Potato harvesting and screening all-in-one machine

Abstract

The utility model provides a potato harvesting and screening all-in-one machine which comprises a machine frame, a digging shovel is fixedly installed at the front end of the machine frame, a driving shaft and a driven shaft are rotatably installed on the machine frame and are in transmission connection through a conveying chain, a first conveying shaft is rotatably installed in the machine frame, a first conveying roller is fixedly installed on the first conveying shaft, and a second conveying roller is fixedly installed on the second conveying shaft. A separating roller is rotationally connected into the rack, an outlet is formed in the rear end of the rack, and a collecting bin is arranged in the rack. According to the potato harvester, potatoes are dug through the digging shovel, the potatoes are conveyed to the collecting bin through the conveying chain and the first conveying roller, the potatoes and potato seedling leaves are separated through the separating roller in the conveying process, and the potato seedling leaves fall onto the inclined plate and slide out of the rack along the inclined plate; the rotatable second conveying rollers are arranged between the first conveying rollers, so that the bearing pressure of the first conveying rollers is reduced, the power consumption of the driving motor is reduced, the structure is simple, energy is saved, and the environment is protected.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery, and in particular relates to an integrated potato harvesting and screening machine. Background Art

[0002] Potato is a perennial herbaceous plant of the Solanaceae family. Its tubers are edible and it is the fourth most important food crop in the world, second only to wheat, rice and corn. Potato vines and leaves also have application value and can be processed as feed.

[0003] At present, potatoes are generally harvested by potato harvesters, and then the potato vines and potatoes are manually screened, which is labor-intensive and has high work intensity. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a potato harvesting and screening all-in-one machine in view of the deficiencies of the above-mentioned prior art. The all-in-one machine has a simple structure, is easy to use, has good use effect, and can be popularized and applied.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a potato harvesting and screening machine, characterized in that it includes a frame, a digging shovel is fixedly installed at the front end of the bottom of the frame, a driving shaft and a driven shaft are rotatably installed on the frame, the driving shaft is located obliquely above the driven shaft, and the driven shaft is located on the rear side of the digging shovel, a driving roller is fixedly installed on the driving shaft, and a driven roller is fixedly installed on the driven shaft, the driving roller and the driven roller are connected by a conveyor chain transmission, and an opening for discharging soil and debris is provided on the frame below the conveyor chain.

[0006] The digging shovel is inserted into the soil, and the potatoes in the soil are turned onto the ground and enter the conveyor chain along the digging shovel. The potatoes are transported to the oblique rear of the frame through the conveyor chain. As the conveyor chain rotates, part of the soil on the potatoes falls from the gap of the conveyor chain, leaving the potatoes and potato vines.

[0007] A plurality of first conveying shafts are horizontally and rotatably installed in the frame, a first conveying roller is fixedly installed on the first conveying shaft, an opening for discharging soil and debris is provided on the frame below the conveying chain, a mounting shaft is rotatably installed in the frame, a separating roller is fixedly installed on the mounting shaft, the separating roller is located above the first conveying shaft, separating teeth are evenly and fixedly installed on the outer wall of the separating roller, potatoes and potato vines are separated by the separating teeth, an outlet is provided at the rear end of the frame, an inclined plate is fixedly installed on the outlet, and a collecting bin is provided in the frame below the inclined plate.

[0008] The potatoes and potato vines on the conveyor chain fall from the conveyor chain onto the first conveyor roller, and are conveyed to the rear of the frame as the first conveyor roller rotates. During the conveying process, the potato vines are picked up by the separation roller above the first conveyor roller, and the potatoes continue to remain on the first conveyor roller until they naturally fall into the collection bin. As the first conveyor roller rotates, the potato vines are moved above the first conveyor roller, and the first conveyor roller continues to rotate, while the potato vines fall off the separation teeth under the action of gravity, fall onto the inclined plate, and are discharged out of the frame along the inclined plate.

[0009] Preferably, a driving motor is fixedly mounted on the top of the frame, a first pulley and a second pulley are fixedly mounted on the output shaft of the driving motor, another first pulley is fixedly mounted on the driving shaft, the two first pulleys are connected by a first belt transmission, another second pulley is fixedly mounted on the mounting shaft, and the two second pulleys are connected by a second belt transmission. The driving motor drives the conveying chain and the separation roller to rotate.

[0010] Preferably, a third pulley is fixedly mounted on the mounting shaft, another third pulley is fixedly mounted on one of the first conveying shafts, and the two third pulleys are connected by a third belt transmission. A fourth pulley is fixedly mounted on the first conveying shaft, and a plurality of fourth pulleys are connected by a fourth belt transmission. The mounting shaft can drive one of the first conveying shafts, and under the action of the fourth belt, a plurality of first conveying rollers rotate to convey potatoes and potato vines, and soil on the potatoes can fall from the gaps between the first conveying rollers.

[0011] Preferably, a plurality of second conveying shafts are rotatably mounted in the frame, the second conveying shafts are arranged between the first conveying shafts, second conveying rollers are fixedly mounted on the second conveying shafts, the second conveying rollers have the same specifications as the first conveying rollers, and there is a gap between the second conveying rollers and the first conveying rollers for allowing soil and debris to fall. By providing the second conveying shafts and the second conveying rollers, the bearing pressure of the first conveying rollers can be reduced, and the power consumption of the driving motor can be reduced.

[0012] Preferably, protrusions are evenly arranged on the outer wall of the first conveying roller to increase the side stand and facilitate the shedding of soil on the surface of the potatoes.

[0013] Preferably, a connecting plate for connecting to a tractor is fixedly mounted on the front end of the frame, and two sets of running wheels are arranged on both sides of the bottom end of the frame. The device is moved by the tractor to perform harvesting and screening operations.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model digs potatoes by a digging shovel, and conveys the potatoes to a collecting bin by a conveying chain and a first conveying roller. During the conveying process, the potatoes and potato vines are separated by a separating roller, and the potato vines fall onto an inclined plate and slide along the inclined plate to the outside of a frame. A rotatable second conveying roller is arranged between the first conveying rollers, which reduces the bearing pressure of the first conveying rollers and reduces the power consumption of a driving motor. The utility model has a simple structure and is energy-saving and environmentally friendly.

[0016] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a transmission structure schematic diagram of the driving motor in the utility model.

[0019] Figure 3 It is a schematic diagram of the transmission structure of the first conveying shaft in the utility model.

[0020] Description of reference numerals:

[0021] 1—frame; 2—excavator shovel; 3—driving shaft;

[0022] 301—active roller; 4—driven shaft; 401—driven roller;

[0023] 5—conveying chain; 6—first conveying shaft; 601—first conveying roller;

[0024] 602—the fourth belt; 7—the second conveying shaft; 701—the second conveying roller;

[0025] 8—installation shaft; 801—separation roller; 802—separation tooth;

[0026] 803—third belt; 9—exit; 10—inclined plate;

[0027] 11—collection bin; 12—driving motor; 1201—first belt;

[0028] 1202—Second belt. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0031] like Figures 1 to 3 As shown, the utility model provides a potato harvesting and screening machine, including a frame 1, a digging shovel 2 is fixedly installed at the front end of the bottom of the frame 1, a driving shaft 3 and a driven shaft 4 are rotatably installed on the frame 1, the driving shaft 3 is located obliquely above the driven shaft 4, and the driven shaft 4 is located on the rear side of the digging shovel 2, a driving roller 301 is fixedly installed on the driving shaft 3, and a driven roller 401 is fixedly installed on the driven shaft 4, the driving roller 301 and the driven roller 401 are connected by transmission through a conveyor chain 5, and an opening for discharging soil and debris is provided on the frame 1 below the conveyor chain 5.

[0032] The digging shovel 2 is inserted into the soil, and the potatoes in the soil are turned onto the ground and enter the conveying chain 5 along the digging shovel 2. The potatoes are conveyed to the oblique rear of the frame 1 through the conveying chain 5. As the conveying chain 5 rotates, part of the soil on the potatoes falls from the gap of the conveying chain 5, leaving the potatoes and potato vine leaves.

[0033] A plurality of first conveying shafts 6 are horizontally and rotatably installed in the frame 1, a first conveying roller 601 is fixedly installed on the first conveying shaft 6, an opening for discharging soil and debris is provided on the frame 1 below the conveying chain 5, a mounting shaft 8 is rotatably installed in the frame 1, a separation roller 801 is fixedly installed on the mounting shaft 8, the separation roller 801 is located above the first conveying shaft 6, separation teeth 802 are evenly and fixedly installed on the outer wall of the separation roller 801, potatoes and potato vines are separated by the separation teeth 802, an outlet 9 is provided at the rear end of the frame 1, an inclined plate 10 is fixedly installed on the outlet 9, and a collecting bin 11 is provided below the inclined plate 10 in the frame 1.

[0034] The potatoes and potato vines on the conveyor chain 5 fall from the conveyor chain 5 onto the first conveyor roller 601, and are conveyed to the rear of the frame 1 as the first conveyor roller 601 rotates. During the conveying process, the potato vines are picked up by the separation roller 801 above the first conveyor roller 601, and the potatoes continue to remain on the first conveyor roller 601 until they naturally fall into the collection bin 11. As the first conveyor roller 601 rotates, the potato vines are moved above the first conveyor roller 601, and the first conveyor roller 601 continues to rotate, while the potato vines fall off the separation teeth 802 under the action of gravity, fall onto the inclined plate 10, and are discharged out of the frame 1 along the inclined plate 10.

[0035] In this embodiment, a driving motor 12 is fixedly mounted on the top of the frame 1, a first pulley and a second pulley are fixedly mounted on the output shaft of the driving motor 12, another first pulley is fixedly mounted on the driving shaft 3, the two first pulleys are connected by a first belt 1201, another second pulley is fixedly mounted on the mounting shaft 8, and the two second pulleys are connected by a second belt 1202. The driving motor 12 drives the conveying chain 5 and the separation roller 801 to rotate.

[0036] In this embodiment, a third pulley is fixedly mounted on the mounting shaft 8, another third pulley is fixedly mounted on one of the first conveying shafts 6, and the two third pulleys are connected by a third belt 803. A fourth pulley is fixedly mounted on the first conveying shaft 6, and a plurality of the fourth pulleys are connected by a fourth belt 602. The mounting shaft 8 can drive one of the first conveying shafts 6, and under the action of the fourth belt 602, a plurality of first conveying rollers 601 rotate to convey potatoes and potato vines, and the soil on the potatoes can fall from the gaps between the first conveying rollers 601.

[0037] In this embodiment, a plurality of second conveying shafts 7 are rotatably mounted in the frame 1, the second conveying shafts 7 are arranged between the first conveying shafts 6, a second conveying roller 701 is fixedly mounted on the second conveying shaft 7, the second conveying roller 701 has the same specifications as the first conveying roller 601, and there is a gap between the second conveying roller 701 and the first conveying roller 601 for allowing soil and debris to fall. By providing the second conveying shaft 7 and the second conveying roller 701, the bearing pressure of the first conveying roller 601 can be reduced, and the power consumption of the driving motor 12 can be reduced.

[0038] In this embodiment, protrusions are evenly arranged on the outer wall of the first conveying roller 601 to increase the side stand and facilitate the removal of soil on the surface of the potatoes.

[0039] In this embodiment, a connecting plate for connecting to a tractor is fixedly installed on the front end of the frame 1, and two sets of walking wheels are arranged on both sides of the bottom end of the frame 1. The device is moved by the tractor to perform harvesting and screening operations.

[0040] When in use, the tractor is connected via the connecting plate at the front end of the frame 1, and the device is driven by the tractor to move to perform harvesting and screening operations, and the digging shovel 2 at the front end of the frame 1 is inserted into the soil.

[0041] Start the drive motor 12, and the drive motor 12 drives the active shaft 3 and the mounting shaft 8 to rotate, the conveying chain 5 on the active shaft 3 and the separation roller 801 on the mounting shaft 8 rotate, the mounting shaft 8 drives one of the first conveying shafts 6, and under the action of the fourth belt 602, the first conveying shaft 6 drives the other first conveying shafts 6 to rotate, and the first conveying roller 601 on the first conveying shaft 6 rotates.

[0042] As the tractor moves, the potatoes in the soil are turned onto the ground and enter the conveyor chain 5 along the digging shovel 2 , and the potatoes are transported to the oblique rear of the frame 1 through the conveyor chain 5 .

[0043] When the potatoes reach the highest point of the conveyor chain 5, under the action of gravity, the potatoes and potato vines on the conveyor chain 5 fall from the conveyor chain 5 to the first conveyor roller 601 and the second conveyor roller 701. As the first conveyor roller 601 rotates, the potatoes and potato vines are conveyed to the rear of the frame 1.

[0044] During the conveying process, the dirt on the potatoes is peeled off by the protrusions on the first conveying roller 601 and falls from the gap between the second conveying roller 701 and the first conveying roller 601 .

[0045] During the conveying process, the potato vines and leaves are picked up by the separation roller 801 above the first conveying roller 601 , and the potatoes continue to remain on the first conveying roller 601 until they naturally fall into the collecting bin 11 .

[0046] As the first conveying roller 601 rotates, the potato vines are moved above the first conveying roller 601 . The first conveying roller 601 continues to rotate, and the potato vines fall off the separation teeth 802 under the action of gravity, fall onto the inclined plate 10 , and slide along the inclined plate 10 to the outside of the frame 1 .

[0047] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any way. Any simple modification, change and equivalent change made to the above embodiment according to the essence of the utility model technology still falls within the protection scope of the technical solution of the utility model.

Claims

1. A potato harvesting and screening machine, It is characterized in that The invention comprises a frame (1), a digging shovel (2) is fixedly mounted on the front end of the bottom of the frame (1), a driving shaft (3) and a driven shaft (4) are rotatably mounted on the frame (1), the driving shaft (3) is located obliquely above the driven shaft (4), the driven shaft (4) is located at the rear side of the digging shovel (2), a driving roller (301) is fixedly mounted on the driving shaft (3), a driven roller (401) is fixedly mounted on the driven shaft (4), and the driving roller (301) and the driven roller (401) are connected by transmission via a conveying chain (5); A plurality of first conveying shafts (6) are rotatably mounted in the frame (1), a first conveying roller (601) is fixedly mounted on the first conveying shaft (6), a mounting shaft (8) is rotatably mounted in the frame (1), a separation roller (801) is fixedly mounted on the mounting shaft (8), the separation roller (801) is located above the first conveying shaft (6), separation teeth (802) are evenly fixedly mounted on the outer wall of the separation roller (801), an outlet (9) is provided at the rear end of the frame (1), an inclined plate (10) is fixedly mounted on the outlet (9), and a collection bin (11) is provided in the frame (1) below the inclined plate (10).

2. A potato harvesting and screening machine according to claim 1, It is characterized in that A driving motor (12) is fixedly mounted on the top of the frame (1); a first pulley and a second pulley are fixedly mounted on the output shaft of the driving motor (12); another first pulley is fixedly mounted on the driving shaft (3); the two first pulleys are connected by a first belt (1201); another second pulley is fixedly mounted on the mounting shaft (8); the two second pulleys are connected by a second belt (1202).

3. A potato harvesting and screening machine according to claim 2, It is characterized in that A third belt pulley is fixedly mounted on the mounting shaft (8), another third belt pulley is fixedly mounted on one of the first conveying shafts (6), and the two third belt pulleys are connected in transmission via a third belt (803).

4. A potato harvesting and screening machine according to claim 3, It is characterized in that A fourth pulley is fixedly mounted on the first conveying shaft (6), and a plurality of the fourth pulleys are connected in transmission via a fourth belt (602).

5. A potato harvesting and screening machine according to claim 4, It is characterized in that A plurality of second conveying shafts (7) are rotatably mounted in the frame (1); the second conveying shafts (7) are arranged between the first conveying shafts (6); second conveying rollers (701) are fixedly mounted on the second conveying shafts (7); and the second conveying rollers (701) have the same specifications as the first conveying rollers (601).

6. The potato harvesting and screening machine according to claim 1, It is characterized in that The outer wall of the first conveying roller (601) is evenly provided with protrusions.

7. The potato harvesting and screening machine according to claim 1, It is characterized in that A connecting plate for connecting to a tractor is fixedly mounted on the front end of the frame (1), and two sets of running wheels are arranged on both sides of the bottom end of the frame (1).

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