of a frame (17), the clamping wheel upper shaft (9) is pressed towards the clamping wheel lower shaft by a spring (29) or the clamping wheel lower shaft (10) is pressed towards the clamping wheel upper shaft by the spring (29), the diameters of the clamping wheels (8) can be arranged in an arithmetic progression, the largest clamping wheel (8) corresponds to the rotary cutting unit where the tubular knife (1) with the smallest inner diameter is located, and the smallest clamping wheel (8) corresponds to the rotary cutting unit where the tubular knife (1) with the largest inner diameter is located, when the clamping wheel upper shaft (9) and the clamping wheel lower shaft (10) are arranged in parallel, the upper and lower clearances of the small clamping wheel (8) are large, the upper and lower clearances of the large clamping wheel (8) are small, and the clearances between the clamping wheels (8) are matched with the inner diameters of the tubular knives (1) and the sizes of branches; in the compact type machine model design, one worm wheel is arranged at the same end of the clamping wheel upper shaft (9) and the clamping wheel lower shaft (10), the upper and lower worm wheels (20) are meshed with an internally arranged worm (19) located in the middle, and the clamping wheel upper shaft (9) and the clamping wheel lower shaft (10) are driven to rotate reversely by the worm through the worm wheel.

2. The around-cutting type of fruit and leaf picking machine as claimed in claim 1, wherein: The tubular knives (1) with different inner diameters are matched with the bushing pipes (2) with the same outer diameter, and can be placed in the outer sleeve pipe (3) to facilitate replacement.

3. The around-cutting type of fruit and leaf picking machine as claimed in claim 1, wherein: The ring-around cutting system is installed in a hollow shaft motor (25) to rotate the tubular knife (1) to perform ring-around cutting; the hollow shaft motor (25), the bushing pipe (2) and the tubular knife (1) form a rotary cutting unit; the hollow shaft motor (25), the bushing pipe (2) and the tubular knife (1) and the handle (31) form a handheld picking and pruning fruit and leaf ring-around cutting type pruning and picking machine.

4. The around-cutting type of fruit and leaf picking machine as claimed in claim 1, wherein: The clamping wheel rotation shaft sprocket (12) installed on the clamping wheel lower shaft (10) or the clamping wheel upper shaft (9) is connected with the reduction machine sprocket (13) on the output shaft of the transmission system through the chain (14), a pair of meshing gears (11) are arranged at the same end of the clamping wheel upper shaft (9) and the clamping wheel lower shaft (10) to realize the reverse rotation of the clamping wheel upper shaft (9) and the clamping wheel (8) thereof and the clamping wheel lower shaft (10) and the clamping wheel (8) thereof; in the compact model design, a worm gear is arranged at the same end of the clamping wheel upper shaft (9) and the clamping wheel lower shaft (10), the upper and lower worm gears (20) are meshed with the built-in worm (19) located therebetween, and the clamping wheel upper shaft (9) and the clamping wheel lower shaft (10) are driven to rotate reversely by the worm through the worm gears.

5. The ring cutter as claimed in claim 1, wherein: The power transmission system is composed of a motor or engine (22), a motor or engine pulley (15), a reduction machine (23), a reduction machine pulley (16) and a reduction machine sprocket (13) on the output shaft of the reduction machine, the motor or engine pulley (15) and the reduction machine pulley (16) are both double-groove, one groove is used for connecting and driving each other through the belt (6), and the other groove is connected with one or two transmission wheels (5) to drive each other, the reduction machine sprocket (13) on the output shaft of the reduction machine drives the clamping wheel rotation shaft sprocket (12) located on the lower clamping shaft or the upper clamping shaft through the chain (14); in the compact model, the motor or engine, the motor or engine pulley and the transmission wheel (32) on the worm are connected and driven through the belt (6), to drive the built-in worm (19), the built-in worm (19) drives the worm gears located on the clamping wheel upper shaft and the clamping wheel lower shaft, the worm output transmission gear (21) on the worm is meshed with the gear (30) of the adjacent rotary cutting unit, and the gears (30) of the rotary cutting units are also meshed with each other.

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