Multi-station screening and lifting belt for peppers

Abstract

The utility model relates to a pepper multi-station screening lifting belt which is characterized in that a bevel gear frame is arranged below the lifting belt and comprises a vertical shaft, an upper bevel gear is arranged at the upper end of the vertical shaft, a lower bevel gear is arranged at the lower end of the vertical shaft, the upper bevel gear is matched with an upper flat shaft bevel gear, and the lower bevel gear is matched with a lower flat shaft bevel gear; the vertical shaft is rotationally connected with the supporting plate and the swing plate. The upper flat shaft is installed on the swing plate, hinged to a rack of the lifting belt and in transmission with a transmission wheel of the lifting belt. The lower flat shaft is mounted below the supporting plate and is in transmission with an output shaft of the power machine; during working, the power machine drives the lower flat shaft and the lower flat shaft bevel gear, and drives the lifting belt to work through the lower bevel gear, the upper bevel gear, the upper flat shaft bevel gear and the upper flat shaft. The device has the beneficial effects that the angle of the lifting belt can be changed by twisting and pushing the rack of the lifting belt, the putting position of the dried red peppers is changed, and the problem that a machine body is heavy and inconvenient to shift is solved. And the pepper screening device has the characteristics of simple structure, low cost, convenience in use and the like, and is expected to become preferred equipment for pepper screening.

Description

Technical Field

[0001] The utility model relates to an agricultural machine, namely a multi-station screening and lifting belt for peppers. Background Art

[0002] Chili peppers are an important seasoning and industrial raw material, especially red dried chilies. Their high quality garners significant market demand, and the cultivated area has been increasing year by year, leading to the emergence of numerous large-scale production sites. The red dried chili pepper production base in Kailu County, Inner Mongolia Autonomous Region, boasts over one million mu (approximately 1,000 hectares) of cultivated land. High yields and excellent quality are highly sought after by both domestic and international markets. Due to the large scale of cultivation, manual labor is no longer sufficient, and the labor-intensive harvesting process, in particular, has been mechanized. Chili pepper harvesting machinery primarily involves sorting machines. These machines crush the harvested, air-dried chili plants and sieve the berries onto a conveyor belt, which then transfers them to an elevator. The elevator then lifts the peppers to a higher level for delivery to vehicles, warehouses, or other locations. Existing chili pepper sorting machines have both the conveyor and elevator belts rigidly connected by a frame, which allows them to deliver the dried chilies in only one direction. Changing the delivery location requires moving the entire machine, which is inconvenient due to its bulk. Therefore, a design was developed that would allow the elevator belt to swing relative to the conveyor belt to increase the number of feeding stations. However, if the lifting belt and the horizontal conveyor belt are separated, many structures need to be changed, and a set of power equipment needs to be added, which greatly increases the cost of the equipment. Therefore, the improvement is very difficult, and no improved equipment has appeared so far. Summary of the Invention

[0003] The purpose of the utility model is to provide a multi-station screening feeding belt for peppers, which can swing relative to the flat feeding belt, and the discharge position of the upper end of the lifting belt increases with the swinging without adding power equipment, has a simple structure, low cost and is easy to operate.

[0004] The above-mentioned purpose is achieved by the following technical solutions: providing a multi-station screening and lifting belt for peppers, the lifting belt being installed at the end of the horizontal conveyor belt, and its characteristics are: a set of bevel gear racks is provided under the lifting belt, the bevel gear rack includes a vertical shaft, an upper bevel gear is provided at the upper end of the vertical shaft, and a lower bevel gear is provided at the lower end of the vertical shaft; the upper bevel gear cooperates with the upper flat shaft bevel gear, and the lower bevel gear cooperates with the lower flat shaft bevel gear; the middle part of the vertical shaft passes through two layers of flat plates, wherein the lower flat plate is a support plate fixedly connected to the horizontal conveyor belt frame, and the upper flat plate is a swing plate in contact with the support plate plane, and the vertical shaft is rotatably connected to the support plate and the swing plate through a shaft sleeve respectively; the upper flat shaft bevel gear It is solidly connected to the middle part of the upper flat shaft, and both ends of the upper flat shaft are respectively installed on the swing plate below through shaft seats. The two ends of the upper flat shaft are hinged to the lower end of the frame of the lifting belt through shaft seats, and one end of the upper flat shaft is driven by the rotating shaft of the lifting belt; the lower flat shaft is installed under the supporting plate through the shaft seat, the lower flat shaft bevel gear is installed at the inner end of the lower flat shaft, and the outer end of the lower flat shaft is driven by the output wheel of the power machine; when lifting materials, the power machine drives the lower flat shaft and the lower flat shaft bevel gear, and then drives the lifting belt drive wheel to rotate through the lower bevel gear, the upper bevel gear, and the upper flat shaft bevel gear; when the lifting belt needs to swing, the frame of the lifting belt is twisted and pushed to make the upper flat shaft together with the swing plate and the lifting belt swing.

[0005] The lower end of the lifting belt is provided with an arc-shaped enclosure plate.

[0006] The power machine is driven by the rotating shaft of the flat conveyor belt through another transmission wheel.

[0007] A bracket is provided below the lifting belt.

[0008] A screen is provided on the bottom plate of the lifting belt.

[0009] The screen of the lifting belt has two layers, a front layer and a back layer, a protective cover is arranged between the two layers, and the protective cover is in an arc shape with a high middle and low two ends, and the two ends extend to both sides of the lifting belt respectively.

[0010] A screen is provided on the baffle of the lifting belt.

[0011] A flat sorting screen is provided above the flat conveyor belt. A plurality of cylindrical rollers are installed horizontally on the screen surface of the sorting screen. A plurality of annular ring pieces are installed on the outside of each roller. The ring pieces on two adjacent rollers are staggered with each other, and the ring pieces of one roller are inserted between the ring pieces of adjacent rollers.

[0012] The beneficial effects of this utility model include the addition of a bevel gear rack, while the horizontal conveyor and the lifting belt remain driven by the same power unit, but with the added swing function of the lifting belt. Changing the swing angle of the lifting belt can change the placement of the red dried peppers, thus avoiding the drawbacks of the machine being bulky and difficult to move. Furthermore, with its simple structure, low cost, and ease of use, this device is expected to become the preferred equipment for pepper screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view of the first embodiment;

[0014] Figure 2 It is a left side view of the first embodiment;

[0015] Figure 3 is a rear view of the first embodiment;

[0016] Figure 4 This is a front view of the bevel gear rack assembly of the first embodiment;

[0017] Figure 5 is a top view of a bevel gear carrier component of the first embodiment in one state;

[0018] Figure 6 is a top view of the bevel gear carrier component of the first embodiment in another state;

[0019] Figure 7 This is a schematic top view of the entire machine in one state of the first embodiment;

[0020] Figure 8 This is a simplified top view of the entire machine of the first embodiment in another state;

[0021] Figure 9 is a front view of a component lifting belt of the second embodiment;

[0022] Figure 10 is a left side view of the component lifting belt of the second embodiment;

[0023] Figure 11 This is a front view of the flat conveyor belt and roller screen of the third embodiment;

[0024] Figure 12 1. It is a top view of a roller screen of a flat belt conveyor according to a third embodiment;

[0025] Figure 13 is a front view of the assembly of the roller components of the third embodiment;

[0026] Figure 14 It is a left side view of the component roller assembly of the third embodiment.

[0027] As can be seen in the figure: flat conveyor 1, lifting belt 2, bracket 3, bevel gear frame 4, upper flat shaft 5, upper bevel gear 6, upper flat shaft bevel gear 7, vertical shaft 8, lower flat shaft 9, lower flat shaft bevel gear 10, lower bevel gear 11, support plate 12, swing plate 13, crossbeam 14, shaft seat 15, enclosure 16, bottom plate 17, baffle 18, screen 19, reinforcement belt 20, bracket 21, protective cover 22, sorting screen 23, roller shaft 24, and ring sheet 25. DETAILED DESCRIPTION

[0028] The general concept of this utility model is that the lifting belt of the pepper harvester can swing, so that the material placement position can be changed without moving the entire machine. The following three embodiments are provided based on this concept:

[0029] First embodiment: Figure 1 、 Figure 2 、 Figure 3 This paper describes a multi-station chili pepper screening and elevating belt. This elevating belt 2 is mounted at the end of a horizontal conveyor belt 1. A chili pepper crushing mechanism is located in front of the horizontal conveyor belt. Because this mechanism is conventional, it is not shown in the diagram. A horizontal conveyor belt is a flat conveyor belt, a common structure; only a simplified diagram is shown. The elevating belt, also a conveyor belt, extends diagonally upward through the frame. Chili peppers delivered from the horizontal conveyor belt land on the lower end of the elevating belt, where they are lifted upward by a baffle and then delivered to a vehicle or other storage location. The existing elevating belt and horizontal conveyor belt are rigidly connected and driven by a single power unit, making it impossible to change the direction of the elevating belt independently. To change the feeding position, the entire machine must be moved, regardless of the distance. The chili pepper screening machine is relatively large, making it difficult to move once. Therefore, the elevating belt structure was modified to allow it to swing. The main improvement involves adding a bevel gear rack 4 below the elevating belt 2. This mechanism allows the elevating belt to swing and shares a power unit with the horizontal conveyor belt.

[0030] Combine Figure 4 、 Figure 5 、 Figure 7 As can be seen, the bevel gear rack includes a vertical shaft 8. The upper end of the vertical shaft is the upward-facing upper bevel gear 6, and the lower end of the vertical shaft is the downward-facing lower bevel gear 11. The upper bevel gear mates with the upper horizontal shaft bevel gear 7, and the lower bevel gear mates with the lower horizontal shaft bevel gear 10. The middle of the vertical shaft passes through two flat plates. The lower plate is a support plate 12, which is fixedly connected to the horizontal belt frame's crossbeam 14. The upper plate is a swing plate 13, which is in flat contact with the support plate. The vertical shaft is rotatably connected to the support plate and the swing plate via bushings. The upper horizontal shaft bevel gear 7 is fixedly connected to the middle of the upper horizontal shaft 5, and its ends are mounted on the swing plate via shaft seats 15. The ends of the upper horizontal shaft are hingedly connected to the lower end of the hoisting belt frame via shaft seats. One end of the upper horizontal shaft drives the hoisting belt's drive pulley. The lower flat shaft 9 is installed under the support plate 12 through the shaft seat, the lower flat shaft bevel gear 10 is installed on the inner end of the lower flat shaft 9, and the outer end of the lower flat shaft is driven by the output shaft of the power machine.

[0031] When lifting materials, the power machine drives the lower flat shaft to rotate, and then drives the lifting belt rotating shaft to rotate through the lower flat shaft bevel gear - lower bevel gear - upper bevel gear - upper flat shaft bevel gear - upper flat shaft.

[0032] Combine Figure 6 、 Figure 8It can be seen that when the position for placing peppers needs to be changed, the upper horizontal shaft and the swing plate can be swung together by twisting the frame of the lifting belt manually, the lifting belt will change its angle, and the upper end position will change accordingly.

[0033] As can be seen in the figure, at the lower end of the lifting belt 2, facing the side of the horizontal conveyor, there is an arc-shaped enclosure 16. When the lifting belt swings, the enclosure rotates with it, but it is always below the horizontal conveyor, which can ensure that the peppers passed by the horizontal conveyor fall on the lifting belt.

[0034] Combine Figure 1 —— Figure 8 As can be seen, the power output shaft of the power machine has two transmission paths: one is connected to the lower horizontal shaft, driving the lifting belt through the bevel gear rack. The other is connected to the drive pulley of the horizontal conveyor belt, driving the horizontal conveyor belt. This way, without the need for additional power mechanisms, both the horizontal conveyor belt and the lifting belt can be driven. At the same time, the lifting belt can also be rotated.

[0035] As can be seen in the figure, a bracket 3 is provided below the lifting belt. The upper end of the bracket abuts against the lower part of the lifting belt frame, and the lower end contacts the ground through the ground wheel. The bracket supports the weight of the lifting belt, enhancing the working stability, and can also move with the swing of the lifting belt.

[0036] The second embodiment: Figure 9 、 Figure 10 Shown, the base plate 17 of the lifting belt 2 is provided with a screen 19. The screen can be woven from flexible filaments. In order to increase the intensity of the lifting belt, several higher intensity reinforcing bands 20 can be set on the base plate.

[0037] Furthermore, a screen 19 is provided on the baffle 18 of the lifting belt 2 .

[0038] A screen is provided on the bottom plate and / or baffle of the lifting belt, which can screen out small impurities other than peppers when the material is lifted, thereby further improving the cleaning rate of the peppers.

[0039] Furthermore, the lifting belt 2 is a circulating belt, and the bottom plate 17 and the screen 19 both have two layers, front and back. Impurities screened out by the front screen will fall on the back screen. Most of the impurities will fall out of the back screen, but a small amount of impurities will slide onto the transmission wheel below. If they accumulate too much, they will damage the transmission of the transmission wheel. For this reason, at least one protective cover 22 is added between the front and back layers of screen. As shown in the figure, this protective cover is in the shape of an arc with a high middle and low ends, which is also an arch. The two ends of the protective cover extend to both sides of the lifting belt respectively. Impurities fall onto the protective cover and slide to the two ends of the protective cover due to the action of gravity. As can be seen in the figure, there is a gap between the brackets 21 on both sides of the lifting belt and the lifting belt, and impurities can flow out from this gap.

[0040] The third embodiment: a flat sorting screen 23 is provided above the flat conveyor belt 1. The previous sorting screen was cylindrical, and the cylinder wall was surrounded by a number of thin rods. The crushed plants will be screened out from the gaps in the thin rods. After drying and dehydration, the pepper fruits have increased toughness and are not easy to break. They are large in size and will not leak out but will flow out of the cylinder. However, some larger stems and leaves will remain in the materials sorted by this cylindrical sorting screen, which requires manual sorting by humans in subsequent processes. Manual sorting requires the separation of stacked materials, which is cumbersome. It is also easy to delay time, and the stacked materials are prone to deterioration. In addition, the body of this cylindrical sorting screen is tall, and the connection with the swingable lifting belt is relatively complicated. There are many larger impurities in the material, which cannot be screened out on the lifting belt. For this reason, this example changes the structure of the sorting screen and adopts a flat sorting screen. As Figure 11 、 Figure 12 As shown, the screen surface of the sorting screen is equipped with multiple cylindrical rollers 24 in the horizontal direction. Figure 13 、 Figure 14 As can be seen, each roller is fitted with multiple annular ring segments 25. The segments on adjacent rollers are staggered, with the segments on one roller inserted between the segments on the adjacent rollers. During operation, the rollers rotate, pushing the material backward. The peppers are then sifted through the gaps and fall onto the horizontal conveyor below. From there, they are transported to an elevator belt, which then delivers them to a vehicle or storage area.

[0041] Compared to the previously used cylindrical sorting screens, this flat-surface screening system offers a simpler structure, superior screening performance, and a simpler connection to the elevator belt. In particular, the platform-shaped screen surface provides a clear view of the material on the surface, and personnel can stand on both sides, allowing for sorting of fruit and straw, removing larger debris in one go. Fine impurities are then removed by the elevator belt's screen mesh for a secondary cleanup, significantly improving screening quality and enabling direct bagging, saving significant labor and costs.

Claims

1. A multi-station screening and lifting belt for peppers, wherein the lifting belt (2) is installed at the end of a horizontal conveying belt (1), and is characterized in that: a set of bevel gear racks (4) is provided below the lifting belt (2), and the bevel gear rack includes a vertical shaft (8), an upper bevel gear (6) is provided at the upper end of the vertical shaft, and a lower bevel gear (11) is provided at the lower end of the vertical shaft; the upper bevel gear is matched with the upper horizontal shaft bevel gear (7), and the lower bevel gear is matched with the lower horizontal shaft bevel gear (10); the middle part of the vertical shaft passes through two layers of flat plates, wherein the lower flat plate is a support plate (12) fixedly connected to the frame of the horizontal conveying belt (1), and the upper flat plate is a swing plate (13) in contact with the plane of the support plate, and the vertical shaft is rotatably connected to the support plate and the swing plate through a shaft sleeve respectively; the upper horizontal shaft bevel gear is connected to the upper horizontal shaft bevel gear The middle parts of the flat shaft (5) are fixedly connected, and the two ends of the upper flat shaft are respectively installed on the lower swing plate (13) through the shaft seat (15), and the two ends of the upper flat shaft are hinged to the lower end of the frame of the lifting belt through the shaft seat, and one end of the upper flat shaft is driven by the rotating shaft of the lifting belt; the lower flat shaft (9) is installed under the supporting plate through the shaft seat, and the lower flat shaft bevel gear (10) is installed on the inner end of the lower flat shaft, and the outer end of the lower flat shaft is driven by the output wheel of the power machine; when lifting materials, the power machine drives the lower flat shaft and the lower flat shaft bevel gear, and then drives the lifting belt drive wheel to rotate through the lower bevel gear, the upper bevel gear, and the upper flat shaft bevel gear; when the lifting belt needs to swing, the frame of the lifting belt is twisted and pushed, so that the upper flat shaft (5) together with the swing plate (13) and the lifting belt (2) can be swung.

2. The multi-station screening and lifting belt for peppers according to claim 1 is characterized in that: The lower end of the lifting belt (2) is provided with an arc-shaped enclosure plate (16).

3. The multi-station screening and lifting belt for peppers according to claim 1 is characterized in that: The power machine is driven by the rotating shaft of the flat conveyor belt (1) through another transmission wheel.

4. The multi-station screening and lifting belt for peppers according to claim 1 is characterized in that: A bracket (3) is provided below the lifting belt (2).

5. The multi-station screening and lifting belt for peppers according to claim 1 is characterized in that: A screen (19) is provided on the bottom plate (17) of the lifting belt (2).

6. The multi-station screening and lifting belt for peppers according to claim 5, characterized in that: The screen (19) of the lifting belt (2) has two layers, front and back, with a protective cover (22) provided between the two layers. The protective cover (22) is in an arc shape with a high middle and low ends, and the ends extend to both sides of the lifting belt respectively.

7. The multi-station screening and lifting belt for peppers according to claim 1 is characterized by: A screen (19) is provided on the baffle (18) of the lifting belt (2).

8. The multi-station screening and lifting belt for peppers according to claim 1 is characterized in that: A flat sorting screen (23) is provided above the flat conveyor belt (1). A plurality of cylindrical rollers (24) are installed transversely on the screen surface of the sorting screen (23). A plurality of annular ring pieces (25) are installed on the outside of each roller. The ring pieces on two adjacent rollers are staggered with each other, and each ring piece of one roller is inserted between the ring pieces of the adjacent rollers.

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