CN220799132U - Header mechanism of melon beating machine - Google Patents

Abstract

The utility model provides a header mechanism of a melon peeling machine, which comprises a header and a collecting bin, wherein the header comprises a header bracket, a seedling peeling assembly, a melon separating device, a melon picking assembly and a melon picking assembly, the melon picking assembly comprises a melon picking roller and a plurality of melon binding teeth, one side, close to the melon picking assembly, of the bottom of the collecting bin is provided with a flail knife assembly, the flail knife assembly comprises a plurality of rotatable blades which are arranged along the axial direction of a melon picking main shaft, the blades can extend to the lower rear part of the melon picking assembly when rotating, the seedling picking assembly is arranged at the upper part of the melon picking assembly, a header conveying belt is arranged at the front part of the seedling picking assembly, a melon peeling device is arranged between the seedling picking assembly and the melon picking assembly, and the seedling picking assembly comprises a seedling picking shaft and a plurality of seedling picking rubber plates which are sequentially arranged along the seedling picking shaft. The mechanism has the advantages of reasonable overall design structure, stable operation and good melon and seedling separation effect.

Description

Header mechanism of melon beating machine

Technical Field

The utility model relates to the technical field related to agricultural machinery, in particular to a header mechanism of a melon threshing machine.

Background

The melon threshing machine is mainly used for grain harvesting operation of melons such as cucurbits, melon threshing and seed melon, and can be used for harvesting various melon crops growing on the ground.

The melon harvesting machine mainly uses a front header to harvest in the harvesting operation process, the header generally comprises a seedling harvesting structure, a melon dividing device, a melon picking structure, a weeding structure and the like, the header is used for separating the melon from seedling grass in the advancing process through the swing of the seedling harvesting structure, the melon is collected by inserting the melon binding teeth of the melon picking structure into the melon, and then the melon is conveyed to the weeding structure position on the upper portion along with the rotation of the melon picking structure, weeding and melon removing actions are realized at the position, and the fallen melon falls into the collecting bin on the rear.

In the front header structure of the existing melon peeler, the main problems are as follows:

1. Because the melon picking structure is used for picking up part of seedling grass along with the melon, a complex weeding structure is required to be arranged to separate the melon from the seedling, but the weeding structure is generally only arranged above the melon picking structure and at the position of the melon removing device, and the melon picking structure is used for driving the melon to enter the melon removing device, and the corresponding grass and seedling beating structure is not arranged within the distance from the melon picking structure to enter the melon removing device, so that a large amount of long grass and long seedling enter the melon removing device along with the melon, the problems of large follow-up weeding amount and unsatisfactory weeding effect are caused, and the seedling grass after melon seedling separation is difficult to be discharged in time.

2. The seedling beating structure positioned at the front part of the header mainly separates melon seedlings through the throwing of a throwing belt, the throwing belt is wound and fixed on a corresponding pin shaft after being bent and folded at the end part, and the bending and folding part is easy to break in the throwing process, so that the service life is short and frequent maintenance is needed;

Disclosure of utility model

In order to solve the defects of the prior art, the utility model combines the prior art, and provides the header mechanism of the melon peeling machine from practical application, which has the advantages of reasonable overall design structure, stable operation and good melon and seedling separation effect.

The technical scheme of the utility model is as follows:

The utility model provides a header mechanism of melon machine, includes the header and collects the storehouse, the header includes the header support, beat seedling subassembly, melon ware, pluck melon subassembly and dial seedling subassembly, header support connects in collecting the storehouse front portion, beat seedling subassembly and connect in header support front portion, the melon ware sets up in header support front portion both sides, pluck melon subassembly and install on the header support through plucking melon main shaft, pluck melon subassembly including plucking melon cylinder and a plurality of bundle melon tooth, collect one side that the storehouse bottom is close to plucking melon subassembly and be provided with the flail knife subassembly, the flail knife subassembly includes a plurality of and arranges and rotatable blade along plucking melon main shaft axial direction, can stretch out to pluck melon subassembly below the rear when the blade rotates, set up in plucking seedling subassembly upper portion, set up between plucking seedling subassembly and plucking melon subassembly and set up and put off the melon ware, pluck melon ware and include a plurality of curved tooth that takes off, the melon tooth that pricks can pass through along the clearance between the melon tooth that plucking tooth, plucking the seedling subassembly and when including a plurality of multiunit seedling and setting up the multiunit seedling and plucking seedling in proper order and the multiunit seedling and setting up the conveyer belt and can be rotated to the front the multiunit seedling and plucking seedling.

Further, the seedling pulling shaft is a square shaft, one end of the square shaft is connected with the melon picking main shaft through a chain wheel and a chain, and the melon picking main shaft is connected with the melon picking roller through a bearing.

Further, each group of seedling poking rubber plates comprises two seedling poking rubber plates which are arranged at 180 degrees, and every two adjacent groups of seedling poking rubber plates are arranged at 90 degrees in a staggered way.

Further, the header conveyer belt includes header conveyer belt support body, header conveyer belt, header conveying transmission shaft, and header conveyer belt support body is fixed in the header support, and header conveyer belt is supported by header conveying transmission shaft, can realize seedling grass and carry along plucking melon main shaft axial direction, and header conveying transmission shaft passes through sprocket, chain connection in plucking the melon main shaft.

Further, the flail knife assembly comprises a plurality of flail knife gear boxes which are sequentially and fixedly arranged on a cross beam at the bottom of the collection bin at intervals, a transverse shaft and a vertical shaft are arranged in the flail knife gear boxes, two ends of the transverse shaft extend out from two sides of the flail knife gear boxes, and the vertical shaft extends out from the bottom of the flail knife gear boxes;

the horizontal shafts and the vertical shafts are connected through reversing gears, the horizontal shafts extending out of the adjacent flail knife gear boxes are connected through universal joints, the horizontal shaft of the outermost flail knife gear box is connected with a power input piece, and the vertical shafts extending out of the flail knife gear boxes are provided with the blades.

Further, the power input piece includes the outer sprocket of flail, sprocket in first flail and the sprocket in the second flail, the outer sprocket of flail sets up with the first flail is interior sprocket coaxial, and sprocket in first flail sets up side by side with the sprocket in the second flail, and the outer sprocket of flail is located and collects the storehouse outside and connects in other rotation sprockets through the chain, and sprocket in first flail is located and collects the storehouse inside with sprocket in the second flail, is connected through double chain between sprocket in first flail and the second flail, and sprocket in the second flail is connected on the cross axle of the flail gear box in the outermost side.

Further, the seedling beating assembly comprises a seedling beating main shaft and a plurality of seedling beating throwing belts uniformly distributed along the axial direction and the circumferential direction of the seedling beating main shaft;

The seedling beating main shaft is provided with a plurality of melt-spun nylon sleeves, a connecting part is outwards extended from the melt-spun nylon sleeves, connecting holes are formed in the seedling beating melt-spun and the connecting part, and the seedling beating melt-spun is connected with the melt-spun nylon sleeves through standard parts arranged on the connecting holes.

Furthermore, the front part of the collecting bin is provided with an inclined melon receiving transition rubber plate, and a feeding auger is arranged in the collecting bin.

The utility model has the beneficial effects that:

1. According to the header structure provided by the utility model, melon seedlings are separated through the seedling beating component, the melon separation is realized through the melon separating device, melon picking is realized through the melon picking component, when the picked melon is upwards operated along with the melon picking component, most of seedling grass carried by the melon can be cut off through the plurality of blades of the flail knife component through the positions of the flail knife component, so that the seedling grass is prevented from being conveyed along with the melon, the melon is separated from the melon picking component at the melon removing device position through the flail knife component and enters the rear collecting bin, and part of seedling grass carried by the melon is stirred onto the front conveying belt from the melon removing device position through the seedling stirring component and is conveyed by the conveying belt, so that the effective separation of the melon seedlings is realized, on one hand, the weeding effect is greatly improved, the melon and seedling separating effect is ensured, and on the other hand, and the removed seedling grass can be discharged in real time.

2. According to the header structure provided by the utility model, all the component units are driven by the chain, no additional power source is needed, and only the corresponding power piece is finally connected into the power system of the vehicle by the chain wheel and the chain, so that the header structure is simple in overall structural design and reasonable in layout.

3. The seedling beating assembly adopts the melt-spun that is fixed on the nylon sleeve through the screws, and the end part of the melt-spun is not required to be bent and folded, so that the problem that the melt-spun is easy to break at the bending part is avoided, and the seedling beating assembly has the advantages of higher stability and longer service life.

4. The flail knife assembly provided by the utility model has the advantages that the structural design is simple and reasonable, no additional power result is required to be configured, and the design of a plurality of independent blades is adopted, so that the maintenance is convenient.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a schematic perspective view of the present utility model.

FIG. 3 is a schematic view of the seedling beating assembly of the present utility model.

Fig. 4 is a schematic structural view of the seedling pulling assembly of the present utility model.

Fig. 5 is a schematic view of the structure of the collecting bin.

Fig. 6 is an enlarged view of the structure of the portion a in fig. 5.

Fig. 7 is a schematic diagram of the whole structure of the flail knife.

Fig. 8 is a schematic diagram of the internal structure of the flail gear box.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.

Example 1:

The embodiment provides a header mechanism of melon machine, this header mechanism is mainly installed in the front portion of melon machine for reap, collect the melon. Referring to fig. 1-4, the header mechanism mainly comprises a header and a collecting bin 1, wherein the header comprises a header bracket 6, a seedling beating component 5, a melon dividing device 4, a melon picking component 2, a seedling poking component 7, a header conveying belt 8 and a melon removing device 9, and the collecting bin 1 comprises a flail knife component 3 and a feeding structure.

In the embodiment, the header bracket 6 is arranged at the front part of the collecting bin 1 through an oil cylinder, the seedling beating component 5 is connected to the front part of the header bracket 6, and the seedling beating component 5 is arranged at the forefront end and is mainly used for separating the melon and fruit of the melon from the seedling, grass and the like through the high-speed rotation of the melt-spun belt. Melon dividing devices 4 are arranged on two sides of the front part of the header bracket 6 for dividing. The melon picking assembly 2 is arranged on the header bracket 6 through a melon picking main shaft 21, the melon picking assembly 2 comprises a melon picking roller 22 and a plurality of melon binding teeth 23, the melon picking roller 22 is connected with the melon picking main shaft 21 through bearings, melon binding teeth 23 are uniformly arrayed on the circumferential surface of the melon picking roller 22, and when the melon picking roller 22 rotates, the melon binding teeth 23 are inserted into melons and fruits to harvest the melons and fruits and are upwards conveyed to the position of the melon remover 9 along with the rotation of the melon picking roller 22.

In this embodiment, a flail knife assembly 3 is disposed at one side of the bottom of the collection bin 1 near the melon picking assembly 2, when the melon is picked up along with the melon picking roller 22, part of seedling grass can be carried, and when passing through the position of the flail knife assembly 3, the seedling grass can be cut off by the rotating blade of the flail knife assembly 3, so that most seedling grass is prevented from continuing to move upwards along with the melon, the seedling grass can be conveniently processed by the follow-up seedling picking assembly 7, and the structure of the flail knife assembly 3 is shown in embodiment 2 in detail.

The seedling subassembly 7 of dialling in this embodiment sets up in plucking melon subassembly 2 upper portion, dials seedling subassembly 7 the front portion and sets up header conveyer belt 8, dials and sets up melon ware 9 between seedling subassembly 7 and the melon subassembly 2 of plucking, and melon ware 9 is taken off includes a plurality of curved melon teeth that take off, and the melon tooth 23 that pricks can pass through along the space between the melon tooth that takes off, and the melon 23 that pricks in this way will break away to prick melon tooth 23 through the stopper that takes off the melon tooth when taking off the melon tooth 23, rolls down to collect on the melon transition rubber plate 11 that connects of storehouse 1 front portion, and through connect melon transition rubber plate 11 direction to collect in the storehouse 1, the feeding auger in the rethread collection storehouse 1 will beat the melon and carry further processing backward. At the same time, the seedling grass retained on the melon remover 9 is stirred forward to the header conveyor belt 8 through the seedling stirring assembly 7 and is discharged through the conveyor belt.

In a preferred embodiment provided in this embodiment, the seedling pulling assembly 7 mainly includes a seedling pulling shaft 71 and a plurality of sets of seedling pulling rubber plates 72 sequentially arranged along the seedling pulling shaft 71. The seedling pulling shaft 71 adopts a square shaft structure, one end of the square shaft is connected to the melon picking main shaft 21 through a chain wheel and a chain, the seedling pulling rubber plates 72 rotate along with the power of the melon picking main shaft 21, a plurality of groups of seedling pulling rubber plates 72 are arranged according to the axial length, each group of seedling pulling rubber plates 72 comprises two seedling pulling rubber plates 72 which are arranged at 180 degrees, every two adjacent groups of seedling pulling rubber plates 72 are arranged at 90 degrees in a staggered manner, and when the seedling pulling shaft 71 rotates, the seedling pulling rubber plates 72 are driven to rotate, so that seedling grass on the upper surface of the melon remover 9 is stripped to a front conveying belt. The header conveyer belt 9 mainly comprises a header conveyer belt frame body, a header conveyer belt 91 and a header conveyer transmission shaft, wherein the header conveyer belt frame body is fixed on the header support 6, the header conveyer belt 91 is supported by the header conveyer transmission shaft, seedling grass conveying can be realized along the axial direction of the melon picking main shaft 21, the header conveyer transmission shaft is connected to the melon picking main shaft 21 through a chain wheel and a chain, the header conveyer belt 91 also adopts the power of the melon picking main shaft 21, and seedling grass is discharged in the conveying process of the header conveyer belt 91.

Therefore, the header structure of the embodiment can realize the effective separation of melons and fruits and seedling grass, and can discharge the seedling grass in real time.

As a preferred scheme of the embodiment, the seedling assembly 5 mainly comprises a seedling main shaft 51 and a plurality of seedling throwing belts 53 uniformly distributed along the axial direction and the circumferential direction of the seedling main shaft 51; the seedling throwing belt 53 is connected to the seedling throwing main shaft through the belt throwing nylon sleeve 52, one end of the belt throwing nylon sleeve 52 is connected to the seedling throwing main shaft 51, the other end of the belt throwing nylon sleeve extends outwards to form a connecting part, the end part of the seedling throwing belt 53 is not bent and folded, and the seedling throwing belt 53 is directly fixed on the connecting part through a screw, so that the service life of the seedling throwing belt can be prolonged, and breakage of the seedling throwing belt can be effectively avoided.

Example 2:

The embodiment provides a specific structure of a belt slinger assembly for the embodiment 1, which has the advantages of simple structure and good seedling beating effect.

Referring to fig. 5-8, in the flail knife structure of this embodiment, a plurality of flail knife gear boxes 36 are sequentially and fixedly arranged at intervals along the axis direction of the header on one side of the bottom of the collecting bin, specifically, corresponding connecting lug plates 32 are sequentially arranged on a bottom cross beam at the front end of the collecting bin at intervals, connecting holes are formed at the rear parts of the flail knife gear boxes 36, the plurality of flail knife gear boxes 36 are fixed on the bottom cross beam through the connecting holes, and the structural design of the plurality of flail knife gear boxes 36 is adopted to ensure that seedling and grass in the axis direction behind the header can be cut by blades.

A transverse shaft 37 and a vertical shaft 39 are arranged in the flail knife gear box 36, two ends of the transverse shaft 37 extend out from two sides of the flail knife gear box 36, the vertical shaft 39 extends out from the bottom of the flail knife gear box 36, and corresponding bearing supports are arranged at the positions of the transverse shaft 37 and the vertical shaft 39; the transverse shaft 37 and the vertical shaft 39 are connected through a reversing gear 38. The reversing gear 38 is mainly used for reversing the rotation of the transverse shaft 37 to vertical rotation. The reversing gear 38 is realized by two bevel gears which are arranged inside the flail gear box 36 in a mutually meshed state. The two ends of the transverse shaft 37 extend out of the flail gear box 36 to realize the transmission of power between each other and to connect with an external power piece, and the vertical shaft 39 extends out of the flail gear box 36 to conveniently mount the blade 31.

In this embodiment, the cross shafts 37 extending from each adjacent flail gear box 36 are connected by a universal joint (not shown), the cross shaft 37 of the outermost flail gear box 36 is connected to a power input member, and the blades 31 are disposed on the vertical shafts 39 extending from each flail gear box 36. The universal joint is mainly used for power transmission between shafts, spline grooves are formed in the circumference of a transverse shaft 37 extending out of each flail gear box 36, two ends of the universal joint are connected to the corresponding transverse shafts 37 through spline structures to achieve power transmission of the adjacent flail gear boxes 36, and the universal joint is of a conventional structure and is not shown. The lateral shafts 37 of the flail knife gear boxes 36 at the outermost side are connected with a power piece, and then the lateral shafts 37 of the flail knife gear boxes 36 are sequentially transmitted to the lateral shafts 37 of other flail knife gear boxes 36 through universal joints, the lateral shafts 37 of the flail knife gear boxes 36 drive the vertical shafts 39 to rotate, and then the blades 31 connected with the vertical shafts 39 are driven to rotate, and the outer ends of the blades 31 can extend to the rear of a cutting table when rotating, so that seedling and grass at the rear of the cutting table are cut off.

In order to facilitate the disassembly and assembly operation of the blade 31 and improve the assembly and maintenance efficiency, in this embodiment, a chuck is arranged at the bottom end of the vertical shaft 39 and is connected to the vertical shaft 39 to be capable of rotating synchronously, the chuck comprises an upper clamping plate 310 and a lower clamping plate 311, the blade 1 is clamped between the upper clamping plate 310 and the lower clamping plate 311 through screw fixation, and meanwhile, the blades 31 are arranged in two, and are respectively positioned at two sides of the vertical shaft 39, so that the cutting efficiency and the cutting effect are improved.

The power input piece of this embodiment is mainly used to drive each flail knife structure action, it specifically includes the outer sprocket 35 of flail knife, sprocket 34 in the first flail knife and sprocket 33 in the second flail knife, the outer sprocket 35 of flail knife sets up with the inner sprocket 34 of first flail knife coaxially, the inner sprocket 34 of first flail knife and the inner sprocket 33 of second flail knife set up both side by side and are connected through double chain, the outer sprocket 35 of flail knife is located and gathers the storehouse outside and is connected to other power sprocket through the chain, the inner sprocket 33 of first flail knife and second flail knife are located and collect the storehouse inside. The outer chain wheel 35 of the flail knife is driven to rotate under the action of the external power chain wheel, the outer chain wheel 35 of the flail knife drives the inner chain wheel 34 of the first flail knife to rotate, the inner chain wheel 34 of the first flail knife drives the inner chain wheel 33 of the second flail knife to rotate through double rows of chains, and then the inner chain wheel 33 of the second flail knife drives the transverse shaft 37 of the gear box 36 of the flail knife to rotate, so that the overall structure is good in stability and flexible in movement.

Claims (8)

1. The utility model provides a header mechanism of melon machine, includes the header and collects the storehouse, the header includes the header support, beats seedling subassembly, melon ware, plucks melon subassembly and dials seedling subassembly, header support connects in collecting the storehouse front portion, beat seedling subassembly and connect in header support front portion, the melon ware sets up in header support front portion both sides, pluck melon subassembly and install on the header support through plucking melon main shaft, pluck melon subassembly including plucking melon cylinder and a plurality of bundle melon tooth, its characterized in that, collect one side that the storehouse bottom is close to plucking melon subassembly and be provided with the flail knife subassembly, the flail knife subassembly includes a plurality of and arranges and rotatable blade along plucking melon main shaft axial direction, can stretch out to pluck seedling subassembly below the rear side when the blade rotates, pluck seedling subassembly and set up in header subassembly upper portion, pluck seedling subassembly front portion and set up the header conveyer belt, pluck and set up between the melon subassembly and pluck the melon subassembly and put up the melon ware, pluck the melon ware and include a plurality of curved melon tooth that the melon tooth is able to prick, pluck melon tooth and can be along plucking the clearance between the melon tooth and plucking the tooth and the multiunit seedling subassembly and the conveyer belt can be plucked to the multiunit seedling and the blade is set up in proper order when plucking the multiunit seedling subassembly and the blade is set up.

2. The header mechanism of a melon harvester according to claim 1, wherein the seedling pulling shaft is a square shaft, one end of the square shaft is connected with a melon picking main shaft through a chain wheel and a chain, and the melon picking main shaft is connected with a melon picking roller through a bearing.

3. The header mechanism of a melon seed harvester of claim 2, wherein each group of seedling pulling rubber plates comprises two seedling pulling rubber plates arranged at 180 degrees, and adjacent seedling pulling rubber plates are arranged at 90 degrees in a staggered manner.

4. The header mechanism of a melon peeling machine according to claim 1, wherein the header conveyor belt comprises a header conveyor belt frame, a header conveyor belt and a header conveyor transmission shaft, the header conveyor belt frame is fixed on the header support, the header conveyor belt is supported by the header conveyor transmission shaft, seedling and grass conveyance can be realized along the axial direction of the melon picking main shaft, and the header conveyor transmission shaft is connected to the melon picking main shaft through a sprocket and a chain.

5. The header mechanism of a melon seed harvester according to claim 1, wherein the flail knife assembly comprises a plurality of flail knife gear boxes which are sequentially and fixedly arranged on a cross beam at the bottom of the collection bin at intervals, a transverse shaft and a vertical shaft are arranged in the flail knife gear boxes, two ends of the transverse shaft extend out from two sides of the flail knife gear boxes, and the vertical shaft extends out from the bottom of the flail knife gear boxes;

the horizontal shafts and the vertical shafts are connected through reversing gears, the horizontal shafts extending out of the adjacent flail knife gear boxes are connected through universal joints, the horizontal shaft of the outermost flail knife gear box is connected with a power input piece, and the vertical shafts extending out of the flail knife gear boxes are provided with the blades.

6. The melon seed-metering mechanism of claim 5, wherein the power input member comprises a flail outer sprocket, a first inner flail sprocket and a second inner flail sprocket, the outer flail sprocket is coaxially arranged with the first inner flail sprocket, the first inner flail sprocket is arranged in parallel with the second inner flail sprocket, the outer flail sprocket is positioned outside the collection bin and is connected with other rotating sprockets through a chain, the first inner flail sprocket and the second inner flail sprocket are positioned inside the collection bin, the first inner flail sprocket and the second inner flail sprocket are connected through a double-row chain, and the second inner flail sprocket is connected on a transverse shaft of the outermost flail gearbox.

7. The header mechanism of a melon seed machine according to claim 1, wherein the seedling assembly comprises a seedling main shaft and a plurality of seedling throwing belts uniformly distributed along the axial direction and the circumferential direction of the seedling main shaft;

The seedling beating main shaft is provided with a plurality of melt-spun nylon sleeves, a connecting part is outwards extended from the melt-spun nylon sleeves, connecting holes are formed in the seedling beating melt-spun and the connecting part, and the seedling beating melt-spun is connected with the melt-spun nylon sleeves through standard parts arranged on the connecting holes.

8. The header mechanism of a melon peeling machine according to claim 1, wherein the front part of the collecting bin is provided with an inclined melon receiving transition rubber plate, and a feeding auger is arranged in the collecting bin.