CN220733580U - Spiral bow tooth disengaging mechanism of pepper harvester - Google Patents

Abstract

The utility model belongs to the field of mechanical equipment, relates to crop harvester equipment, and in particular relates to a spiral arch tooth disengaging mechanism of a pepper harvester, which comprises a harvesting machine shell, a seedling dividing component, a separating component, two groups of transmission components and a driving component, wherein through the effective matching of the components, branches can be kept upright in the pepper harvesting process, the branches are not overlapped and extruded, so that the content of broken branches in the harvested peppers is low, and the impurity content is low; meanwhile, the net picking rate of the peppers is greatly improved through the arch teeth groups which are spirally distributed on the separation assembly, the integrity of the peppers after harvesting is ensured, and the breakage rate is reduced; in addition, in the whole pepper picking process, peppers separated from branches fall onto the conveying assembly by means of self inertia, and the pepper picking machine is convenient and efficient.

Description

Spiral bow tooth disengaging mechanism of pepper harvester

Technical Field

The application belongs to the field of mechanical equipment, relates to crop harvester equipment, and in particular relates to a spiral bow tooth disengaging mechanism of a pepper harvester.

Background

The capsicum is a herb plant which grows for one year or more than a limited year, the fruit is generally conical or oblong, green when immature, and red when mature; the capsicum peel contains capsaicin, so that the capsicum peel can promote appetite and is widely loved by people.

After the peppers are ripe, the peppers need to be collected and harvested, and the traditional technology relies on manpower collection, so that time and labor are wasted, and the efficiency is low; in the related art, a pepper harvester is generally selected for harvesting peppers, and compared with the manual work, the efficiency is higher.

The pepper harvester in the related art basically adopts the following separating mechanisms:

1. screw rod type separating mechanism: when the pepper harvester advances along the pepper, the pepper enters a separation mechanism of the pepper harvester, and the rotating screw rod continuously knocks the branch stalks, so that the pepper is separated from the branch stalks; but the capsicum is comparatively firm with branch stalk connection, adopts above-mentioned structure to pick the separation to the capsicum, and the rate of collecting of capsicum is lower, often leaves more capsicum on the branch stalk of abandonment, causes the waste.

2. Comb-tooth type separating mechanism: when the pepper harvester advances along the peppers, the comb teeth are inserted into the branches, so that the peppers are forcefully smoothed down, and the peppers are separated from the branches; the mechanism has high production efficiency and high clean rate, but the comb teeth have larger damage to the peppers, and the peppers are easy to damage.

3. Roller type separating mechanism: firstly cutting off the branch stalks from the root, and then conveying the branch stalks with fruits to a drum-type separating mechanism to realize the separation of the fruits and the stems; however, the mechanism is only suitable for harvesting short, small and fine peppers, and aims at the problems that long, large and thick peppers are damaged greatly, broken highly and the like; meanwhile, the mechanism can push and cut off the branches, so that more broken stems in the peppers can be caused.

The above three kinds of pepper harvester separating mechanisms all have corresponding problems, so that it is necessary to provide a separating mechanism with high yield, low impurity content and small damage to peppers.

Disclosure of Invention

In order to solve the problems of low net picking rate, high impurity content and large damage to the peppers of the pepper separating mechanism in the related art, the application provides a spiral bow tooth separating mechanism of a pepper harvester, which adopts a bow tooth group in spiral distribution to separate the peppers, and branches always keep upright in the separation process, so that the net picking rate of the peppers is high, the impurity content is low, and the damage to the peppers is small.

The application provides a hot pepper harvester spiral bow tooth breaks away from mechanism adopts following technical scheme:

a pepper harvester helical arch tooth disengagement mechanism comprising:

harvesting a shell: the bottom is provided with a guide groove;

a seedling dividing assembly: the harvester is positioned at the advancing end of the harvester shell;

separation assembly: is positioned at the center of the harvester shell;

two sets of transmission components: are respectively positioned at two sides of the separation assembly;

the separation assembly comprises a main separation shaft and a secondary separation shaft which are parallel to each other, and the axial direction of the main separation shaft is the same as the length direction of the guide groove; the harvesting machine shell is provided with a mounting frame, and the main separation shaft and the secondary separation shaft are rotationally connected to the mounting frame; the main separation shaft and the auxiliary separation shaft are respectively provided with a spiral arch tooth group; the arch teeth group on the main separation shaft spirals in the anticlockwise direction, and the arch teeth group on the secondary separation shaft spirals in the clockwise direction; the main release shaft rotates clockwise and the release shaft rotates anticlockwise.

In a specific embodiment, the arch teeth on the main separating shaft and the secondary separating shaft are provided with two groups.

In a specific embodiment, the pitch of each set of arches is 300mm.

In a specific embodiment, the arch tooth comprises a connecting portion and an extending portion, an included angle of 25 ° -35 ° is formed between the connecting portion and the extending portion, and an outer portion of the included angle is a bent angle.

In a specific embodiment, the arch teeth on the left side of the main separation axis are rotationally offset forward about the extension and the arch teeth on the right side are rotationally offset rearward about the extension; the arch teeth on the left side of the separation shaft are rotationally offset rearward with the extension portion as an axis, and the arch teeth on the right side are rotationally offset forward with the extension portion as an axis.

In a specific embodiment, the arcuate tooth is rotationally offset by an angle of 12 to 15 °.

The application has the following beneficial technical effects:

when the pepper is separated, the branches are firstly combed and separated by the seedling separating component, and then gradually separated under the action of the arch teeth group on the main separating shaft and the auxiliary separating shaft; picking the separated peppers for rearward delivery via a delivery assembly; the application adopts the bow tooth group to separate the chilli, has following advantage: (1) In the pepper harvesting process, the branches are kept upright, the branches are not overlapped, the branches are not extruded, the content of broken residues of the branches is low, and the impurity content is low; (2) The arch tooth groups distributed in a spiral way greatly increase the net picking rate of the peppers, and ensure that the damage rate of the peppers after harvesting is low; (3) The bow-tooth group separates the peppers, and after the peppers are picked, the peppers can fall onto the conveying assembly by virtue of self inertia, so that the peppers are convenient and efficient, and the technical problems in the related technology are properly optimized;

the bow teeth groups are provided with two groups, so that the peppers are picked fully, and the picking rate is high;

the bow tooth extension part and the connecting part form an included angle of 25-35 degrees, and the outside of the included angle is a bent angle, so that the high net picking rate is ensured, and meanwhile, the capsicum is not damaged;

the arch teeth are preferably arranged to rotate by 12-15 degrees, so that the collection and separation efficiency of the capsicum is higher.

Drawings

Fig. 1 is a schematic overall structure of a helical arch tooth disengaging mechanism of a pepper harvester according to an embodiment of the application;

FIG. 2 is a schematic structural view of a master release shaft and a slave release shaft; (the arrow direction in the figure is the feeding direction of the branches)

Fig. 3 is an enlarged view of a portion a in fig. 2;

fig. 4 is an enlarged view of a portion B in fig. 2;

FIG. 5 is a schematic view of a partial structure for embodying a drive assembly;

FIG. 6 is a schematic diagram of a partial structure for embodying a transmission assembly;

fig. 7 is an enlarged view of a portion C in fig. 6.

Reference numerals illustrate: 1. harvesting the shell; 11. a mounting frame; 12. a guide groove; 13. a mounting plate; 14. a guide gear; 2. a seedling dividing assembly; 21. a seedling dividing tip; 3. a transmission assembly; 31. a conveyor belt; 311. a baffle; 32. a drive roll; 33. driven roller; 34. a power hydraulic motor; 35. a connecting shaft; 36. a transmission gear; 37. a power gear; 4. a separation assembly; 41. a main separation shaft; 411. a connecting gear; 42. from the separation axis; 43. a set of arches; 431. arch teeth; 432. an extension; 433. a connection part; 5. a drive assembly; 51. a main gear; 52. a slave gear; 53. driving a hydraulic motor; 531. and a drive gear.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The embodiment of the application discloses a spiral bow tooth disengaging mechanism of a pepper harvester. Referring to fig. 1, the helical bow tooth disengaging mechanism of the pepper harvester comprises a harvesting machine shell 1, a seedling dividing assembly 2, a transmission assembly 3, a separation assembly 4 and a driving assembly 5; with reference to fig. 1, a front end of the harvesting machine shell 1, namely, an end far away from the body of the pepper harvester is provided with a seedling dividing component 2 for carding and guiding branches into the harvesting machine shell 1; one end of the harvesting machine shell 1, which is close to the body of the pepper harvester, is transversely clamped with a mounting frame 11; one side of the mounting frame 11 facing the pepper harvester body is provided with a driving component 5, and the middle position of the other side is provided with a separating component 4; the separation assembly 4 is in transmission connection with the driving assembly 5 through the mounting frame 11; the two sides of the separation assembly 4 are respectively provided with a transmission assembly 3.

Referring to fig. 2, the separation assembly 4 includes a main separation shaft 41 and a sub-separation shaft 42, the main separation shaft 41 and the sub-separation shaft 42 being disposed in parallel, both of which are rotatably coupled to the mounting frame 11 and both of which have the same axial direction as the traveling direction of the pepper harvester; the circumferential walls of the main separation shaft 41 and the auxiliary separation shaft 42 are respectively provided with an arch tooth group 43; the set of archteeth 43 is made up of a row of archteeth 431; the length of the arch teeth 431 is slightly longer than the diameter of a common pepper, preferably 15-20cm, and under the length range, the pepper can be separated efficiently and is not easy to damage; the distance between two adjacent archteeth 431 does not exceed 300mm to reduce the probability of a pepper getting stuck between the two archteeth 431.

Referring to fig. 2, 3 and 4, the number of the arch teeth groups 43 is two, each arch teeth group 43 is spirally distributed, and the pitch is 300mm; the arch teeth 431 comprise a connecting part 433 and an extending part 432, the connecting part 433 is fixedly connected with the main separating shaft 41 or the secondary separating shaft 42, an included angle of 30 degrees is formed between the connecting part 433 and the extending part 432, and the outside of the included angle is a bent angle so as to reduce damage to the peppers; the end of the extension 432 remote from the connection 433 extends toward the main release shaft 41 or the slave release shaft 42.

Referring to fig. 2, 3 and 4, the arch teeth 431 located at the left side of the main separation shaft 41 are rotated forward by 15 ° with the extension 433 as an axis, and the arch teeth 431 located at the right side are rotated backward by 15 ° with the extension 433 as an axis; the arch teeth 431 located on the left side of the separation shaft 42 are rotated rearward by 15 ° with the extension 433 as an axis, and the arch teeth 431 located on the right side are rotated forward by 15 ° with the extension 433 as an axis; the torque of the arch 431 itself can be adjusted according to the actual harvesting operation, preferably 60, 80 or 100mm.

Referring to fig. 5, the driving assembly 5 includes a main gear 51, a sub gear 52 and a driving hydraulic motor 53, a hydraulic motor housing of the driving hydraulic motor 53 is fixed on the mounting frame 11, a driving gear 531 is coaxially and fixedly connected to a hydraulic motor shaft of the driving hydraulic motor 53, a connection gear 411 is coaxially and fixedly connected to an end portion of the main separation shaft 41, and the driving gear 531 is connected to the connection gear 411 through a chain; the main gear 51 is fixedly connected coaxially to the main release shaft 41 and meshes with the sub gear 52, and the sub gear 52 is fixedly connected coaxially to the sub release shaft 42.

When the driving assembly 5 works, the driving hydraulic motor 53 drives the main separating shaft 41 to rotate, and the main separating shaft 41 and the auxiliary separating shaft 42 are meshed through the main gear 51 and the auxiliary gear 52, so that the main separating shaft 41 is driven to rotate clockwise along the direction shown in fig. 3, the auxiliary separating shaft 42 rotates anticlockwise along the direction shown in fig. 3, and the branch stalks are close to the direction close to the pepper harvester body under the action of the spiral arch tooth group 43, at the moment, the arch tooth group 43 plays a role in separating peppers, plays a stirring role on the branch stalks, and can also ensure that the branch stalks are always upright and do not overlap in the advancing process of the harvester, so that the separation efficiency of peppers is greatly increased. In addition, a gap is reserved between the main separation shaft 41 and the auxiliary separation shaft 42, and the bottom of the harvesting machine shell 1 is provided with the guide groove 12, so that after the stalks are combed by the stalk separating assembly 2 arranged at the advancing end of the harvesting machine shell 1, the stalks enter the space between the main separation shaft 41 and the auxiliary separation shaft 42 through the guide groove 12, and the separation of the peppers and the stalks is completed under the action of the bow-tooth group 43, and the separated peppers are dialled to fall onto the transmission assemblies 3 at two sides under the separation action of the bow-tooth group 43.

Referring to fig. 1 or 7, the seedling dividing assembly 2 comprises a pair of seedling dividing tips 21, wherein the pair of seedling dividing tips 21 are oppositely arranged at one end of the harvesting machine shell 1 far away from the pepper harvester body, the tips of the pair of seedling dividing tips 21 are far away from the harvesting machine shell 1, and the included angle of the inner walls of the seedling dividing tips 21 is about 30 degrees, so that the stalks can be conveniently divided and combed.

Referring to fig. 6, the transmission assembly 3 includes a conveyor belt 31, a driving roller 32, a driven roller 33, and a power member, the driving roller 32 and the driven roller 33 are both rotatably connected in the harvester housing 1, and the axial directions of the driving roller and the driven roller are perpendicular to the length direction of the guide groove 12; the conveyor belt 31 is wound around the peripheral walls of the driving roller 32 and the driven roller 33.

Referring to fig. 6, in order to reduce the probability of rolling the peppers on the conveyor belt 31, a set of baffles 311 are provided on the conveyor belt 31 of the present application, and the baffles 311 are disposed perpendicular to the conveying direction of the conveyor belt 31 and uniformly distributed so as to more smoothly and conveniently convey the peppers.

Referring to fig. 6 and 7, a connecting shaft 35 is coaxially and fixedly connected between the two driving rolls 32 of the two groups of transmission assemblies 3, a transmission gear 36 is coaxially and fixedly connected to the middle part of the connecting shaft 35, the power piece comprises a power hydraulic motor 34, a power gear 37 is coaxially and fixedly connected to the hydraulic motor shaft of the power hydraulic motor 34, and the power gear 37 and the transmission gear 36 are connected through a chain; in order to facilitate the installation, maintenance, tightness and the like of the chain, the top of the harvester shell 1 is also movably connected with a guide gear 14, and the chain is meshed among the guide gear 14, a power gear 37 and a transmission gear 36 in a surrounding manner. The harvesting machine shell 1 is provided with a mounting plate 13 at the top of one end close to the pepper cargo receiver body, and the power hydraulic motor 34 and the guide gear 14 are both arranged on the mounting plate 13.

The implementation principle of the spiral arch tooth disengaging mechanism of the pepper harvester is as follows: when the peppers are harvested, the pepper harvester and the arch tooth disengaging mechanism travel together; first, a pair of seedling dividing tips 21 comb and guide the stalks; after passing through the seedling separating tip 21, the stalks enter between the main separating shaft 41 and the secondary separating shaft 42, at this time, the hydraulic motor 53 is driven to drive the main separating shaft 41 to rotate clockwise along the direction shown in fig. 3, the main gear 51 rotates synchronously with the main separating shaft 41 and drives the secondary gear 52 to rotate, the secondary separating shaft 42 rotates anticlockwise along the direction shown in fig. 3 with the secondary gear 52, and in the process of rotating the main separating shaft 41 and the secondary separating shaft 42 relatively, the arch teeth group 43 separates the peppers on the stalks and harvests the separated peppers on the conveying belt 31; the power hydraulic motor 34 drives the power gear 37 to rotate, the power gear 37 drives the transmission gear 36 to rotate under the action of a chain, and the connecting shaft 35 and the transmission gear 36 synchronously rotate, so that the two driving rollers 32 are driven to rotate, and the conveyor belt 31 transmits the separated peppers to a direction approaching to a harvester body under the action of the driving rollers 32 and the driven rollers 33.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. A helical bow tooth disengagement mechanism of a pepper harvester, comprising:

harvester shell (1): the bottom is provided with a guide groove (12);

seedling separating component (2): the harvester is positioned at the advancing end of the harvester shell (1);

separation assembly (4): is positioned at the center of the harvesting machine shell (1);

two sets of transmission assemblies (3): are respectively positioned at two sides of the separation assembly (4);

the separation assembly (4) comprises a main separation shaft (41) and a secondary separation shaft (42) which are parallel to each other, and the axial direction of the main separation shaft (41) is the same as the length direction of the guide groove (12); the harvester shell (1) is provided with a mounting frame (11), and the main separation shaft (41) and the secondary separation shaft (42) are rotatably connected to the mounting frame (11); the main separation shaft (41) and the auxiliary separation shaft (42) are respectively provided with a plurality of arch teeth (431) which form arch teeth groups (43) in spiral distribution; the arch teeth group (43) on the main separation shaft (41) spirals in a counterclockwise direction, and the arch teeth group (43) on the secondary separation shaft (42) spirals in a clockwise direction; by means of the drive assembly (5), the main release shaft (41) rotates clockwise and the release shaft (42) rotates anticlockwise.

2. A pepper harvester helical arch tooth disengaging mechanism as recited in claim 1, further characterized in that: the main separation shaft (41) and the secondary separation shaft (42) are respectively provided with two groups of arch teeth (43).

3. A pepper harvester as in claim 2, further comprising a helical tooth disengagement mechanism, wherein: the pitch of each set of arches (43) is 300mm.

4. A pepper harvester helical arch tooth disengaging mechanism as recited in claim 1, further characterized in that: the arch teeth (431) comprise connecting parts (433) and extending parts (432), an included angle of 25-35 degrees is formed between the connecting parts (433) and the extending parts (432), and the outside of the included angle is a bent angle.

5. A pepper harvester helical arch tooth disengaging mechanism as recited in claim 1, further characterized in that: the arch teeth (431) positioned on the left side of the main separation shaft (41) rotate forwards by taking the extension part (432) as an axis, and the arch teeth (431) on the right side rotate backwards by taking the extension part (432) as an axis; the arch teeth (431) positioned on the left side of the separation shaft (42) are rotationally deviated backward by taking the extension part (432) as an axis, and the arch teeth (431) positioned on the right side are rotationally deviated forward by taking the extension part (432) as an axis.

6. A pepper harvester helical arch tooth disengaging mechanism as recited in claim 1, further characterized in that: the bow teeth (431) are rotationally offset by an angle of 12-15 deg..